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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
20/08/2012 |
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Data da última atualização: |
21/08/2012 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
TERAMOTO, A.; MACHADO, T. A.; NASCIMENTO, L. M.; MEYER, M. C.; CUNHA, M. G. |
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Afiliação: |
CAPES - PNPD; Universidade Federal de Goiânia; UFG; MAURICIO CONRADO MEYER, CNPSO; UFG. |
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Título: |
Reação de cultivares de soja à Corynespora cassiicola. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE SOJA, 6., 2012, Cuiabá. Soja: integração nacional e desenvolvimento sustentável: resumos. Brasília, DF: Embrapa, 2012. p. 115, res. 189. |
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Idioma: |
Português |
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Conteúdo: |
O fungo Corynespora cassiicola, agente causal da mancha-alvo em soja, tem ocorrido com frequência na região Centro-Oeste do Brasil e pode, sob condições de alta temperatura e alta umidade, causar sérios danos à cultura. O uso de cultivares resistentes ao patógeno é recomendado, porém são poucas as disponíveis no mercado. Este trabalho foi realizado visando avaliar a reação de doze cultivares comerciais de soja desafiados por C. cassiicola. A severidade foi avaliada utilizando escala diagramática de severidade da mancha-alvo. As cultivares mais resistentes ao patógeno foram BRSGO 7960 e BRS Sambaíba e as mais suscetíveis BMX Potência RR e M-SOY 7908 RR. |
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Palavras-Chave: |
Mancha-alvo. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01278naa a2200181 a 4500
001 1931582
005 2012-08-21
008 2012 bl uuuu u00u1 u #d
100 1 $aTERAMOTO, A.
245 $aReação de cultivares de soja à Corynespora cassiicola.
260 $c2012
520 $aO fungo Corynespora cassiicola, agente causal da mancha-alvo em soja, tem ocorrido com frequência na região Centro-Oeste do Brasil e pode, sob condições de alta temperatura e alta umidade, causar sérios danos à cultura. O uso de cultivares resistentes ao patógeno é recomendado, porém são poucas as disponíveis no mercado. Este trabalho foi realizado visando avaliar a reação de doze cultivares comerciais de soja desafiados por C. cassiicola. A severidade foi avaliada utilizando escala diagramática de severidade da mancha-alvo. As cultivares mais resistentes ao patógeno foram BRSGO 7960 e BRS Sambaíba e as mais suscetíveis BMX Potência RR e M-SOY 7908 RR.
653 $aMancha-alvo
700 1 $aMACHADO, T. A.
700 1 $aNASCIMENTO, L. M.
700 1 $aMEYER, M. C.
700 1 $aCUNHA, M. G.
773 $tIn: CONGRESSO BRASILEIRO DE SOJA, 6., 2012, Cuiabá. Soja: integração nacional e desenvolvimento sustentável: resumos. Brasília, DF: Embrapa, 2012. p. 115, res. 189.
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Registro original: |
Embrapa Soja (CNPSO) |
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Registro Completo
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Biblioteca(s): |
Embrapa Algodão. |
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Data corrente: |
20/12/2017 |
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Data da última atualização: |
20/12/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
ZONTA, J. H.; BRANDAO, Z. N.; RODRIGUES, J. I. S.; BRAUN. H.; PEREIRA, A.; LOURENÇO, E. R. C.; SOFIATTI, V. |
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Afiliação: |
JOAO HENRIQUE ZONTA, CNPA; ZIANY NEIVA BRANDAO, CNPA; JOSIANE I. S. RODRIGUES; HEDER BRAUN, UNIVERSIDADE ESTADUAL DO MARANHÃO; ALÉCIO PEREIRA, FUNDAÇÃO DO ESTADO DO CEARÁ PARA METEOROLOGIA E RECURSOS HÍDRICOS; ELLOISE R. C. LOURENÇO, UFPB; VALDINEI SOFIATTI, CNPA. |
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Título: |
Influence of boll sampling method and water stress on fiber quality of irrigated cotton (Gossypium hirsutum L.). |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
African Journal of Agricultural Research, v.12, n. 34, p. 2667-2674, Aug. 2017. |
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DOI: |
10.5897/AJAR2016.12007 |
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Idioma: |
Inglês |
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Conteúdo: |
