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Registro Completo |
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Biblioteca(s): |
Embrapa Algodão. |
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Data corrente: |
21/03/2016 |
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Data da última atualização: |
09/03/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CARVALHO, L. P. de; FARIAS, F. J. C.; RODRIGUES, J. I. DA S. |
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Afiliação: |
LUIZ PAULO DE CARVALHO, CNPA; FRANCISCO JOSE CORREIA FARIAS, CNPA; JOSIANE ISABELA DA SILVA ROFRIGUES, CNPA. |
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Título: |
Selection for increased fiber length in cotton progenies from Acala and Non-Acala types. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Crop Science, v. 55, p. 1-7, May./June 2015. |
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ISSN: |
0011-183X |
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Idioma: |
Inglês |
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Conteúdo: |
Cotton (Gossypium hirsutum L. r. latifolium Hutch.) is one of the crops of greatest economic importance in Brazil. The changes in weaving technology, competition with synthetic fibers, and the globalization of cotton and textile production have increased the demand for better quality fibers. One of the characteristics to be improved is fiber length. Brazil traditionally produced and exported longer cotton fibers through the production of G. hirsutum L. r. marie galante, but this race has not been produced during the last 10 yr because of its perennial growth habit, which hinders control of the cotton boll weevil, Anthonomus grandis. This work studied some genetic aspects of fiber length in segregating generations of crosses between two upland cultivars, Guazuncho 2 (PI 606819) and Acala SJ4 (PI 529538). Single-seed descent protocol and pedigree breeding procedures were used to advance generations. The fibers of the recombinant inbred lines (RILs) and those originated by pedigree procedure were evaluated by high-volume instrument for length, lint percentage, and strength. The results suggest that it is possible to select materials with improved upper-half mean length (UHML) that have values approaching a commercial extralong staple upland cultivar. A high percentage of the RILs also exhibited a UHML greater than 32 mm. Genetic gain for fiber length from the F4 to the F5 generation was 6.8%, indicating significant variability for UHML. The result indicates that simple methods of intrapopulational breeding may lead to genetic gains in UHML. MenosCotton (Gossypium hirsutum L. r. latifolium Hutch.) is one of the crops of greatest economic importance in Brazil. The changes in weaving technology, competition with synthetic fibers, and the globalization of cotton and textile production have increased the demand for better quality fibers. One of the characteristics to be improved is fiber length. Brazil traditionally produced and exported longer cotton fibers through the production of G. hirsutum L. r. marie galante, but this race has not been produced during the last 10 yr because of its perennial growth habit, which hinders control of the cotton boll weevil, Anthonomus grandis. This work studied some genetic aspects of fiber length in segregating generations of crosses between two upland cultivars, Guazuncho 2 (PI 606819) and Acala SJ4 (PI 529538). Single-seed descent protocol and pedigree breeding procedures were used to advance generations. The fibers of the recombinant inbred lines (RILs) and those originated by pedigree procedure were evaluated by high-volume instrument for length, lint percentage, and strength. The results suggest that it is possible to select materials with improved upper-half mean length (UHML) that have values approaching a commercial extralong staple upland cultivar. A high percentage of the RILs also exhibited a UHML greater than 32 mm. Genetic gain for fiber length from the F4 to the F5 generation was 6.8%, indicating significant variability for UHML. The result indicates that simple methods ... Mostrar Tudo |
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Palavras-Chave: |
Textile production. |
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Thesagro: |
Algodão; Anthonomus Grandis; 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/141484/1/Selection-for-increased-fiber-length-in-cotton-....pdf
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Marc: |
LEADER 02220naa a2200229 a 4500
001 2041554
005 2017-03-09
008 2015 bl uuuu u00u1 u #d
022 $a0011-183X
100 1 $aCARVALHO, L. P. de
245 $aSelection for increased fiber length in cotton progenies from Acala and Non-Acala types.$h[electronic resource]
260 $c2015
520 $aCotton (Gossypium hirsutum L. r. latifolium Hutch.) is one of the crops of greatest economic importance in Brazil. The changes in weaving technology, competition with synthetic fibers, and the globalization of cotton and textile production have increased the demand for better quality fibers. One of the characteristics to be improved is fiber length. Brazil traditionally produced and exported longer cotton fibers through the production of G. hirsutum L. r. marie galante, but this race has not been produced during the last 10 yr because of its perennial growth habit, which hinders control of the cotton boll weevil, Anthonomus grandis. This work studied some genetic aspects of fiber length in segregating generations of crosses between two upland cultivars, Guazuncho 2 (PI 606819) and Acala SJ4 (PI 529538). Single-seed descent protocol and pedigree breeding procedures were used to advance generations. The fibers of the recombinant inbred lines (RILs) and those originated by pedigree procedure were evaluated by high-volume instrument for length, lint percentage, and strength. The results suggest that it is possible to select materials with improved upper-half mean length (UHML) that have values approaching a commercial extralong staple upland cultivar. A high percentage of the RILs also exhibited a UHML greater than 32 mm. Genetic gain for fiber length from the F4 to the F5 generation was 6.8%, indicating significant variability for UHML. The result indicates that simple methods of intrapopulational breeding may lead to genetic gains in UHML.
650 $acotton
650 $aAlgodão
650 $aAnthonomus Grandis
650 $aFibra
650 $aGossypium hirsutum
653 $aTextile production
700 1 $aFARIAS, F. J. C.
700 1 $aRODRIGUES, J. I. DA S.
773 $tCrop Science$gv. 55, p. 1-7, May./June 2015.
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Registro original: |
Embrapa Algodão (CNPA) |
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| 57. |  | HOOGERHEID, E. S. S.; FARIAS, F. J. C.; VENCOVSKY, R.; FREIRE, E. C. Estabilidade fenotípica de genótipos de algodoeiro no Estado do Mato Grosso Pesquisa Agropecuária Brasileira, Brasília, DF, v. 42, n. 5, p. 695-698, maio 2007 Título em inglês: Phenotypic stability in cotton genotypes in Mato Grosso State, Brazil.| Biblioteca(s): Embrapa Unidades Centrais. |
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| Registros recuperados : 294 | |
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