107 results on '"broca del café"'
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2. Revisión sobre la broca del café, Hypothenemus hampei (Coleoptera: Curculionidae: Scolytinae) con énfasis en la resistencia mediante antibiosis y antixenosis.
- Author
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MOLINA, DIANA
- Subjects
INTEGRATED pest control ,INSECT growth ,COFFEE ,CROP losses ,PEST control ,COFFEE plantations - Abstract
Copyright of Revista Colombiana de Entomología is the property of Universidad del Valle and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2022
- Full Text
- View/download PDF
3. Efecto de la altitud y del sombrío del café sobre la infestación por Hypothenemus hampei (Coleoptera: Curculionidae: Scolytinae) en Nariño, Colombia.
- Author
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Bacca, Tito, Gualmatan, Wilmer Libey Delgado, Burbano, Tulio Cesar Lagos, and Gutiérrez, Yeisson
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COFFEE plantations ,PEST control ,METEOROLOGICAL stations ,COFFEE growing ,SEA level ,COFFEE beans ,AGRICULTURAL pests - Abstract
Copyright of Boletín Científico Centro de Museos de Historia Natural is the property of Universidad de Caldas and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2021
- Full Text
- View/download PDF
4. Cultivation and Genome Sequencing of Bacteria Isolated From the Coffee Berry Borer (Hypothenemus hampei), With Emphasis on the Role of Caffeine Degradation
- Author
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Fernando E. Vega, Sarah Emche, Jonathan Shao, Ann Simpkins, Ryan M. Summers, Meredith B. Mock, Dieter Ebert, Francisco Infante, Sayaka Aoki, and Jude E. Maul
- Subjects
bark beetle ,broca del café ,Coffea ,Coleoptera (beetles) ,symbiosis ,symbiotes ,Microbiology ,QR1-502 - Abstract
The coffee berry borer, the most economically important insect pest of coffee worldwide, is the only insect capable of feeding and reproducing solely on the coffee seed, a food source containing the purine alkaloid caffeine. Twenty-one bacterial species associated with coffee berry borers from Hawai’i, Mexico, or a laboratory colony in Maryland (Acinetobacter sp. S40, S54, S55, Bacillus aryabhattai, Delftia lacustris, Erwinia sp. S38, S43, S63, Klebsiella oxytoca, Ochrobactrum sp. S45, S46, Pantoea sp. S61, Pseudomonas aeruginosa, P. parafulva, and Pseudomonas sp. S30, S31, S32, S37, S44, S60, S75) were found to have at least one of five caffeine N-demethylation genes (ndmA, ndmB, ndmC, ndmD, ndmE), with Pseudomonas spp. S31, S32, S37, S60 and P. parafulva having the full complement of these genes. Some of the bacteria carrying the ndm genes were detected in eggs, suggesting possible vertical transmission, while presence of caffeine-degrading bacteria in frass, e.g., P. parafulva (ndmABCDE) and Bacillus aryabhattai (ndmA) could result in horizontal transmission to all insect life stages. Thirty-five bacterial species associated with the insect (Acinetobacter sp. S40, S54, S55, B. aryabhattai, B. cereus group, Bacillus sp. S29, S70, S71, S72, S73, D. lacustris, Erwinia sp. S38, S43, S59, S63, K. oxytoca, Kosakonia cowanii, Ochrobactrum sp. S45, S46, Paenibacillus sp. S28, Pantoea sp. S61, S62, P. aeruginosa, P. parafulva, Pseudomonas sp. S30, S31, S32, S37, S44, S60, S75, Stenotrophomonas sp. S39, S41, S48, S49) might contribute to caffeine breakdown using the C-8 oxidation pathway, based on presence of genes required for this pathway. It is possible that caffeine-degrading bacteria associated with the coffee berry borer originated as epiphytes and endophytes in the coffee plant microbiota.
- Published
- 2021
- Full Text
- View/download PDF
5. Cultivation and Genome Sequencing of Bacteria Isolated From the Coffee Berry Borer (Hypothenemus hampei), With Emphasis on the Role of Caffeine Degradation.
- Author
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Vega, Fernando E., Emche, Sarah, Shao, Jonathan, Simpkins, Ann, Summers, Ryan M., Mock, Meredith B., Ebert, Dieter, Infante, Francisco, Aoki, Sayaka, and Maul, Jude E.
- Subjects
CAFFEINE ,KLEBSIELLA oxytoca ,COFFEE ,INSECT pests ,BACTERIA ,COFFEE growing ,COFFEE beans - Abstract
The coffee berry borer, the most economically important insect pest of coffee worldwide, is the only insect capable of feeding and reproducing solely on the coffee seed, a food source containing the purine alkaloid caffeine. Twenty-one bacterial species associated with coffee berry borers from Hawai'i, Mexico, or a laboratory colony in Maryland (Acinetobacter sp. S40, S54, S55, Bacillus aryabhattai , Delftia lacustris , Erwinia sp. S38, S43, S63, Klebsiella oxytoca , Ochrobactrum sp. S45, S46, Pantoea sp. S61, Pseudomonas aeruginosa , P. parafulva , and Pseudomonas sp. S30, S31, S32, S37, S44, S60, S75) were found to have at least one of five caffeine N-demethylation genes (ndmA , ndmB , ndmC , ndmD , ndmE), with Pseudomonas spp. S31, S32, S37, S60 and P. parafulva having the full complement of these genes. Some of the bacteria carrying the ndm genes were detected in eggs, suggesting possible vertical transmission, while presence of caffeine-degrading bacteria in frass, e.g., P. parafulva (ndmABCDE) and Bacillus aryabhattai (ndmA) could result in horizontal transmission to all insect life stages. Thirty-five bacterial species associated with the insect (Acinetobacter sp. S40, S54, S55, B. aryabhattai , B. cereus group, Bacillus sp. S29, S70, S71, S72, S73, D. lacustris , Erwinia sp. S38, S43, S59, S63, K. oxytoca , Kosakonia cowanii , Ochrobactrum sp. S45, S46, Paenibacillus sp. S28, Pantoea sp. S61, S62, P. aeruginosa , P. parafulva , Pseudomonas sp. S30, S31, S32, S37, S44, S60, S75, Stenotrophomonas sp. S39, S41, S48, S49) might contribute to caffeine breakdown using the C-8 oxidation pathway, based on presence of genes required for this pathway. It is possible that caffeine-degrading bacteria associated with the coffee berry borer originated as epiphytes and endophytes in the coffee plant microbiota. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
6. ESTIMATION OF THE INFESTATION RATE IN COFFEE BERRY BORER, USING A SIR MODEL
- Author
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MONICA MESA, OSCAR MOLINA, and ALEJANDRA PULGARIN
- Subjects
broca del café ,modelado matemático ,modelo tipo SIR ,estimación de parámetros ,Mathematics ,QA1-939 - Abstract
The coffee berry borer, Hypothenemus hampei, is one of the plagues with the highest incidence and affectation in the coffee plantation. Colombia is a region that promotes the growth and infestation of this plague. The infestation is due to several factors such as Colombia’s climate, geographic location and continuous coffee production. Coffee production is one of the most important agricultural activities in the country. Therefore, it is important to carry out studies concerning the dynamics of the coffee borer. For this reason, this article adapts the behavior of the coffee borer with an epidemiological model type SIR proposed by Kermack y Mckendrick. This model and the final size relation (proposed by Castillo Chavez) will be used to estimate the coefficient that represents the infestation of the plague in terms of the other parameters involved in the dynamic. Besides, different numerical simulations were done in Matlab environment by changing the values of the parameters of the dynamic system.
- Published
- 2017
- Full Text
- View/download PDF
7. Elucidation of Hosts, Native Distribution, and Habitat of the Coffee Berry Borer (Hypothenemus hampei) Using Herbaria and Other Museum Collections
- Author
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Fernando E. Vega, Lucy T. Smith, Nina M. J. Davies, Justin Moat, Tomasz Góral, Robert O’Sullivan, and Aaron P. Davis
- Subjects
Africa ,Arabica coffee ,broca del café ,coffee ,coffee berry borer ,herbaria ,Plant culture ,SB1-1110 - Abstract
The coffee berry borer (Hypothenemus hampei) is the most damaging insect pest of global coffee production. Despite its importance, our knowledge on the insect’s natural habitat, range, and wild host species remains poorly known. Using archival sources (mainly herbaria but also other museum collections), we surveyed 18,667 predominantly wild-collected herbarium specimens mostly from Africa, Madagascar, and Asia for coffee berry borer occurrence. A total of 72 incidences were confirmed for presence of the coffee berry borer, with identifications assisted by micro-CT for SEM. Of the 72 positive infestations, all were from tropical African coffee (Coffea) species, of which 32 were from wild (non-cultivated) plants. Of the 32 wild occurrences, 30 were found in C. canephora (robusta coffee), 1 in C. liberica (Liberica coffee), and 1 in C. arabica (Arabica coffee). Our herbarium survey confirms literature and anecdotal reports that the coffee berry borer is indigenous to tropical Africa, and that coffee species, and particularly robusta coffee, are important hosts. We identify the wetter type of Guineo-Congolian forest as either the preferred or exclusive native habitat of the coffee berry borer. Other than coffee, we find no evidence of other naturally occurring hosts. Characters of infestation (e.g., hole position on coffee fruits) infers a certain degree of specificity between the coffee berry borer and its host.
- Published
- 2019
- Full Text
- View/download PDF
8. Elucidation of Hosts, Native Distribution, and Habitat of the Coffee Berry Borer (Hypothenemus hampei) Using Herbaria and Other Museum Collections.
- Author
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Vega, Fernando E., Smith, Lucy T., Davies, Nina M. J., Moat, Justin, Góral, Tomasz, O'Sullivan, Robert, and Davis, Aaron P.
- Subjects
HERBARIA ,BOTANICAL specimens ,COFFEE ,COFFEE beans ,COFFEE manufacturing ,BERRIES - Abstract
The coffee berry borer (Hypothenemus hampei) is the most damaging insect pest of global coffee production. Despite its importance, our knowledge on the insect's natural habitat, range, and wild host species remains poorly known. Using archival sources (mainly herbaria but also other museum collections), we surveyed 18,667 predominantly wild-collected herbarium specimens mostly from Africa, Madagascar, and Asia for coffee berry borer occurrence. A total of 72 incidences were confirmed for presence of the coffee berry borer, with identifications assisted by micro-CT for SEM. Of the 72 positive infestations, all were from tropical African coffee (Coffea) species, of which 32 were from wild (non-cultivated) plants. Of the 32 wild occurrences, 30 were found in C. canephora (robusta coffee), 1 in C. liberica (Liberica coffee), and 1 in C. arabica (Arabica coffee). Our herbarium survey confirms literature and anecdotal reports that the coffee berry borer is indigenous to tropical Africa, and that coffee species, and particularly robusta coffee, are important hosts. We identify the wetter type of Guineo-Congolian forest as either the preferred or exclusive native habitat of the coffee berry borer. Other than coffee, we find no evidence of other naturally occurring hosts. Characters of infestation (e.g., hole position on coffee fruits) infers a certain degree of specificity between the coffee berry borer and its host. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
- View/download PDF
9. Compostos de esterco de galinha e de ovino melhoram a produtividade de plantas de cafeeiro sob um sistema de produção orgânica.
