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| Registros recuperados : 157 | |
| Registros recuperados : 157 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Semiárido. Para informações adicionais entre em contato com cpatsa.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
08/01/2021 |
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Data da última atualização: |
30/09/2021 |
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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: |
BARROS, J. R. A.; GUIMARÃES, M. J. M.; SILVA, R. M. e; RÊGO, M. T. C.; MELO, N. F. de; CHAVES, A. R. de M.; ANGELOTTI, F. |
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Afiliação: |
Juliane Rafaele Alves Barros, UEFS; Miguel Julio Machado Guimarães; Rodrigo Moura e Silva; Maydara Thaylla Cavalcanti Rêgo; NATONIEL FRANKLIN DE MELO, CPATSA; AGNALDO RODRIGUES DE MELO CHAVES, CPATSA; FRANCISLENE ANGELOTTI, CPATSA. |
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Título: |
Selection of cowpea cultivars for high temperature tolerance: physiological, biochemical and yield aspects. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Physiology and Molecular Biology of Plants, v. 27, n. 1, p. 29-38, 2021. |
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DOI: |
https://doi.org/10.1007/s12298-020-00919-7 |
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Idioma: |
Inglês |
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Conteúdo: |
High temperature stress can hinder the development of cowpea resulting in several damages including vegetative and reproductive phases of the crop. In this context, the objective of this study was to select cowpea cultivars tolerant to high temperature stress using various parameters related to physiological, biochemical, and yield aspects. For this, the cultivars Carijo´, Itaim, Pujante, Rouxinol, and Tapahium were used, maintained in two temperature regimes: 20?26?33 C and 24.8?30.8?37.8 C. The experiment was carried out in growth chambers, in a 5 9 2 factorial arrangement (cultivars 9 temperature regimes). Responses differentiated among the cultivars Carijo´, Itaim, Pujante, Rouxinol, and Tapahium with the increase of 4.8 C in air temperature. The high temperature promoted a greater quantity of aborted flowers, leading to a reduction in the yield of the cultivars Carijo´, Pujante, Rouxinol, and Tapahium. The photosynthesis, stomatal conductance, leaf transpiration and enzymatic activities were significantly influenced by high temperature. From the combination of the responses of biometric, physiological and productive variables, the cultivar Itaim can be considered as tolerant to an increase of 4.8 C in air temperature. |
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Palavras-Chave: |
Atividade fisiológica; Estresse oxidativo; Estresse térmico; Rendimento de grãos. |
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Thesagro: |
Feijão; Vigna Unguiculata. |
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Thesaurus NAL: |
Cowpeas. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02162naa a2200289 a 4500
001 2129112
005 2021-09-30
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s12298-020-00919-7$2DOI
100 1 $aBARROS, J. R. A.
245 $aSelection of cowpea cultivars for high temperature tolerance$bphysiological, biochemical and yield aspects.$h[electronic resource]
260 $c2021
520 $aHigh temperature stress can hinder the development of cowpea resulting in several damages including vegetative and reproductive phases of the crop. In this context, the objective of this study was to select cowpea cultivars tolerant to high temperature stress using various parameters related to physiological, biochemical, and yield aspects. For this, the cultivars Carijo´, Itaim, Pujante, Rouxinol, and Tapahium were used, maintained in two temperature regimes: 20?26?33 C and 24.8?30.8?37.8 C. The experiment was carried out in growth chambers, in a 5 9 2 factorial arrangement (cultivars 9 temperature regimes). Responses differentiated among the cultivars Carijo´, Itaim, Pujante, Rouxinol, and Tapahium with the increase of 4.8 C in air temperature. The high temperature promoted a greater quantity of aborted flowers, leading to a reduction in the yield of the cultivars Carijo´, Pujante, Rouxinol, and Tapahium. The photosynthesis, stomatal conductance, leaf transpiration and enzymatic activities were significantly influenced by high temperature. From the combination of the responses of biometric, physiological and productive variables, the cultivar Itaim can be considered as tolerant to an increase of 4.8 C in air temperature.
650 $aCowpeas
650 $aFeijão
650 $aVigna Unguiculata
653 $aAtividade fisiológica
653 $aEstresse oxidativo
653 $aEstresse térmico
653 $aRendimento de grãos
700 1 $aGUIMARÃES, M. J. M.
700 1 $aSILVA, R. M. e
700 1 $aRÊGO, M. T. C.
700 1 $aMELO, N. F. de
700 1 $aCHAVES, A. R. de M.
700 1 $aANGELOTTI, F.
773 $tPhysiology and Molecular Biology of Plants$gv. 27, n. 1, p. 29-38, 2021.
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