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| 20. |  | CRUSIOL, L. G. T.; CARVALHO, J. F. C.; FARIAS, J. R. B. Análise da disponibilidade hídrica na fazenda da Embrapa Soja (Londrina, PR) nas safras de 2009/2010, 2010/2011 e 2011/2012. In: JORNADA ACADÊMICA DA EMBRAPA SOJA, 7., 2012, Londrina. Resumos expandidos... Londrina: Embrapa Soja, 2012. p. 99-107. (Embrapa Soja. Documentos, 333). Editado por Paula Gerón Saiz de Mello. Disponível em: .| Biblioteca(s): Embrapa Soja. |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
25/08/2005 |
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Data da última atualização: |
20/08/2018 |
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Autoria: |
CARVALHO, J. F. R. P. de; ROBINSON, I. P.; ALFENAS, A. C. |
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Afiliação: |
Jane Fiuza Rodrigues Portela de Carvalho, Instituto Agronômico do Paraná - IAPAR/Laboratório de Biotecnologia; Ingrid Peters Robinson, State University of New York/University at Albany/Biological Sciences; Acelino Couto Alfenas, Universidade Federal de Viçosa - UFV/Departamento de Fitopatologia/Bioagro. |
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Título: |
Isozymic variability in a Brazilian collection of annatto (Bixa orellana L.). |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 40, n. 7, p. 653-660, jul. 2005 |
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Idioma: |
Inglês |
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Notas: |
Título em português: Variabilidade isoenzimática em uma coleção brasileira de urucum (Bixa orellana L.) |
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Conteúdo: |
The objectives of this work were to optimize the isozyme electrophoresis technique for Bixa orellana, and use isozyme markers for a preliminary survey on the genetic variability in Brazilian annatto germplasm accessions. Collection consisted of seed samples from sixty open pollinated trees, representing two Northern and four Southern geographic provenances. The extraction, electrophoresis, and interpretation of annatto isozymes are described. Three out of the twenty-one identified isozyme loci were polymorphic in the collection. The percentage of polymorphic loci (P = 21.05) and the expected heterozygosity in annatto (HT = 0.064) were low, compared to other tropical woody species. A UPGMA phenogram, constructed with Nei's genetic distances, clearly separated the germplasm provenant from North and Central Brazil. Variability was significantly higher among the accessions from Maranhão. A sharp genetic differentiation was detected between accessions from Maranhão and Pará States, despite their geographical proximity. The distinctive isozyme polymorphism, observed in the accessions from Maranhão, together with reports on local morphological heterogeneity in annatto fruit shape, color, and pubescence, calls for more detailed genetic and taxonomic investigation. |
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Palavras-Chave: |
allozyme; aloenzima; dendrograma; genetic variability; lipstick plant; phenogram; variabilidade genética. |
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Thesagro: |
Germoplasma; Urucum. |
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Thesaurus NAL: |
germplasm. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/107731/1/Isozymic.pdf
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Marc: |
LEADER 02153naa a2200277 a 4500
001 1115572
005 2018-08-20
008 2005 bl uuuu u00u1 u #d
100 1 $aCARVALHO, J. F. R. P. de
245 $aIsozymic variability in a Brazilian collection of annatto (Bixa orellana L.).
260 $c2005
500 $aTítulo em português: Variabilidade isoenzimática em uma coleção brasileira de urucum (Bixa orellana L.)
520 $aThe objectives of this work were to optimize the isozyme electrophoresis technique for Bixa orellana, and use isozyme markers for a preliminary survey on the genetic variability in Brazilian annatto germplasm accessions. Collection consisted of seed samples from sixty open pollinated trees, representing two Northern and four Southern geographic provenances. The extraction, electrophoresis, and interpretation of annatto isozymes are described. Three out of the twenty-one identified isozyme loci were polymorphic in the collection. The percentage of polymorphic loci (P = 21.05) and the expected heterozygosity in annatto (HT = 0.064) were low, compared to other tropical woody species. A UPGMA phenogram, constructed with Nei's genetic distances, clearly separated the germplasm provenant from North and Central Brazil. Variability was significantly higher among the accessions from Maranhão. A sharp genetic differentiation was detected between accessions from Maranhão and Pará States, despite their geographical proximity. The distinctive isozyme polymorphism, observed in the accessions from Maranhão, together with reports on local morphological heterogeneity in annatto fruit shape, color, and pubescence, calls for more detailed genetic and taxonomic investigation.
650 $agermplasm
650 $aGermoplasma
650 $aUrucum
653 $aallozyme
653 $aaloenzima
653 $adendrograma
653 $agenetic variability
653 $alipstick plant
653 $aphenogram
653 $avariabilidade genética
700 1 $aROBINSON, I. P.
700 1 $aALFENAS, A. C.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 40, n. 7, p. 653-660, jul. 2005
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Embrapa Unidades Centrais (AI-SEDE) |
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