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| Registros recuperados : 267 | |
| Registros recuperados : 267 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental; Embrapa Pecuária Sudeste. |
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Data corrente: |
08/06/2017 |
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Data da última atualização: |
21/11/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
BELONI, T.; PEZZOPANE, C. de G.; ROVADOSCKI, G. A.; FAVERO, A. P.; DIAS FILHO, M. B.; SANTOS, P. M. |
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Afiliação: |
Tatiane Beloni, USP; Cristiana de Gaspari Pezzopane, Bolsista/Embrapa Pecuária Sudeste; Gregori Alberto Rovadoscki, USP; ALESSANDRA PEREIRA FAVERO, CPPSE; MOACYR BERNARDINO DIAS FILHO, CPATU; PATRICIA MENEZES SANTOS, CPPSE. |
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Título: |
Morphological and physiological responses and the recovery ability of Paspalum accessions to water deficit and waterlogging. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Grass and Forage Science, v. 72, n. 4, p. 840-850, 2017. |
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DOI: |
10.1111/gfs.12281 |
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Idioma: |
Inglês
Português |
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Conteúdo: |
Limited knowledge about the agronomic potential of Paspalum species from the Americas hinders their use in pastures. The response mechanisms to water deficit and waterlogging were studied in five accessions of Paspalum sp. (P. regnellii cv. BRS Guará and BGP 397, P. conspersum BGP 402 and P. malacophyllum BGP 289 and BGP 293) and Urochloa brizantha cv. Marandu. Morphological and physiological traits at the end of the stress and after the recovery period were measured. All Paspalum accessions, especially BGP 289, BGP 402 and BGP 397, and also cv. Marandu, showed survival mechanisms to water deficit. BRS Guará showed adaptive features to waterlogging, although had with a low survival rate to water deficit. Under waterlogging, BGP 289 and cv. Marandu showed reduced growth, and after the recovery period, they presented low plant survival and root recovery. Although growth of BGP 293 was reduced during waterlogging, it presented high tiller survival rate. BGP 293, BGP 402 and BGP 397 showed adaptive potential strategies for waterlogging and water deficit. There is genetic variability among the evaluated accessions for water deficit and waterlogging stresses, suggesting that they may be used per se or as progenitors in crosses with other genotypes in breeding programmes. |
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Palavras-Chave: |
Déficit hídrico; Tiller survival. |
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Thesagro: |
Brachiaria Brizantha; Pastagem. |
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Thesaurus NAL: |
abiotic stress; Paspalum; water stress. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02127naa a2200277 a 4500
001 2070609
005 2017-11-21
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1111/gfs.12281$2DOI
100 1 $aBELONI, T.
245 $aMorphological and physiological responses and the recovery ability of Paspalum accessions to water deficit and waterlogging.$h[electronic resource]
260 $c2017
520 $aLimited knowledge about the agronomic potential of Paspalum species from the Americas hinders their use in pastures. The response mechanisms to water deficit and waterlogging were studied in five accessions of Paspalum sp. (P. regnellii cv. BRS Guará and BGP 397, P. conspersum BGP 402 and P. malacophyllum BGP 289 and BGP 293) and Urochloa brizantha cv. Marandu. Morphological and physiological traits at the end of the stress and after the recovery period were measured. All Paspalum accessions, especially BGP 289, BGP 402 and BGP 397, and also cv. Marandu, showed survival mechanisms to water deficit. BRS Guará showed adaptive features to waterlogging, although had with a low survival rate to water deficit. Under waterlogging, BGP 289 and cv. Marandu showed reduced growth, and after the recovery period, they presented low plant survival and root recovery. Although growth of BGP 293 was reduced during waterlogging, it presented high tiller survival rate. BGP 293, BGP 402 and BGP 397 showed adaptive potential strategies for waterlogging and water deficit. There is genetic variability among the evaluated accessions for water deficit and waterlogging stresses, suggesting that they may be used per se or as progenitors in crosses with other genotypes in breeding programmes.
650 $aabiotic stress
650 $aPaspalum
650 $awater stress
650 $aBrachiaria Brizantha
650 $aPastagem
653 $aDéficit hídrico
653 $aTiller survival
700 1 $aPEZZOPANE, C. de G.
700 1 $aROVADOSCKI, G. A.
700 1 $aFAVERO, A. P.
700 1 $aDIAS FILHO, M. B.
700 1 $aSANTOS, P. M.
773 $tGrass and Forage Science$gv. 72, n. 4, p. 840-850, 2017.
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Embrapa Pecuária Sudeste (CPPSE) |
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