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53 results on '"WHEAT"'

1. ANÁLISE E DETERMINAÇÃO DA UMIDADE DE EQUILÍBRIO HIGROSCÓPICO DE GRÃOS E DA FARINHA DE TRIGO NA TEMPERATURA DE 50 ºC.

Author

de Carvalho, Danieli, Schwanz da Silva, Fabrício, Dias Faria da Silva, Evelyn Caroline, and da Silva Antunes, Vagner Mauricio

Subjects
BIODEGRADATION, PLANT products, FARM produce, WATER vapor, HUMIDITY, WHEAT
Abstract

Copyright of Revista Foco (Interdisciplinary Studies Journal) is the property of Revista Foco 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
2024
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2. MANEJO DO NITROGÊNIO PARA A CULTURA DO TRIGO. II - FONTES E FRACIONAMENTO DA ADUBAÇÃO NITROGENADA EM COBERTURA.

Author

Osmar Jadoski, Sidnei, dos Santos Lima, Adenilsom, Figueira Vantini, Eloane, Birck Lopes de Matos, Karin Kamila, Milena Pereira, Paola, Luiz de Oliveira, Anderson, Rios, Monika, and Grosko, Simone

Subjects
DOSE fractionation, WATER supply, WHEAT, AGRONOMY, IRRIGATION
Abstract

Copyright of Revista Foco (Interdisciplinary Studies Journal) is the property of Revista Foco 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
2024
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3. CRESCIMENTO DE PLANTAS DE TRIGO ORIUNDAS DE SEMENTES, DE ALTO E BAIXO VIGOR, TRATADAS COM AMINOÁCIDOS.

Author

Dörr, Caio Sippel, de Almeida, Tainan Lopes, Camara, Aline Miura, Prates, Jeferson Furtado, and Panozzo, Luis Eduardo

Subjects
WHEAT, AMINO acids, COMMERCIAL products, PLANT metabolism, GROWTH rate
Abstract

Copyright of Engenharia na Agricultura is the property of Engenharia na Agricultura 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
2019
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4. Duração do período de formação do grão em trigo Duration of the grain filling period in wheat

Author

E.A. Osório and W. Wendt

Subjects
trigo, Triticum aestivum, formação do grão, cultivar, wheat, Agriculture (General), S1-972
Abstract

Admitindo a existência de correlação positiva entre o tempo de enchimento dos grãos e a produtividade, foi estudada a duração do período de formação dos grãos em cultivares brasileiras de trigo. Os resultados obtidos demonstram existir grande variação entre cultivares na duração deste período, o qual mostrou-se menor nas cultivares tardias de ciclo vegetativo longo. Destacaram-se, por possuírem longo período de formação dos grãos, as cultivares super-precoces SB 7519, CEP 7596 e IAS 58; as cultivares precoces Jacui, PF 75171, CNT 9, PEL 72393, Frontana, PAT 7392, IAS 54, Coxilha, Cotiporã e Nobre e as cultivares de ciclo intermediário CNT 8 e PEL 72390. Nenhuma cultivar tardia dentre as testadas evidenciou longo período do espigamento à colheita.Assuming positive correlation between the grain filling period duration and yield this character was studied for 38 Brazilian wheat cultivare. Results demonstrate a great variation in the gram filling period duration that was shorter in late than hi earlier cultivars. The following earlier and semi-late cultivare had the longest grain filling period: SB 7519, CEP 7596, IAS 58, Jacui, PF 75171, CNT 9, PEL 72393, Frontana, PAT 7392, IAS 54, Coxilha, Cotiporã, Nobre CNT 8 and PEL 72390. None of the tested late cultivars has shown a long period from heading to harvest.

Published
1995
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5. Uso do germoplasma da Embrapa nos programas de melhoramento de trigo no Brasil.

Author

Caierão, Eduardo, Scheeren, Pedro Luiz, Só e Silva, Márcio, Lima de Castro, Ricardo, and Cargnin, Adeliano

Subjects
*WHEAT, *PLANT breeding, *CULTIVARS, *PLANT germplasm
Abstract

The wheat breeding program of Embrapa has an important role in the history of this cereal in Brazil, releasing more than one hundred new cultivars to different regions of the country in almost forty years of existence. However, is not possible assign its importance only to the number of cultivars, but also the impact of their germplasm in other brazilian wheat breeding programs. The objective of this study was to quantify the importance of Embrapa's germplasm in the brazilian wheat breeding programs. Were analyzed the genealogies of all wheat cultivars indicated for growth since 2005 and 2012, by institution. During the study period, the average participation of Embrapa's germplasm on cultivars of other institutions was 58.7%, with emphasis to Biotrigo Genética, CCGL TEC and OR Melhoramento de Sementes Ltda, respectively, in which use was 100%, 97.5% and 87.7%. [ABSTRACT FROM AUTHOR]

Published
2014

6. Perdas econômicas vinculadas às etapas de beneficiamento de milho e trigo, em unidade cooperativa do norte do Paraná.

Author

Kolling, Evandro Marcos, Trogello, Emerson, and Modolo, Alcir José

Subjects
WHEAT, CORN, GRAIN, FARM management, FERTILIZERS
Abstract

Copyright of Revista Agro@mbiente On-line is the property of Revista Agro@mbiente On-line 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
2012
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7. Translocações cromossômicas entre trigo e espécies relacionadas e seu potencial uso no melhoramento genético.

Author

Casassola, Alice and Brammer, Sandra Patussi

Subjects
DNA, PLANT chromosomes, PLANT species, PLANT genetics, WHEAT, PLANT breeding, AGRONOMY
Abstract

Copyright of Revista Brasileira de Biociencias is the property of Revista Brasileira de Biociencias 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
2012

8. Crescimento radicular em sementes de trigo e arroz tratadas com bioativador.

Author

Macedo, Willian Rodrigues and De Camargo e Castro, Paulo Roberto

Subjects
*WHEAT, *RICE, *ROOT growth, *GERMINATION, *THIAMETHOXAM, *MINIRHIZOTRONS, *GREENHOUSE plants
Abstract

This research aimed to evaluate the initial root growth of wheat and rice subjected to increasing doses of thiamethoxam, the doses were 0; 8.75; 17.5; 35 e 70 g a.i. per 100 kg of seeds for wheat and 0; 17.5; 35; 70 e 105 g a.i. per 100 kg of seeds for rice, applied in seeds and to growing in mini-rhizotrons placed at greenhouse. Daily evaluations began after the emergence of the root, for ten days. The bio-activator showed great variability in the response of daily root growth, when the effect was significant the increasing doses led to length reductions. [ABSTRACT FROM AUTHOR]

Published
2012

9. Caracterização do cultivo de trigo na região norte do Estado do Rio Grande do Sul através das estimativas oficiais de área cultivada, produção e rendimento de grãos.

