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| 142. |  | FRANCA-NETO, J. de B.; LORINI, I.; KRZYZANOWSKI, F. C.; HENNING, A. A.; MALLMANN, C. A. Ocorrência de contaminantes em grãos e sementes de soja armazenados em diversas regiões brasileiras. In: CONFERÊNCIA BRASILEIRA DE PÓS-COLHEITA, 5., 2010, Foz do Iguaçu. Anais ... Londrina: Abrapós, 2010. p. 278-280. il. Organizado por Irineu Lorini, Maria Cristina Zborowski de Paula, Adriano Divino Lima Afonso.| Biblioteca(s): Embrapa Soja. |
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| Registros recuperados : 442 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
30/09/2008 |
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Data da última atualização: |
05/10/2011 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Nacional - A |
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Autoria: |
KRZYZANOWSKI, F. C.; FRANCA NETO, J. de B.; MANDARINO, J. M. G. |
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Afiliação: |
FRANCISCO CARLOS KRZYZANOWSKI, CNPSo; JOSE DE BARROS FRANCA NETO, CNPSo; JOSE MARCOS GONTIJO MANDARINO, CNPSO. |
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Título: |
Evaluation of lignin content of soybean seed coat stored in a controlled environment. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
Revista Brasileira de Sementes, Pelotas, v. 30, n. 2, p. 220-223, 2008. |
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Idioma: |
Inglês |
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Conteúdo: |
Breeding soybean for high seed quality is an important approach for developing cultivars for tropical regions, and the lignin content in the seed coat is one of the screening parameters for this trait. Considering that many breeding lines are evaluated in each growing season using the presently recommended method for lignin determination, a long period is required for the evaluation of the whole breeding program. This time limitation may influence lignin content assessment, if lignin is degraded during storage. This research reported was designed to determine whether lignin was degraded in the seed coat of soybean seed cultivars stored for one year in a controlled environment (10º C temperature and 50% air relative humidity). Seeds of 12 selected soybean cultivars that had a range in seed coat lignin content were evaluated. Seeds were hand harvested just after physiological maturity and evaluated for seed coat lignin content at harvest and after one year of storage in a cold roam (10°C and 50% RH). The lignin content in seed coats differed significantly among cultivars in both analyses, but for both results the sequence of cultivar classification and the lignin content values of each cultivar did not change. A regression analysis of lignin content at harvest and after one year of storage indicated a direct relationship between both lignin determinations suggesting no differences between the lignin content of each cultivar due to prolonged storage (r" = 0.98***). This indicates that the lignin determination in the soybean seed coat can be performed over a long time period without any bias due to change in its content. MenosBreeding soybean for high seed quality is an important approach for developing cultivars for tropical regions, and the lignin content in the seed coat is one of the screening parameters for this trait. Considering that many breeding lines are evaluated in each growing season using the presently recommended method for lignin determination, a long period is required for the evaluation of the whole breeding program. This time limitation may influence lignin content assessment, if lignin is degraded during storage. This research reported was designed to determine whether lignin was degraded in the seed coat of soybean seed cultivars stored for one year in a controlled environment (10º C temperature and 50% air relative humidity). Seeds of 12 selected soybean cultivars that had a range in seed coat lignin content were evaluated. Seeds were hand harvested just after physiological maturity and evaluated for seed coat lignin content at harvest and after one year of storage in a cold roam (10°C and 50% RH). The lignin content in seed coats differed significantly among cultivars in both analyses, but for both results the sequence of cultivar classification and the lignin content values of each cultivar did not change. A regression analysis of lignin content at harvest and after one year of storage indicated a direct relationship between both lignin determinations suggesting no differences between the lignin content of each cultivar due to prolonged storage (r" = 0.98***). This indicat... Mostrar Tudo |
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Palavras-Chave: |
Gliycine max; Melhoramento de plantas; Qualidade de semente. |
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Thesagro: |
Armazenamento; Lignina. |
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Thesaurus NAL: |
lignin; plant breeding; seed quality; seed storage. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/42920/1/28568.pdf
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Marc: |
LEADER 02378naa a2200253 a 4500
001 1470918
005 2011-10-05
008 2008 bl uuuu u00u1 u #d
100 1 $aKRZYZANOWSKI, F. C.
245 $aEvaluation of lignin content of soybean seed coat stored in a controlled environment.
260 $c2008
520 $aBreeding soybean for high seed quality is an important approach for developing cultivars for tropical regions, and the lignin content in the seed coat is one of the screening parameters for this trait. Considering that many breeding lines are evaluated in each growing season using the presently recommended method for lignin determination, a long period is required for the evaluation of the whole breeding program. This time limitation may influence lignin content assessment, if lignin is degraded during storage. This research reported was designed to determine whether lignin was degraded in the seed coat of soybean seed cultivars stored for one year in a controlled environment (10º C temperature and 50% air relative humidity). Seeds of 12 selected soybean cultivars that had a range in seed coat lignin content were evaluated. Seeds were hand harvested just after physiological maturity and evaluated for seed coat lignin content at harvest and after one year of storage in a cold roam (10°C and 50% RH). The lignin content in seed coats differed significantly among cultivars in both analyses, but for both results the sequence of cultivar classification and the lignin content values of each cultivar did not change. A regression analysis of lignin content at harvest and after one year of storage indicated a direct relationship between both lignin determinations suggesting no differences between the lignin content of each cultivar due to prolonged storage (r" = 0.98***). This indicates that the lignin determination in the soybean seed coat can be performed over a long time period without any bias due to change in its content.
650 $alignin
650 $aplant breeding
650 $aseed quality
650 $aseed storage
650 $aArmazenamento
650 $aLignina
653 $aGliycine max
653 $aMelhoramento de plantas
653 $aQualidade de semente
700 1 $aFRANCA NETO, J. de B.
700 1 $aMANDARINO, J. M. G.
773 $tRevista Brasileira de Sementes, Pelotas$gv. 30, n. 2, p. 220-223, 2008.
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Embrapa Soja (CNPSO) |
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