- Author
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Rocca Jara, Quemin, Julca Otiniano, Alberto, Cuti Tapia, Rosa, Alvarado Huamán, Leonel, Castro Cépero, Viviana, and Borjas Ventura, Ricardo
- Subjects
- *
POTASSIUM sulfate , *CROP yields , *COFFEE , *MANURES , *ORGANIC fertilizers , *COFFEE beans - Abstract
The export of coffee beans produced in organic system is important in the Peruvian economy, however, the yield of coffee crops is low. The low yields are caused meanly by lack of fertilization and presence of plagues as Hypothenemus hampei. In this work, we monitored the infestation of H. hampei and evaluated the effect of compost of chicken manure (EG) and sheep manure (EO). The treatments were T1 (20.52%EG-31.32%EO), T2 (9.72%EG-42.12%EO), T3 (34.56%EG-0%EO), T4 (24.84%EG-0%EO), T5 (0%EG-41.12%EO) and T6 (24.84%EG-19.98%EO). The plant material was Coffea arabica cv Caturra Vermelha. All treatments were enriched with phosphoric rock, dolomite, seabird guano, potassium sulfate, ulexite and kieserite. The results showed that treatments AO-2 and AO-3 increased the yield of coffee and net return. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
- View/download PDF
10. Biological, botanical and chemical strategies for the management of Hypothenemus hampei FERRARI, in three coffee areas of Honduras
- Author
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Guardado Mateo, Iris Danelia, Gomez Lopez, Eyder Daniel, Rodríguez, Isaura Viviana, and Agricultura Ambiente y Sociedad
- Subjects
Control químico de plagas ,Posición de penetración ,Penetration position ,Quality parameters ,Biological pest control ,Chemical pest control ,Coffee borer ,632 - Lesiones, enfermedades, plagas vegetales [630 - Agricultura y tecnologías relacionadas] ,Honduras ,Broca del Cafe ,Mortalidad ,Hypothenemus hampei ,Control biológico de plagas ,Mortality ,Parametros de calidad ,Beauveria bassiana - Abstract
Ilustraciones, gráficas, tablas Con el objetivo de reducir los niveles de incidencia y la disminución del daño causado por Hypothenemus hampei en el cultivo de café, se evaluaron estrategias biológicas, botánicas y químicas. El estudio se realizó en el laboratorio de fito protección del (IHCAFE) donde se realizó un aislamiento de Beauveria bassiana nativo de la zona, obteniendo un rendimiento de 5.49x108 con/g de arroz. Se evaluó características de calidad del hongo B. bassiana y de tres formulaciones comerciales del mismo (T1, T2 y T3). Se evaluó la mortalidad de 11 tratamientos en condiciones de laboratorio, en mangas entomológicas y campo abierto (3 regiones de Honduras), en campo abierto también se evalúo la posición de penetración de la broca al fruto. Se realizaron análisis estadísticos y de comprobación. En laboratorio se encontró que el T10, T7, T6 y T8 registraron los mejores resultados matando el 100% de H. hampei en todas las evaluaciones, el tratamiento 5 causó una mortalidad del 95% para todas las horas evaluadas y en tercer lugar fue para el tratamiento 9, con una mortalidad de 69%. En campo el tratamiento (T10) fue el que registró la mayor mortalidad a través de las evaluaciones, con un rango de 80.9% en la primera evaluación y 5% a 35 DDA, seguido de los tratamientos (T8, T2, T7 y T4) con un rango de 30 y 7%. Para la mortalidad en manga según el análisis probit, el TL50 varió entre 16.8 a 42.7 días. Los tratamientos (T10, T7 y T4) fueron los únicos tratamientos que alcanzaron en menos de 28 días el tiempo requerido para causar la mortalidad del 50% de la población de la broca. Según los resultados del análisis de agrupamiento para la variable posición a los 14 días después de la aplicación los tratamientos (t10, T5 y T8), agrupados en el cluster 3 fueron el grupo más eficaz al controlar la broca con un porcentaje únicamente del 12% en la posición C, en cambio, para los 35 días los tratamientos con un bajo porcentaje de brocas en las últimas posiciones (C y D) fueron (T4, T5, T2 y T3) agrupados en el clúster 2 (C; 36% y D; 2.5%) y el T10 y T8 ubicados en el clúster 4 (C; 22% y D; 0.4%). (Texto tomado de la fuente) This research aimed to reduce the incidence levels and the damage caused by Hypothenemus hampei in coffee (Coffea arabica). This study evaluated biological, botanical, and chemical strategies for managing the coffee berry borer. This project was conducted in the Plant Protection Laboratory at the National Institute of Coffee (IHCAFE, by its acronym in Spanish). A native isolate was isolated, obtaining a yield of 5.49x108 with/g of rice. Quality characteristics of the fungus Bauveria bassiana and three commercial formulations made from it (T1, T2 and T3) were evaluated. The mortality using 11 treatments was evaluated under laboratory conditions, sweep nets, and in an open field (three regions of Honduras). Also, the penetration position in the fruit was considered and carried out in outdoor conditions. Analysis of variance (ANOVA), mean comparison, probit, and cluster analysis were performed according to the minimum distance algorithm (K-means). Laboratory results showed that insecticides Brusko® (T10), Bio-Insect® (T7), Bestfly® (6), and Pírex® (T8) registered 100% of mortality in all the evaluations. BestGrow® treatment (T5) caused a mortality of 95% for all the hours evaluated, and treatment 9 (Cadexsa) was 69% of the death rate. In field conditions, treatment T10 registered the highest mortality throughout the evaluations, with a range of 80.9 and 5%, followed by the treatments T8, T2, T7 and T4 with a range of 30 and 7%. According to the probit analysis, the TL50 varied between 16.8 to 42.7 days for the mortality in sweep nets. The treatments T10, T7 and T4 were the only insecticides that reached the time required to kill 50% of the H. hampei population in less than 28 days. Grouping analysis for the Position variable at 14 days after application showed that T1, T5 and T8 (grouped in cluster 3) were the most significant in controlling the coffee borer (12% in position C). On the other hand, for 35 days, the insecticides with a low percentage of coffee borers in the last positions (C and D) were T4, T5, T2 y T3 grouped in cluster 2 (C; 36% and D; 2.5%) and treatments T10 and T8 located in cluster 4 (C; 22% and D; 0.4%). Maestría Magíster en Ciencias Agrarias s. El estudio se realizó en el laboratorio de fito protección del (IHCAFE) donde se realizó un aislamiento de Beauveria bassiana nativo de la zona, obteniendo un rendimiento de 5.49x108 con/g de arroz. Se evaluó características de calidad del hongo B. bassiana y de tres formulaciones comerciales del mismo (T1, T2 y T3). Se evaluó la mortalidad de 11 tratamientos en condiciones de laboratorio, en mangas entomológicas y campo abierto (3 regiones de Honduras), en campo abierto también se evalúo la posición de penetración de la broca al fruto. Se realizaron análisis estadísticos y de comprobación Proteccion de cultivos Ciencias Agropecuarias.Sede Palmira
- Published
- 2023
11. ACTIVIDAD INSECTICIDA DEL CALDO SULFOCÁLCICO SOBRE Hypothenemus hampei (COLEOPTERA: CURCULIONIDAE).
- Author
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Cabrera Marulanda, Miguel Ángel, Robledo Buriticá, Jacobo, and Soto Giraldo, Alberto
- Abstract
Copyright of Boletín Científico Centro de Museos de Historia Natural is the property of Universidad de Caldas and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2018
- Full Text
- View/download PDF
12. A Potential Repellent Against the Coffee Berry Borer (Coleoptera: Curculionidae: Scolytinae).
- Author
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Vega, Fernando E., Simpkins, Ann, Miranda, Jose, Harnly, James M., Infante, Francisco, Castillo, Alfredo, Wakarchuk, David, and Cossé, Allard
- Subjects
- *
COFFEE berry borer , *REPELLENTS , *HYPOTHENEMUS hampei , *BARK beetles , *FARNESENE - Abstract
The coffee berry borer, Hypothenemus hampei (Ferrari), continues to pose a formidable challenge to coffee growers worldwide. Because of the cryptic life habit of the insect inside coffee berries, effective pest management strategies have been difficult to develop. A sesquiterpene, (E,E)-α-farnesene, produced by infested coffee berries has been identified as a potential repellent against the coffee berry borer both in laboratory bioassays and a field experiment in Hawaii. Various laboratory bioassays revealed significantly lower levels of infestation in berries treated with different concentrations of the (E,E)-α-farnesene. A field experiment in Hawaii resulted in up to 80% decreased coffee berry borer captures in traps containing a standard 3:1 methanol:ethanol attractant and a bubble cap formulation of (E,E)- α-farnesene compared to traps with just the attractant. (E,E)-α-farnesene was still active 19 wk after installation in the coffee plantation, based on 59% lower insect captures in traps containing the attractant + (E,E)-α-farnesene (1,737 insects) compared to traps containing the attractant (4,253 insects). The easy to install bubble caps are a welcome contrast with other pest management strategies that require spraying. The placement of (E,E)-α-farnesene in bubble caps in coffee plantations when coffee berries first become susceptible to infestations (ca. 90 d post-flowering) might result in lower infestation levels throughout the season, and consequently, increased yields and profits. [ABSTRACT FROM AUTHOR]
- Published
- 2017
- Full Text
- View/download PDF
13. Comparison Between Fuzzy, Neuro-Fuzzy and Neural Network Models To Estimate the Expansion of Coffee Berry Borer in Colombian Coffee Crops.
- Author
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Bazurto, Nychol, Martínez, Carlos, and Espitia, Helbert
- Subjects
- *
COFFEE berry borer , *NEURAL circuitry , *FUZZY logic - Abstract
In this paper we carry out a comparison among different techniques applied to simulation and representation of the expansion of the coffee berry borer in the Colombian coffee crops. First, we make a brief description of techniques: neural networks, neuro-fuzzy and fuzzy logic. Then, the models implementation is described and finally, we shown the comparison among these models, highlighting performance of neural networks. [ABSTRACT FROM AUTHOR]
- Published
- 2017
- Full Text
- View/download PDF
14. Mouthpart Structure and Elemental Composition of the Mandibles in the Coffee Berry Borer (Coleoptera: Curculionidae: Scolytinae).
- Author
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Vega, Fernando E., Bauchan, Gary, Infante, Francisco, and Davis, Steve
- Subjects
- *
COFFEE berry borer , *MANDIBLE , *INSECT anatomy , *ABRASION resistance , *SCANNING electron microscopy , *HYPOTHENEMUS hampei , *ANATOMY - Abstract
The various parts of the mouth in the coffee berry borer, Hypothenemus hampei (Ferrari), have been visualized and identified using scanning electron microscopy. The labial and maxillary palpi are three jointed and connected by a membrane that allows for telescoping. The maxillary palpi contain two types of sensilla (basiconic and campaniform) within an apical cuticular depression in the third segment of the palpus. The sides of the third segment of the maxillary palpus exhibits rod-shaped depressions, known as sensilla digitiformia. Several cuticular elements were detected in the mandibles, including Al, C, Ca, Cl, Mg, Na, O, P, and Zn. Zinc, a heavy metal, was only detected in the incisors and could provide abrasion resistance. [ABSTRACT FROM AUTHOR]
- Published
- 2017
- Full Text
- View/download PDF
15. Artificial diet sandwich reveals subsocial behaviour in the coffee berry borer Hypothenemus hampei (Coleoptera: Curculionidae: Scolytinae).
- Author
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Vega, F. E., Simpkins, A., Rodríguez‐Soto, M. M., Infante, F., and Biedermann, P. H. W.
