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| 1. |  | ROGÉRIO, F.; BARONCELLI, R.; CUEVAS-FERNÁNDEZ, F. B.; BECERRA, S.; CROUCH, J.; BETTIOL, W.; AZCÁRATE-PERIL, M. A.; MALAPI-WIGHT, M.; ORTEGA, V.; BETRAN, J.; TENUTA, A.; DAMBOLENA, J. S.; ESKER, P. D.; REVILLA, P.; JACKSON-ZIEMS; HILTBRUNNER, J.; MUNKVOLD, G.; BUHINICEK, I.; VICENTE-VILLARDÓN, J. L.''''; SUKNO, S. A.; THON, M. R. Population genomics provide insights into the global genetic structure of Colletotrichum graminicola, the causal agent of maize anthracnose. MBio, v. 14, n. 1, e0287822, 2022.| Biblioteca(s): Embrapa Meio Ambiente. |
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| 2. | | SILVEIRA, E. S.; SANTOS, M. F.; CARROMEU, C.; JANK, L.; BARRIOS, S. C. L.; VALLE, C. B. do; SIMEÃO, R. M. Utilização de drone com diferentes Ground Sample Distance para obtenção de dados fenotípicos de forrageiras. In: JORNADA CIENTÍFICA EMBRAPA GADO DE CORTE, 15., 2019, Campo Grande, MS. [Resumos dos trabalhos...]. Brasília, DF: Embrapa, 2019 80 p. (Embrapa Gado de Corte. Documentos, 264). Comitê Organizador: Marlene de Barros Coelho; Lenita Ramires dos Santos; Rodrigo Carvalho Alva; Lucimara Chiari; Thais Basso Amaral. 30-31| Biblioteca(s): Embrapa Gado de Corte. |
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| 3. | | CARDOSO, A. P.; NUNES, C. C.; ALVES, S. A. M. Eficiência de diferentes produtos no tratamento de ferimentos de colheita em macieiras Fuji para controle do cancro europeu das pomáceas. In: ENCONTRO DE INICIAÇÃO CIENTÍFICA, 15., 2017.; ENCONTRO DE PÓS-GRADUANDOS DA EMBRAPA UVA E VINHO, 11., 2017, Bento Gonçalves. Resumos...Bento Gonçalves, RS: Embrapa Uva e Vinho, 2017. p. 42.| Biblioteca(s): Embrapa Uva e Vinho. |
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| 20. | | VANDERMEERSCHEN-DOIZE, F.; BOUCHAT, J. C.; BOUCKOMS-VANDERMEIR, M. A.; PAQUAY, R. Influence of the state of fatness on body composition and blood constituents (lipids, glucose, ketone bodies and insulin) in adult sheep. Journal of Animal Physiology and Animal Nutrition, v. 52, n. 2/3, p. 105-112, Sep. 1984.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| Registros recuperados : 26 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
11/04/2000 |
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Data da última atualização: |
15/10/2004 |
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Autoria: |
TOLEDO, J. F. F. de. |
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Título: |
Strategies for reaching future yield goals. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
In: WORLD SOYBEAN RESEARCH CONFERENCE, 6., 1999, Chicago. Proceedings: invited and contributed papers and posters. Chicago: University of Illinois / Soybean Research & Development Council, 1999. |
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Páginas: |
p.133. |
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Idioma: |
Inglês |
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Conteúdo: |
Brazilian soybean breeding programs have reached their yield objectives, with continuous annual genetic gains which have benefited soybean producers. The actual yield increases are sometimes reduced because of diseases such as the frog eye leaf spot (Cercospora sojina), stem cancer (Phomopsis phaseoli f.sp. meridionalis) and by soybean cyst nematode (Heterodera glycines). These problems, however, have along the years bee quickly solved by a team of researchs who developed resistant and competitive cultivars to take the place of old ones. Such yield increases show that there was genetic variability to be exploited. Recent studies have shown that genetic variability continues to exist for the important traits, and therefore, the annual gain rates should be maintained. Some changes in the focus of the Brazilian soybean breeding programs may happen in the medium term because of a growing demand for high nutritional quality, pesticide free soy products. Consequently, the relative importance of some soybean specific traits such as high oil/protein quality and content, disease and insect resistance start to be as important as high grain yield. The striking success of Embrapa's soybean breeding program over the past few years, with the release of highly adapted and yielding cultivars that are sowed in over 70% of the Brazilian fields, was based on its test capacity on all the locations which were intended to be cropped. It also depended on an established structure for seed multiplication and marketing of the cultivars to the farmers. These conditions were met through partnerships with soy seed producers grouped in Privately Funded Foundations located in the most important producer states. A soybean breeding program developed by a single company within a specific region, could hardly cover the Brazilian territory efficiently. Meeting all the regional demands is an impracticable task for a breeding program based on only one of the Brazilian regions. During 1998, of 24 released cultivaries 21 were developed in partnership with seed producers from the states: Rio Grande do Sul; Goias; Mato Grosso; Mato Grosso do Sul and Minas Gerais and also from the North/Northeast region (Tocantins, Maranhao and Piaui states). the results of this work are also coming out in the form of constant annual increases in the Brazilian soybean yield, which is mostly due to the genetic advances. The cultivars have also been the main transference vehicle of other technologies developed by projects of other research areas. The development of cultivars using the traditional breeding techniques has bee capable of solving the problems to date. It is an activity which began more than ten thousand years ago and wich has existed professionally for about a hundred years. It is clear that it must exist as such for a long time yet. Recently, however, new tools emerging as the result of the development in various areas of knowledge have being aggregated. These tools were, in a greater or lesser degree, used together with traditional techniques known for the development of superior genotypes. The