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 | Acesso ao texto completo restrito à biblioteca da Embrapa Trigo. Para informações adicionais entre em contato com cnpt.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Trigo. |
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Data corrente: |
10/01/2010 |
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Data da última atualização: |
30/09/2025 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
SILVA, E. P. da; CUNHA, G. R. da; PIRES, J. L. F.; SCHEEREN, P. L.; HENNERICH, J.; NICKNICK, F.; UGHINI, S.; PASINATO, A. |
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Afiliação: |
EUNICE PORTELA DA SILVA; GILBERTO ROCCA DA CUNHA, CNPT; JOAO LEONARDO FERNANDES PIRES, CNPT; PEDRO LUIZ SCHEEREN, CNPT; JACSELI HENNERICH; FERNANDA NICKNICK; SILVANA UGHINI; ALDEMIR PASINATO, CNPT. |
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Título: |
Influência da aclimatação na tolerância de cultivares de trigo à geada. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE AGROMETEOROLOGIA, 14., 2005, Campinas. Agrometeorologia, agroclimatologia e agronegócio: anais. Campinas: Sociedade Brasileira de Agrometeorologia: Unicamp, 2005. |
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Descrição Física: |
1 CD-ROM. |
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Idioma: |
Português |
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Notas: |
BIO062_Expandido.doc. |
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Conteúdo: |
Acclimation is important for the survival of the plants of wheat in regions where the incidence of early frosts is frequent. The work objective was to verify the influence of the acclimatization in making wheat tolerant to the frost. The work was carried out in screen house at Embrapa – Centro Nacional de Pesquisa de Trigo (Embrapa – National Wheat Research Center), Passo Fundo, RS. Frost was simulated in a growth chamber (Conviron 4030). The wheat cultivars BR18 and BRS 194 were used, in two thermal regimes: acclimated and not acclimated. In both treatments, frost was simulated at the growth stages of elongation and heading. In the acclimated treatment the plants remained for three days in the growth chamber before frost simulation. The temperature regime for this period varied from 2 to 12 ºC. Frost was simulated in the fourth day with minimum temperature of 7 °C. The treatment of acclimation, for both cultivars, resulted in higher dry matter accumulation at physiological maturation, when frost was applied at the elongation. Frost at heading stage, in both to cultivars, independent of acclimation, resulted in total sterility without grain formation. |
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Thesagro: |
Clima. |
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Thesaurus Nal: |
frost; wheat. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02010nam a2200253 a 4500
001 1840960
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100 1 $aSILVA, E. P. da
245 $aInfluência da aclimatação na tolerância de cultivares de trigo à geada.$h[electronic resource]
260 $aIn: CONGRESSO BRASILEIRO DE AGROMETEOROLOGIA, 14., 2005, Campinas. Agrometeorologia, agroclimatologia e agronegócio: anais. Campinas: Sociedade Brasileira de Agrometeorologia: Unicamp$c2005
300 $c1 CD-ROM.
500 $aBIO062_Expandido.doc.
520 $aAcclimation is important for the survival of the plants of wheat in regions where the incidence of early frosts is frequent. The work objective was to verify the influence of the acclimatization in making wheat tolerant to the frost. The work was carried out in screen house at Embrapa – Centro Nacional de Pesquisa de Trigo (Embrapa – National Wheat Research Center), Passo Fundo, RS. Frost was simulated in a growth chamber (Conviron 4030). The wheat cultivars BR18 and BRS 194 were used, in two thermal regimes: acclimated and not acclimated. In both treatments, frost was simulated at the growth stages of elongation and heading. In the acclimated treatment the plants remained for three days in the growth chamber before frost simulation. The temperature regime for this period varied from 2 to 12 ºC. Frost was simulated in the fourth day with minimum temperature of 7 °C. The treatment of acclimation, for both cultivars, resulted in higher dry matter accumulation at physiological maturation, when frost was applied at the elongation. Frost at heading stage, in both to cultivars, independent of acclimation, resulted in total sterility without grain formation.
650 $afrost
650 $awheat
650 $aClima
700 1 $aCUNHA, G. R. da
700 1 $aPIRES, J. L. F.
700 1 $aSCHEEREN, P. L.
700 1 $aHENNERICH, J.
700 1 $aNICKNICK, F.
700 1 $aUGHINI, S.
700 1 $aPASINATO, A.
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Embrapa Trigo (CNPT) |
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