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Registro Completo |
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Biblioteca(s): |
Embrapa Territorial. |
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Data corrente: |
28/08/2017 |
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Data da última atualização: |
09/10/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MENEZES, I. P. P. DE; HOFFMANN, L. V.; SILVA, A. R. DA; BARROSO, P. A. V. |
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Afiliação: |
IVANDILSON PESSOA PINTO DE MENEZES, INSTITUTO FEDERAL GOIANO; LUCIA VIEIRA HOFFMANN, CNPA; A. R. DA SILVA, UNIVERSIDADE FEDERAL RURAL DE PERNAMBUCO; PAULO AUGUSTO VIANNA BARROSO, CNPM. |
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Título: |
Genetic diversity of arboreal cotton populations of the Brazilian semiarid: a remnant primary gene pool for cotton cultivars. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Genetics and Molecular Research, v. 16, n. 3, p. 1-13, 2017. |
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DOI: |
http://dx.doi.org/10.4238/gmr16039659 |
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Idioma: |
Inglês |
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Conteúdo: |
Mocó cotton belong to the same species as the cultivated species, Gossypium hirsutum, and cultivated forms were mainly landraces but also developed as cultivars, bearing good fiber quality and drought tolerant when cropped as a perennial species. The northeast Brazil crop system based on this cotton type is finished, with a few small area planted in the three main States, where it was previously cultivated (Ceará, Paraíba, and Rio Grande do Norte), but in others, maintenance is accomplished by single dooryard plants. Plants were found in all visited Northeast Brazil municipalities, sometimes in the North of the country, and were collected for ex situ preservation and evaluation. Most of seeds had no fuzz (62.2%) and 94.6% of the genotypes presented spot in flowers. Seventy-one alleles were revealed in 12 loci. The genetic structure of the population evaluated by microsatellite markers shows two main groups, one comprising the Seridó region where landraces were originated and other comprising the state of Ceará, where a specific breeding program was developed. Genotypes collected in North Brazil States as well as those collected in Bahia, Alagoas, and Sergipe grouped with those collected in Ceará. The Mantel correlogram indicates a significant (P < 0.05) correlation between genetic and geographical distances up to 77 km. The ex situ maintenance and agronomical evaluation are the main concerns for mocó, as the use of the agricultural interesting traits, possibly introgressed to other genotypes, is predicted. The in situ preservation is still of interest since there is more diversity there than in the collected plants and some should be continued due to use as medicinal plant. MenosMocó cotton belong to the same species as the cultivated species, Gossypium hirsutum, and cultivated forms were mainly landraces but also developed as cultivars, bearing good fiber quality and drought tolerant when cropped as a perennial species. The northeast Brazil crop system based on this cotton type is finished, with a few small area planted in the three main States, where it was previously cultivated (Ceará, Paraíba, and Rio Grande do Norte), but in others, maintenance is accomplished by single dooryard plants. Plants were found in all visited Northeast Brazil municipalities, sometimes in the North of the country, and were collected for ex situ preservation and evaluation. Most of seeds had no fuzz (62.2%) and 94.6% of the genotypes presented spot in flowers. Seventy-one alleles were revealed in 12 loci. The genetic structure of the population evaluated by microsatellite markers shows two main groups, one comprising the Seridó region where landraces were originated and other comprising the state of Ceará, where a specific breeding program was developed. Genotypes collected in North Brazil States as well as those collected in Bahia, Alagoas, and Sergipe grouped with those collected in Ceará. The Mantel correlogram indicates a significant (P < 0.05) correlation between genetic and geographical distances up to 77 km. The ex situ maintenance and agronomical evaluation are the main concerns for mocó, as the use of the agricultural interesting traits, possibly introgressed t... Mostrar Tudo |
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Palavras-Chave: |
Genetic diversity; Genetic structure; Microsatellite markers; Mocó cotton. |
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Thesaurus Nal: |
Germplasm conservation. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/164845/1/4840.pdf
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Marc: |
LEADER 02482naa a2200229 a 4500
001 2074553
005 2017-10-09
008 2017 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.4238/gmr16039659$2DOI
100 1 $aMENEZES, I. P. P. DE
245 $aGenetic diversity of arboreal cotton populations of the Brazilian semiarid$ba remnant primary gene pool for cotton cultivars.$h[electronic resource]
260 $c2017
520 $aMocó cotton belong to the same species as the cultivated species, Gossypium hirsutum, and cultivated forms were mainly landraces but also developed as cultivars, bearing good fiber quality and drought tolerant when cropped as a perennial species. The northeast Brazil crop system based on this cotton type is finished, with a few small area planted in the three main States, where it was previously cultivated (Ceará, Paraíba, and Rio Grande do Norte), but in others, maintenance is accomplished by single dooryard plants. Plants were found in all visited Northeast Brazil municipalities, sometimes in the North of the country, and were collected for ex situ preservation and evaluation. Most of seeds had no fuzz (62.2%) and 94.6% of the genotypes presented spot in flowers. Seventy-one alleles were revealed in 12 loci. The genetic structure of the population evaluated by microsatellite markers shows two main groups, one comprising the Seridó region where landraces were originated and other comprising the state of Ceará, where a specific breeding program was developed. Genotypes collected in North Brazil States as well as those collected in Bahia, Alagoas, and Sergipe grouped with those collected in Ceará. The Mantel correlogram indicates a significant (P < 0.05) correlation between genetic and geographical distances up to 77 km. The ex situ maintenance and agronomical evaluation are the main concerns for mocó, as the use of the agricultural interesting traits, possibly introgressed to other genotypes, is predicted. The in situ preservation is still of interest since there is more diversity there than in the collected plants and some should be continued due to use as medicinal plant.
650 $aGermplasm conservation
653 $aGenetic diversity
653 $aGenetic structure
653 $aMicrosatellite markers
653 $aMocó cotton
700 1 $aHOFFMANN, L. V.
700 1 $aSILVA, A. R. DA
700 1 $aBARROSO, P. A. V.
773 $tGenetics and Molecular Research$gv. 16, n. 3, p. 1-13, 2017.
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Embrapa Territorial (CNPM) |
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| 1. |  | PELÍCIA, V. C.; DUCATTI, C.; ARAUJO, P. C. da; STRADIOTTI, A. C.; AOYAGI, M. M.; FERNANDES, B. da S.; SILVA, E. T.; SARTORI, J. R. Ação trófica de aditivos fitogênicos, glutamina e ácido glutâmico sobre a Bursa de Fabrícius e intestino delgado de frangos de corte. Pesquisa Veterinária Brasileira v. 35, n.7, p. 691-699, julho 2015.| Biblioteca(s): Embrapa Unidades Centrais. |
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