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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
19/02/2016 |
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Data da última atualização: |
02/03/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
LANNA, A. C.; MITSUZONO, S. T.; TERRA, T. G. R.; VIANELLO, R. P.; CARVALHO, M. A. de F. |
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Afiliação: |
ANNA CRISTINA LANNA, CNPAF; SUZY TAEKO MITSUZONO, UFG; THIAGO GLEDSON RIOS TERRA, UFV; ROSANA PEREIRA VIANELLO, CNPAF; MILENE ALVES DE FIGUEIREDO CARVALHO, SAPC. |
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Título: |
Physiological characterization of common bean (Phaseolus vulgaris L.) genotypes, water-stress induced with contrasting response towards drought. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Australian Journal of Crop Science, v. 10, n. 1, p. 1-6, 2016. |
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ISSN: |
1835-2707 |
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Idioma: |
Inglês |
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Conteúdo: |
Among the three annual common bean seasons in Brazil, two of them are subject to drought. The objective of this study was to identify physiological traits in common bean under water restriction. The common beans genotypes, BAT 477 (tolerant to water-stress) and Perola (sensitive to water-stress), were grown under greenhouse conditions under two different watering regimes: irrigated (control treatment) and non-irrigated (stress treatment). The water deficit treatment consisted of suspension of irrigation to the plants at 10 days after emergence (DAE) (at the V2 physiological stage) for 30 days, followed by the irrigation?s re-establishment at 40 DAE (at the R6-R7 physiological stage) up to the phase of physiological maturity of the grains for assessment of grain yield and production components. Under water-stress, BAT 477 showed less reduction in grain yield (33%), more capacity for osmotic adjustment (0.30 MPa) and superiority in the root system´s development (~50%) compared to Perola that showed a 53% reduction in the grain yield and 0.06 MPa of osmotic adjustment. In this study, the robustness of the root system and osmotic adjustment are the main physiological indicators of tolerance to water deficit in common bean plants. |
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Palavras-Chave: |
Physiological mechanisms; Tropical conditions. |
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Thesagro: |
Características agronômicas; Deficiência hídrica; Feijão; Phaseolus vulgaris; Resistencia a seca. |
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Thesaurus Nal: |
Agronomic traits; Plant-water relations. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/139430/1/CNPAF-2016-ajcs.pdf
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Marc: |
LEADER 02185naa a2200289 a 4500
001 2037693
005 2017-03-02
008 2016 bl uuuu u00u1 u #d
022 $a1835-2707
100 1 $aLANNA, A. C.
245 $aPhysiological characterization of common bean (Phaseolus vulgaris L.) genotypes, water-stress induced with contrasting response towards drought.$h[electronic resource]
260 $c2016
520 $aAmong the three annual common bean seasons in Brazil, two of them are subject to drought. The objective of this study was to identify physiological traits in common bean under water restriction. The common beans genotypes, BAT 477 (tolerant to water-stress) and Perola (sensitive to water-stress), were grown under greenhouse conditions under two different watering regimes: irrigated (control treatment) and non-irrigated (stress treatment). The water deficit treatment consisted of suspension of irrigation to the plants at 10 days after emergence (DAE) (at the V2 physiological stage) for 30 days, followed by the irrigation?s re-establishment at 40 DAE (at the R6-R7 physiological stage) up to the phase of physiological maturity of the grains for assessment of grain yield and production components. Under water-stress, BAT 477 showed less reduction in grain yield (33%), more capacity for osmotic adjustment (0.30 MPa) and superiority in the root system´s development (~50%) compared to Perola that showed a 53% reduction in the grain yield and 0.06 MPa of osmotic adjustment. In this study, the robustness of the root system and osmotic adjustment are the main physiological indicators of tolerance to water deficit in common bean plants.
650 $aAgronomic traits
650 $aPlant-water relations
650 $aCaracterísticas agronômicas
650 $aDeficiência hídrica
650 $aFeijão
650 $aPhaseolus vulgaris
650 $aResistencia a seca
653 $aPhysiological mechanisms
653 $aTropical conditions
700 1 $aMITSUZONO, S. T.
700 1 $aTERRA, T. G. R.
700 1 $aVIANELLO, R. P.
700 1 $aCARVALHO, M. A. de F.
773 $tAustralian Journal of Crop Science$gv. 10, n. 1, p. 1-6, 2016.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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| Registros recuperados : 72 | |
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