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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
13/10/2004 |
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Data da última atualização: |
18/10/2004 |
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Autoria: |
LAMBERT, E. de S.; PINTO, C. A. B. P. |
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Título: |
Agronomic performance of potato interspecific hybrids. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, Londrina, v. 2, n. 2, p. 179-187, June 2002. |
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Idioma: |
Inglês |
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Conteúdo: |
Hybrids from crosses among potato cultivars (Solanum tuberosum L.) and S. tuberosum ssp. andigena, S. chacoense and S. phureja clones were assessed. Hybrid families with different proportions of exotic species genome (50, 25, and 12,5%) were compared with families derived from the cross only among S. tuberosum cultivars. Three experiments in two locations were carried out in southern Minas Gerais State, one in an augmented block design and the other two in lattice designs to assess the families and clones. The families with highter percentages of exotic species genome presented lower tuber yield, lower percentage of large tubers and lower average tuber weight. The main limitation of some hybrids was tuber appearance, and there was a high frequency of clones with undersirable tuber appearance. Clones derived from different genomic compositions could be selected with high yield, good percentage of large tubers, high tuber specific gravity and good tuber appearance. |
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Palavras-Chave: |
Exotic species; Melhoramento genético; Potato breeding; Solanum phureja; Solanum tuberosum ssp andigena. |
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Thesagro: |
Batata; Solanum Tuberosum. |
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Thesaurus Nal: |
Solanum chacoense. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01651naa a2200229 a 4500
001 1212567
005 2004-10-18
008 2002 bl uuuu u00u1 u #d
100 1 $aLAMBERT, E. de S.
245 $aAgronomic performance of potato interspecific hybrids.
260 $c2002
520 $aHybrids from crosses among potato cultivars (Solanum tuberosum L.) and S. tuberosum ssp. andigena, S. chacoense and S. phureja clones were assessed. Hybrid families with different proportions of exotic species genome (50, 25, and 12,5%) were compared with families derived from the cross only among S. tuberosum cultivars. Three experiments in two locations were carried out in southern Minas Gerais State, one in an augmented block design and the other two in lattice designs to assess the families and clones. The families with highter percentages of exotic species genome presented lower tuber yield, lower percentage of large tubers and lower average tuber weight. The main limitation of some hybrids was tuber appearance, and there was a high frequency of clones with undersirable tuber appearance. Clones derived from different genomic compositions could be selected with high yield, good percentage of large tubers, high tuber specific gravity and good tuber appearance.
650 $aSolanum chacoense
650 $aBatata
650 $aSolanum Tuberosum
653 $aExotic species
653 $aMelhoramento genético
653 $aPotato breeding
653 $aSolanum phureja
653 $aSolanum tuberosum ssp andigena
700 1 $aPINTO, C. A. B. P.
773 $tCrop Breeding and Applied Biotechnology, Londrina$gv. 2, n. 2, p. 179-187, June 2002.
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Embrapa Arroz e Feijão (CNPAF) |
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