10 results on '"Onofre Nodari, Rubens"'
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2. The plastome sequence of the endemic Amazonian conifer, Retrophyllum piresii (Silba) C.N.Page, reveals different recombination events and plastome isoforms
- Author
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do Nascimento Vieira, Leila, Rogalski, Marcelo, Faoro, Helisson, Pacheco de Freitas Fraga, Hugo, Goulart dos Anjos, Karina, Assine Picchi, Gisele Fernanda, Onofre Nodari, Rubens, de Oliveira Pedrosa, Fábio, Maltempi de Souza, Emanuel, and Pedro Guerra, Miguel
- Published
- 2016
- Full Text
- View/download PDF
3. Avaliação de frutos de goiabeira-serrana cultivados no meio oeste de Santa Catarina, Brasil
- Author
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Sánchez Mora, Fernando David, Saifert, Luciano, Petry, Vanessa Samara, Borsuk, Lido José, Otalora Villamil, Juan Manuel, Onofre Nodari, Rubens, Sánchez Mora, Fernando David, Saifert, Luciano, Petry, Vanessa Samara, Borsuk, Lido José, Otalora Villamil, Juan Manuel, and Onofre Nodari, Rubens
- Abstract
The aim of the present study was to determine the behavior of physicochemical characteristics of feijoa fruits of seven genotypes grown in two locations of Santa Catarina. The evaluation was made using the following: (i) 2011/12, 2014/15 and 2015/16 harvests of genotypes 85, 101, 223, 458 and 509, cultivated in Fraiburgo (Papuã community); and (ii) 2014/15 and 2015/16 harvests of genotypes 28.12 and 527, in Água Doce (Vista Alegre community). Diameter (cm), length (cm) and weight (g) of the fruit, peel (g) and pulp (g) weight, peel thickness (mm), and total soluble solids (Brix grade) were evaluated. An analysis of variance, comparisons between means using Tukey’s test (p < 0.05), and Pearson correlation coefficients (p < 0.05) were computed for the variables of feijoa fruits. In Água Doce, genotype 527 had the largest diameter and weight of the fruit (88.7 g). In Fraiburgo, genotype 85 had the highest fruit weight (94.9 g) and genotype 509 had the highest pulp yield (37.5%). Not all genotypes with higher fruit weight exhibited higher pulp yield, confirming that the skin thickness and fruit size variables are directly related to yield. The variation in total soluble solids values was due to the environment and genotype effects., O objetivo do presente estudo foi determinar o comportamento das características físico-químicas dos frutos de sete genótipos de goiabeira-serrana cultivados em dois locais em Santa Catarina. A avaliação foi realizada nas safras 2011/12, 2014/15 e 2015/16 nos genótipos 85, 101, 223, 458 e 509, na localidade de Fraiburgo (comunidade Papuã), e nas safras 2014/15 e 2015/16, nos genótipos 28.12 e 527, na localidade de Água Doce (comunidade Vista Alegre). Foram avaliados diâmetro (cm), comprimento (cm) e peso do fruto (g), peso de casca e polpa (g), espessura de casca (mm) e sólidos solúveis totais (grau Brix). Foram realizadas análise de variância, comparação entre médias pelo teste Tukey (p < 0,05) e correlações de Pearson (p < 0,05) entre as características dos frutos. Em Água Doce, o genótipo 527 registrou o maior diâmetro e peso do fruto (88,7 g). Em Fraiburgo, destacou-se o genótipo 85, que registrou o maior peso de fruto (94,9 g) e 509 com maior rendimento de polpa (37,5%). Foi constatado que nem todos os genótipos com maior peso do fruto foram os que obtiveram maior rendimento de polpa, confirmando que as variáveis espessura da casca e tamanho do fruto estão diretamente relacionadas com o rendimento. A variação nos valores de sólidos solúveis totais foi afetada pela influência do ambiente e do genótipo.