Author

Junges, Amanda Heemann, Fontana, Denise Cybis, and de Melo, Ricardo Wanke

Subjects
*WHEAT, *CROPPING systems, *GRAIN harvesting, *CLUSTER analysis (Statistics)
Abstract

This study aimed to characterize the wheat crop in north region of Rio Grande do Sul State, Brazil. It was used data set from official wheat cropping area, grain production and yield, from 2000 to 2008, to the shires that compose the regions of Caxias do Sul, Erechim, Passo Fundo, Ijuí and Santa Rosa. The data set was obtained from Instituto Brasileiro de Geografia e Estatística (IBGE). Considering winter cereals cropping areas, wheat are the main crop established in the regions during the autumn-winter-spring season. Cropping area estimations indicated that the analyzed regions concentrate the wheat production. The regions produced more than 80% of state wheat grain production. Since the technological trends weren't registered, the variations in the regional wheat yield were associated with the meteorological conditions during crop cycle. In Rio Grande do Sul State, there was a wheat yield variation in east-west direction: higher yields and low variation coefficients were obtained in the eastern portion (Caxias do Sul and Erechim). The cluster analysis identified tree groups of shires with similar wheat yield: low yield (average 1.444kg ha-1), medium yield (1.746kg ha-1) and high yield (2.283kg ha-1). [ABSTRACT FROM AUTHOR]

Published
2012

10. Propriedades físicas e tecnológicas de farinha de trigo tratada com terra diatomácea.

Author

Freo, Janete Deliberali, Dias de Moraes, Lidiane Borges, Colussi, Rosana, Mossmann, Juliane, Elias, Moacir Cardoso, and Gutkoski, Luiz Carlos

Subjects
*WHEAT, *ALVEOGRAPHS, *BAKING, *DIATOMACEOUS earth, *FLOUR, *FARINOGRAPHS
Abstract

Although there are many studies on the application of diatomaceous earth for insect control in wheat grains, the information about the residue that remains in the flour after grinding, even with partial removal in the cleaning step, and if this changes the technological quality are restricted. The objective of this study was to evaluate the physical and functional properties of wheat flour treated with diatomaceous earth. Diatomaceous earth of two commercial brands codified as DE1 and DE2, were used. Wheat flour type I was purchased at the local market. DE1 and DE2 were added in doses zero, 0.5, 1.0 and 2.0g kg-1 of wheat flour, homogenized in a blender and the analysis of falling number, alveography, farinograph, color analysis and experimental baking test were carried out. The results were analyzed by Analysis of variance and comparisons of means by Tukey's test at 5% significance level. The diatomaceous earth added in doses up to 2g kg-1 directly into the flour affects the physical and functional properties. The alveograph is effective to predict changes in physical properties of wheat flour. The changes more pronounced in wheat flour physical properties are color component lightness and gluten strength (W), while in the baking test were points score and crumb color component lightness. [ABSTRACT FROM AUTHOR]

Published
2011
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11. Aspectos quantitativos e qualitativos do grão de trigo influenciados por nitrogênio e lâminas de água.

Author

Boschini, Ana P. M., Silva, Cícero L. da, Oliveira, Carlos A. da S., Oliveira Júnior, Manuel P. de, Miranda, Martha Z. de, and Fagioli, Marcelo

Subjects
WHEAT, EFFECT of nitrogen on plants, WATER depth, QUANTITATIVE research, IRRIGATION, FERTILIZERS, CROP yields, EXPERIMENTAL design
Abstract

Copyright of Revista Brasileira de Engenharia Agricola e Ambiental - Agriambi is the property of Revista Brasileira de Engenharia Agricola e Ambiental 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
2011
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12. Envelhecimento acelerado em sementes de trigo.

Author

Pedroso, Daniele Cardoso, Tunes, Lilian Madruga, Barbieri, Ana Paula, Barros, Antonio Carlos Souza Albuquerque, Muniz, Marlove Fátima Brião, and Menezes, Vanessa Ocom

Subjects
*SEED research, *WHEAT, *GERMINATION, *AGING, *PLANT physiology, *SALT
Abstract

This research aimed to study procedures for conducting the accelerated aging test to determine the physiological potential of wheat seeds. The experiment was conducted with four varieties: 'Pampeano', 'Sapphire', Onyx' and 'Jasper'. Tests were performed with water content, germination, seedling emergence, speed of emergence and accelerated aging. The accelerated aging test was conducted in three stages: traditional (water), test using saturated NaCl solution (11g of NaCl per 100mL of water) and with the use of supersaturated solution of NaCl (40g of NaCl per 100mL of water), each for 48, 72 and 96h at 42°C. The accelerated aging test with saturated solution of NaCl, within 96h was suitable to evaluate the physiological potential of seeds of wheat in high, medium and low vigor. [ABSTRACT FROM AUTHOR]

Published
2010
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13. Desenvolvimento vegetativo e reprodutivo de cultivares de trigo e sua associação com a emissão de folhas.