advance in genetic techniques, including gene introgression from other species in soybean, the use of molecular markers and for quantitative methods together with the advance and easy access to information technology, has made possible to meet some of the breeding demands that would have been impracticable before. MenosBrazilian soybean breeding programs have reached their yield objectives, with continuous annual genetic gains which have benefited soybean producers. The actual yield increases are sometimes reduced because of diseases such as the frog eye leaf spot (Cercospora sojina), stem cancer (Phomopsis phaseoli f.sp. meridionalis) and by soybean cyst nematode (Heterodera glycines). These problems, however, have along the years bee quickly solved by a team of researchs who developed resistant and competitive cultivars to take the place of old ones. Such yield increases show that there was genetic variability to be exploited. Recent studies have shown that genetic variability continues to exist for the important traits, and therefore, the annual gain rates should be maintained. Some changes in the focus of the Brazilian soybean breeding programs may happen in the medium term because of a growing demand for high nutritional quality, pesticide free soy products. Consequently, the relative importance of some soybean specific traits such as high oil/protein quality and content, disease and insect resistance start to be as important as high grain yield. The striking success of Embrapa's soybean breeding program over the past few years, with the release of highly adapted and yielding cultivars that are sowed in over 70% of the Brazilian fields, was based on its test capacity on all the locations which were intended to be cropped. It also depended on an established structure for seed multipli... Mostrar Tudo |
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Palavras-Chave: |
Brasil; Soybean. |
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Thesagro: |
Melhoramento; Soja. |
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Thesaurus NAL: |
Brazil; breeding. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 04056naa a2200205 a 4500
001 1461652
005 2004-10-15
008 1999 bl uuuu u00u1 u #d
100 1 $aTOLEDO, J. F. F. de
245 $aStrategies for reaching future yield goals.
260 $c1999
300 $ap.133.
520 $aBrazilian soybean breeding programs have reached their yield objectives, with continuous annual genetic gains which have benefited soybean producers. The actual yield increases are sometimes reduced because of diseases such as the frog eye leaf spot (Cercospora sojina), stem cancer (Phomopsis phaseoli f.sp. meridionalis) and by soybean cyst nematode (Heterodera glycines). These problems, however, have along the years bee quickly solved by a team of researchs who developed resistant and competitive cultivars to take the place of old ones. Such yield increases show that there was genetic variability to be exploited. Recent studies have shown that genetic variability continues to exist for the important traits, and therefore, the annual gain rates should be maintained. Some changes in the focus of the Brazilian soybean breeding programs may happen in the medium term because of a growing demand for high nutritional quality, pesticide free soy products. Consequently, the relative importance of some soybean specific traits such as high oil/protein quality and content, disease and insect resistance start to be as important as high grain yield. The striking success of Embrapa's soybean breeding program over the past few years, with the release of highly adapted and yielding cultivars that are sowed in over 70% of the Brazilian fields, was based on its test capacity on all the locations which were intended to be cropped. It also depended on an established structure for seed multiplication and marketing of the cultivars to the farmers. These conditions were met through partnerships with soy seed producers grouped in Privately Funded Foundations located in the most important producer states. A soybean breeding program developed by a single company within a specific region, could hardly cover the Brazilian territory efficiently. Meeting all the regional demands is an impracticable task for a breeding program based on only one of the Brazilian regions. During 1998, of 24 released cultivaries 21 were developed in partnership with seed producers from the states: Rio Grande do Sul; Goias; Mato Grosso; Mato Grosso do Sul and Minas Gerais and also from the North/Northeast region (Tocantins, Maranhao and Piaui states). the results of this work are also coming out in the form of constant annual increases in the Brazilian soybean yield, which is mostly due to the genetic advances. The cultivars have also been the main transference vehicle of other technologies developed by projects of other research areas. The development of cultivars using the traditional breeding techniques has bee capable of solving the problems to date. It is an activity which began more than ten thousand years ago and wich has existed professionally for about a hundred years. It is clear that it must exist as such for a long time yet. Recently, however, new tools emerging as the result of the development in various areas of knowledge have being aggregated. These tools were, in a greater or lesser degree, used together with traditional techniques known for the development of superior genotypes. The advance in genetic techniques, including gene introgression from other species in soybean, the use of molecular markers and for quantitative methods together with the advance and easy access to information technology, has made possible to meet some of the breeding demands that would have been impracticable before.
650 $aBrazil
650 $abreeding
650 $aMelhoramento
650 $aSoja
653 $aBrasil
653 $aSoybean
773 $tIn: WORLD SOYBEAN RESEARCH CONFERENCE, 6., 1999, Chicago. Proceedings: invited and contributed papers and posters. Chicago: University of Illinois / Soybean Research & Development Council, 1999.
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