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Registro Completo |
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
21/08/1998 |
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Data da última atualização: |
21/08/1998 |
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Autoria: |
VILA, V. B.; DAVIDE, L. C.; PINTO, C. A. B. P.; RAPOSO, F. V. |
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Título: |
Caracterizacao do nivel de ploidia de hibridos de Solanum tuberosum L. x (S. tuberosum L. x S. chacoense Bitt.). |
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Ano de publicação: |
1997 |
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Fonte/Imprenta: |
Ciencia e Agrotecnologia, Lavras, v.21, n.3, p.353-357, 1997. |
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Idioma: |
Português |
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Palavras-Chave: |
Ploidia. |
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Thesagro: |
Batata; Hibrido; Solanum Tuberosum. |
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Thesaurus Nal: |
hybrids; ploidy; potatoes; Solanum chacoense. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00684naa a2200241 a 4500
001 1761238
005 1998-08-21
008 1997 bl uuuu u00u1 u #d
100 1 $aVILA, V. B.
245 $aCaracterizacao do nivel de ploidia de hibridos de Solanum tuberosum L. x (S. tuberosum L. x S. chacoense Bitt.).
260 $c1997
650 $ahybrids
650 $aploidy
650 $apotatoes
650 $aSolanum chacoense
650 $aBatata
650 $aHibrido
650 $aSolanum Tuberosum
653 $aPloidia
700 1 $aDAVIDE, L. C.
700 1 $aPINTO, C. A. B. P.
700 1 $aRAPOSO, F. V.
773 $tCiencia e Agrotecnologia, Lavras$gv.21, n.3, p.353-357, 1997.
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Embrapa Hortaliças (CNPH) |
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Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
17/01/2007 |
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Data da última atualização: |
29/01/2018 |
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Autoria: |
ANDREOLI, C.; BASSOI, M. C.; BRUNETTA, D. |
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Título: |
Genetic control of seed dormancy and pre-harvest sprouting in wheat. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
Scientia Agricola, Piracicaba, v. 63, n. 6, p. 564-566, Nov./Dec. 2006. |
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ISSN: |
0103-9016 |
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Idioma: |
Inglês |
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Conteúdo: |
Pre-harvest sprouting (PHS) damage leads to occasional massive losses in all wheat producing areas, causing downgrading of grain quality, that severely limits' end-use applications and results in ;substantial financial losses to farmers and food processors. Red grain color is a traditional marker for,:resistance to sprouting in wheat breeding programs, however red-grained genotype alone does not always guarantee effective resistance. The objective of this work was to find genes for resistance to PHS and investigate its inheritance in Brazilian wheat cultivars. Genetic variation for dormancy was investigated in :the parents, F 1 and 300 F 2 lines derived from the cross Frontana x OR1 and its reciprocal. The germination/ dormancy sprouted grains was evaluated ,on fifty seeds per replication, germinated in paper towel rolls at woC for 5 days. A bimodal distribution for dormancy occurred in the Frontana/OR1 and OR1/Frontana ierived F 2 populations. The mean ratio of dormant and non-dormant seeds of the cross and its reciprocal was 85: 1115, fitting a digeAi~ model of 1: 15 (P < 0.05). In fact, all non after-ripened F 1 seeds germinated. The F2 distribution indicates that two major genes, here calledA,a andB,b, control seed dormancy, which ,It appears to be recessive to dormancy. Only the homozygous aabb is dormant. As expected, there was no . 'effect of maternal tIssues. |
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Thesagro: |
Dormência; Germinação; Trigo. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/171769/1/a09v63n6.pdf
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Marc: |
LEADER 01916naa a2200193 a 4500
001 1466782
005 2018-01-29
008 2006 bl uuuu u00u1 u #d
022 $a0103-9016
100 1 $aANDREOLI, C.
245 $aGenetic control of seed dormancy and pre-harvest sprouting in wheat.
260 $c2006
520 $aPre-harvest sprouting (PHS) damage leads to occasional massive losses in all wheat producing areas, causing downgrading of grain quality, that severely limits' end-use applications and results in ;substantial financial losses to farmers and food processors. Red grain color is a traditional marker for,:resistance to sprouting in wheat breeding programs, however red-grained genotype alone does not always guarantee effective resistance. The objective of this work was to find genes for resistance to PHS and investigate its inheritance in Brazilian wheat cultivars. Genetic variation for dormancy was investigated in :the parents, F 1 and 300 F 2 lines derived from the cross Frontana x OR1 and its reciprocal. The germination/ dormancy sprouted grains was evaluated ,on fifty seeds per replication, germinated in paper towel rolls at woC for 5 days. A bimodal distribution for dormancy occurred in the Frontana/OR1 and OR1/Frontana ierived F 2 populations. The mean ratio of dormant and non-dormant seeds of the cross and its reciprocal was 85: 1115, fitting a digeAi~ model of 1: 15 (P < 0.05). In fact, all non after-ripened F 1 seeds germinated. The F2 distribution indicates that two major genes, here calledA,a andB,b, control seed dormancy, which ,It appears to be recessive to dormancy. Only the homozygous aabb is dormant. As expected, there was no . 'effect of maternal tIssues.
650 $aDormência
650 $aGerminação
650 $aTrigo
700 1 $aBASSOI, M. C.
700 1 $aBRUNETTA, D.
773 $tScientia Agricola, Piracicaba$gv. 63, n. 6, p. 564-566, Nov./Dec. 2006.
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