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| Registros recuperados : 142 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
15/09/2017 |
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Data da última atualização: |
07/11/2018 |
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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: |
PEREIRA, A. A.; PERONI, N.; CAVALLARI, M. M.; LEMES, M. R.; ZUCCHI, M. I.; CLEMENT, C. R. |
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Afiliação: |
Alessandro Alves Pereira, USP; Nivaldo Peroni, UFSC; MARCELO MATTOS CAVALLARI, CPPSE; Maristerra Rodrigues Lemes, Instituto Nacional de Pesquisas da Amazônia; Maria Imaculada Zucchi, Agência Paulista de Tecnologia dos Agronegócios; Charles Roland Clement, UFAM. |
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Título: |
High genetic diversity among and within bitter manioc varieties cultivated in different soil types in Central Amazonia. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Genetics and Molecular Biology, v. 40, n. 2, p. 468-479, 2017. |
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DOI: |
http://dx.doi.org/10.1590/1678-4685-gmb-2016-0046 |
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Idioma: |
Inglês |
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Conteúdo: |
Although manioc is well adapted to nutrient-poor Oxisols of Amazonia, ethnobotanical observations show that bitter manioc is also frequently cultivated in the highly fertile soils of the floodplains and Amazonian dark earths (ADE) along the middle Madeira River. Because different sets of varieties are grown in each soil type, and there are agronomic similarities between ADE and floodplain varieties, it was hypothesized that varieties grown in ADE and floodplain were more closely related to each other than either is to varieties grown in Oxisols. We tested this hypothesis evaluating the intra-varietal genetic diversity and the genetic relationships among manioc varieties commonly cultivated in Oxisols, ADE and floodplain soils. Genetic results did not agree with ethnobotanical expectation, since the relationships between varieties were variable and most individuals of varieties with the same vernacular name, but grown in ADE and floodplain, were distinct. Although the same vernacular name could not always be associated with genetic similarities, there is still a great amount of variation among the varieties. Many ecological and genetic processes may explain the high genetic diversity and differentiation found for bitter manioc varieties, but all contribute to the maintenance and amplification of genetic diversity within the manioc in Central Amazonia. |
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Palavras-Chave: |
Amazonian dark earths; Microsatellites. |
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Thesagro: |
Manihot Esculenta. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02126naa a2200229 a 4500
001 2075693
005 2018-11-07
008 2017 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1590/1678-4685-gmb-2016-0046$2DOI
100 1 $aPEREIRA, A. A.
245 $aHigh genetic diversity among and within bitter manioc varieties cultivated in different soil types in Central Amazonia.$h[electronic resource]
260 $c2017
520 $aAlthough manioc is well adapted to nutrient-poor Oxisols of Amazonia, ethnobotanical observations show that bitter manioc is also frequently cultivated in the highly fertile soils of the floodplains and Amazonian dark earths (ADE) along the middle Madeira River. Because different sets of varieties are grown in each soil type, and there are agronomic similarities between ADE and floodplain varieties, it was hypothesized that varieties grown in ADE and floodplain were more closely related to each other than either is to varieties grown in Oxisols. We tested this hypothesis evaluating the intra-varietal genetic diversity and the genetic relationships among manioc varieties commonly cultivated in Oxisols, ADE and floodplain soils. Genetic results did not agree with ethnobotanical expectation, since the relationships between varieties were variable and most individuals of varieties with the same vernacular name, but grown in ADE and floodplain, were distinct. Although the same vernacular name could not always be associated with genetic similarities, there is still a great amount of variation among the varieties. Many ecological and genetic processes may explain the high genetic diversity and differentiation found for bitter manioc varieties, but all contribute to the maintenance and amplification of genetic diversity within the manioc in Central Amazonia.
650 $aManihot Esculenta
653 $aAmazonian dark earths
653 $aMicrosatellites
700 1 $aPERONI, N.
700 1 $aCAVALLARI, M. M.
700 1 $aLEMES, M. R.
700 1 $aZUCCHI, M. I.
700 1 $aCLEMENT, C. R.
773 $tGenetics and Molecular Biology$gv. 40, n. 2, p. 468-479, 2017.
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