Author

Walter, Lidiane Cristine, Streck, Nereu Augusto, Rosa, Hamilton Telles, Alberto, Cleber Maus, and de Oliveira, Felipe Brendler

Subjects
*WHEAT, *CULTIVARS, *PLANT development, *PLANT reproduction, *VEGETATIVE propagation, *EXPERIMENTAL agriculture, *REGRESSION analysis
Abstract

The objective of this study was to determine the relationship between the duration of vegetative, reproductive and total developmental cycle with the main stem final leaf number and with the main stem leaf appearance rate in Brazilian wheat cultivars, varying the sowing date. A field experiment was carried out in Santa Maria, RS, in 13 sowing dates during three years (2005, 2006 and 2007). Six wheat genotypes with developmental cycle varying from early to late were used: BRS LOURO, CEP 52, BRS 177, CEP 51, NOVA ERA, and BRS TARUMÃ. For each cultivar and sowing date, the duration, in °C day, of the vegetative (emergence - anthesis), reproductive (anthesis - physiological maturity) phases, and total developmental cycle (emergence - physiological maturity), the main stem final leaf number and the phyllochron (time interval between the appearance of two successive leaves) were determined. The relationship between these variables was tested through a regression analysis. The results indicate that the duration of total developmental cycle of wheat is directly related with the duration of the vegetative phase and not with the duration of the reproductive phase, which was similar among cultivars. The duration of the vegetative phase is related with main stem final leaf number and not with leaf appearance rate. [ABSTRACT FROM AUTHOR]

Published
2009
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14. PRÉ-ESFRIAMENTO PARA SUPERAÇÃO DA DORMÊNCIA DE SEMENTES DE TRIGO COLHIDAS NA ÉPOCA DA MATURIDADE.

Author

DE ASSIS FRANCO, FRANCISCO, PINTO, RONALD JOSÉ BARTH, SCAPIM, CARLOS ALBERTO, SCHUSTER, IVAN, VIGANO, JOSELAINE, MARCHIORO, VOLMIR SERGIO, and DE LUCCA E. BRACCINI, ALESSANDRO

Subjects
*SEED dormancy, *DORMANCY in plants, *GERMINATION, *WHEAT, *SEED physiology, *PLANT breeding, *CULTIVARS, *PLANT physiology
Abstract

The wheat breeding program has generated an expressive number of cultivars which differ in sprouting rate of seed still attached to the spike. In order to assess these differences, an experiment was carried out with seeds harvested from two locations, Palotina and Cascavel, in Paraná State, Brazil, consisting of twelve cultivars in a randomized block design with four replications. Seeds were harvested at physiological maturity, in which one sample was submitted to a pre-chilling period to overcome seed dormancy, while the other was untreated (control). Seeds which did not germinate, were submitted to the tetrazolium test to detect dormancy occurrence. Results showed that in both locations the germination percentage of 'Frontana' and 'IAPAR 53' seeds was extremely low, indicating the presence of a significant number of dormant seeds. The method to overcome dormancy from the Palotina samples was not efficient to result in a complete seed germination. On the other hand, pre-chilling of samples harvested in Cascavel resulted in complete seed germination. The dormancy phenomenon detected in both 'Frontana' and 'IAPAR 53' seeds seemed to be efficient in preventing germination of seeds still attached to the spike at physiological maturity. [ABSTRACT FROM AUTHOR]

Published
2009
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15. Superação da resistência qualitativa da cultivar de trigo 'BRS 194' por uma nova raça de Puccinia triticina.

Author

Chaves, Márcia Soares, Wesp, Caroline de Lima, Barcellos, Amarilis Labes, Scheeren, Pedro Luiz, Só e Silva, Márcio, and Caierão, Eduardo

Subjects
*WHEAT, *MANAGEMENT science, *AGRICULTURE, *AGRICULTURAL industries, *FARM law, *FARM management, *RESEARCH
Abstract

The population of Puccinia triticina, the causal agent of wheat leaf rust, is extremely dynamic in the South Cone region of South America, where the appearance of new races is frequent. The wheat cultivar 'BRS 194' was the second variety in availability of seeds for planting in Rio Grande do Sul and Santa Catarina States in 2005, because it has good agronomic characteristics as rusticity, high yield and resistance to all races of P. triticina occurring in Brazil and other countries in South America. In 2005, pustules of leaf rust were observed in this cultivar on farms and in experimental fields, indicating the probable breakdown of its resistance. The objective of this research was to identify the race of P. triticina present in samples from 'BRS 194' and verify if it was a new virulence of the pathogen able to overcome its resistance. Eight samples of leaf rust from 'BRS 194' were sent to Embrapa - National Wheat Research Center, Passo Fundo, Brazil for isolation and identification in International Sets of Differential Hosts specific for this pathogen. All samples showed the same virulence combination, which corresponded to MFP-CT according to the North-American System of nomenclature for the pathogen's races. That was the first time that this letter code was detected in Brazil, characterizing the emergence of a new race of P. triticina virulent to 'BRS 194'. Other popular varieties were inoculated with the new race, some were susceptible and others were resistant. Among the resistant cultivars were 'Fundacep 30' and 'IPR 84', which also remain resistant to all races of the pathogen occurring in Brazil. [ABSTRACT FROM AUTHOR]

Published
2009

16. Umidade de colheita, métodos de secagem e tempo de armazenamento na qualidade tecnológica de grãos de trigo (cv. 'Embrapa 16').

Author

Moacir Cardoso Elias, Vanessa Lopes, Luiz Carlos Gutkoski, Oliveira, Maurício, Mazzutti, Simone, and Dias, Alvaro Renato Guerra

Subjects
*AGRICULTURAL research, *MOISTURE, *AGRICULTURE, *GRAIN, *WHEAT, *LIFE sciences
Abstract

The objective of this research was to study the harvest moisture and drying method systems as a function to storage period on the conservability and technological quality of wheat. Grains of wheat (Triticum aestivum L), cultivar 'Embrapa 16', produced in the Granja Bretanhas, in Jaguarão, RS, agricultural harvest of 1997/1998 were harvested dry in the plant (14% of moisture), with 16 and 18% of moisture. The samples harvested with moisture of 16 and 18% were submitted to artificial drying by intermittent method, with air at 70°C, stationary, with air at 45°C; and stationary, at room temperature. The grains were stored in a conventional system, during 12 months, with the realization of evaluations at 4 month intervals. Wheat grains harvested dry shown inferior technological quality and conservability in storage as compared to harvested with moisture above 14% and dry at artificial dryer. [ABSTRACT FROM AUTHOR]

Published
2009
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17. Caracterização de alelos de gluteninas de alto peso molecular, influência sobre a qualidade de uso final de trigo no Brasil e análise de marcadores moleculares

Author

VANCINI, C. and CAMILA VANCINI.

Subjects
Engenharia Genética, Wheat, Genetic engineering, HMW-GS, Trigo, Marcador Molecular, Triticum Aestivum, Panificação, Escore Glu-1, Baking
Abstract

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Published
2019

18. Práticas culturais no manejo do mosaico-comum do trigo no Brasil

Author

STEMPKOWSKI, L. A. and LUCAS ANTONIO STEMPKOWSKI.

