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Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
03/12/2014 |
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Data da última atualização: |
26/01/2018 |
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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: |
ENTRINGER, G. C.; GUEDES, F. L.; OLIVEIRA, A. A.; NASCIMENTO, J. P.; SOUZA, J. C. |
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Afiliação: |
Universidade Estadual do Norte Fluminense Darcy Ribeiro - Campos dos Goytacazes, RJ, Brasil; FERNANDO LISBOA GUEDES, CNPC; Universidade Federal de Lavras - Lavras, MG, Brasil; Universidade Federal de Lavras - Lavras, MG, Brasil; Universidade Federal de Lavras - Lavras, MG, Brasil. |
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Título: |
Genetic control of leaf curl in maize. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Genetics and Molecular Research, v. 13, n. 1, p. 1672-1678, 2014. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Among the many implications of climatic change on agriculture, drought is expected to continue to have a major impact on agribusinesses. Leaf curling is an anatomical characteristic that might be potentially used to enhance plant tolerance to water deficit. Hence, we aimed to study the genetic control of leaf curl in maize. From 2 contrasting inbred lines for the trait, generations F1 , F2 , and the backcrosses were obtained. All of these generations were evaluated in a randomized block design with 2 replicates. Leaf curl samples were collected from 3 leaves above the first ear at the tasseling stage, and quantified by dividing the width of the leaf blade with natural curling against its extended width. The mean and variance components were estimated by the weighted least square method. It was found that the trait studied has predominance of the additive effects, with genetic control being attributed to few genes that favor selection and exhibit minimal influence from the environment. |
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Palavras-Chave: |
Genetic components; Genetic control; Herdabilidade; Maize. |
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Thesagro: |
Área foliar; Controle genético; Genética vegetal; Melhoramento genético vegetal; Milho; Resistência à seca; Zea Mays. |
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Thesaurus NAL: |
Drought tolerance; Genetic improvement; Heritability; Leaf area; Plant genetic resources; Plant genetics. |
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Categoria do assunto: |
G Melhoramento Genético |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/112987/1/ap-Genetic.pdf
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Marc: |
LEADER 02031naa a2200373 a 4500
001 2001514
005 2018-01-26
008 2014 bl uuuu u00u1 u #d
100 1 $aENTRINGER, G. C.
245 $aGenetic control of leaf curl in maize.$h[electronic resource]
260 $c2014
520 $aAbstract: Among the many implications of climatic change on agriculture, drought is expected to continue to have a major impact on agribusinesses. Leaf curling is an anatomical characteristic that might be potentially used to enhance plant tolerance to water deficit. Hence, we aimed to study the genetic control of leaf curl in maize. From 2 contrasting inbred lines for the trait, generations F1 , F2 , and the backcrosses were obtained. All of these generations were evaluated in a randomized block design with 2 replicates. Leaf curl samples were collected from 3 leaves above the first ear at the tasseling stage, and quantified by dividing the width of the leaf blade with natural curling against its extended width. The mean and variance components were estimated by the weighted least square method. It was found that the trait studied has predominance of the additive effects, with genetic control being attributed to few genes that favor selection and exhibit minimal influence from the environment.
650 $aDrought tolerance
650 $aGenetic improvement
650 $aHeritability
650 $aLeaf area
650 $aPlant genetic resources
650 $aPlant genetics
650 $aÁrea foliar
650 $aControle genético
650 $aGenética vegetal
650 $aMelhoramento genético vegetal
650 $aMilho
650 $aResistência à seca
650 $aZea Mays
653 $aGenetic components
653 $aGenetic control
653 $aHerdabilidade
653 $aMaize
700 1 $aGUEDES, F. L.
700 1 $aOLIVEIRA, A. A.
700 1 $aNASCIMENTO, J. P.
700 1 $aSOUZA, J. C.
773 $tGenetics and Molecular Research$gv. 13, n. 1, p. 1672-1678, 2014.
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Embrapa Caprinos e Ovinos (CNPC) |
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