- Published
- 2020
4. Reflections on proposed modifications to the regulation of genetically modified food labeling in Brazil.
- Author
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Dal Molin Cortese, Rayza, Secchi Martinelli, Suellen, Karen Fabri, Rafaela, Melgarejo, Leonardo, Onofre Nodari, Rubens, and Barletto Cavalli, Suzi
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FOOD labeling ,GENETICALLY modified foods ,FREEDOM of information ,TRANSGENIC organisms ,CONSUMER protection ,PRECAUTIONARY principle - Abstract
Given the uncertainty surrounding the safety of genetically modified organisms (GMOs), the precautionary principle and constitution provide that consumers should have the right to access adequate information on the presence of transgenics through food labelling. This article discusses the implications of proposed modifications to GM food labelling in Brazil. Current labelling legislation and the government agencies involved in labelling do not guarantee that food products not bearing GMO labels are free of transgenics. The approval of Chamber of Deputies Bill No. 34/2015 goes against the Consumer Protection Code by undermining consumer autonomy and choice. In addition, it is likely to weaken the country's biosurveillance capabilities to identify and seize products that have a harmful effect on the health of humans, animals and the environment. The proposed changes constitute a retrograde step in the regulation of food labelling in Brazil and violate the individual and collective rights enshrined in the Federal Constitution, Consumer Protection Code, and international agreements signed by Brazil. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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- View/download PDF
5. A expansão do agronegócio: impactos nefastos do desmatamento, agrotóxicos e transgênicos nas abelhas.
- Author
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FAITA, Marcia Regina, CHAVES, Adriana, and Onofre NODARI, Rubens
- Abstract
Copyright of Desenvolvimento e Meio Ambiente is the property of Universidade Federal do Parana 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
6. Agrotóxicos: críticas à regulação que permite o envenenamento do país.
- Author
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HESS, Sonia Corina, Onofre NODARI, Rubens, and LOPES-FERREIRA, Monica
- Abstract
Copyright of Desenvolvimento e Meio Ambiente is the property of Universidade Federal do Parana 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
7. Agrobiodiversidad y desarrollo sostenible: La convervación IN SITU puede asegurar la seguridad alimentaria
- Author
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Onofre Nodari, Rubens and Felicia Tomás, Domingas
- Subjects
Conservación de la finca ,Agroecología ,Variedades criollas ,Diversidad genética - Abstract
Este artículo tiene como objetivo presentar y discutir la importancia, las amenazas y las estrategias para la conservación y el uso sostenible de la agrobiodiversidad. Los agricultores cuando domesticaron plantas y animales produjeron prácticamente toda la comida que necesitábamos. Además, las innovaciones generaron una enorme diversidad genética. Sin embargo, esta diversidad biológica de los ecosistemas agrícolas está siendo amenazada principalmente por el avance de la frontera agrícola, el tipo de sistema agrícola intensivo en agrotóxicos y otros químicos, el cultivo en larga escala de plantas transgénicas y el cambio climático. La importancia de la agrobiodiversidad mantenida y producida de forma agroecológica tiene un significado doble para los consumidores: la dieta más variada de alimentos saludables y el mejor balance nutricional de las variedades locales, mejor que el de las variedades modernas. Para alcanzar esto, es importante que las políticas públicas promocionen el uso sostenible de los componentes de la diversidad biológica agrícola, la conservación in situ, los principios y procesos agroecológicos y el mejoramiento genético participativo. Así, la conservación de la agrobiodiversidad local asegura la continua evolución de las plantas en los sistemas de cultivo y también el proceso de adaptación a diferentes ambientes.