Subjects
Wheat stripe mosaic vírus, Nutrição Vegetal, Wheat, Plant diseases and disorders, Doença de Planta, Trigo, Polymyxa Graminis, Plant nutrition, Triticum Aestivum
Abstract

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Published
2019

19. Caracterização fenotípica, mapeamento de QTL e análise de expressão de genes-candidatos de resistência de trigo a Magnaporthe oryzae

Author

FERREIRA, J. R. and JÉSSICA ROSSET FERREIRA.

Subjects
Pyricularia Oryzae, Brusone, Pyricularia, Wheat, Genetic resistance, Trigo, Resistência Genética, Triticum Aestivum
Abstract

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Published
2019

20. Eficiência de fontes de fertilizantes no crescimento inicial da cultura do trigo

Author

MUMBACH, G. L., GATIBONI, L. C., DE BONA, F. D., BONFADA, E. B., GABRIEL, C. A., GILMAR LUIZ MUMBACH, LUCIANO COLPO GATIBONI, FABIANO DANIEL DE BONA, CNPT, ÉLCIO BILIBIO BONFADA, and CAMILA ADAIME GABRIEL.

Subjects
Adubação, Matéria seca, Wheat, Fertlilizers, Trigo, Fertilizante, Triticum Aestivum, Organomineral
Abstract

FertBio 2016.

Published
2016

22. Teste de envelhecimento acelerado em sementes de trigo

Author

OHLSON, O. de C., KRZYZANOWSKI, F. C., CAIEIRO, J. T., PANOBIANCO, M., OSVALDO DE CASTRO OHLSON, CLASPAR, FRANCISCO CARLOS KRZYZANOWSKI, CNPSO, JULIANA TEREZINHA CAIEIRO, CLASPAR, and MARISTELA PANOBIANCO, UFPR.

Subjects
Seeds, Wheat, Triticum aestivum, Trigo, Semente
Published
2010

23. Doses de nitrogênio e formas de uréia na produtividade e qualidade fisiológica de sementes de trigo CV. BRS Pardela

Author

PRANDO, A. M., ZUCARELI, C., FRONZA, V., BASSOI, M. C., OLIVEIRA, F. A., TOMANAGA, R. R., A. M. PRANDO, UEL, C. ZUCARELI, UEL, VANOLI FRONZA, CNPSo, MANOEL CARLOS BASSOI, CNPSo, FABIO ALVARES DE OLIVEIRA, CNPSo, and R. R. TOMANAGA, UEL.

Subjects
SuperN, Kim Coat, Wheat, Triticum aestivum, Germinação, Seed quality, Trigo, Qualidade da semente, Semente
Abstract

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Published
2009

24. Atividade de glutationa S-transferase na metabolização de acetochlor, atrazine e oxyfluorfen em milho (Zea mays L.), sorgo (Sorghum bicolor L.) e trigo (Triticum aestivum L.) (Poaceae)

Author

Cataneo, Ana Catarina [UNESP], Chamma, Karina Luiz [UNESP], Ferreira, Leonardo Cesar [UNESP], Gomes Déstro, Guilherme Fernando [UNESP], Carvalho, José Claudionir, Barbosa Novelli, Ethel Lourenzi [UNESP], Universidade Estadual Paulista (Unesp), and Rohm and Haas Química Ltda.

Subjects
aerosol, water, Triticum aestivum, plant, maize, Poaceae, Zea mays, 2.00.00.00-6 Ciências Biológicas, herbicide, wheat, glutathione transferase, herbicidas, Selectivity, controlled study, time, Triticum, degradation, evaluation, nonhuman, glutationa S-transferase, experiment, Herbicides, seletividade, Zea, acetochlor, Sorghum bicolor, unclassified drug, Glutathione S-transferase, plant metabolism, reaction analysis, oxyfluorfen, sorghum, atrazine
Abstract

This experiment was conducted to evaluate the acetochlor, atrazine and oxyfluorfen herbicides plant selectivity, in relation to glutathione S-transferase activity (GST) in maize (Zea mays L.), sorghum (Sorghum bicolor L.) and wheat (Triticum aestivum L) (Poaceae) plants. GST activity was detected 24, 48 and 72 hours after treatment applications. The experiment's treatments consisted of spraying plants with water (control), acetochlor (3 L.ha-1)`, atrazine (4 L.ha-1) and oxyfluorfen (1 L.ha-1). The highest GST activities were observed in presence of acetochlor, mainly at 48 hours after treatment. These increments were 105, 148 and 118% when compared to maize, sorghum and wheat control groups, respectively. It is suggested that the GST may have a role in acetochlor degradation and it may be a reason for this herbicide's selectivity in these crops. Este experimento foi conduzido para avaliar a seletividade em plantas dos herbicidas acetochlor, atrazine e oxyfluorfen em relação à atividade da glutationa S-transferase (GST) em plantas de milho (Zea mays L.), sorgo (Sorghum bicolor L.) e trigo (Triticum aestivum L.) (Poaceae). A atividade da GST foi detectada às 24, 48 e 72 horas após as aplicações dos tratamentos. Os tratamentos do experimento consistiram de aplicação com água (controle), acetochlor (3 L.ha-1), atrazine (4 L.ha-1) e oxyfluorfen (1 L.ha-1). As maiores atividades de GST foram observadas na presença de acetochlor, principalmente às 48 horas após o tratamento. Esses aumentos foram 105, 148 e 118% em relação ao controle para milho, sorgo e trigo, respectivamente. É sugerido que a GST pode ter papel na degradação de acetochlor e pode ser uma das razões para a seletividade desse herbicida para essas culturas.

Published
2008

25. Estimativa de coeficientes de correlação e trilha em gerações segregantes de trigo hexaplóide

Author

HARTWIG, I., CARVALHO, F. I. F. de, OLIVEIRA, A. C. de, VIEIRA, E. A., SILVA, J. A. G. da, BERTAN, I., RIBEIRO, G., FINATTO, T., REIS, C. E. S. dos, BUSATO, C. C., Irineu Hartwig, UFPel, Fernando Irajá Félix de Carvalho, UFPel, Antônio Costa de Oliveira, UFPel, Eduardo Alano Vieira, CPAC, José Antônio Gonzales da Silva, UFPel, Ivandro Bertan, UFPel, Guilherme Ribeiro, UFPel, Taciane Finatto, UFPel, Cecília Estima Sacramento dos Reis, UFPel, and Cyriano Cardoso Busato, UFPel.