- Subjects
- *
COFFEE growing , *COFFEE diseases & pests , *INSECT rearing , *COFFEE berry borer , *BARK beetles , *HERD immunity - Abstract
An artificial diet sandwich, consisting of coffee berry borer artificial diet within two glass plates, has been developed to elucidate the behaviour of the coffee berry borer, an insect that in nature spends most of its life cycle inside the coffee berry. Various types of behaviour have been observed for the first time, including gallery construction, oviposition, gallery blocking, mating and most remarkably, subsocial tasks such as maternal sanitation and tending of eggs and larvae. This observational technique is a breakthrough for studies and manipulations of the coffee berry borer's social behaviour and could be applicable to other bark beetles, consequently yielding important insights into the origin of parental care in scolytine beetles. [ABSTRACT FROM AUTHOR]
- Published
- 2017
- Full Text
- View/download PDF
16. Hypothenemus hampei (Coleoptera: Curculionidae) induce in vitro laminarinasa y quitinasa de Beauveria bassiana (Hypocreales: Clavicipitaceae).
- Author
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ACUÑA-PAYANO, ROSALYN, QUIROZ-FARFÁN, DIEGO, LAYNES-ZELA, PEDRO, NOLASCO-CÁRDENAS, OSCAR, and GUTIÉRREZ-ROMÁN, ANA
- Subjects
COFFEE berry borer ,LAMINARIA ,HYPOCREALES ,CLAVICIPITACEAE ,CURCULIONIDAE - Abstract
Copyright of Revista Colombiana de Entomología is the property of Universidad del Valle and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2017
- Full Text
- View/download PDF
17. Evaluación de tres tipos de trampas, efecto de altura y evaporación del atrayente para la broca del café Hypothenemus hampei en la finca Vegas, Veracruz, México.
- Author
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Cruz Alarcón, Alejandra, Barrera Gaytán, Juan francisco, Jiménez Zili, Jorge, Ernesto Valenzuela, Jorge, Cruz Domínguez, Pablo Esau, Cerdán Cabrera, Carlos Roberto, and Alvarado Castillo, Gerardo
- Abstract
Copyright of Fitosanidad is the property of Instituto de Investigaciones de Sanidad Vegetal and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2017
18. Escenarios de ramificaciones evolutivas en el marco de las dinámicas adaptativas: Teoría y aplicaciones al cambio tecnológico
- Author
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Toro-Zapata, Hernán Darío, Olivar-Tost, Gerard, Dercole, Fabio, and Abc Dynamics
- Subjects
602 - Miscelánea [600 - Tecnología (Ciencias aplicadas)] ,Dinámicas adaptativas ,Scientific development ,Public transportation ,Simulación de modelos ,Diversificación del mercado ,Technological Change ,Dynamic systems ,Simulation modeling ,Market diversification ,Coffee berry borer ,Mercado energético ,Transporte público ,Desarrollo científico ,Ramificación evolutiva ,Energy market ,Cambio tecnológico ,Mercado del café ,Broca del café ,Evolutionary branching ,Coffee market ,Adaptive dynamics ,Sistemas dinámicos - Abstract
gráficos In this thesis, we have reviewed the theory of Adaptive Dynamics, a theoretical background originated in evolutionary biology linking demographic dynamics to evolutionary changes, allowing it to describe evolutionary dynamics in the long-term when considering innovations as small and rare events in the market time scale. From this perspective, three mathematical models have been formulated to describe evolutionary branching: the coexistence between resident and similar innovative technologies and their further divergence in the evolutionary space. The first model addresses the problem of determining conditions on the energy market diversification from adaptive dynamics and the impact the imposition/allocation of taxes/subsidies may have on controlling market diversification. The second model explores the Coffee Berry Borer (Hypothenemus hampei) and its role in the evolutionary diversification of the coffee market; the influence that consumer's preference and control practices have on diversification is studied in detail, and correspond to the main source of insights. Finally, the third model in the fifth chapter, describes the competition among public transport systems, considering the number of transported passengers as the differentiation attribute is presented, the analysis allows to answer the question of under what condition the market diversifies, and which are the levels of transported passengers that will be reached in the long term depending on the budget allocation rate destined to increase the number of users. Adaptive dynamics describes evolution through an ordinary differential equation known as the canonical equation, which smooths on a continuous path the successive processes of innovation and substitution. This approach considers interactions to be the evolutionary driving force and considers the feedback between evolutionary change and the selection forces that agents undergo. One of the main (general) contributions of this thesis is to illustrate in detail how the theory of adaptive dynamics is very useful in areas of knowledge quite distant from evolutionary biology, in particular for engineering, given that its results predict the systems' long-term dynamics, as well as to control in the demographic/market timescale and to influence the long-term behavior of the evolving attributes in the evolutionary timescale. (Texto tomado de la fuente) En la ejecución de esta tesis, hemos revisado la teoría de la dinámicas adaptativas, un trasfondo teórico que se origina en la biología evolutiva, que vincula la dinámica demográfica con los cambios evolutivos, y permite describir la dinámica evolutiva a largo plazo al considerar las innovaciones como eventos pequeños y raros en la escala de tiempo del mercado. Desde esta perspectiva, se han formulado tres modelos matemáticos que permiten describir la ramificación evolutiva, es decir, la coexistencia entre tecnologías innovadoras residentes y similares y su posterior divergencia en el espacio evolutivo. El primer modelo aborda el problema de determinar las condiciones para la diversificación del mercado energético a partir de las dinámicas adaptativas y el impacto que la imposición/asignación de impuestos/subsidios puede tener en el control de la diversificación del mercado. El segundo modelo explora la broca del café (Hypothenemus hampei) y su papel en la diversificación evolutiva del mercado cafetero; la influencia que las preferencias de los consumidores y las prácticas de control tienen sobre la diversificación se estudia en detalle y corresponde a la principal fuente de información. Además, en el quinto capítulo, se presenta un modelo para la competencia entre los sistemas de transporte público, considerando el número de pasajeros transportados como el atributo de diferenciación; el análisis permite responder a la pregunta bajo qué condiciones se diversifica el mercado y cuáles son los niveles de pasajeros transportados que se alcanzarán a largo plazo dependiendo de la tasa de asignación presupuestaria destinada a aumentar el número de usuarios. La teoría de las dinámicas adaptativas describe la evolución a través de una ecuación diferencial ordinaria conocida como ecuación canónica, que suaviza en una trayectoria continua los procesos sucesivos de innovación y sustitución. Este enfoque considera las interacciones como la fuerza impulsora de la evolución y tiene en cuenta la retroalimentación entre el cambio evolutivo y las fuerzas de selección que sufren los agentes. Una de las principales contribuciones mas generales de esta tesis es ilustrar en detalle cómo la teoría de las dinámicas adaptativas es útil en áreas de conocimiento bastante distantes de la biología evolutiva, en particular para la ingeniería, dado que sus resultados permiten predecir el comportamiento de los sistemas a largo plazo, así como controlar dicho comportamiento en la escala de tiempo demográfica/de mercado e influir en la dinámica a largo plazo de los atributos en evolución en la escala de tiempo evolutiva. Doctorado Doctor en Ingeniería - Ingeniería Automática Mathematical modeling of innovations and technological change Eléctrica, Electrónica, Automatización Y Telecomunicaciones
- Published
- 2022
19. MODIFICACIÓN DE OLFATÓMETROS DE CUATRO BRAZOS PARA EXPERIMENTACIÓN EN BROCA DEL CAFÉ, HYPOTHENEMUS HAMPEI FERRARI (COLEOPTERA: CURCULIONIDAE)
- Author
-
Arturo Pacheco, Helga Blanco-Metzler, and Rebeca Mora
- Subjects
broca del café ,hypothenemus hampei ,olfatometría ,olfatómetro de cuatro brazos ,atrayente ,compuestos volátiles ,Agriculture ,Agriculture (General) ,S1-972 - Abstract
La broca del café Hypothenemus hampei (Ferrari) es considerada la plaga de mayor importancia en el cultivo del café a nivel mundial. Al igual que muchos otros insectos, el comportamiento de la broca se ve modificado por distintas señales olfativas, lo cual ha impulsado la investigación en el campo de la olfatometría, por medio de una gran variedad de estrategias y alternativas. En este experimento se evaluaron 2 diseños innovadores de olfatómetros de flujo de aire de 4 vías para experimentación en H. hampei. Estos fueron fabricados totalmente en cristal y difieren entre ellos por la distribución angular de los brazos distribuidores de flujos de aire yla zona de ingreso y adaptación de los insectos al olfatómetro. Para evaluar la funcionalidad de estos diseños se utilizó, como atrayente de acción conocida, una mezcla de metanol-etanol 3:1 y se evaluó la cantidad de hembras adultas atraídas al tratamiento en cada olfatómetro. En el olfatómetro de 90° los insectos se vieron claramente atraídos al brazo que contenía el atrayente, con un porcentaje del 45%, mientras que el olfatómetro de 30° tan solo alcanzó un 1,5% de atracción. Las observaciones realizadas durante estas pruebas dejaron en evidencia que las estrategias de ingreso de los insectos a los olfatómetros y el área de ambientación influyeron de manera importante en estos resultados. En una segunda etapa se evaluó el olfatómetro de 90º, al comparar los promedios de atracción de cada uno de sus 4 brazos, y se verificó que las diferencias de atracción en cada brazo no fueron significativas (p
- Published
- 2012
20. MANEJO SOSTENIBLE DE LA BROCA DEL CAFÉ (Hypothenemus hampei) MEDIANTE PODA SISTEMÁTICA DEL CAFETO EN COSTA RICA
- Author
-
Mainor Rojas
- Subjects
coffea arabica ,broca del café ,hypothenemus hampei ,manejo integrado ,poda sistemática ,Agriculture ,Agriculture (General) ,S1-972 - Abstract
Se realizaron evaluaciones en 29 cafetales de 9 localidades de Costa Rica, y se condujo un ensayo de campo, con el objetivo de estudiar el comportamiento del ataque de broca en lotes con diferentes sistemas de poda y validar el control diferenciado de la plaga en un sistema de poda por hilera cada 3 años. En sitios con poda por lote cada 3 años, la broca mostró una reducción de 48% de ataque en las ramas de 1 año respecto a las de 2 años; en lotes con poda por hilera cada 4 años, las ramas de 1 y 2 años mostraron entre 52 y 65% menos ataque que las ramas de 3 años. Un efecto similar se observó en lotes con poda por hilera cada 3 años, donde las ramas de 1 año presentaron en promedio 56% menos ataque que las ramas de 2 años. En el ensayo de campo, des - pués de la aplicación diferenciada de insecticida, el porcentaje de frutos con brocas vivas en la hilera de 2 años fue de 0,7% en ambos tratamien - tos a los 90 días después de la aplicación; mien - tras en la hilera de 1 año ese porcentaje fue de 0,7% donde se aplicó insecticida y 1% donde no se aplicó, sin mostrar diferencias significativas entre los tratamientos. El control diferenciado de broca, en un sistema de poda por hileras cada 3 años, permitió ahorrar el 30% del tiempo de la aplicación, 40% del insecticida y 36,5% del agua utilizada para la aspersión, al aplicar solo el 33% del cafetal, y sin poner en riesgo el resto del área cultivada. Se concluyó que las podas por lote y por hilera permiten concentrar la población de brocas en áreas reducidas del cafetal, lo que facilita las labores de control.
