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| 4. |  | FLUMIGNAN, D. L.; SILVA, J. A. da; FIGUEIREDO, L. H. S.; SOUZA, C. H. M.; REZENDE, M. K. A. Evapotranspiração de referência e contribuição dos termos radiativo e aerodinâmico na Região de Dourados, MS. In: CONGRESSO BRASILEIRO DE AGROMETEOROLOGIA, 20.; SIMPÓSIO DE MUDANÇAS CLIMÁTICAS E DESERTIFICAÇÃO DO SEMIÁRIDO BRASILEIRO, 5., 2017, Juazeiro. A agrometeorologia na solução de problemas multiescala: anais. Petrolina: Embrapa Semiárido: Univasf, 2017. P. 2953-2957| Biblioteca(s): Embrapa Agropecuária Oeste. |
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Registro Completo
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Biblioteca(s): |
Embrapa Algodão. |
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Data corrente: |
03/03/2017 |
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Data da última atualização: |
03/03/2017 |
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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: |
ALVES, G. M. R.; PEREIRA, J. W. de L.; LUZ, L. N. da; LIMA, L. M. de; SANTOS, R. C. dos. |
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Afiliação: |
GERCKSON MACIEL RODRIGUES ALVES, UEPB; JACQUELINE WANESSA de LIMA PEREIRA, UFRPE; LUCAS NUNES DA LUZ, UNILAB; LIZIANE MARIA DE LIMA, CNPA; ROSEANE CAVALCANTI DOS SANTOS, CNPA. |
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Título: |
Genotypic variability of peanut lines in response to water stress, based on biochemical descriptors. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Revista Caatinga, v. 29, n. 3, p. 528-536, jul./set. 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
Seven biochemical descriptors were used to estimate the genotypic variability of peanut in response to moderate water stress. Six genotypes, constituted by four lines and two cultivars, were grown in pots, each containing two plants. At 15 days after emergence (DAE), the treatment differentiation was carried out: Control-plants maintained with daily watering, and Stress-plants submitted to water stress by complete suspension of watering for 15 days. The experimental design was completely randomized with factorial scheme 6 x 2 (genotype x water treatments), with five replications. The biochemical variables evaluated were: catalase (CAT), ascorbate peroxidase (APX), guaiacol peroxidase (GPX), free proline, total carbohydrates, soluble proteins, and amino acids. Results obtained by biochemical analysis and estimation of genotypic variability indicated that proline is the most appropriate descriptor for selecting genotypes tolerant to water stress, which led to identification of L81V and L108V as promising lines for drought tolerance breeding program. |
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Palavras-Chave: |
Enzima antioxidativa; Estresse hídrico. |
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Thesagro: |
Amendoim; Arachis hypogaea. |
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Thesaurus NAL: |
Peanuts. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/157020/1/Genotypic-variability-of-peanut.pdf
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Marc: |
LEADER 01755naa a2200229 a 4500
001 2066062
005 2017-03-03
008 2016 bl uuuu u00u1 u #d
100 1 $aALVES, G. M. R.
245 $aGenotypic variability of peanut lines in response to water stress, based on biochemical descriptors.$h[electronic resource]
260 $c2016
520 $aSeven biochemical descriptors were used to estimate the genotypic variability of peanut in response to moderate water stress. Six genotypes, constituted by four lines and two cultivars, were grown in pots, each containing two plants. At 15 days after emergence (DAE), the treatment differentiation was carried out: Control-plants maintained with daily watering, and Stress-plants submitted to water stress by complete suspension of watering for 15 days. The experimental design was completely randomized with factorial scheme 6 x 2 (genotype x water treatments), with five replications. The biochemical variables evaluated were: catalase (CAT), ascorbate peroxidase (APX), guaiacol peroxidase (GPX), free proline, total carbohydrates, soluble proteins, and amino acids. Results obtained by biochemical analysis and estimation of genotypic variability indicated that proline is the most appropriate descriptor for selecting genotypes tolerant to water stress, which led to identification of L81V and L108V as promising lines for drought tolerance breeding program.
650 $aPeanuts
650 $aAmendoim
650 $aArachis hypogaea
653 $aEnzima antioxidativa
653 $aEstresse hídrico
700 1 $aPEREIRA, J. W. de L.
700 1 $aLUZ, L. N. da
700 1 $aLIMA, L. M. de
700 1 $aSANTOS, R. C. dos
773 $tRevista Caatinga$gv. 29, n. 3, p. 528-536, jul./set. 2016.
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Registro original: |
Embrapa Algodão (CNPA) |
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