Subjects
wheat, quantitative genetics, Genética quantitativa, Herdabilidade, Trigo, heritability, Triticum Aestivum
Abstract

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Published
2007

26. Sementes de trigo e de soja para uso próprio de agricultores: 2. Qualidade física e fisiológica e perfil das cultivares

Author

ACOSTA, A., EICHELBERGER, L., PIRES, J. L. F., PEREIRA, F. T. F., CARVALHO, O. S., ADAO DA SILVA ACOSTA, CNPT, LUIZ EICHELBERGER, CNPT, JOAO LEONARDO FERNANDES PIRES, CNPT, FRANCISCO TENORIO FALCAO PEREIRA, SPM - E. Passo Fundo, and OROZIMBO SILVEIRA CARVALHO.

Subjects
Glycine Max, Soja, Wheat, Seeds, Trigo, Soybeans, Semente, Triticum Aestivum
Abstract

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Published
2006

27. Produtividade de trigo e soja em Latossolo Vermelho distrófico sob erosão simulada e causada pela chuva

Author

GAERTNER, C., DEDECEK, R. A., BISCAIA, R. M., and Renato Dedecek, Embrapa Florestas.

Subjects
Propriedade Físico-Química, wheat, Solo, Glycine Max, Soja, Erosão, Erosion, Trigo, Tritictum aestivum, Propriedade físico-química do solo, Triticum Aestivum, soil
Abstract

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Published
2003

28. Detecção de genes de resistência a Septoria tritici Rob. em trigo [Triticum aestivum (L.)]

Author

Jorge Omar Gieco, Camargo, Luis Eduardo Aranha, and Luis Eduardo Aranha Camargo

Subjects
Genetic Markers, Septoria tritici, Triticum aestivum, Mancha Foliar, Trigo, Marcadores Genéticos, Fenología, Resistencia a la Enfermedad, Phenology, Wheat, Enfermedades de las Plantas, Mycosphaerella graminicola, Plant Diseases, Disease Resistance
Abstract

Tesis para obtener el grado de Doctor en Agronomía, Area Genética y Mejoramiento de Plantas, de la Universidade de Sao Pablo, en junio de 2002 A mancha foliar provocada por Septoria tritici Rob. é uma das principais doenças do trigo em mais de 50 países, sendo responsável por significativas reduções na produtividade desta cultura. Os objetivos do presente trabalho foram: (i) Estudar a interação resistência x estádio fenológico no patosistema trigo - Septoria tritici em 77 progênies F11 de trigo derivadas do cruzamento triplo Tadinia x (Yecora rojo x UC554); (ii) Determinar se existe especialização fisiológica em isolados de Septoria tritici originários de Argentina e EUA através da análise de sua patogenicidade em cultivares e linhagens de trigo (Triticum aestivum; (iii) Avaliar a resistência a Septoria tritici em progênies F11 de trigo derivadas do cruzamento Tadinia x (Yecora rojo x UC554) em diferentes estádios fenológicos visando posterior análise com marcadores moleculares e (iv) Detectar genes de resistência a Septoria tritici através de marcadores microssatélites e AFLPs nestas progênies. A técnica de mapeamento empregada foi a do Bulked Segregant Analysis, ou análise da mistura de DNA de indivíduos segregantes. Os agrupamentos (extremos) foram constituídos com base em avaliações da resistência realizadas em casa de vegetação e campo, envolvendo três estádios fenológicos: plântula, perfilhamento e folha bandeira e dois anos agrícolas (1999 - 2000). Os extremos foram analisados com marcadores microssatélites e AFLPs. Foram feitos testes com 307 primers de microssatélites pertencentes às séries wms e wmc, selecionando 262 primers polimórficos. Na análise com marcadores AFLPs, foram utilizadas combinações de dois primers seletivos Pst I com dez primers Msel. Foram detectadas diferenças altamente significativas (p ≤ 0,0001) entre progênies para área foliar lesionada (AFL) em todos os estádios fenológicos estudados. Análises de variância conjuntas para AFL indicaram uma interação significativa entre progênies e estádios fenológicos (p ≤ 0,0001), indicando a necessidade de se avaliar a resistência em mais de um estádio fenológico para garantir correta seleção de genótipos resistentes. Foram detectadas variações na agressividade entre isolados de Septoria tritici e especialização fisiológica dos mesmos, sugerindo a necessidade de testes de patogenicidade como uma prioridade na seleção de materiais de trigo resistentes a este patógeno, já que a agressividade de cada isolado pode variar significativamente de acordo com o genótipo do hospedeiro, acarretando problemas na avaliação e seleção de genótipos resistentes. Não foi possível detectar genes de resistência na população Tadinia x (Yecora rojo x UC554). Três fatores podem ser apontados como responsáveis por este insucesso: 1) população de mapeamento derivada de cruzamento triplo; 2) presença de progênies não pertencentes ao cruzamento (fora do tipo) e 3) comportamento não esperado do parental UC554 em relação à resistência a Septoria tritici. Leaf blotch caused by Septoria tritici Rob. is one of the most important diseases of wheat in more than 50 countries, being responsible for significant yield losses. The objectives of the present work were: (i) To study the interaction between resistance x phenological stage in the pathosystem wheat - Septoria tritici in 77 F11 progenies of wheat derived from the three-way cross Tadinia x (Yecora rojo x UC554); (ii) To Determine the degree of physiologic specialization among Argentinean and USA isolates of Septoria tritici through inoculation on cultivars and lines of bread wheat (Triticum aestivum L.); (iii) To evaluate the resistance to Septoria tritici in F11 wheat progenies derived from the three-way cross Tadinia x (Yecora rojo x UC554) in different phenological stages seeking the subsequent analysis with molecular markers, and (iv) To detect resistance genes to Septoria tritici through microsatellites and AFLP markers. The mapping technique used was Bulked Segregant Analysis, or analysis of mixtures of DNA of segregant individuals. Bulk extremes were composed based on greenhouse and field disease assessments made in three phenological stages: seedling, tillering and flag leaf, and two years (1999-2000). Resistant and susceptible extremes were analyzed with microsatellites and AFLP markers. 307 microsatellite primers belonging to the series wms and wmc were used, from which 262 polymorphic ones were chosen for further analysis. In the analysis with AFLP markers, combinations of two Pstl with ten Msel selective primers were used. Highly significant differences for damaged leaf area were found (p ≤ 0.0001) among progenies in all phenological stages studied. Joint analyses of variance for DLA indicated a highly significant interaction between progenies and phenological stages (p ≤ 0.0001), indicating the need to evaluate resistance in more than one phenological stage to guarantee the correct selection of resistant genotypes. Variations in aggressiveness among strains of Septoria tritici were detected, indicating the need of pathogenicity tests as a priority in the selection of resistant wheat materials, since the aggressiveness of each isolate can vary significantly depending on the host genotype. It was not possible to detect resistance genes in the population Tadinia x (Yecora rojo x UC554). Three factors can be pointed as responsible for this failure 1) Employment of a three way cross mapping population; 2) Presence of out-of- type progenies, and 3) Unexpected behavior of UC554 when inoculated with Septoria tritici. EEA Manfredi Fil: Gieco, Jorge Omar. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Manfredi; Argentina

