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Registro Completo |
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
19/02/2015 |
Data da última atualização: |
15/07/2015 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
FREIRE, A. I.; DIAS, K. O. G.; OLIVEIRA, L. B. V.; NALIN, R. S.; GUEDES, F. L.; SOUZA, J. C. |
Afiliação: |
Universidade Federal de Lavras (UFLA) - Lavras, MG, Brasil; UFLA - Lavras, MG, Brasil; UFLA - Lavras, MG, Brasil; UFLA - Lavras, MG, Brasil; FERNANDO LISBOA GUEDES, CNPC; UFLA - Lavras, MG, Brasil. |
Título: |
Genetic control of the number of leaves above the ear in maize. |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
Genetics and Molecular Research, Ribeirao Preto, v. 14, n. 1, p. 1318-1323, Mar. 2015. |
DOI: |
http://dx.doi.org/10.4238/2015.February.13.11 |
Idioma: |
Inglês |
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. |
Palavras-Chave: |
Genetic components; Maize. |
Thesagro: |
Anatomia vegetal; Área foliar; Folha; Melhoramento genético vegetal; Milho; Zea mays. |
Thesaurus Nal: |
Leaf area; Leaves; Plant anatomy; Plant breeding; Plant genetics. |
Categoria do assunto: |
G Melhoramento Genético |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/118123/1/CNPC-2015-Genetic.pdf
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Marc: |
LEADER 02000naa a2200349 a 4500 001 2008927 005 2015-07-15 008 2015 bl uuuu u00u1 u #d 024 7 $ahttp://dx.doi.org/10.4238/2015.February.13.11$2DOI 100 1 $aFREIRE, A. I. 245 $aGenetic control of the number of leaves above the ear in maize.$h[electronic resource] 260 $c2015 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 $aLeaf area 650 $aLeaves 650 $aPlant anatomy 650 $aPlant breeding 650 $aPlant genetics 650 $aAnatomia vegetal 650 $aÁrea foliar 650 $aFolha 650 $aMelhoramento genético vegetal 650 $aMilho 650 $aZea mays 653 $aGenetic components 653 $aMaize 700 1 $aDIAS, K. O. G. 700 1 $aOLIVEIRA, L. B. V. 700 1 $aNALIN, R. S. 700 1 $aGUEDES, F. L. 700 1 $aSOUZA, J. C. 773 $tGenetics and Molecular Research, Ribeirao Preto$gv. 14, n. 1, p. 1318-1323, Mar. 2015.
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Embrapa Caprinos e Ovinos (CNPC) |
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