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Registro Completo |
Biblioteca(s): |
Embrapa Algodão; Embrapa Clima Temperado. |
Data corrente: |
21/07/2014 |
Data da última atualização: |
16/04/2015 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
BRITO, G. G. de; SUASSUNA, N. D.; SILVA, V. N.; SOFIATTI, V.; DIOLA, V.; MORELLO, C. de L. |
Afiliação: |
GIOVANI GREIGH DE BRITO, CPACT; NELSON DIAS SUASSUNA, CNPA; Vivianny Nayse Silva; VALDINEI SOFIATTI, CNPA; Valdir Diola; CAMILO DE LELIS MORELLO, CNPA. |
Título: |
Leaf-level carbon isotope discrimination and its relationship with yield components as a tool for cotton phenotyping in unfavorable conditions. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Acta Scientiarum, v. 36, n. 3, p. 335-345, jul./set. 2014. |
ISSN: |
1807-8621 |
DOI: |
10.4025/actasciagron.v36i3.17986 |
Idioma: |
Inglês |
Conteúdo: |
The initial goal of this study was to measure the efficiency of carbon isotope discrimination (?) in distinguishing between cotton plant genotypes subjected to two water regimes. In addition, ? measurements, leaf water potential and gas exchange ratios were monitored. Using Brazilian breeding lines, this study also tested the usability of ? as a proxy for selecting high-performing yield components in cotton plants grown in unfavorable conditions, particularly water deficiency. For these experiments, ? and yield components were measured and their correlations analyzed. Differences among cotton genotypes for ? (p < 0.0001) were verified, and it was found that this variable was significantly correlated with gas exchange. There was a significant positive correlation between ? and seed cotton yield only in the site experiencing severe water deficiency (Santa Helena de Goiás). However, ? had a significant negative correlation with fiber percentage. Our results indicate that ? is a suitable tool for cotton phenotyping, and it may be applied in cotton breeding programs that aim to produce high-performing yield components in unfavorable conditions. |
Palavras-Chave: |
Estresse abiótico; Fracionamento do carbono; Troca gasosa. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/122450/1/17986-103271-1-PB.pdf
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Marc: |
LEADER 01945naa a2200241 a 4500 001 2013273 005 2015-04-16 008 2014 bl uuuu u00u1 u #d 022 $a1807-8621 024 7 $a10.4025/actasciagron.v36i3.17986$2DOI 100 1 $aBRITO, G. G. de 245 $aLeaf-level carbon isotope discrimination and its relationship with yield components as a tool for cotton phenotyping in unfavorable conditions.$h[electronic resource] 260 $c2014 520 $aThe initial goal of this study was to measure the efficiency of carbon isotope discrimination (?) in distinguishing between cotton plant genotypes subjected to two water regimes. In addition, ? measurements, leaf water potential and gas exchange ratios were monitored. Using Brazilian breeding lines, this study also tested the usability of ? as a proxy for selecting high-performing yield components in cotton plants grown in unfavorable conditions, particularly water deficiency. For these experiments, ? and yield components were measured and their correlations analyzed. Differences among cotton genotypes for ? (p < 0.0001) were verified, and it was found that this variable was significantly correlated with gas exchange. There was a significant positive correlation between ? and seed cotton yield only in the site experiencing severe water deficiency (Santa Helena de Goiás). However, ? had a significant negative correlation with fiber percentage. Our results indicate that ? is a suitable tool for cotton phenotyping, and it may be applied in cotton breeding programs that aim to produce high-performing yield components in unfavorable conditions. 653 $aEstresse abiótico 653 $aFracionamento do carbono 653 $aTroca gasosa 700 1 $aSUASSUNA, N. D. 700 1 $aSILVA, V. N. 700 1 $aSOFIATTI, V. 700 1 $aDIOLA, V. 700 1 $aMORELLO, C. de L. 773 $tActa Scientiarum$gv. 36, n. 3, p. 335-345, jul./set. 2014.
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Registro original: |
Embrapa Clima Temperado (CPACT) |
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Registro Completo
Biblioteca(s): |
Embrapa Instrumentação. |
Data corrente: |
06/03/2014 |
Data da última atualização: |
29/11/2018 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
ALMEIDA, L. L. de; SILVA, F. A. da; PAIVA, M. S. V. de; JORGE, L. A. de C. |
Afiliação: |
LUCIO ANDRE DE CASTRO JORGE, CNPDIA. |
Título: |
Super resolution images from mosaics. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
In: WORKSHOP DE VISÃO COMPUTACIONAL - WVC, 9., 2013, Rio de Janeiro. Anais... Rio de Janeiro: FGV 2013. |
Idioma: |
Inglês |
Palavras-Chave: |
Evento; Imagens de super resolução; Mosaico de imagens; Registro de imagem. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00600nam a2200181 a 4500 001 1981689 005 2018-11-29 008 2013 bl uuuu u00u1 u #d 100 1 $aALMEIDA, L. L. de 245 $aSuper resolution images from mosaics.$h[electronic resource] 260 $aIn: WORKSHOP DE VISÃO COMPUTACIONAL - WVC, 9., 2013, Rio de Janeiro. Anais... Rio de Janeiro: FGV 2013.$c2013 653 $aEvento 653 $aImagens de super resolução 653 $aMosaico de imagens 653 $aRegistro de imagem 700 1 $aSILVA, F. A. da 700 1 $aPAIVA, M. S. V. de 700 1 $aJORGE, L. A. de C.
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