Published
2002

29. Práticas culturais e incidência de manchas foliares em trigo

Author

PRESTES, A. M., SANTOS, H. P. dos, and REIS. E. M.

Subjects
wheat, Rendimento, Grãos, Doenças das plantas, Manejo do Solo, Sistema de Cultivo, Triticum Aestivum
Abstract

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Published
2002

30. Variação nos níveis de prolina, diamina e poliaminas em cultivares de trigo submetidas a déficits hídricos

Author

FUMIS, T. de F. and PEDRAS, J. F.

Subjects
wheat, Putrescina, Drought stress, spermine, Espermidina, spermidine, Estresse hídrico, putrescine, Espermina, Triticum Aestivum
Abstract

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Published
2002

31. Resposta ao calcário e ao fósforo de genótipos de trigo com diferentes tolerâncias ao alumínio

Author

João Carlos Felício, A. W. P. Ferreira Filho, Heitor Cantarella, J. G. de Freitas, Valdir Josué Ramos, C. E. de O. Camargo, and A. Pettinelli Junior

Subjects
Phosphate fertilizers, Agriculture (General), liming, chemistry.chemical_element, engineering.material, genótipo, S1-972, adubação fosfatada, Nutrient, Aluminium, Soil pH, Cultivar, lcsh:Agriculture (General), Triticum Aestivum, Lime, wheat, Adubação, Chemistry, Phosphorus, Calagem, lcsh:S1-972, Agronomy, calagem, engineering, Animal Science and Zoology, Agronomy and Crop Science, Plant nutrition
Abstract

O objetivo do trabalho foi avaliar a resposta, à calagem e ao fósforo, de quatro genótipos de trigo com diferentes tolerâncias à acidez do solo. Os experimentos foram instalados de 1987 a 1995 em um cambissolo ácido e de baixa fertilidade, sem irrigação e após pousio ou soja. O delineamento foi de blocos, em parcela subsubdividida, com quatro repetições. A parcela constou de três doses de calcário (0, 6,5 e 13 t ha-1); a subparcela, de três doses de P (0, 30 e 90 kg ha-1 de P2O5), e as subsubparcelas, de quatro genótipos (IAC-5, IAC-24, IAC-60 e Anahuac). O calcário foi aplicado no primeiro ano (1987) e reaplicado em 1991, e o P, anualmente, no sulco de semeadura. Os genótipos de trigo tolerantes à acidez (IAC-5 e IAC-60) se mostraram mais responsivos à calagem e à aplicação de P e, mesmo em solos parcialmente corrigidos, apresentaram maiores rendimentos de grãos do que o material sensível à acidez (Anahuac). A correção da acidez e a adubação fosfatada provocaram a diminuição da relação palha:grão por favorecer mais a produção de grãos do que o desenvolvimento vegetativo. Essa relação foi menor e mais constante no genótipo IAC-60, tolerante à acidez. Os genótipos IAC-5 e IAC-60 mostraram-se mais eficientes em relação ao aproveitamento do P aplicado para o rendimento de grãos em solos de baixa fertilidade.

Published
2000

32. Influência do manejo do solo e da rotação de culturas na qualidade industrial do trigo

Author

GUARIENTI, E. M., SANTOS, H. P. dos, and LHAMBY, J. C. B.

Subjects
storage, wheat, Grão, fumigation, Fumigação, Grain, Pest, Praga, Armazenamento, Triticum Aestivum
Abstract

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Published
2000

33. Ganhos em características morfológicas por seleção em populações de trigo

Author

Aluízio Borém and José Elzevir Cavassim

Subjects
Agriculture (General), wheat, Triticum aestivum, Animal Science and Zoology, altura de plantas, lcsh:Agriculture (General), trigo, ganho por seleção, lcsh:S1-972, Agronomy and Crop Science, selection gain, S1-972, plant height
Abstract

Foram estimados os ganhos por seleção para três características agronômicas em trigo (Triticum aestivum L.): altura de plantas, número de grãos por espiga e comprimento de espigas. Os estudos foram realizados em Viçosa, MG, em cruzamentos entre as seguintes variedades: BH 1146 e BR 24, de porte alto, BR 12 e EMBRAPA 22, de porte baixo, constituindo um dialelo balanceado, sem as autofecundações, totalizando seis populações distintas. As avaliações foram feitas nas gerações F3 e F4. Na geração F3, foi realizada a seleção de plantas individuais, baseando-se na altura de plantas. Coletaram-se as vinte plantas mais baixas e as vinte mais altas em cada população, as quais foram submetidas ao teste de progênies na geração F4, onde foi efetuada a predição dos ganhos genéticos, adotando-se três diferentes procedimentos: seleção entre famílias, seleção dentro de famílias e seleção massal. Além destes procedimentos, foram testadas diferentes intensidades de seleção, que variaram de 5 a 25%, visando ao acréscimo ou decréscimo da característica e da população em questão. Os ganhos obtidos diferiram entre as populações e procedimentos. Os resultados sugerem que existe a possibilidade de se efetuar a seleção e obter ganhos genéticos, em todas as características. O procedimento que permitiu maiores ganhos foi o da seleção entre famílias e o massal. Gain by selection was estimated for three traits, in six wheat populations (Triticum aestivum L.) evaluating: plant height, number of grains per spike and spike length. The study was conducted in Viçosa, MG, Brazil in crosses made between the varieties: BH 1146 and BR 24, of high stature, BR 12 and EMBRAPA 22, of short stature, consisting of a balanced diallel, without self pollination. The evaluations were made in the generations F3 and F4. In generation F3, the selection of individual plants was accomplished based on plant height. The 20 tallest plants and the 20 shortest were harvested in each population, and submitted to a progeny test in generation F4. Predictions of genetic gains, were obtained using three simulations: selection among families, selection within families and mass selection. The selection differential varied from 5 to 25%. The gains showed great variation among populations and procedures. The results suggested the possibility of gains in the selection of all characteristics. The procedure that showed the highest gain was the selection among families and mass selection.

