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| 164. |  | SOUSA, A. O.; RODRIGUES, B. A.; NARCISO, M. G.; MENESES, M. V.; GUIMARAES, C. M. Software de obtenção do Índice de Vegetação por Diferença Normalizada. In: SEMINÁRIO JOVENS TALENTOS, 9., 2015, Santo Antônio de Goiás. Coletânea dos resumos apresentados. Santo Antônio de Goiás: Embrapa Arroz e Feijão, 2015. p. 94. (Embrapa Arroz e Feijão. Documentos, 309).| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 165. | | CANIATO, F. F.; GUIMARAES, C. T.; SCHAFFERT, R. E.; KOCHIAN, L. V.; MAGALHAES, J. V. D. Association mapping for aluminum tolerance in candidate regions of the Altsb locus in sorghum. In: CONGRESSO BRASILEIRO DE GENÉTICA, 55., 2009, Águas de Lindóia, SP. Resumos... Ribeirão Preto: Sociedade Brasileira de Genética, 2009. p. 150.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 166. | | LOGUERCIO, L. L.; SANTOS, C. G.; BARRETO, M. R.; GUIMARAES, C. T.; PAIVA, E. Association of PCR and feeding bioassays as a large-scale method to screen tropical Bacillus thuringiensis isolates for a cry constitution with higher insecticidal effect against Spodoptera frugiperda (Lepidoptera: Noctuidae) larvae. Letters in Applied Microbiology, Oxford, v. 32, n. 5, p. 362-367, 2001.| Biblioteca(s): Embrapa Milho e Sorgo. |
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Registro Completo
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Biblioteca(s): |
Embrapa Algodão; Embrapa Arroz e Feijão; Embrapa Clima Temperado. |
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Data corrente: |
29/06/2017 |
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Data da última atualização: |
29/06/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
GUIMARÃES, C. M.; STONE, L. F.; BRITO, G. G. de; HEUERT, J. |
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Afiliação: |
CLEBER MORAIS GUIMARAES, CNPAF; LUIS FERNANDO STONE, CNPAF; GIOVANI GREIGH DE BRITO, CPACT; JAIR HEUERT, CNPA. |
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Título: |
Evaluation of water-stress tolerance of Acala SJ 2 and Auburn 2 cotton cultivars in a phenotyping platform. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Revista Ambiente & Água, Taubaté, v. 12, n. 4, p. 629-642, jul./ago. 2017. |
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ISSN: |
1980-993X |
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Idioma: |
Inglês |
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Conteúdo: |
Due to the current scarcity of water, which may be aggravated by climate changes, it is important to develop cultivars tolerant to water stress. For this, information regarding the variability of the tolerance of cultivars to this stress is required. This information can be obtained by using phenotyping platforms, which allow a large-scale and automated assessment of crop traits related to productivity under water stress. This study took place in a greenhouse and used a phenotyping platform to evaluate some agronomic and physiological traits of two cotton cultivars with differing tolerances to this stress. The experiment was performed in a randomized block design, in a split-plot scheme with four replicates. The main plots were composed of five water regimes and the subplots of two cultivars, Acala SJ 2 and Auburn 2. The water regimes consisted of a well-irrigated treatment (daily replacement of 100% of evapotranspired water) and four water restriction regimes (20%, 40%, 60% and 80% of evapotranspired water at the well-irrigated treatment). The phenotyping platform and protocol (different percentages of daily replacement of evapotranspired water) employed were suitable to the evaluated cotton cultivars for water-stress tolerance, and allowed the determination of the cultivar most tolerant (Acala SJ 2) and of the cultivar most sensitive (Auburn 2) to water stress. 