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Registro Completo |
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
07/11/1996 |
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Data da última atualização: |
07/11/1996 |
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Autoria: |
OLIVEIRA, A. M. de O.; FERREIRA, J. C. B.; GODOY, R. L. de O.; GONCALVES, S. L.; KOKETSU, M. |
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Afiliação: |
PESAGRO-RIO/EENF, Nova Friburgo, RJ. |
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Título: |
Nira - um condimento com potencial de geracao de renda na pequena propriedade. |
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Ano de publicação: |
1995 |
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Fonte/Imprenta: |
Horticultura Brasileira, Brasilia, v.13, n.1, p.100, maio 1995. |
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Idioma: |
Português |
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Notas: |
Resumo. |
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Palavras-Chave: |
Agronomic characters; Caracteristicas quimicas; Chemical characters; Chinese chives; Cultivo organico; Nira; Organic farming. |
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Thesagro: |
Características Agronômicas. |
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Thesaurus Nal: |
Allium tuberosum. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00821naa a2200277 a 4500
001 1755981
005 1996-11-07
008 1995 bl uuuu u00u1 u #d
100 1 $aOLIVEIRA, A. M. de O.
245 $aNira - um condimento com potencial de geracao de renda na pequena propriedade.
260 $c1995
500 $aResumo.
650 $aAllium tuberosum
650 $aCaracterísticas Agronômicas
653 $aAgronomic characters
653 $aCaracteristicas quimicas
653 $aChemical characters
653 $aChinese chives
653 $aCultivo organico
653 $aNira
653 $aOrganic farming
700 1 $aFERREIRA, J. C. B.
700 1 $aGODOY, R. L. de O.
700 1 $aGONCALVES, S. L.
700 1 $aKOKETSU, M.
773 $tHorticultura Brasileira, Brasilia$gv.13, n.1, p.100, maio 1995.
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Registro original: |
Embrapa Hortaliças (CNPH) |
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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. |
Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
14/10/2008 |
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Data da última atualização: |
19/02/2009 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
DUQUE, L.; SETTER, T.; CEBALLOS, H.; FREGENE, M.; ALVES, A. |
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Afiliação: |
Luis Duque, Cornell University; Tim Setter, Cornell University; Hernan Ceballos, CIAT; Martin Fregene, CIAT; Alfredo Augusto Cunha Alves, CNPMF. |
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Título: |
Evaluation of drought tolerance in contrasting cassava varieties genotypes under field controlled water stressed environment. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: SCIENTIFIC MEETING OF THE GLOBAL CASSAVA PARTNERSHIP, 1., 2008, Ghent. Cassava: meeting the challenges of the new millennium. Ghent:: IPBO, 2008. p. 143. |
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Idioma: |
Inglês |
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Notas: |
S10-7. |
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Conteúdo: |
Due to its tolerance to drought and ability to survive uncertain rainfall patterns, cassava is considered a contributor to food security against famine. Our work aims to identify traits that contribute to drought tolerance in cassava and could be utilized for phenotyping in breeding programs. Faurty five cassava lines representing a range of drought tolerance were assessed for their drought tolerance response. Water stress experiments were conducted in field conditions at CIAT in Colombia. Parameters evaluated included non-structural carbohydrate partitioning and remobilization, abscisic acid accumulation, leaf retention, relative water content, leaf canopy temperature, and root growth, among others. Results demonstrated that genotypes differed in their response to water-stress and well-watered conditions. Water stress depleted leaf carbohydrate, consistent with priority carbon utilization rather than use as an osmotic adjustment. Timing of ABA accumulation differed among plant organs. In addition, leaf and stem ABA was negatively correlated with stem and leaf carbohydrate accumulations. Leaf retention was mild in WW treatments (60-80%) and severe in WS treatments (20-40%). All genotypes maintained high RWC (>90%) with litter or no variability in both WW and WS treatments. The diverse drought stress responses and parameters evaluated within genotypes suggest high genotypic variability and potential usage of specific phenotyping schemes. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02097naa a2200181 a 4500
001 1637951
005 2009-02-19
008 2008 bl uuuu u00u1 u #d
100 1 $aDUQUE, L.
245 $aEvaluation of drought tolerance in contrasting cassava varieties genotypes under field controlled water stressed environment.
260 $c2008
500 $aS10-7.
520 $aDue to its tolerance to drought and ability to survive uncertain rainfall patterns, cassava is considered a contributor to food security against famine. Our work aims to identify traits that contribute to drought tolerance in cassava and could be utilized for phenotyping in breeding programs. Faurty five cassava lines representing a range of drought tolerance were assessed for their drought tolerance response. Water stress experiments were conducted in field conditions at CIAT in Colombia. Parameters evaluated included non-structural carbohydrate partitioning and remobilization, abscisic acid accumulation, leaf retention, relative water content, leaf canopy temperature, and root growth, among others. Results demonstrated that genotypes differed in their response to water-stress and well-watered conditions. Water stress depleted leaf carbohydrate, consistent with priority carbon utilization rather than use as an osmotic adjustment. Timing of ABA accumulation differed among plant organs. In addition, leaf and stem ABA was negatively correlated with stem and leaf carbohydrate accumulations. Leaf retention was mild in WW treatments (60-80%) and severe in WS treatments (20-40%). All genotypes maintained high RWC (>90%) with litter or no variability in both WW and WS treatments. The diverse drought stress responses and parameters evaluated within genotypes suggest high genotypic variability and potential usage of specific phenotyping schemes.
700 1 $aSETTER, T.
700 1 $aCEBALLOS, H.
700 1 $aFREGENE, M.
700 1 $aALVES, A.
773 $tIn: SCIENTIFIC MEETING OF THE GLOBAL CASSAVA PARTNERSHIP, 1., 2008, Ghent. Cassava: meeting the challenges of the new millennium. Ghent:: IPBO, 2008. p. 143.
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