Published
1999

36. Resposta diferencial de genótipos de trigo em relação a fósforo no solo

Author

BEN, J. R., DECHEN, A. R., 1 EMBRAPA-CNPT, and 2 USP-ESALQ, Piracicaba.

Subjects
wheat, Phosphorus fertilization, Adubação fosfatada, Melhoramento, plant breeding, Triticum Aestivum
Abstract

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Published
1998

37. Características agronômicas e controle de doenças radiculares de trigo, em rotação com outras culturas de inverno

Author

SANTOS, H. P. dos, LHAMBY, J. C. B., PRESTES, A. M., REIS, E. M., and 1-4 EMBRAPA-CNPT.

Subjects
Rotação de Cultura, Componente do rendimento, yield components, wheat, Doença radicular, tritici, Triticum Aestivum, Gaeumannomyces graminis var, Root disease, Bipolaris sorokiniana
Abstract

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Published
1998

38. Informações sobre os genótipos do bloco de cruzamentos de trigo do CNPT em 1990

Author

SILVA, S. dos A. e, SOUSA, C. N. A. de, SARTORI, J. F., MEDEIROS, M. C., LINHARES, W. I., GOMES, E. P., and 1-6 EMBRAPA-CNPT.

Subjects
wheat, disease resistance, Tolerância a acidez, Melhoramento genético, Genetic breeding, Cultivar, Resistência a doença, Triticum Aestivum
Abstract

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Published
1998

39. Efeito do nitrogênio em trigo cultivado após diferentes sucessões de culturas

Author

PÖTTKER, D., ROMAN, E. S., and 1-2 EMBRAPA-CNPT.

Subjects
wheat, corn, Milho, Soja, Triticum Aestivum, Soybean, soil
Abstract

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Published
1998

41. EMBRAPA 21: nova cultivar de trigo para Minas Gerais, Goiás, Mato Grosso e Distrito Federal

Author

ANDRADE, J. M. V. de, ALBRECHT, J. C., SOUSA, C. N. A. de, BRAZ, A. J. B. P., SOUZA, M. A. de, and 3 EMBRAPA-CNPT.

Subjects
wheat, Brasil, Cerrado, Triticum Aestivum, Variety, Brazil
Abstract

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Published
1998

42. Produtividade do trigo em sucessão a soja não fertilizada em latossolo roxo distrófico

Author

LANTMANN, A. F., OLIVEIRA, M. C. N. de, ROESSING, A. C., and SFREDO, G. J.

Subjects
wheat, Adubação, potassium, Fertilization, soil, Fertilidade, Solo, Fertility, Potássio, Fósforo, Fertilidade do Solo, phosphorus, Triticum Aestivum
Abstract

O presente trabalho foi conduzido para avaliar o potencial de fertilidade de um Latossolo Roxo distrófico do estado do Paraná para o cultivo do trigo, e avaliar a resposta técnica e econômica dessa cultura em sucessão com a soja, em função de doses de fósforo e potássio aplicados no trigo e/ou soja. Para isso, um experimento foi conduzido no Centro Nacional de Pesquisa de Soja/Embrapa, em Londrina, PR, no período de 1990 a 1995. Os seis tratamentos constaram de doses de fósforo e potássio arranjados da seguinte forma: 1) sem fertilizantes para a soja ou trigo; 2) 30 kg/ha de K2O para o trigo; 3) 50 kg/ha de P2O5 para o trigo; 4) 50 kg/ha de P2O5 e 30 kg/ha de K2O para o trigo; 5) 50 kg/ha, de P2O5, e 30 kg/ha de K2O para o trigo, 30 kg/ha de P2O5 e 50 kg/ha de K2O para a soja; 6) 50 kg/ha de P2O5 e 30 kg/ha de K2O para o trigo, e 60 kg/ha de P2O5 e 100 kg/ha de K2O para a soja. Todos os fertilizantes foram aplicados mecanicamente no sulco de semeadura, em todos os anos. O solo LRd manteve o nível de fertilidade, originalmente alto, durante três anos, mesmo quando não se adubou para o cultivo da soja. A aplicação de 50 kg/ha de P2O5 exclusiva para o cultivo do trigo foi suficiente para manter durante seis anos o teor de P no solo acima do nível médio. Detectou-se, no trigo, efeito da adubação praticada para a soja, quando os teores de P e K no solo se aproximaram dos níveis críticos. O retorno econômico produzido pela adubação para o trigo fica maior em relação à não-adubação, quando os níveis de P e K no solo diminuem e se aproximam dos níveis críticos. Made available in DSpace on 2011-04-09T17:14:42Z (GMT). No. of bitstreams: 1 pabmar04.pdf: 1905965 bytes, checksum: ab6af36d2cdac6688d121ff016194e04 (MD5) Previous issue date: 2002-09-04

Published
1997

43. Respostas do trigo à baixa luminosidade e suas implicações com o melhoramento genético

Author

SCHEEREN, P. L., CARVALHO, F. I. F. de, FEDERIZZI, L. C., 1 EMBRAPA-CNPT., and 2-3 UFRGS, Porto Alegre.

Subjects
Característica agronômica, Sombreamento, wheat, Spikeletes, Estresse, Grain number, Grain weight, Plant stature, Triticum Aestivum, tillers
Abstract

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Published
1997

44. Época de suspender as irrigações da cultura do trigo

Author

GUERRA, A. F. and ANTONINI, J. C. dos A.

