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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
18/02/2008 |
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Data da última atualização: |
24/07/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MORAES, A. P.; LEMOS, R. R.; BRASILEIRO-VIDAL, A. C.; SOARES FILHO, W. dos S. |
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Afiliação: |
A. P. Moraes, Federal University of Pernambuco; R. R. Lemos, Federal University of Pernambuco; A. C. Brasileiro-Vidal, Federal University of Pernambuco; Walter dos Santos Soares Filho, CNPMF. |
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Título: |
Chromosomal markers distinguish hybrids and non-hybrid accessions of mandarin. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
Cytogenetic Genome Research, v.119, p.275-281, 2007 |
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Idioma: |
Inglês |
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Notas: |
DOI: 10.1159/000112074 |
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Conteúdo: |
Mandarin is the common name of a heterogeneous group of Citrus species with a large range of variation in morphological and molecular characters as well as in number of species. Aiming to identify chromosome markers and to clarify the relationship within this group, the karyotype of 13 mandarin accessions were analyzed using CMA/DAPI staining and in situ hybridization with 5S and 45S rDNA probes. The CMA band pattern together with the position of rDNA sites revealed that mandarins can be separated karyologically into three groups: a) C. sunki and C. reshni; b) the Mediterranean mandarin, C. deliciosa, and the closely related C. tangerina cv. Dancy and C. reticulata cv. Cravo; c) the remaining cultivars, which are cytologically heterozygous and most probably interspecific hybrids. The former two groups are assumed to be pure species together with C. medica and C. grandis. A chromosome marker for mandarin species was identified and the relationship among the pure species and some hybrids is discussed. |
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Palavras-Chave: |
Mandarin. |
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Thesaurus Nal: |
biotechnology; Citrus; hybrids. |
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Categoria do assunto: |
-- |
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Marc: |
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100 1 $aMORAES, A. P.
245 $aChromosomal markers distinguish hybrids and non-hybrid accessions of mandarin.$h[electronic resource]
260 $c2007
500 $aDOI: 10.1159/000112074
520 $aMandarin is the common name of a heterogeneous group of Citrus species with a large range of variation in morphological and molecular characters as well as in number of species. Aiming to identify chromosome markers and to clarify the relationship within this group, the karyotype of 13 mandarin accessions were analyzed using CMA/DAPI staining and in situ hybridization with 5S and 45S rDNA probes. The CMA band pattern together with the position of rDNA sites revealed that mandarins can be separated karyologically into three groups: a) C. sunki and C. reshni; b) the Mediterranean mandarin, C. deliciosa, and the closely related C. tangerina cv. Dancy and C. reticulata cv. Cravo; c) the remaining cultivars, which are cytologically heterozygous and most probably interspecific hybrids. The former two groups are assumed to be pure species together with C. medica and C. grandis. A chromosome marker for mandarin species was identified and the relationship among the pure species and some hybrids is discussed.
650 $abiotechnology
650 $aCitrus
650 $ahybrids
653 $aMandarin
700 1 $aLEMOS, R. R.
700 1 $aBRASILEIRO-VIDAL, A. C.
700 1 $aSOARES FILHO, W. dos S.
773 $tCytogenetic Genome Research$gv.119, p.275-281, 2007
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