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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
06/05/2011 |
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Data da última atualização: |
29/02/2012 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
TOLEDO, M. Z.; TOMAZ, C. A.; CAVARIANI, C.; FRANCA NETO, J. de B. |
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Afiliação: |
M. Z. TOLEDO, UNESP - Botucatu; C. A. TOMAZ, UNESP - Botucatu; C. CAVARIANI, UNESP - Botucatu; JOSE DE BARROS FRANCA NETO, CNPSO. |
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Título: |
Pre-harvest desiccation with glyphosate and physiological quality of soybean seeds. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Informativo ABRATES, Brasília, DF, v. 21, n. 1, p. 223, abr. 2011. N. Especial, ref. 298. Edition of the Abstracts: 10th Conference of the International Society for Seed Science, Costa do Sauípe, Apr. 2011. |
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Idioma: |
Inglês |
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Conteúdo: |
Pre-harvest desiccation of soybean plants with glyphosate is routinely conducted by seed producers, although it is not recommended for it may decrease seed physiological quality and, mainly, seedling development. This work had the objective of evaluating the effects of pre-harvest desiccation of soybean plants with glyphosate on the physiological quality of seeds harvested at two different times after the application. The experimental design was the completely randomized block, with four replications. Treatments consisted of the presence and absence of plant desiccation with glyphosate at R7 stage and harvest of seeds 7 and 14 days after the application. Moisture content of seeds was evaluated at physiological maturity and right after each harvest. Mechanical damage, viability, weight of 100 seeds, protein content and accumulation of glyphosate residues in seeds were determined after each harvest. Seed physiological quality was evaluated by tests of germination, accelerated aging, electrical conductivity, seedling length and seedling dry matter. Data was submitted to variance analysis and means were compared by the Tukey test (p?0.05), as a 2 x 2 factorial (presence and absence of desiccation x harvest times). Moisture content of soybean seeds harvested after desiccation of plants was 6.87% lower than moisture of seeds produced by non-desiccated plants 7 days after the application but no effects were found after 14 days. Accumulation of glyphosate residues in soybean seeds was higher whenever pre-harvest desiccation was conducted although residues were also found in seeds produced conventionally due to drift. Seed germination was decreased by pre-harvest desiccation as a result of increased number of abnormal seedlings. Glyphosate applied as desiccant also decreased seedling length, mainly primary root length. Later harvest decreased seed quality by slightly increasing mechanical damage and, thus, electrical conductivity, as well as protein content but not in interaction with pre-harvest desiccation. MenosPre-harvest desiccation of soybean plants with glyphosate is routinely conducted by seed producers, although it is not recommended for it may decrease seed physiological quality and, mainly, seedling development. This work had the objective of evaluating the effects of pre-harvest desiccation of soybean plants with glyphosate on the physiological quality of seeds harvested at two different times after the application. The experimental design was the completely randomized block, with four replications. Treatments consisted of the presence and absence of plant desiccation with glyphosate at R7 stage and harvest of seeds 7 and 14 days after the application. Moisture content of seeds was evaluated at physiological maturity and right after each harvest. Mechanical damage, viability, weight of 100 seeds, protein content and accumulation of glyphosate residues in seeds were determined after each harvest. Seed physiological quality was evaluated by tests of germination, accelerated aging, electrical conductivity, seedling length and seedling dry matter. Data was submitted to variance analysis and means were compared by the Tukey test (p?0.05), as a 2 x 2 factorial (presence and absence of desiccation x harvest times). Moisture content of soybean seeds harvested after desiccation of plants was 6.87% lower than moisture of seeds produced by non-desiccated plants 7 days after the application but no effects were found after 14 days. Accumulation of glyphosate residues in soybean seeds w... Mostrar Tudo |
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Thesagro: |
Qualidade; Semente; Soja. |
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Thesaurus Nal: |
Seed quality; Soybeans. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02772naa a2200217 a 4500
001 1887905
005 2012-02-29
008 2011 bl uuuu u00u1 u #d
100 1 $aTOLEDO, M. Z.