- Published
- 2012
21. MORFOLOGÍA EXTERNA DE LOS ESTADOS INMADUROS DE Hypothenemus hampei Ferrari (COLEOPTERA: CURCULIONIDAE) EXTERNAL MORPHOLOGY OF THE IMMATURES STAGES OF Hypothenemus hampei Ferrari (COLEOPTERA: CURCULIONIDAE)
- Author
-
José David Rubio G.
- Subjects
Scolytinae ,broca del café ,taxonomía ,larva ,coffee berry borer ,taxonomy ,larvae ,Agriculture (General) ,S1-972 ,Medicine (General) ,R5-920 ,Biology (General) ,QH301-705.5 - Abstract
Se presenta la descripción de la morfología externa de los estados inmaduros de la broca del café (huevo, larva y pupa), los cuales, se observaron y se dibujaron bajo estéreo-microscopio de luz. Los resultados de este trabajo servirán para identificar y para realizar estudios de morfología comparada con especies emparentadas y permitirán ampliar el conocimiento de la caracterización morfológica de las formas inmaduras de la broca del café, pues solamente se encuentran descripciones relativamente detalladas para estado adulto, desconociendo la importancia de la conformación, forma y segmentación de los estados inmaduros de una plaga tan limitante en el cultivo del café.A description of the external morphology of immature stages of the coffee berry borer (egg, larvae and pupae) was made under light microscope; also drawings were prepared of each stage. The results of this study are considered to be useful for research of comparative morphology with related species and increase the knowledge of the morphological characterization of the immature phases of the coffee berry borer. Up to now only taxonomic determinations of this insect in adult stage are known, ignoring the importance the conformation, form and segmentation of the immature stages of a pest so limiting in coffee cultivation represent.
- Published
- 2009
22. Caracterización de aislamientos nativos de Beauveria bassiana y su patogenicidad hacia Hypothenemus hampei, en Tabasco, México.
- Author
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DEL CARMEN GERÓNIMO-TORRES, JOSÉ, TORRES-DE-LA-CRUZ, MAGDIEL, PÉREZ-DE-LA CRUZ, MANUEL, DE-LA-CRUZ-PÉREZ, ARACELY, FREDY ORTIZ-GARCÍA, CARLOS, and CAPPELLO-GARCÍA, SILVIA
- Abstract
Copyright of Revista Colombiana de Entomología is the property of Universidad del Valle and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2016
- Full Text
- View/download PDF
23. Cultivation and Genome Sequencing of Bacteria Isolated From the Coffee Berry Borer (Hypothenemus hampei), With Emphasis on the Role of Caffeine Degradation
- Author
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Jonathan Shao, Fernando E. Vega, Jude E. Maul, Ann Simpkins, Francisco Infante, Meredith B. Mock, Dieter Ebert, Sarah E. EmcheS.E. Emche, Ryan M. Summers, and Sayaka Aoki
- Subjects
Microbiology (medical) ,bark beetle ,coffee ,lcsh:QR1-502 ,Coffea ,medicine.disease_cause ,Delftia lacustris ,Microbiology ,lcsh:Microbiology ,03 medical and health sciences ,broca del café ,Symbiosis ,Hypothenemus hampei ,medicine ,Original Research ,030304 developmental biology ,0303 health sciences ,biology ,030306 microbiology ,Pseudomonas aeruginosa ,symbiotes ,Pseudomonas ,Coleoptera (beetles) ,Klebsiella oxytoca ,biology.organism_classification ,symbiosis ,Cereus ,Bacteria - Abstract
The coffee berry borer, the most economically important insect pest of coffee worldwide, is the only insect capable of feeding and reproducing solely on the coffee seed, a food source containing the purine alkaloid caffeine. Twenty-one bacterial species associated with coffee berry borers from Hawai’i, Mexico, or a laboratory colony in Maryland (Acinetobacter sp. S40, S54, S55, Bacillus aryabhattai, Delftia lacustris, Erwinia sp. S38, S43, S63, Klebsiella oxytoca, Ochrobactrum sp. S45, S46, Pantoea sp. S61, Pseudomonas aeruginosa, P. parafulva, and Pseudomonas sp. S30, S31, S32, S37, S44, S60, S75) were found to have at least one of five caffeine N-demethylation genes (ndmA, ndmB, ndmC, ndmD, ndmE), with Pseudomonas spp. S31, S32, S37, S60 and P. parafulva having the full complement of these genes. Some of the bacteria carrying the ndm genes were detected in eggs, suggesting possible vertical transmission, while presence of caffeine-degrading bacteria in frass, e.g., P. parafulva (ndmABCDE) and Bacillus aryabhattai (ndmA) could result in horizontal transmission to all insect life stages. Thirty-five bacterial species associated with the insect (Acinetobacter sp. S40, S54, S55, B. aryabhattai, B. cereus group, Bacillus sp. S29, S70, S71, S72, S73, D. lacustris, Erwinia sp. S38, S43, S59, S63, K. oxytoca, Kosakonia cowanii, Ochrobactrum sp. S45, S46, Paenibacillus sp. S28, Pantoea sp. S61, S62, P. aeruginosa, P. parafulva, Pseudomonas sp. S30, S31, S32, S37, S44, S60, S75, Stenotrophomonas sp. S39, S41, S48, S49) might contribute to caffeine breakdown using the C-8 oxidation pathway, based on presence of genes required for this pathway. It is possible that caffeine-degrading bacteria associated with the coffee berry borer originated as epiphytes and endophytes in the coffee plant microbiota.
- Published
- 2021
24. Efecto de cinco Dosis de Heterorhabditis indica Poinat cepa P2M sobre la broca del café (Hypothenemus hampei Ferrari).
- Author
-
Fernández Cancio, Yander, García González, Marcos Tulio, and Rodríguez González, Manuel
- Abstract
With the objective of evaluating the effect of five dose nematode sentomopathogenic in the handling of the drill of the coffee (HypotenemushampeiFerrari) he was carried out the investigation under conditions controlled in the Provincial Laboratory of Vegetable Sanity of Sancti Spíritus. Two experiments were designed with five dose and seven repetitions, he was carried out the direct application on the adults of the insect in Petri dishand the second experimental variant consiste don the application to the contained floor in nylon bags with coffee beans Robust variety with presence of larvas and adults of the insect. The susceptibility of the adults was determined from the drill to the 24, 48 and 72 hours and effect of the doses on the percentage of mortality of the larvas and adults. As a result out standing the adult shad a susceptibility above 50% in 24 hours in the treatments where dose of 45, 75, 100 and 200 iji/adultos was used. The larvas of the drill were more susceptible to the action of the nematode with superior securities of mortality to 84% with all the treatments in single 72 hours. [ABSTRACT FROM AUTHOR]
- Published
- 2015
25. The Coffee Berry Borer (Coleoptera: Curculionidae): How Many Instars are There?
- Author
-
GÓMEZ, JAIME, CHÁVEZ, BRENDAY., CASTILLO, ALFREDO, VALLE, FRANCISCO J., and VEGA, FERNANDO E.
- Subjects
- *
CURCULIONIDAE , *INSECT larvae , *INSECT metamorphosis , *BIOLOGICAL rhythms , *INSECT morphology - Abstract
After more than a century since the description of the coffee berry borer, Hypothenemus hampei (Ferrari) (Coleoptera: Curculionidae), and dozens of scientific articles on the basic biology of the insect, there is still debate on the number of female larval instars. This article analyzes the metamorphosis of H. hampei females through direct observations during its entire biological cycle in the laboratory, together with scanning electron microscope photos. Also, the size of the head capsule of wild laivae and prepupae was analyzed with Dyar's rule and a discriminant analysis was conducted. Only two instars were observed during H. hampei metamorphosis up to the adult stage. Contrasting morphological eh anges in the larvae occurred when they transformed into prepupae, with no previous ecdysis. The statistical analysis revealed that the width of the cephalic masses form two significantly distinct groups before transformation into pupa, confirming that the prepupal stage forms part of the second larval instar. [ABSTRACT FROM AUTHOR]
- Published
- 2015
- Full Text
- View/download PDF
26. Evaluación in vitro de extractos de hojas y flores de llama del bosque (Spathodea campanulata B.) sobre la broca del café (Hypothenemus hampei F.)
- Author
-
Reynaldo Alarcón-Noguera and Guillermo Penieres-Carrillo
- Subjects
Llama del bosque ,Spathodea campanulata ,extracto de hojas y flores ,broca del café ,efecto insecticida ,porcentaje de mortalidad ,Technology - Abstract
La broca del café (Hypothenemus hampei F.) es la plaga de mayor importancia económica en la caficultura de Guatemala, ya que afecta el rendimiento y la calidad del grano. Entre los métodos de manejo de este insecto está el uso de extractos de hojas y flores de llama del bosque (Spathodea campanulata B.), un árbol con propiedades insecticidas y repelente de insectos utilizado en la medicina popular. El néctar y los extractos de hojas, tallos y flores contienen sustancias tóxicas para los insectos, tales como ácidos orgánicos, esteroles, carbohidratos y triterpenos. En los ensayos in vitro, los extractos de hojas a 0,5 (T1), 1,0 (T2) y 1,5 (T3) mg/ml de solución tuvieron actividad insecticida, presentando porcentajes de mortalidad de las brocas de 60, 70 y 80% respectivamente a las 72 horas de aplicación, aunque estadísticamente fueron iguales al insecticida Endosulfán (T4), que provocó el 100% de mortalidad a las 24 horas de la aplicación, pero diferentes al control negativo (T5), que alcanzó el 20% de mortalidad a las 72 horas. Los extractos de flores a 1 y 1.5 mg/ml de solución provocaron una mortalidad del 100% de las brocas, lo cual corresponde al mismo efecto del Endosulfán 24 horas después de las aplicaciones, mientras que el extracto a 0.5 mg/ ml presentó el 70% de mortalidad a las 72 horas. Estadísticamente, el Endosulfán es igual al T1, T2 y T3 pero diferente al control negativo de agua-etanol al 25% (T5), con un 40% de mortalidad de brocas. Con base en los resultados anteriores, los extractos de hojas y flores de llama del bosque ofrecen una alternativa para el manejo integrado de la broca del café. Se recomiendan investigaciones in vitro, en invernaderos y en el campo.