The quality of cotton fibers in Brazil has been studied. This was done by studying the fiber samples obtained from bolls removed from the middle third of the plants. These fiber samples are referred to as "standard sample". This way to collect fiber data requires lots of labor, and may disguise the results obtained in experimental appraisals, due to human errors in gathering boll. Besides, cotton yield and quality is influenced by water availability, especially during abiotic tests with water deficit, in which, fiber quality samples may be affected by boll position. Thus, the objective of this study was to evaluate the influence of sampling method on the technological characteristics of cotton fibers, in irrigated and water stress tests at different stages of the crop cycle. Two methods were made to collect cotton fiber. The first method was the standard sample and the second way was gathering sample of bolls in randomized position, through all experimental plot (called randomized sample). The results show that the analysis performed by standard sample tend to overestimate the values of the fiber quality parameters, differing from the results obtained with the randomized sample that is representative of all plot. It was observed that the variability of cotton fiber quality affected by water stress treatments were best represented using bolls obtained by randomized method. Consequently, in the case of experiments with water stress, the most representative method to collect cotton fiber, is through a sampling of all the plant, and not only of the middle third. MenosThe quality of cotton fibers in Brazil has been studied. This was done by studying the fiber samples obtained from bolls removed from the middle third of the plants. These fiber samples are referred to as "standard sample". This way to collect fiber data requires lots of labor, and may disguise the results obtained in experimental appraisals, due to human errors in gathering boll. Besides, cotton yield and quality is influenced by water availability, especially during abiotic tests with water deficit, in which, fiber quality samples may be affected by boll position. Thus, the objective of this study was to evaluate the influence of sampling method on the technological characteristics of cotton fibers, in irrigated and water stress tests at different stages of the crop cycle. Two methods were made to collect cotton fiber. The first method was the standard sample and the second way was gathering sample of bolls in randomized position, through all experimental plot (called randomized sample). The results show that the analysis performed by standard sample tend to overestimate the values of the fiber quality parameters, differing from the results obtained with the randomized sample that is representative of all plot. It was observed that the variability of cotton fiber quality affected by water stress treatments were best represented using bolls obtained by randomized method. Consequently, in the case of experiments with water stress, the most representative method to collect co... Mostrar Tudo |
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Palavras-Chave: |
Cotton fibers. |
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Thesagro: |
Algodão. |
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Thesaurus NAL: |
Water stress. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/169357/1/Influence-of-boll-sampling....pdf
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Marc: |
LEADER 02335naa a2200241 a 4500
001 2082991
005 2017-12-20
008 2017 bl uuuu u00u1 u #d
024 7 $a10.5897/AJAR2016.12007$2DOI
100 1 $aZONTA, J. H.
245 $aInfluence of boll sampling method and water stress on fiber quality of irrigated cotton (Gossypium hirsutum L.).$h[electronic resource]
260 $c2017
520 $aThe quality of cotton fibers in Brazil has been studied. This was done by studying the fiber samples obtained from bolls removed from the middle third of the plants. These fiber samples are referred to as "standard sample". This way to collect fiber data requires lots of labor, and may disguise the results obtained in experimental appraisals, due to human errors in gathering boll. Besides, cotton yield and quality is influenced by water availability, especially during abiotic tests with water deficit, in which, fiber quality samples may be affected by boll position. Thus, the objective of this study was to evaluate the influence of sampling method on the technological characteristics of cotton fibers, in irrigated and water stress tests at different stages of the crop cycle. Two methods were made to collect cotton fiber. The first method was the standard sample and the second way was gathering sample of bolls in randomized position, through all experimental plot (called randomized sample). The results show that the analysis performed by standard sample tend to overestimate the values of the fiber quality parameters, differing from the results obtained with the randomized sample that is representative of all plot. It was observed that the variability of cotton fiber quality affected by water stress treatments were best represented using bolls obtained by randomized method. Consequently, in the case of experiments with water stress, the most representative method to collect cotton fiber, is through a sampling of all the plant, and not only of the middle third.
650 $aWater stress
650 $aAlgodão
653 $aCotton fibers
700 1 $aBRANDAO, Z. N.
700 1 $aRODRIGUES, J. I. S.
700 1 $aBRAUN. H.
700 1 $aPEREIRA, A.
700 1 $aLOURENÇO, E. R. C.
700 1 $aSOFIATTI, V.
773 $tAfrican Journal of Agricultural Research$gv.12, n. 34, p. 2667-2674, Aug. 2017.
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Embrapa Algodão (CNPA) |
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