- Published
- 2016
8. POTENCIAL SANITARIO Y PRODUCTIVO DE 12 CLONES DE CACAO EN ECUADOR
- Author
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Sánchez-Mora, Fernando D., primary, Medina-Jara, S. Mariela, additional, Díaz-Coronel, Gorki T., additional, Ramos-Remache, Rommel A., additional, Vera-Chang, Jaime F., additional, Vásquez-Morán, Vicente F., additional, Troya-Mera, Fidel A., additional, Garcés-Fiallos, Felipe R., additional, and Onofre-Nodari, Rubens, additional
- Published
- 2015
- Full Text
- View/download PDF
9. Calidad de los análisis de riesgo e inseguridad de los transgénicos para la salud ambiental y humana
- Author
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Onofre Nodari, Rubens
- Subjects
Plantas modificadas genéticamente ,Contaminación biológica ,Seguridad alimentaria ,Biodiversidad ,Plants, genetically modified ,Biological contamination ,Biohazard releases ,Food security ,Biodiversity - Abstract
In general, transgenic plants carry genes of antibiotic resistance and sequences that promote the transfer of genes and instability. It is also unpredictable the site of insertion of transgenes, the side effects and the effects to non-target organism or animals in the food chain. Nor it is possible to control the expression of the transgenes that are inserted or the spread of them. These features require scientific studies for decision making. Proponents of the technology prefer to use the criterion of substantial equivalence, which doesn’t have scientific basis and will be argued in this article, but being accepted by regulatory agencies. In general, the few studies submitted by applicants are very low quality and therefore they wouldn’t be published in prestigious journals. Examples of these studies are discussed here as the low number of repetitions and the short duration of trials. Therefore, society is not known of what happens during the review and approval of transgenics for commercial use. Now, there are studies by independent researchers indicate damage to human health and the environment. Part of these studies are presented and discussed in this article. finally, in the absence of risk assessments on scientific basis, we suggest the use of the precautionary principle. Las plantas transgénicas, en general, cargan genes de resistencia a antibióticos y secuencias que favorecen la transferencia de genes y la inestabilidad. Además es imprevisible el sitio de inserción del transgene, los efectos colaterales y los efectos a los organismos no blancos o en la cadena alimentaria. Tampoco es posible controlar la expresión de los transgenes insertados o la diseminación de los transgenes. Estas características requieren estudios de base científica para la toma de decisión. Los proponentes de la tecnología prefieren utilizar el criterio de equivalencia substancial, que no tiene base científica como será argumentado en este artículo, pero que está siendo aceptado por las agencias reguladoras. Los pocos estudios presentados por los interesados, en general son de calidad muy baja y por eso, difícilmente serían publicados en revistas de prestigio. Ejemplos de estos estudios son aquí discutidos como el bajo número de repeticiones y la corta duración de los ensayos. Así, la sociedad no tiene conocimiento de lo que pasa durante la fase de análisis y aprobación de transgénicos para uso comercial. Estudios de investigadores independientes ya indican daños a salud humana y al medio ambiente. Parte de estos estudios son presentados y discutidos en este artículo. finalmente, frente a la falta de evaluaciones de riesgo de base científica, se sugiere el empleo del principio precautorio.
- Published
- 2009
10. Pyramiding of resistance alleles to grape powdery mildew assisted by molecular markers.
- Author
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Sánchez-Mora, Fernando D., Saifert, Luciano, Zanghelini, Jean, Paixão, Crysttian A., Dal Vesco, Lirio Luiz, Eibach, Rudolf, Antonio Dalbó, Marco, Onofre Nodari, Rubens, and José Welter, Leocir
- Subjects
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POWDERY mildew diseases , *ALLELES , *GRAPES , *PYRAMIDS , *GERMPLASM , *NATURAL immunity - Abstract
Disease resistance gene pyramiding is a widely used strategy to enhance resistance durability. Marker-assisted selection (MAS) was applied to pyramide the alleles Run1 and Ren3, which confer resistance against grape powdery mildew (Erysiphe necator). Two F1 full-sibs carrying Run1 and Ren3 in heterozygosity were selfed to develop the breeding populations used in the analysis. From the 637 genotyped plants, 313 (50.6%) had the Run1 and Ren3 pyramided. Seven (1.1%) of them exhibited the two resistance alleles in homozygosity. Plants without any resistance alleles had the highest disease severity (X̅ = 7.3), while the ones with the Run1 allele both in homozygosity and heterozygosity were highly resistant (X̅ = 1.5). Similar level of resistance was observed in the plants containing Run1 and Ren3 pyramided (X̅ = 1.3). Plants containing Run1 and Ren3 pyramided in homozygosity are important genetic resources for grape breeding programs in Brazil. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
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