- Published
- 2013
- Full Text
- View/download PDF
27. Modelo neuro difuso para representar la expansión de la broca en cafetales colombianos.
- Author
-
Bazurto Gómez, Nychol, Martínez Morales, Carlos Alberto, and Espitia Cuchango, Helbert Eduardo
- Abstract
Copyright of Visión Electrónica is the property of Fondo de Universidad Distrital Francisco Jose de Caldas and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2014
28. Estudio microtomográfico de la anatomía funcional de dos especies de insectos plaga, el psílido asiático de los cítricos, Diaphorina citri (Hemiptera: Liviidae) y la broca del café, Hypothenemus hampei (Coleoptera, Curculionidae)
- Author
-
Alba Alejandre, Ignacio, Alba Tercedor, Francisco Javier, and Universidad de Granada. Programa de Doctorado en Biología Fundamental y de Sistemas
- Subjects
Micro-CT ,Psílido asiático ,Diaphorina citri ,Hypothenemus hampei ,Plagas ,Broca del café ,Insectos ,Anatomía ,Entomología - Abstract
Esta tesis se ha subvencionado con el subproyecto-contrato S15192.01 realizado entre la “Kansas State University (KSU)” y la Universidad de Granada (UGR), como parte del proyecto “Developing an Infrastructure and Product Test Pipeline to Deliver Novel Therapies for Citrus Greening Disease”. (USDA-NIFA Award 2014-70016-23028: 2015-2020) coordinado por Susan J. Brown (KSU), (www.citrusgreening.org)., El objetivo principal de esta tesis doctoral ha sido realizar un estudio microtomográfico detallado (con imágenes 3D de alta resolución y vídeos) de la anatomía externa e interna de dos especies de insectos plaga: el psílido asiático de los cítricos (Diaphorina citri Kuwayama, 1908) y la broca del café (Hypothenemus hampei Ferrari, 1867), de gran importancia a nivel mundial por los enormes daños y pérdidas económicas que provocan. Adicionalmente, durante la realización del estudio de la actividad de H. hampei en el interior de la cereza del café, encontramos especímenes del gorgojo del grano de café (Araecerus fasciculatus De Geer en 1775) emergiendo de las cerezas del café, este descubrimiento motivó un estudio del mismo y su actividad dentro de la cereza del café, que fue objeto de una publicación adicional al respecto y que se incluye como material adicional., The main objective of this doctoral thesis has been to carry out a detailed microtomographic study (with high resolution 3D images and videos,) of the external and internal anatomy of two species of insect pests: the Asian citrus psyllid (Diaphorina citri Kuwayama, 1908) and the coffee berry borer (Hypothenemus hampei Ferrari, 1867), of great importance worldwide due to the enormous damage and economic losses they cause. Additionally, during the study of H. hampei's activity within the coffee cherry, we found specimens of the coffee bean weevil (Araecerus fasciculatus De Geer in 1775) emerging from coffee cherries. This discovery motivated a study of the bean weevil and its activity within the coffee berry, which was the object of an additional publication on the subject and which is included as additional material., Tesis Univ. Granada., Subproyecto-contrato S15192.01 realizado entre la “Kansas State University (KSU)” y la Universidad de Granada (UGR), como parte del proyecto “Developing an Infrastructure and Product Test Pipeline to Deliver Novel Therapies for Citrus Greening Disease”. (USDA-NIFA Award 2014-70016-23028: 2015-2020)
- Published
- 2020
29. MONITOREO DIGITALIZADO DE Hypothenemus hampei Ferrari 1867 (COLEOPTERA: CURCULIONIDAE) EN EL PARQUE NACIONAL TEREPAIMA, ESTADO LARA, VENEZUELA.
- Author
-
Suárez, Alián, Arrieche, Norayda, and Paz, Ramón
- Subjects
BEETLES ,NONLINEAR theories ,HYPOTHENEMUS hampei ,POPULATION density - Abstract
Copyright of BIOAGRO is the property of Revista BIOAGRO and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2013
30. Fungi associated with Hypothenemus hampei (Coleoptera: Curculionidae: Scolytinae) in Tabasco, Mexico
- Author
-
Torres de La Cruz, Magdiel, Gerónimo Torres, José del Carmen, Ortiz García, Carlos Fredy, Ayala Escobar, Victoria, Pérez de La Cruz, Manuel, Cappello García, Silvia, Montoya Lerma, James, Sociedad Colombiana de Entomología - Socolen, and Universidad del Valle
- Subjects
Coleoptera ,Curculionidae ,Fusarium ,Broca del café ,Beauveria bassiana ,Geotrichum - Abstract
In the state of Tabasco, Mexico, the coffee berry borer Hypothenemus hampei, was reported for the first time in 2004. Since then it has become the main insect pest of coffee in this area. The aim of the present study was to document the mycobiota associated to H. hampei adults in coffee plantations of three localities of Tabasco: Teapa, Tacotalpa and Huimanguillo. Coffee berries infested with the coffee berry borer were collected from the field and adults of H. hampei were extracted. The fungi that grew on the Scolytinae cadavers were isolated and identified using taxonomic keys. Two isolates of each morphological species were molecularly identified. A total of 74 isolates was obtained from the cuticle of H. hampei. Of them, 52 presented morphological affinity with Fusarium solani, five with F. oxysporum, five with F. verticillioides, one with Geotrichum candidum and 11 with Beauveria bassiana. The DNA sequences showed similarity with sequences found in GenBank, with homologies of 99 % and 100 %, which coincided with each morphological species. The most abundant species was F. solani (70.2 %), followed by B. bassiana (14.8 %). The species F. verticillioides and F. oxysporum represented each one, at 6.7 %, respectively. The least abundant was G. candidum (1.3 %). The findings of the species F. verticillioides and G. candidum are new reports of micromycetes fungi associated with H. hampei. This study contributes to the knowledge of the diversity of fungi associated with H. hampei.
- Published
- 2019
31. Insecticide activity of lime sulphur on Hypothenemus hampei (COLEOPTERA: CURCULIONIDAE)
- Author
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Alberto Soto-Giraldo, Miguel Ángel Cabrera-Marulanda, and Jacobo Robledo-Buriticá
- Subjects
control alternativo ,broca del café ,integrated pest management ,coffee berry borer ,Museology ,manejo integrado de plagas ,Conservation ,alternative control - Abstract
Resumen Objetivos: Evaluar el caldo sulfocálcico como alternativa ecológica para el manejo de la broca del café Hypothenemus hampei bajo condiciones controladas de laboratorio. Alcance: Dosis letales y subletales del caldo sulfocálcico sobre H. hampei. Metodología: Se evaluó el caldo sulfocálcico 31,5 grados Baumé en sus dosis letales y subletales sobre la broca del café. Las curvas de concentración-mortalidad fueron estimadas por el análisis Probit. Principales resultados: El caldo sulfocálcico presentó efecto insecticida sobre la broca del café; los mayores porcentajes de mortalidad se obtuvieron a los cuatro días después de la aplicación y las dosis subletal (DL50) y letal (DL95) fueron 2,2% y 7,1%, respectivamente. Conclusiones: Se determinaron las dosis letales y subletales del caldo sulfocálcico sobre la broca del café. Abstract Objectives: Evaluate the lime sulphur as an ecological alternative for the management of the coffee berry borer Hypothenemus hampei under controlled laboratory conditions. Scope: Lethal and sublethal doses of lime sulphur on H. hampei. Methodology: The broth lime sulphur (31.5 degrees Baumé) was evaluated on coffee berry borer using lethal and sublethal doses. The concentration-mortality curves were estimated by Probit analysis. Main results: The lime sulphur presented an insecticidal effect on the coffee berry borer. The highest mortality percentages were obtained four days after application. Lethal (DL50) and sublethal (DL95) doses were 2.2% and 7.1%, respectively. Conclusions: Lethal and sublethal doses of the lime sulphur on the coffee berry borer were determined.
- Published
- 2018
32. FACTORES QUE AFECTAN LA ATRACCIÓN DE PROROPS NASUTA WATERSTON (HYMENOPTERA: BATHYLIDAE) A LOS OLORES EMITIDOS POR LOS DESECHOS DE SU HUÉSPED, LA BROCA DEL CAFÉ.
- Author
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Aremi LÓPEZ-RODRÍGUEZ, Marta, CHIU-ALVARADO, Pilar, and C. ROJAS, Julio
- Subjects
- *
HYMENOPTERA , *CURCULIONIDAE , *COFFEE berry borer , *COFFEE diseases & pests , *BIOLOGICAL pest control , *INSECT host plants - Abstract
The parasitoid Prorops nasuta Waterston (Hymenoptera: Bathylidae) is a wasp that feeds upon and parasitizes the coffee berry borer, Hypothenemus hampei (Ferrari) (Coleoptera: Curculionidae: Scolytinae), which is the most important pest of coffee (Coffea spp.) in the world. Previous studies have shown that P. nasuta females are attracted to the odors emitted by dust/frass of H. hampei. In this study, the effect of age, feeding status, sex and previous experience of P. nasuta on female attraction to the dust/frass odors was investigated in the laboratory using a Y-tube olfactometer. Females without food and those fed with a solution of honey-water (1: 1) significantly preferred dust/frass odors over clean air. In contrast, females fed with H. hampei immature stages did not show any preference for dust/frass odors or clean air. Female age did not influence the attraction of P. nasuta to dust/frass odors. P. nasuta males were not attracted to dust/frass odors. Both naïve and experienced females were similarly attracted to dust/frass odors, suggesting that the response of P. nasuta to dust/frass odors is innate. [ABSTRACT FROM AUTHOR]
- Published
- 2009
33. POTENCIALIDADES DE Heterorhabditis bacteriophora POINAR CEPA HC1 PARA EL MANEJO DE Hypothenemus hampei Ferr. II. COMPATIBILIDAD CON Beauveria bassiana (BALSAMO) VUILLEMIN Y ENDOSULFAN.
- Author
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Sánchez, Lourdes and Rodríguez, Mayra G.
- Subjects
- *
HETERORHABDITIS , *BIOLOGICAL pest control , *COFFEE berry borer , *PESTICIDE research , *PHYTOPATHOGENIC fungi - Abstract
The strain HC1 belonging to Heterorhabditis bacteriophora has shown to be an effective biological control agent for important pests in Cuba, showing also potentialities for coffee berry borer (CBB) management. The objective of this work was to study the relationship between this organism and Beauveria bassiana, fungi with high use at international scale for CBB under field conditions and with the Thiodan, pesticide for this purpose. The strain HC1 of H. bacteriophora showed a synergic and additive effect, with a 62% mortality in the treatment with two biocontrol organisms. In the Petri dish viability assay, using infective juveniles of nematodes (HC1) and Endosulfan (Thiodan), the 97-98% of juveniles survived during almost 36h in pesticide solution, with similar values to distilled water. The pesticide neither affected the nematode pathogenicity, which caused a 100% mortality in Corcyra cephalonica larvae and Ips sp. adults, independently the exposition time to the pesticide. The assays carried out in this work confirm the possibility to use H. bacteriophora HC1 and Thiodan in simultaneous applications, as well as the use of HC1 - B. bassiana, element of great importance for the management of this pest in coffee agroecosystems, since in the case of having high insect densities, they can be applied together. [ABSTRACT FROM AUTHOR]
- Published
- 2008
34. POTENCIALIDADES DE Heterorhabditis bacteriophora POINAR CEPA HC1 PARA EL MANEJO DE Hypothenemus hampei FERR. I. PARASITISMO Y CAPACIDAD DE BÚSQUEDA.
- Author
-
Sánchez, Lourdes and Rodríguez, Mayra G.
