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Registro Completo |
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Biblioteca(s): |
Embrapa Café. |
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Data corrente: |
24/01/2013 |
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Data da última atualização: |
24/01/2013 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
GUEDES, J. M.; VILELA, D. J. M.; REZENDE, J. C.; CARVALHO, S. P.; PEREIRA, A. A.; SILVA, F. L.; OLIVEIRA, A. C. B. de; MENDONÇA, E. R.; SAMPAIO, S. M. |
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Afiliação: |
JANINE M. GUEDES, UFLA; DIEGO J. M. VILELA, UFLA; JULIANA C. REZENDE, EPAMIG; SAMUEL P. CARVALHO, UFLA; ANTOÔNIO A. PEREIRA, EPAMIG; FELIPE L. SILVA, EPAMIG; ANTONIO CARLOS BAIAO DE OLIVEIRA, SAPC; EDLEYNE R. MENDONÇA, FAPEMIG; SARA M. SAMPAIO, FAPEMIG. |
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Título: |
Genetic divergence between Maragogipe access to the active germplasm bank of coffee of Minas Gerais State. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE ON COFFEE SCIENCE, 24., 2012, Costa Rica. Programme & abstracts. [S.l.]: Association for Science and Information on Coffee, 2012. |
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Páginas: |
p. 203 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this work was to analyze coffee (Coffea arabica) genotypes resistant to the coffee leaf miner (Leucoptera coffeella) using microsatellite markers. Sixty?six loci were evaluated, of which 63 were obtained from the Brazilian Coffee Expressed Sequence Tag (EST) database. These loci were amplified in bulks of individuals from F5 progenies of 'Siriema' (C. arabica x C. racemosa) resistant and susceptible to the insect, in eight samples of C. racemosa, and in a F6 population of 'Siriema' with 91 individuals segregating for resistance to the leaf miner. Polymorphisms were verified for two simple sequence repeat (SSR) loci in bulks of the susceptible progenies. The two polymorphic alleles were present in around 70% of the susceptible genotypes in F5 and in approximately 90% of the susceptible individuals in F6. However, the polymorphic EST?SSR markers among populations contrasting for resistance to leaf miner were not correlated to the evaluated characteristics. SSR markers show inter? and intraspecific polymorphism in C. arabica and C. racemosa. |
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Palavras-Chave: |
Germoplasm bank. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01873nam a2200229 a 4500
001 1946293
005 2013-01-24
008 2012 bl uuuu u00u1 u #d
100 1 $aGUEDES, J. M.
245 $aGenetic divergence between Maragogipe access to the active germplasm bank of coffee of Minas Gerais State.$h[electronic resource]
260 $aIn: INTERNATIONAL CONFERENCE ON COFFEE SCIENCE, 24., 2012, Costa Rica. Programme & abstracts. [S.l.]: Association for Science and Information on Coffee$c2012
300 $ap. 203
520 $aThe objective of this work was to analyze coffee (Coffea arabica) genotypes resistant to the coffee leaf miner (Leucoptera coffeella) using microsatellite markers. Sixty?six loci were evaluated, of which 63 were obtained from the Brazilian Coffee Expressed Sequence Tag (EST) database. These loci were amplified in bulks of individuals from F5 progenies of 'Siriema' (C. arabica x C. racemosa) resistant and susceptible to the insect, in eight samples of C. racemosa, and in a F6 population of 'Siriema' with 91 individuals segregating for resistance to the leaf miner. Polymorphisms were verified for two simple sequence repeat (SSR) loci in bulks of the susceptible progenies. The two polymorphic alleles were present in around 70% of the susceptible genotypes in F5 and in approximately 90% of the susceptible individuals in F6. However, the polymorphic EST?SSR markers among populations contrasting for resistance to leaf miner were not correlated to the evaluated characteristics. SSR markers show inter? and intraspecific polymorphism in C. arabica and C. racemosa.
653 $aGermoplasm bank
700 1 $aVILELA, D. J. M.
700 1 $aREZENDE, J. C.
700 1 $aCARVALHO, S. P.
700 1 $aPEREIRA, A. A.
700 1 $aSILVA, F. L.
700 1 $aOLIVEIRA, A. C. B. de
700 1 $aMENDONÇA, E. R.
700 1 $aSAMPAIO, S. M.
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