245 $aPre-harvest desiccation with glyphosate and physiological quality of soybean seeds.
260 $c2011
520 $aPre-harvest desiccation of soybean plants with glyphosate is routinely conducted by seed producers, although it is not recommended for it may decrease seed physiological quality and, mainly, seedling development. This work had the objective of evaluating the effects of pre-harvest desiccation of soybean plants with glyphosate on the physiological quality of seeds harvested at two different times after the application. The experimental design was the completely randomized block, with four replications. Treatments consisted of the presence and absence of plant desiccation with glyphosate at R7 stage and harvest of seeds 7 and 14 days after the application. Moisture content of seeds was evaluated at physiological maturity and right after each harvest. Mechanical damage, viability, weight of 100 seeds, protein content and accumulation of glyphosate residues in seeds were determined after each harvest. Seed physiological quality was evaluated by tests of germination, accelerated aging, electrical conductivity, seedling length and seedling dry matter. Data was submitted to variance analysis and means were compared by the Tukey test (p?0.05), as a 2 x 2 factorial (presence and absence of desiccation x harvest times). Moisture content of soybean seeds harvested after desiccation of plants was 6.87% lower than moisture of seeds produced by non-desiccated plants 7 days after the application but no effects were found after 14 days. Accumulation of glyphosate residues in soybean seeds was higher whenever pre-harvest desiccation was conducted although residues were also found in seeds produced conventionally due to drift. Seed germination was decreased by pre-harvest desiccation as a result of increased number of abnormal seedlings. Glyphosate applied as desiccant also decreased seedling length, mainly primary root length. Later harvest decreased seed quality by slightly increasing mechanical damage and, thus, electrical conductivity, as well as protein content but not in interaction with pre-harvest desiccation.
650 $aSeed quality
650 $aSoybeans
650 $aQualidade
650 $aSemente
650 $aSoja
700 1 $aTOMAZ, C. A.
700 1 $aCAVARIANI, C.
700 1 $aFRANCA NETO, J. de B.
773 $tInformativo ABRATES, Brasília, DF$gv. 21, n. 1, p. 223, abr. 2011. N. Especial, ref. 298. Edition of the Abstracts: 10th Conference of the International Society for Seed Science, Costa do Sauípe, Apr. 2011.
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Registro original: |
Embrapa Soja (CNPSO) |
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| Registros recuperados : 15 | |
| 4. |  | TOLEDO, M. Z.; CAVARIANI, C.; FRANCA-NETO, J. de B. Physiological quality of soybean seeds as affected by chemical treatment and genotype. In: WORLD SOYBEAN RESEARCH CONFERENCE, 8., 2009, Beijing. Developing a global soy blueprint for a safe secure and sustainable supply: abstracts. Beijing: Chinese Academy of Agricultural Sciences: Institute of Crop Science, 2009. p. 215, ref. P502. WSRC 2009. Editado por Lijuan Qiu, Rongxia Guan, Jian Jin, Qijan Song, Shuntang Guo, Wenbin Li, Yuanchao Wang, Tianfu Han, Xiaobing Liu, Deyue Yu, Lianzhou Jiang, Deliang Peng.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Soja. |
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| 5. | | TOLEDO, M. Z.; TOMAZ, C. A.; CAVARIANI, C.; FRANCA NETO, J. de B. Pre-harvest desiccation with glyphosate and physiological quality of soybean seeds. Informativo ABRATES, Brasília, DF, v. 21, n. 1, p. 223, abr. 2011. N. Especial, ref. 298. Edition of the Abstracts: 10th Conference of the International Society for Seed Science, Costa do Sauípe, Apr. 2011.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Soja. |