- Subjects
- *
BIOLOGICAL control of insects , *HETERORHABDITIS , *MEALYBUGS , *CYLAS formicarius - Abstract
In Cuba, Heterorhabditis bacteriophora strain HC1 has demonstrated favourable qualities as biological control agent of diverse pest insects under the Cuban conditions. It is being used successfully against mealybugs (Pseudococcidae) complex in coffee Cylas formicarius in sweet potato and diamond back (Plutella xyllostella) in cabbage, among others. In order to check its effect on the coffee berry borer (Hypothenemus hampei), main pest in coffee in Cuba, the susceptibility on different insect stages and the capacity of nematodes for penetrating coffee grains infested were evaluated. A mortality of 100% of larvae and pupae placed in Petri dishes and in coffee grains treated was registered at 48 hours. Infective juveniles, which parasite larvae at the moment of the emergency, were aggregated on the eggs. Under simulated field conditions, a 60% mortality was obtained in these stages inside coffee grains with a progressive increment in dependance of the evaluation moment, registering a half mortality of 93% at 17 days. [ABSTRACT FROM AUTHOR]
- Published
- 2007
35. Comparative study of agricultural practices in coffee plantations of Anolaima, Cundinamarca, Colombia: its association with environmental variables and infestation by populations of Hypotenemus hampei (Ferrari)
- Author
-
Neira Moreno, Ana Rocío and Bilenca, David
- Subjects
TEMPERATURA ,SUSTENTABILIDAD ,SUSTAINABILITY ,COFFEE ,COFFEE BERRY BROKER ,CAFE ,BROCA DEL CAFE ,DEFICIT DE PRESION DE VAPOR ,TEMPERATURE RANGE ,AMPLITUD TERMICA ,VAPOUR PRESURE DEFICIT ,TEMPERATURE - Abstract
La presente investigación se enfocó en comprender cómoprácticas agrícolas se relacionan con algunas variables microclimáticasy con el comportamiento de la broca Hypothenemushampei en seis cultivos de café del municipio de Anolaima (Cundinamarca - Colombia). Se emplearon metodologías participativas y colaborativascon apoyo de la comunidad campesina, el enfoque fue descriptivo donde se integraron instrumentos cualitativos y cuantitativos. Se visitó la zona en promedio en 20 ocasiones, se realizaron 30 entrevistas semiestructuradas y 20 recorridos guiados. Se caracterizaron las prácticas de manejo en relación con la sustentabilidad de las fincas: 5 variables biofísicas, 8 prácticas agrícolas y 3aspectos biológicos. Se midió temperatura (T) y humedad relativa (HR) cada hora yse calculó la amplitud térmica (AT) y déficit de presión de vapor (DPV) para cada cultivo. Se establecieron comparaciones usando pruebas estadísticas ANOVA y de Múltiples Rangos. Se realizaron muestreos de broca según metodología del Centro Nacional de Investigaciones de Café CENICAFE y se compararon estadísticamentelos cultivos. Se determinó la relación entre las poblaciones de broca y la temperatura por medio de la medición de grados día (GD) y cálculo de generaciones del insecto, así mismo se establecieron correlaciones de Pearson entre información microclimática y algunas variables de los agroecosistemas. Se encontraron diferencias significativas (P
- Published
- 2019
36. Caracterización agronómica de 95 accesiones en el banco de germoplasma de café en Chanchamayo (Perú), año 2016
- Author
-
Alvarado y Cols., L.
- Subjects
broca del café ,coffee rust disease ,multivariate analysis ,coffee berry borer ,roya del café ,café ,coffee plant ,análisis multivariado - Abstract
The present study aimed to evaluate the agronomic characteristics of 95 accessions in the coffee germplasm bank (Coffea arabica L.) in Chanchamayo, in 2016. This work was carried out in "La Genova" fund of the National Agrarian University La Molina in San Ramón-Chanchamayo. The characterization was carried out on the basis of characters that describe the productive capacity of the plant and its behavior against the "drill" (Hypothenemus hampei) and "rust" (Hemileia vastatrix). An analysis of variance and a Duncan test were performed for each variable studied using the Statgraphic program. Then a multivariate analysis (main components and groupings) was carried out with the NTSYS program that allowed to know the characters that have expressed a greater degree of variability, as well as the relation between accessions. The accessions with the highest yields in average coffee cherry / plant were UNACAF-70 with 5.42 kg / plant and UNACAF149 with 4.16 kg / plant; While the least outstanding accessions were UNACAF-151 with 0.22 kg / plant and UNACAF-223 with 0.15 kg / plant. Regarding the weight of dry parchment coffee per plant, the most outstanding accession remained UNACAF-70 with 1.1 kg / plant. Finally, the most discriminating characters were cherry coffee weight, dry parchment coffee weight, number of fruits per plant, pulp weight of 100 mature fruits and weight of 100 mature fruits. El presente estudio tuvo como objetivo evaluar las características agronómicas de 95 accesiones en el banco de germoplasma de café (Coffea arabica L.) en Chanchamayo, año 2016. Este trabajo se llevó a cabo en el fundo “La Génova” de la Universidad Nacional Agraria La Molina en San Ramón-Chanchamayo. La caracterización se basó en caracteres que describan la capacidad productiva de la planta y su comportamiento frente a la “broca” (Hypothenemus hampei) y “roya” (Hemileia vastatrix). Luego se realizó un análisis de varianza y una Prueba de Duncan para cada variable estudiada mediante el programa Statgraphic. Se realizó un análisis multivariado (componentes principales y agrupamientos) con el programa NTSYS que permitió conocer los caracteres que han expresado un mayor grado de variabilidad, así como la relación entre accesiones. Las accesiones con más altos rendimientos en promedio de café cerezo/planta fueron UNACAF70 con 5.42 kg/planta y UNACAF-149 con 4.16 kg/planta; mientras que las accesiones menos sobresalientes fueron UNACAF-151 con 0.22 kg/planta y UNACAF-223 con 0.15 kg/planta. Con respecto al peso de café pergamino seco por planta, la accesión más sobresaliente siguió siendo UNACAF-70 con 1.1 kg/planta. Finalmente, los caracteres más discriminantes fueron peso de café cerezo, peso de café pergamino seco, número de frutos por planta, peso de pulpa de 100 frutos maduros y peso de 100 frutos maduros.
- Published
- 2018
37. Visualizing the Mesothoracic Spiracles in a Bark Beetle: Hypothenemus hampei (Coleoptera: Curculionidae).
- Author
-
VEGA, FERNANDO E., BAUCHAN, GARY, INFANTE, FRANCISCO, VALDÉZ-CARRASCO, ORGE M., and BEAVER, ROGER
- Subjects
- *
BARK beetles , *SCANNING electron microscopy , *COFFEE berry borer , *SETAE , *PROTHORAX - Abstract
In a low-temperature scanning electron microscopy study aimed at determining whether the coffee berry borer [Hypothenemus hampei (Ferrari) (Coleoptera: Curculionidae)] possesses mycangia, we fortuitously detected the mesothoracic spiracles, which are usually concealed. The mesothoracic spiracles are ventrolaterally located in the intersegmental membranes between the prothorax and mesothorax, and contain a large number of setae. This is the first study that includes photographs of the mesothoracic spiracles in a bark beetle. [ABSTRACT FROM AUTHOR]
- Published
- 2015
- Full Text
- View/download PDF
38. Monitoring coffee berry borer, Hypothenemus hampei (Coleoptera: Curculionidae), populations with alcoholbaited funnel traps in coffee farms in Colombia.
- Author
-
Aristizabal, Luis F., Jiménez, Mauricio, Bustillo, Alex E., Trujillo, Héctor I., and Arthurs, Steven P.
- Subjects
- *
COFFEE berry borer , *INSECT trapping , *HYPOTHENEMUS hampei , *METHANOL , *INSECT pest control , *COFFEE plantations - Abstract
We monitored dispersing coffee berry borer (CBB), Hypothenemus hampei (Ferrari) (Coleoptera: Curculionidae: Scolytinae), with easily-manufactured, alcohol-baited funnel traps and quantified associated berry infestation on 8 coffee farms in 2 regions in Caldas, Colombia. Flight activity and damage to berries was highest in the 2-3 months after the main harvest (Jan through Mar) and was greater in large farms, where insecticides were used, compared with small farms where efficient and frequent cultural control was implemented. The use of traps and attractants will help farmers track CBB populations and localize efforts to control this pest. [ABSTRACT FROM AUTHOR]
- Published
- 2015
39. Efecto de cinco Dosis de Heterorhabditis indica Poinat cepa P2M sobre la broca del café (Hypothenemus hampei Ferrari)
- Author
-
Yander Fernández Cancio, Marcos Tulio García González, and Manuel Rodríguez González
- Subjects
NEMATODOS ,BROCA DEL CAFÉ ,lcsh:H1-99 ,lcsh:Social sciences (General) ,lcsh:Science (General) ,lcsh:Q1-390 - Abstract
Con el objetivo de evaluar el efecto de Heterorhaditis indica cepa P2M en el manejo de la broca del café (Hypotenemushampei Ferrari) se realizó la investigación en condiciones controladas en el Laboratorio Provincial de Sanidad Vegetal de Sancti Spíritus con cinco dosis del patógeno: 20, 45, 75, 100 y 200 individuos juveniles infestiles/adulto (iji/adulto). Se diseñaron dos experimentos: variante 1 con aplicaciones directa sobre los adultos del insecto en placas Petri con siete repeticiones y variante 2 con la aplicación al suelo en bolsas de nylon con granos de la variedad Robusta con presencia de larvas y adultos del insecto. Se determinó la susceptibilidad de los adultos del insecto a las 24, 48 y 72 horas y el efecto de las dosis sobre el porcentaje de mortalidad de las larvas y adultos. Como resultado relevante de la variante 1 se destaca que los adultos tuvieron una susceptibilidad por encima del (50 %) en 24 horas con las dosis superiores a 20 iji/adultos y en la variante 2 lo valores de mortalidad de las larvas fueron superiores a los adultos del insecto a las 72 horas. El nematodo constituye una alternativa viable en el control de la broca con valores de mortalidad de 50% en 24 horas.
- Published
- 2015
40. Hongos asociados a Hypothenemus hampei (Coleoptera: Curculionidae: Scolytinae) en Tabasco, México
- Author
-
Manuel Pérez de la Cruz, Victoria Ayala Escobar, José Del Carmen Gerónimo-Torres, Silvia Cappello-García, Magdiel Torres-de la Cruz, and Carlos F. Ortiz-García
- Subjects
0106 biological sciences ,Fusarium ,Mycobiota ,010607 zoology ,Biological pest control ,Beauveria bassiana ,Geotrichum ,Bassiana ,01 natural sciences ,Curculionidae ,biocontrol ,Neotropical region ,control biológico ,región Neotropical ,biology ,biology.organism_classification ,Coleoptera ,Coffee berry borer ,010602 entomology ,Horticulture ,Insect Science ,Broca del café ,Fusarium solani - Abstract
Resumen En el estado de Tabasco, México, la broca del café Hypothenemus hampei, se registró por primera vez en 2004. Desde entonces se ha convertido en la principal limitante insectil de la producción de café. El objetivo del presente trabajo fue identificar la micobiota asociada a adultos de H. hampei, recolectados en plantaciones de café en tres municipios de Tabasco: Teapa, Tacotalpa y Huimanguillo. Se recolectaron cerezas infestadas con la broca y se extrajeron los adultos de H. hampei. Los hongos que crecieron sobre los cadáveres de este Scolytinae se aislaron e identificaron morfológicamente. Dos aislamientos de cada especie morfológica se identificaron molecularmente. Se obtuvo un total de 74 aislamientos de la cutícula de H. hampei, de los cuales, 52 presentaron afinidad morfológica con Fusarium solani, cinco con F. oxysporum, cinco con F. verticillioides, uno con Geotrichum candidum y 11 con Beauveria bassiana. Las secuencias de ADN mostraron similitud con secuencias del GenBank, con homologías de 99 y 100 %, las cuales coincidieron con cada especie morfológica. La especie más abundante fue F. solani (70,2 %), seguida de B. bassianna (14,8 %). Las especies F. verticillioides y F. oxysporum representaron cada una el 6,7 %. La menos abundante fue G. candidum (1,3 %). Los hallazgos de F. verticillioides y G. candidum son nuevos registros de hongos micromicetos asociados a H. hampei. Abstract In the state of Tabasco, Mexico, the coffee berry borer Hypothenemus hampei, was reported for the first time in 2004. Since then it has become the main insect pest of coffee in this area. The aim of the present study was to document the mycobiota associated to H. hampei adults in coffee plantations of three localities of Tabasco: Teapa, Tacotalpa and Huimanguillo. Coffee berries infested with the coffee berry borer were collected from the field and adults of H. hampei were extracted. The fungi that grew on the Scolytinae cadavers were isolated and identified using taxonomic keys. Two isolates of each morphological species were molecularly identified. A total of 74 isolates was obtained from the cuticle of H. hampei. Of them, 52 presented morphological affinity with Fusarium solani, five with F. oxysporum, five with F. verticillioides, one with Geotrichum candidum and 11 with Beauveria bassiana. The DNA sequences showed similarity with sequences found in GenBank, with homologies of 99 % and 100 %, which coincided with each morphological species. The most abundant species was F. solani (70.2 %), followed by B. bassiana (14.8 %). The species F. verticillioides and F. oxysporum represented each one, at 6.7 %, respectively. The least abundant was G. candidum (1.3 %). The findings of the species F. verticillioides and G. candidum are new reports of micromycetes fungi associated with H. hampei. This study contributes to the knowledge of the diversity of fungi associated with H. hampei.