'Acala SJ 2' displayed better physiological and agronomic traits in all water regimes, including higher root density in the upper soil layer, as well as higher water use than ?Auburn 2?, which explained its higher seed yield under the conditions employed. MenosDue to the current scarcity of water, which may be aggravated by climate changes, it is important to develop cultivars tolerant to water stress. For this, information regarding the variability of the tolerance of cultivars to this stress is required. This information can be obtained by using phenotyping platforms, which allow a large-scale and automated assessment of crop traits related to productivity under water stress. This study took place in a greenhouse and used a phenotyping platform to evaluate some agronomic and physiological traits of two cotton cultivars with differing tolerances to this stress. The experiment was performed in a randomized block design, in a split-plot scheme with four replicates. The main plots were composed of five water regimes and the subplots of two cultivars, Acala SJ 2 and Auburn 2. The water regimes consisted of a well-irrigated treatment (daily replacement of 100% of evapotranspired water) and four water restriction regimes (20%, 40%, 60% and 80% of evapotranspired water at the well-irrigated treatment). The phenotyping platform and protocol (different percentages of daily replacement of evapotranspired water) employed were suitable to the evaluated cotton cultivars for water-stress tolerance, and allowed the determination of the cultivar most tolerant (Acala SJ 2) and of the cultivar most sensitive (Auburn 2) to water stress. 'Acala SJ 2' displayed better physiological and agronomic traits in all water regimes, including higher root dens... Mostrar Tudo |
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Palavras-Chave: |
Estresse hídrico; Irrigation protocol. |
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Thesagro: |
Água; Algodão; Características agronômicas; Gossypium hirsutum; Irrigação; Resistência a seca. |
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Thesaurus NAL: |
Agronomic traits; Cotton; Irrigation; Water stress. |
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Categoria do assunto: |
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F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/161180/1/CNPAF-2017-aa.pdf
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Marc: |
LEADER 02563naa a2200313 a 4500
001 2071706
005 2017-06-29
008 2017 bl uuuu u00u1 u #d
022 $a1980-993X
100 1 $aGUIMARÃES, C. M.
245 $aEvaluation of water-stress tolerance of Acala SJ 2 and Auburn 2 cotton cultivars in a phenotyping platform.$h[electronic resource]
260 $c2017
520 $aDue to the current scarcity of water, which may be aggravated by climate changes, it is important to develop cultivars tolerant to water stress. For this, information regarding the variability of the tolerance of cultivars to this stress is required. This information can be obtained by using phenotyping platforms, which allow a large-scale and automated assessment of crop traits related to productivity under water stress. This study took place in a greenhouse and used a phenotyping platform to evaluate some agronomic and physiological traits of two cotton cultivars with differing tolerances to this stress. The experiment was performed in a randomized block design, in a split-plot scheme with four replicates. The main plots were composed of five water regimes and the subplots of two cultivars, Acala SJ 2 and Auburn 2. The water regimes consisted of a well-irrigated treatment (daily replacement of 100% of evapotranspired water) and four water restriction regimes (20%, 40%, 60% and 80% of evapotranspired water at the well-irrigated treatment). The phenotyping platform and protocol (different percentages of daily replacement of evapotranspired water) employed were suitable to the evaluated cotton cultivars for water-stress tolerance, and allowed the determination of the cultivar most tolerant (Acala SJ 2) and of the cultivar most sensitive (Auburn 2) to water stress. 'Acala SJ 2' displayed better physiological and agronomic traits in all water regimes, including higher root density in the upper soil layer, as well as higher water use than ?Auburn 2?, which explained its higher seed yield under the conditions employed.
650 $aAgronomic traits
650 $aCotton
650 $aIrrigation
650 $aWater stress
650 $aÁgua
650 $aAlgodão
650 $aCaracterísticas agronômicas
650 $aGossypium hirsutum
650 $aIrrigação
650 $aResistência a seca
653 $aEstresse hídrico
653 $aIrrigation protocol
700 1 $aSTONE, L. F.
700 1 $aBRITO, G. G. de
700 1 $aHEUERT, J.
773 $tRevista Ambiente & Água, Taubaté$gv. 12, n. 4, p. 629-642, jul./ago. 2017.
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Embrapa Arroz e Feijão (CNPAF) |
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