Subjects
wheat, Tensiômetros, Applied water, Tensão da água no solo, Soil-water tension, Tensiometer, Água aplicada, Triticum Aestivum
Abstract

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Published
1996

45. Efeito da reinoculacao na soja [Glycine max (L.) Merrill] em um solo com populacao estabelecida de Bradyrhizobium com as extirpes SEMIA 566, 586, 587, 5019, 5079 e 5080

Author

NISHI, C. Y. M. and HUNGRIA, M.

Subjects
wheat, Fixacao biologica do N2, Soja, Fertilizante Nitrogenado, Glycine Max, Nodulação, Brasil, Trigo, Biological fixation N2, microbial ecology, Ecologia microbiana, nitrogen metabolism, Metabolismo do N, Nitrogen fertilization, nodulation, Bradyrhizobium, Parana, Soybean, Triticum Aestivum, Brazil
Abstract

Foram conduzidos tres experimentos em um Latossolo Roxo, no Estado do Parana, com populacao de Bradyrhizobium estabelecida (2,21x105 celulas/g de solo, para verificar os efeitos da reinoculacao na soja [Glycine max (L.) Merrill] na fixacao biologica do N2 e na produtividade. Todas as seis estirpes testadas, duas da especie B. japonicum e quatro da especie B. elkanii, foram capazes de se estabelecer na rizosfera, aumentando a porcentagem de ocupacao dos nodulos. Na safra de 92/93 foram obtidos, pela inoculacao, incrementos na produtividade da soja de ate 420 kg/ha, com 13,5% mais de N total nos graos, em relacao ao controle sem inoculacao e com fertilizacao nitrogenada. Quando o trigo (Triticum aestivum L.) foi plantado como cultura de inverno, nas mesmas parcelas, sem receber qualquer adubacao nitrogenada ou inoculacao, observou-se uma correlacao positiva e significativa entre os tratamentos que haviam apresentado taxas mais elevadas de fixacao biologica do N2 e o teor de N total nos graos de trigo. Na safra seguinte (93/94), a reinoculacao na soja, nas mesmas parcelas e com os mesmos tratamentos da safra anterior, tambem promoveu incrementos na produtividade e no N total das plantas. Made available in DSpace on 2011-04-09T17:10:59Z (GMT). No. of bitstreams: 1 pab9607maio.pdf: 1081606 bytes, checksum: 9de81eeaff3601a26fba52508612762b (MD5) Previous issue date: 1996-11-26

Published
1996

46. Duration of the grain filling period in wheat

Author

E.A. Osório and W. Wendt

Subjects
formação do grão, Triticum aestivum, Period duration, Grain filling, Biology, Positive correlation, trigo, Horticulture, Long period, wheat, Animal Science and Zoology, Cultivar, Agronomy and Crop Science, Gram, cultivar
Abstract

Admitindo a existência de correlação positiva entre o tempo de enchimento dos grãos e a produtividade, foi estudada a duração do período de formação dos grãos em cultivares brasileiras de trigo. Os resultados obtidos demonstram existir grande variação entre cultivares na duração deste período, o qual mostrou-se menor nas cultivares tardias de ciclo vegetativo longo. Destacaram-se, por possuírem longo período de formação dos grãos, as cultivares super-precoces SB 7519, CEP 7596 e IAS 58; as cultivares precoces Jacui, PF 75171, CNT 9, PEL 72393, Frontana, PAT 7392, IAS 54, Coxilha, Cotiporã e Nobre e as cultivares de ciclo intermediário CNT 8 e PEL 72390. Nenhuma cultivar tardia dentre as testadas evidenciou longo período do espigamento à colheita. Assuming positive correlation between the grain filling period duration and yield this character was studied for 38 Brazilian wheat cultivare. Results demonstrate a great variation in the gram filling period duration that was shorter in late than hi earlier cultivars. The following earlier and semi-late cultivare had the longest grain filling period: SB 7519, CEP 7596, IAS 58, Jacui, PF 75171, CNT 9, PEL 72393, Frontana, PAT 7392, IAS 54, Coxilha, Cotiporã, Nobre CNT 8 and PEL 72390. None of the tested late cultivars has shown a long period from heading to harvest.

Published
1995

47. Manejo de irrigação do trigo para obtenção de máxima produtividade na região dos cerrados

Author

GUERRA, A. F.

Subjects
wheat, Tensiômetros, tensiometers, Tensão da água no solo, Gypsum blocks, Soil-water tension, Bloco de gêsso, Triticum Aestivum
Abstract

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Published
1995

49. O acamamento e a reação de cultivares de trigo recomendadas no Rio Grande do Sul

Author

SOUSA, C. N. A. de

Subjects
wheat, Grão, Genótipo, genotype, Colmo, Triticum Aestivum, Stem inclination, grains
Abstract

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Published
1994

50. Efeito de Níveis de Fósforo e Alumínio sobre Estruturas Vegetativas do Sistema Aéreo de Trigo

Author

ZANATTA, A. C. A. and MUNDSTOCK, C. M.

Subjects
wheat, Triticum aestivun, Fenologia, Calcário, cultivar, Triticum Aestivum
Abstract

Duas cultivares de trigo, CNT 10 e PAT 7392, foram serneadas sob duas concentrações de fósforo (40 e 160 ppm P,O,) e quatro níveis de calcário (0, 114, 112 e 1 SMP). As plantas foram mantidas em casa de vegetação até a alongação e transféridas para câmara de crescimento até o estádio de grão em massa. Na maturação, foram avaliados carácteres do sistema aéreo da planta-mãe, observando-se que mostraram respostas diferentes às alterações edáficas impostas: CNT 10 caracterizou uma cultivar tolerante ao alumínio, mais eficiente no aproveitamento de baixos teores de fósforo no solo, mas não-responsiva ao nutriente; PAT 7392 mostrou ser menos tolerante ao alumínio, menos eficiente mas mais responsiva ao fósforo. Made available in DSpace on 2011-04-09T12:21:09Z (GMT). No. of bitstreams: 1 pab07set91.pdf: 652766 bytes, checksum: 2cc99ad0be04cfa1cdc310eb51f2d46e (MD5) Previous issue date: 2002-02-07

Published
1991

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