- Published
- 2020
41. MANEJO SOSTENIBLE DE LA BROCA DEL CAFÉ (Hypothenemus hampei) MEDIANTE PODA SISTEMÁTICA DEL CAFETO EN COSTA RICA.
- Author
-
Rojas, Mainor
- Subjects
- *
COFFEE berry borer , *PRUNING , *COFFEE plantations , *EXPERIMENTAL agriculture , *PEST control , *INSECTICIDES - Abstract
Assessments were performed in 29 coffee plantations in 9 locations in Costa Rica and a field trial was conducted, with the purpose of studying the behavior of the coffee berry borer attack in plots with different pruning systems and validating the differentiated pest control in a row-pruning (every 3 years) system. The assessment of the coffee berry borer, in sites where pruning is performed per plot every 3 years, showed a reduction of 48 percent in the attacks to 1-year branches in relation to the 2-year branches; in plots where row pruning is performed every 4 years, attacks were 52 and 65 percent less in 1 and 2-year branches than in 3-year branches. A similar effect was observed in plots with row pruning every 3 years, where 1-year branches had an average of 56 percent less attack than 2-year branches. In the field trial, after the differentiated application of insecticide, the percentage of fruits with coffee berry borers alive in the 2-year row was of 0.7 percent in both treatments at 90 days after application; whereas in the 1-year row this percentage was 0.7 percent where the insecticide was applied and 1 percent where it was not applied, with no significant differences between treatments. The differentiated control of the coffee berry borer, in a pruning system per row performed every 3 years, made it possible to save 30% in application time, 40% in insecticide and 36.5% in water used for aspersion, by making the application to only 33% of the coffee plantation, and without putting into risk the rest of the area cultivated. It was concluded that pruning per plot, as well as per row, makes it possible to concentrate the coffee berry borer in small areas of the coffee plantation, which contributes to pest control management. [ABSTRACT FROM AUTHOR]
- Published
- 2012
42. MODIFICACIÓN DE OLFATÓMETROS DE CUATRO BRAZOS PARA EXPERIMENTACIÓN EN BROCA DEL CAFÉ, Hypothenemus hampei FERRARI (COLEOPTERA: CURCULIONIDAE).
- Author
-
Pacheco, Arturo, Blanco-Metzler, Helga, and Mora, Rebeca
- Subjects
- *
COFFEE berry borer , *INSECT-plant relationships , *HYPOTHENEMUS hampei , *OLFACTOMETRY , *BIOLOGICAL assay , *MIXTURES , *PLANT adaptation - Abstract
The coffee berry borer, Hypothenemus hampei is considered to be a major pest in coffee producing countries worldwide. As in many insects, the behavior of the coffee borer is modified through aromatic signals. This has triggered important research within the different approaches of olfactometry. Two new innovative designs of olfactometers were evaluated to be used on H. hampei for this research. The olfactometers were built of glass and differ in the angular distribution of their arms and in the insect's inlet and adaptation zone. A mixture of methanol-ethanol 3:1, with proven attraction properties, was used to evaluate the functionality of these olfactometers. The bioassays were performed using only adult females of H. hampei. On the 90º olfactometer, 45% of the insects were strongly attracted to the arm comprised of the alcohol mixture. In the case of the 30º olfactometer the positive behavior response was only of 1.5%. During the assays it was observed that the different insect insertion strategies into the olfactometers and the adaptation area had a major influence on results. During the second stage of this research, the 90º olfactometer was evaluated through a comparison of the average attraction of each of its 4 arms; there were no significant differences (p<=0.05) in attraction response of H. hampei between arms of the device. It is concluded that the 90º olfactometer design is suitable to develop volatile-compound attraction assays on adult females of H. hampei. [ABSTRACT FROM AUTHOR]
- Published
- 2012
43. Estimation of the infestation rate in coffee berry borer, using a SIR model
- Author
-
Mónica J. Mesa, Alejandra M. Pulgarín, and Oscar E. Molina
- Subjects
broca del café ,coffee berry borer ,Materials Science (miscellaneous) ,mathematical modeling ,type model SIR ,estimación de parámetros ,Business and International Management ,parameter estimation ,modelado matemático ,Industrial and Manufacturing Engineering ,modelo tipo SIR - Abstract
ResumenLa broca del café Hypothenemus hampei, es una de las plagas con mayor incidencia y afectación en los cafetales. Colombia, por ser una región que favorece al crecimiento e infestación de esta plaga debido a factores como el clima, ubicación geográfica, producción continua de café, y dado que la caficultura es una de las actividades agrícolas más importantes en el país, es importante realizar estudios referentes a la dinámica de la broca.Por tal razón, en este artículo se adaptó el comportamiento de la broca del café, con un modelo epidemiológico tipo SIR propuesto por Kermack y Mckendrick. Además usando la relación de tamaño final (propuesta por Castillo Chavez) se estimó el coeficiente que representa la infestación de la plaga en términos de otros parámetros involucrados en la dinámica. Por último, se realizaron diferentes simulaciones numéricas en ambiente Matlab variando los valores de los parámetros del sistema dinámico. AbstractThe coffee berry borer, Hypothenemus hampei, is one of the plagues with the highest incidence and affectation in the coffee plantation. Colombia is a region that promotes the growth and infestation of this plague. The infestation is due to several factors such as Colombia’s climate, geographic location and continuous coffee production. Coffee production is one of the most important agricultural activities in the country. Therefore, it is important to carry out studies concerning the dynamics of the coffee borer. For this reason, this article adapts the behavior of the coffee borer with an epidemiological model type SIR proposed by Kermack y Mckendrick. This model and the final size relation (proposed by Castillo Chavez) will be used to estimate the coefficient that represents the infestation of the plague in terms of the other parameters involved in the dynamic. Besides, different numerical simulations were done in Matlab environment by changing the values of the parameters of the dynamic system.
- Published
- 2017
44. A Potential Repellent Against the Coffee Berry Borer (Coleoptera: Curculionidae: Scolytinae)
- Author
-
Fernando E. Vega, Alfredo Castillo, David Wakarchuk, Ann Simpkins, Allard A. Cossé, Francisco Infante, Jose Miranda, and James M. Harnly
- Subjects
0106 biological sciences ,Integrated pest management ,Life habit ,biology ,Field experiment ,General Medicine ,Berry ,medicine.disease_cause ,biology.organism_classification ,01 natural sciences ,(E,E)-α-farnesene ,push-pull ,010602 entomology ,Horticulture ,broca del café ,Insect Science ,Curculionidae ,Infestation ,medicine ,coffee berry borer management ,bark beetles ,Push pull ,Research Articles ,010606 plant biology & botany - Abstract
The coffee berry borer, Hypothenemus hampei (Ferrari), continues to pose a formidable challenge to coffee growers worldwide. Because of the cryptic life habit of the insect inside coffee berries, effective pest management strategies have been difficult to develop. A sesquiterpene, (E,E)-α-farnesene, produced by infested coffee berries has been identified as a potential repellent against the coffee berry borer both in laboratory bioassays and a field experiment in Hawaii. Various laboratory bioassays revealed significantly lower levels of infestation in berries treated with different concentrations of the (E,E)-α-farnesene. A field experiment in Hawaii resulted in up to 80% decreased coffee berry borer captures in traps containing a standard 3:1 methanol:ethanol attractant and a bubble cap formulation of (E,E)-α-farnesene compared to traps with just the attractant. (E,E)-α-farnesene was still active 19 wk after installation in the coffee plantation, based on 59% lower insect captures in traps containing the attractant + (E,E)-α-farnesene (1,737 insects) compared to traps containing the attractant (4,253 insects). The easy to install bubble caps are a welcome contrast with other pest management strategies that require spraying. The placement of (E,E)-α-farnesene in bubble caps in coffee plantations when coffee berries first become susceptible to infestations (ca. 90 d post-flowering) might result in lower infestation levels throughout the season, and consequently, increased yields and profits.
- Published
- 2017
45. Estimación de la tasa de infestación de la broca en un cafetal, utilizando un modelo tipo SIR
- Author
-
Mesa, Mónica, Molina, Oscar, Pulgarín, Alejandro, Mesa, Mónica, Molina, Oscar, and Pulgarín, Alejandro
- Abstract
The coffee berry borer, Hypothenemus hampei, is one of the plagues with the highest incidence and affectation in the coffee plantation. Colombia is a region that promotes the growth and infestation of this plague. The infestation is due to several factors such as Colombia’s climate, geographiclocation and continuous coffee production. Coffee production is one of the most important agricultural activities in the country. Therefore, it is important to carry out studies concerning the dynamics of the coffee borer. For this reason, this article adapts the behavior of the coffee borer with an epidemiological model type SIR proposed by Kermack y Mckendrick. This model and the final size relation (proposed by Castillo Chavez) will be used to estimate the coefficient that represents the infestation of the plague in terms of the other parameters involved in the dynamic. Besides, different numerical simulations were done in Matlab environment by changing the values of the parameters of the dynamic system., La broca del café Hypothenemus hampei, es una de las plagas con mayor incidencia y afectación en los cafetales. Colombia, por ser una región que favorece al crecimiento e infestación de esta plaga debido a factores como el clima, ubicación geográfica, producción continua de café, y dado que la caficultura es una de las actividades agrícolas más importantes en el país, es importante realizar estudios referentes a la dinámica de la broca. Por tal razón, en este artículo se adaptó el comportamiento de la broca del café, con un modelo epidemiológico tipo SIR propuesto por Kermack y Mckendrick. Además usando la relación de tamaño final (propuesta por Castillo Chavez) se estimó el coeficiente que representa la infestación de la plaga en términos de otros parámetros involucrados en la dinámica. Por último, se realizaron diferentes simulaciones numéricas en ambiente Matlab variando los valores de los parámetros del sistema dinámico.
- Published
- 2017
46. Estimación de la tasa de infestación de la broca en un cafetal, utilizando un modelo tipo SIR
- Author
-
Mesa, Mónica J., Molina, Oscar E., and Pulgarín, Alejandra M.