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| 6. | | TOLEDO, M. Z.; ISHIZUKA, M. S.; CAVARIANI, C.; FRANÇA-NETO, J. B.; PICOLI, L. B. Pre-harvest desiccation with glyphosate and quality of stored soybean seeds. Semina: Ciências Agrárias, Londrina, v. 35, n. 2, p. 765-774, mar./abr. 2014.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Soja. |
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| 7. | | SOUZA, F. L. G.; TOLEDO, M. Z.; CAVARIANI, C.; FRANCA NETO, J. de B.; ALVES, E. Effects of chemical dessication and soybean genotypeon seed physiological quality. In: WORLD SOYBEAN RESEARCH CONFERENCE, 8., 2009, Beijing. Developing a global soy blueprint for a safe secure and sustainable supply: abstracts. Beijing: Chinese Academy of Agricultural Sciences: Institute of Crop Science, 2009. p. 215, ref. P503. WSRC 2009. Editado por Lijuan Qiu, Rongxia Guan, Jian Jin, Qijan Song, Shuntang Guo, Wenbin Li, Yuanchao Wang, Tianfu Han, Xiaobing Liu, Deyue Yu, Lianzhou Jiang, Deliang Peng.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Soja. |
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| 8. | | TOLEDO, M. Z.; CAVARIANI, C.; BENNETT, M. A.; FRANÇA NETO, J. B. Fitotoxicidade em plântulas de soja decorrente da dessecação das plantas e tratamento das sementes. In: REUNIÃO DE PESQUISA DE SOJA DA REGIÃO CENTRAL DO BRASIL, 32., 2011, São Pedro, SP. Resumos expandidos... Londrina: Embrapa Soja, 2011. p. 357-360. Editado por Adilson de Oliveira Junior, Odilon Ferreira Saraiva, Regina Maria Villas Bôas de Campos Leite.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Soja. |
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| 10. | | TOLEDO, M. Z.; CAVARIANI, C.; FRANÇA-NETO, J. de B.; NAKAGAWA, J. Imbibition damage in soybean seeds as affected by initial moisture content, cultivar and production location . Seed Science and Technology, Zurich, v. 38, n. 2, p. 399-408, Jul. 2010.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Soja. |
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| 11. | | ISHIZUKA, M. S.; TOLEDO, M. Z.; CAVARIANI, C.; FRANÇA NETO, J. B.; PICOLI, L. B. Dessecação de plantas de soja com glyphosate e qualidade das sementes armazenadas. Informativo ABRATES, Londrina, v. 21, n. 2, ago. 2011. CD-ROM. Edição dos Anais do XVII Congresso Brasileiro de Sementes., Natal, ago. 2011.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Soja. |
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| 13. | | CAVARIANI, C.; TOLEDO, M. Z.; RODELLA, R. A.; FRANCA NETO, J. de B.; NAKAGAWA, J. Velocidade de hidratação em função de características do tegumento de sementes de soja de diferentes cultivares e localidades. Revista Brasileira de Sementes, Lavras, v. 31, n. 1, p. 30-39, mar. 2009.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 2 |
| Biblioteca(s): Embrapa Soja. |
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| 14. | | CAVARIANI, C.; TOLEDO, M. Z.; FRANCA NETO, J. B.; ISHIZUKA, M. S.; PICOLI, L. B.; DOGNINI, A. C. Efeitos da dessecação das plantas e do tratamento fungicida na qualidade de sementes de soja. Informativo ABRATES, Londrina, v. 21, n. 2, ago. 2011. CD-ROM. Edição dos Anais do XVII Congresso Brasileiro de Sementes., Natal, ago. 2011.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Soja. |
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| 15. | | TOLEDO, M. Z.; CASTRO, G. S. A.; CRUSCIOL, C. A. C.; SORATTO, R. P.; CAVARIANI, C.; ISHIZUKA, M. S; PICOLI, L. B. Silicon leaf application and physiological quality of white oat and wheat seeds. Semina. Ciências Agrárias, Londrina, v. 33, n. 5, p. 1693-1702, set./out. 2012.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Amapá. |
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| Registros recuperados : 15 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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