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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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Autoria: |
FARIAS, F. J. C.; CARVALHO, L. P. de; SILVA FILHO, J. L. da; TEODORO, P. E. |
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Afiliação: |
FRANCISCO JOSE CORREIA FARIAS, CNPA; LUIZ PAULO DE CARVALHO, CNPA; JOAO LUIS DA SILVA FILHO, CNPA; PAULO EDUARDO TEODORO, UFV. |
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Título: |
Correlations and path analysis among agronomic and technological traits of upland cotton. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Genetics and Molecular Research, v. 15, n. 3, 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
To date, path analysis has been used with the aim of breeding different cultures. However, for cotton, there have been few studies using this analysis, and all of these have used fiber productivity as the primary dependent variable. Therefore, the aim of the present study was to identify agronomic and technological properties that can be used as criteria for direct and indirect phenotypes in selecting cotton genotypes with better fibers. We evaluated 16 upland cotton genotypes in eight trials conducted during the harvest 2008/2009 in the State of Mato Grosso, using a randomized block design with four replicates. The evaluated traits were: plant height, average boll weight, percentage of fiber, cotton seed yield, fiber length, uniformity of fiber, short fiber index, fiber strength, elongation, maturity of the fibers, micronaire, reflectance, and the degree of yellowing. Phenotypic correlations between the traits and cotton fiber yield (main dependent variable were unfolded in direct and indirect effects through path analysis. Fiber strength, uniformity of fiber, and reflectance were found to influence fiber length, and therefore, these traits are recommended for both direct and indirect selection of cotton genotypes. |
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Palavras-Chave: |
Melhoramento genético; Upland cotton. |
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Thesagro: |
Algodão; Fibra; Gossypium hirsutum. |
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Thesaurus Nal: |
Cotton. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/156959/1/Correlations-and-path-analysis.pdf
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Marc: |
LEADER 01903naa a2200229 a 4500
001 2065949
005 2017-03-03
008 2016 bl uuuu u00u1 u #d
100 1 $aFARIAS, F. J. C.
245 $aCorrelations and path analysis among agronomic and technological traits of upland cotton.$h[electronic resource]
260 $c2016
520 $aTo date, path analysis has been used with the aim of breeding different cultures. However, for cotton, there have been few studies using this analysis, and all of these have used fiber productivity as the primary dependent variable. Therefore, the aim of the present study was to identify agronomic and technological properties that can be used as criteria for direct and indirect phenotypes in selecting cotton genotypes with better fibers. We evaluated 16 upland cotton genotypes in eight trials conducted during the harvest 2008/2009 in the State of Mato Grosso, using a randomized block design with four replicates. The evaluated traits were: plant height, average boll weight, percentage of fiber, cotton seed yield, fiber length, uniformity of fiber, short fiber index, fiber strength, elongation, maturity of the fibers, micronaire, reflectance, and the degree of yellowing. Phenotypic correlations between the traits and cotton fiber yield (main dependent variable were unfolded in direct and indirect effects through path analysis. Fiber strength, uniformity of fiber, and reflectance were found to influence fiber length, and therefore, these traits are recommended for both direct and indirect selection of cotton genotypes.
650 $aCotton
650 $aAlgodão
650 $aFibra
650 $aGossypium hirsutum
653 $aMelhoramento genético
653 $aUpland cotton
700 1 $aCARVALHO, L. P. de
700 1 $aSILVA FILHO, J. L. da
700 1 $aTEODORO, P. E.
773 $tGenetics and Molecular Research$gv. 15, n. 3, 2016.
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Embrapa Algodão (CNPA) |
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