- Subjects
broca del café ,coffee berry borer ,mathematical modeling ,type model SIR ,estimación de parámetros ,parameter estimation ,modelado matemático ,modelo tipo SIR - Abstract
The coffee berry borer, Hypothenemus hampei, is one of the plagues with the highest incidence and affectation in the coffee plantation. Colombia is a region that promotes the growth and infestation of this plague. The infestation is due to several factors such as Colombia’s climate, geographic location and continuous coffee production. Coffee production is one of the most important agricultural activities in the country. Therefore, it is important to carry out studies concerning the dynamics of the coffee borer. For this reason, this article adapts the behavior of the coffee borer with an epidemiological model type SIR proposed by Kermack y Mckendrick. This model and the final size relation (proposed by Castillo Chavez) will be used to estimate the coefficient that represents the infestation of the plague in terms of the other parameters involved in the dynamic. Besides, different numerical simulations were done in Matlab environment by changing the values of the parameters of the dynamic system. La broca del café Hypothenemus hampei, es una de las plagas con mayor incidencia y afectación en los cafetales. Colombia, por ser una región que favorece al crecimiento e infestación de esta plaga debido a factores como el clima, ubicación geográfica, producción continua de café, y dado que la caficultura es una de las actividades agrícolas más importantes en el país, es importante realizar estudios referentes a la dinámica de la broca. Por tal razón, en este artículo se adaptó el comportamiento de la broca del café, con un modelo epidemiológico tipo SIR propuesto por Kermack y Mckendrick. Además usando la relación de tamaño final (propuesta por Castillo Chavez) se estimó el coeficiente que representa la infestación de la plaga en términos de otros parámetros involucrados en la dinámica. Por último, se realizaron diferentes simulaciones numéricas en ambiente Matlab variando los valores de los parámetros del sistema dinámico.
- Published
- 2017
47. Hypothenemus hampei (Coleoptera: Curculionidae) as in vitro inducer of laminarinase and chitinase of Beauveria bassiana (Hypocreales: Clavicipitaceae)
- Author
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ACUÑA-PAYANO, ROSALYN, QUIROZ-FARFÁN, DIEGO, LAYNES-ZELA, PEDRO, NOLASCO-CÁRDENAS, OSCAR, GUTIÉRREZ-ROMÁN, ANA, Sociedad Colombiana de Entomología - Socolen, and Universidad del Valle
- Subjects
Coffee berry borer ,Conidia ,Enzyme activity ,Conidios ,Broca del café ,Biomasa ,Biomass ,Entomopathogen ,Entomopatógeno ,Actividad enzimática - Abstract
Resumen En el Perú, Hypothenemus hampei o broca es la plaga más importante, que causa daño específico a los cultivos de café, debido a que al momento de alimentarse provoca la caída de los frutos. De otro lado, Beauveria bassiana es un hongo entomopatógeno extensamente usado en el control biológico. Nuestra investigación determina la inducción de enzimas laminarinasa y quitinasa de B. bassiana en presencia de extracto en polvo de H. hampei y relacionarlas a su patogenicidad, para así promover el desarrollo de agentes de control biológico y sustituir el uso de plaguicidas. Se prepararon tres medios de cultivo líquido para inducir la producción enzimática y crecimiento de B. bassiana. Se evaluó la biomasa, proteínas totales, conidios, actividades enzimáticas y específicas de laminarinasa y quitinasa. Los datos se analizaron utilizando SPSS 19.0. Se encontraron diferencias significativas (P < 0,05) para la biomasa (F = 5,30; df = 35; P < 0,05), conidios (F = 190,87; df = 35; P < 0,05), proteínas totales (F = 91,04; df = 35; P < 0,05), la actividad laminarinasa (F = 27,61; df= 35; P < 0,05), la actividad específica laminarinasa (F = 25,31), actividad quitinasa (F = 32,66; df = 35; P < 0,05) y la actividad específica quitinasa (F = 26,91; df = 35; P < 0,05). Los niveles de las enzimas laminarinasa y quitinasa en B. bassiana determinaron que la inducción de estas enzimas es posible en cultivo líquido suplementado con extracto en polvo de H. hampei. Los resultados requieren evaluaciones posteriores para la aplicación in vivo, sin embargo son fundamentales y constituyen aporte al conocimiento sobre el mecanismo patogénico de B. bassiana. Abstract In Peru, Hypothenemus hampei or the coffee berry borer, (CBB) is the most important pest, causing specific damage to coffee crops, because it causes fruit to fall during feeding. On the other hand, Beauveria bassiana is an entomopathogenic fungus widely used in biological control. This study determine the induction of chitinase and lami- narinase of B. bassiana in presence of H. hampei powder and how it relates to pathogenicity in order to promote the development of biological control agents and replace the use of pesticides. Three different liquid media cultures were prepared to induce the enzymatic production and growth of B. bassiana; and biomass, total proteins, conidia, enzymatic activities and enzymatic specific activities were evaluated. Data were analyzed using SPSS 19.0. Significant differences (P < 0.05) for biomass (F = 5.30; df = 35; P < 0.05), conidia (F = 190.87; df = 35; P < 0.05), total proteins (F = 91.04; df = 35; p < 0.05), laminarinase activity (F = 27.61; df = 35; P < 0.05), specific laminarinase activity (F = 25.31; df = 35; P < 0.05), chitinase activity (F = 32.66; df = 35; P < 0.05) and specific chitinase activity (F = 26.91; df = 35; P < 0.05) were determined between each treatment evaluated. Levels of chitinase and laminarinase determined that induction of these enzymes is possible in liquid media cultures supplemented with powdered H. hampei extract. Results require further evaluation for application in vivo but are fundamental and constitute a contribution to knowledge about the pathogenic mechanism of B. bassiana.
- Published
- 2017
48. Respuesta de Hypothenemus hampei Ferrari (Coleoptera: Curculionidae: Scolytinae) a estímulos olfativos: estado actual y perspectivas
- Author
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Rodriguez Caicedo, Daniel, Cure, José R., and Cantor, Fernando
- Subjects
Trampas con atrayente ,Broca del Café ,Semioquímicos - Abstract
Se presenta una revisión acerca de la investigación realizada en torno a la atracción química en la broca del café, como un aspecto indispensable para el desarrollo de métodos de captura en trampas, que pueden ser útiles para fines de monitoreo o control de la plaga. La discusión en relación con la broca del café es complementada con información disponible para otros Scolytinae de zonas con estaciones, que presentan características de comportamiento similiares. A partir del diagnóstico realizado se proponen temas de investigación relevantes para trabajos en el futuro.
- Published
- 2017
49. Characterization of native isolates of Beauveria bassiana and its pathogenicity to Hypothenemus hampei, en Tabasco, Mexico
- Author
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Gerónimo-Torres, José Del Carmen, Torres-de-la-Cruz, Magdiel, Cruz, Manuel Pérez-de-la, De-la-Cruz-Pérez, Aracely, Ortiz-garcía, Carlos Fredy, and Cappello-García, Silvia
- Subjects
Coffee berry borer ,Entomopathogenic fungi ,Hongos entomopatógenos ,Broca del café ,Biocontrol - Abstract
Con la finalidad de contar en Tabasco, México con aislamientos nativos de Beauveria bassiana con potencial de control de Hypothenemus hampei, 12 cepas se aislaron y caracterizaron según variables fisiológicas y patogénicas. El crecimiento micelial (CM), la velocidad de germinación y la producción de conidios (PdC) en agar-dextrosa de Sabouraud + 0,1% de extracto de levadura (ADS+EL), son las variables fisiológicas consideradas y evaluadas a 25, 30 y 35 °C. Además, se evaluó la PdC en arroz a 25 °C. Hubo diferencias (P < 0,001) en el CM de los aislamientos. La temperatura favorable para el CM fue de 25 a 30 °C. El tiempo requerido para la germinación del 50% de los conidios (TG50) varió de 12,6 a 15,9 h. El TG90 varió de 16,9 a 61,5 h. Los mejores TG50 y TG90 se obtuvieron a 25 y 30 °C. La temperatura óptima para la germinación fue 30 °C. Hubo diferencias (P < 0,001) en la PdC en medio ADS+EL, y la temperatura óptima para la PdC fue 25 °C. Así también, hubo diferencias (P < 0,001) en la PdC en arroz. La efectividad patogénica de los aislamientos de B. bassiana sobre H. hampei fue del 100% a las 144 h. El tiempo para matar el 50% de la población (TL50) varió de 71,8 a 104 h. Así también, el TL90 varió de 91,8 a 132,8 h. Las cepas nativas BbTcf9, BbTcf5 y BbTcf1, fueron seleccionadas para su evaluación en condiciones de campo. In order to obtain native isolates of Beauveria bassiana with potential to control Hypothenemus hampei, 12 strains were isolated and characterized according to physiological and pathogenicity variables. Mycelia growth (MG), germination rate and conidial production (CP) in Sabouraud dextrose agar media + 0.1% of yeast extract (SDA+YE), were assessed at 25, 30 and 35 °C. In addition, the conidial production on rice was evaluated at 25 °C. There were differences (P < 0.001) in the MG of the isolates. The favorable temperature for MG ranged between 25 and 30 °C. The time required to 50% of conidial germination (TG50) ranged from 12.6 to 15.9 h, and the TG90 ranged from 16.9 to 61.5 h. The best TG50 and TG90 were obtained at 25 and 30 °C. The optimum temperature for germination, of the majority of the isolates, was 30 °C. There were differences (P < 0.001) on the PdC in the SDA+YE media, and the optimum temperature for the production of conidia was 25 °C. Thus, there were differences (P < 0.001) in the production of conidia in rice. The pathogenic effectiveness of the isolates of B. bassiana on H. hampei was 100%, to the 144 h. Letal time to kill 50% of the population (TL50) ranged from 71.8 to 104 h; as well as, the TL90 ranged from 91.8 to 132.8 h. Native strains BbTcf9, BbTcf5 and BbTcf1 were selected for its evaluation under field conditions.
- Published
- 2016
50. Sostenibilidad de las fincas cafetaleras a través del manejo integrado de la broca del café (Hipotenemus hampei) en el Distrito de Huambo, Rodríguez de Mendoza, Amazonas
- Author
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Leiva Espinoza, Santos Triunfo and Maicelo Quintana, Jorge Luis
- Subjects
Finca cafetalera ,Broca del café ,Caracterización ,Indicadores de sostenibilidad - Abstract
Este trabajo se realizó en Huambo, Rodríguez de Mendoza (Amazonas, Perú) con los objetivos de a) Caracterizar la condición socioeconómica del productor, b) Determinar la eficacia a través de la aplicación de prácticas culturales, etológicas y biológicas para el Manejo integrado de la broca del café (Hipotenemus hampei) (Coleoptera: Scolytidae); y c) Determinar la influencia del manejo integrado de la broca del café, sobre la sostenibilidad de las fincas cafetaleras. La caracterización socioeconómica del productor cafetalero del distrito de Huambo, indica que los problemas por los cuales atraviesa, muestran semejanza a los del sistema productivo nacional y a los de otros países productores de café de América Latina. Respecto a la aplicación de los componentes de manejo integrado de la broca del café, los resultados indicaron que el control cultural (raspa al 100%) logró disminuir los niveles de incidencia de daño hasta en un 30,2%; el uso de Beauveria bassiana, como herramienta de control biológico, permitió la reducción de al menos un 20% de incidencia del daño y finalmente, el control etológico (trampas caseras rojas y amarillas) logró reducir la incidencia hasta en un 20,1%. Por otro lado, se encontró que la mayoría de fincas cafetaleras (91,7%) alcanzan niveles de sostenibilidad (6,06) influenciados mayoritariamente por los indicadores de la eficiencia del manejo integrado de la broca del café (7,66). Se demostró que la adopción de técnicas agroecológicas vinculadas a la sanidad del cultivo, ayudaron a mejorar la sostenibilidad de las fincas cafetaleras de los productores asentados en esta parte del país. Tesis
- Published
- 2016
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