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| 7. |  | VASCONCELOS, L. F. L.; VELOSO, M. E. da C.; ARAUJO, E. C. E.; VAL, A. D. B. do. Hidroconservação de sementes de bacupari. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 26., 2019, Juazeiro, BA/Petrolina, PE. Fruticultura de precisão: desafios e oportunidades - anais. Petrolina: Embrapa Semiárido: UNIVASF: SBF, 2019. p. 733-736.| Biblioteca(s): Embrapa Meio-Norte. |
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| 10. | | OLIVEIRA, D. B. de; VASCONCELOS, L. F. L.; SOUZA, V. A. B. de; OLIVEIRA, F. das C.; VAL, A. D. B. do. Propagação vegetativa por estaquia em cajazeira (Spondias mombim L.): efeitos de genótipos, substratos e concentrações de AIB. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 17., 2002, Belém. Os novos desafios da fruticultura brasileira: anais. Belém: SBF, 2002. 5 p. 1 CD-ROM.| Biblioteca(s): Embrapa Meio-Norte. |
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| 11. | | VAL, A. D. B. do; BREVES, S. de S.; NUNES, C. F.; SANTOS, E. G.; FERREIRA, J. L.; PASQUAL, M.; CANÇADO, G. M. de A. Identification of olive tree cultivars with SSR and SCAR markers. In: INTERNATIONAL PLANT & ANIMAL GENOME, 21., 2013, San Diego. Abstracts... Jersey City: Scherago International, 2013. P0731.| Biblioteca(s): Embrapa Pecuária Sul. |
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| 12. | | SOUSA, H. U. de; SOUZA, V. A. B. de; VASCONCELOS, L. F. L.; VAL, A. D. B. do; ANDRADE, F. N.; SILVA, E. M. P. da. Sobrevivência e desenvolvimento de mudas enxertadas de genótipos de bacurizeiro. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 18., 2004, Florianópolis. Anais... Florianópolis: CBF, 2004. 4 p. 1 CD-ROM.| Biblioteca(s): Embrapa Meio-Norte. |
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| 14. | | VASCONCELOS, L. F. L.; SOUZA, V. A. B. de; ANDRADE, F. N.; SILVA, E. M. P. da; VAL, A. D. B. do. Comportamento produtivo de quatorze genótipos de manga rosa na microrregião homogênea de Teresina, PI. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 18., 2004, Florianópolis. Anais... Florianópolis: CBF, 2004. 4 p. 1 CD-ROM.| Biblioteca(s): Embrapa Meio-Norte. |
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| 15. | | SOUZA, V. A. B. de; VASCONCELOS, L. F. L.; SILVA, E. M. P. da; ANDRADE, F. N.; VAL, A. D. B. do. Comportamento produtivo de dezessete cultivares de mangueira nas condições agro-ecológicas da microrregião geográfica de Teresina, PI. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 18., 2004., Florianópolis. Anais... Florianópolis: CBF, 2004. 4 p. 1 CD-ROM.| Biblioteca(s): Embrapa Meio-Norte. |
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| 16. | | SOUZA, V. A. B. de; VASCONCELOS, L. F. L.; VAL, A. D. B. do; ANDRADE, F. N.; SILVA, E. M. P. da. Effect of different genotypes on the survival and development of bacury (Platonia insignis mart.) cleft-grafted scions. In: REUNIÃO ANUAL DA SOCIEDADE INTERAMERICANA DE HORTICULTURA TROPICAL, 49., 2003, Fortaleza. Programa e resumos...Fortaleza: Embrapa Agroindústria Tropical, 2003. p. 87 (Embrapa Agroindústria Tropical. Documentos, 67).| Biblioteca(s): Embrapa Meio-Norte. |
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| 17. | | SOUZA, V. A. B. de; VASCONCELOS, L. F. L.; VAL, A. D. B. do; SILVA, E. M. P. da; ANDRADE, F. N. Effect of different graft methods on the survival and development of scions from three chichá (Sterculia striata St. Hil. et Naud.) genotypes. In: REUNIÃO ANUAL DA SOCIEDADE INTERAMERICANA DE HORTICULTURA TROPICAL, 49., 2003, Fortaleza. Programa e resumos...Fortaleza: Embrapa Agroindústria Tropical, 2003. p. 93 (Embrapa Agroindústria Tropical. Documentos, 67).| Biblioteca(s): Embrapa Meio-Norte. |
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| 19. | | ARAUJO, E. C. E.; OLIVEIRA, F. das C.; VASCONCELOS, L. F. L.; ALCOFORADO FILHO, F. G.; SOARES, E. B.; VAL, A. D. B. do. Efeito de metodos fisicos e quimicos sobre a velocidade de emergencia de cauliculo de bacuri (Platonia insignis Mart.). In: REUNIAO NORDESTINA DE BOTANICA, 21., 1997, Caxias-MA. Resumos... Caxias: UEMA/CESC, 1997. p. 82.| Biblioteca(s): Embrapa Meio-Norte. |
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| 20. | | OLIVEIRA, F. das C.; SOUZA, V. A. B. de; VASCONCELOS, L. F. L.; VAL, A. D. B. do; SILVA, E. M. P. da; ANDRADE, F. N. Métodos de enxertia na sobrevivência e desenvolvimento de mudas de três genótipos de chichá. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 18., 2004, Florianópolis. Anais... Florianópolis: CBF, 2004. 4 p. 1 CD-ROM.| Biblioteca(s): Embrapa Meio-Norte. |
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| Registros recuperados : 23 | |
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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: |
13/10/2008 |
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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: |
ALVES, A.; FREGENE, M.; SETTER, T.; DUQUE, L.; FERGUSON, M.; MKAMILO, G. |
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Afiliação: |
Alfredo Augusto Cunha Alves, CNPMF; Martin Fregene, CIAT; Tim Setter, Cornell University; Luis Duque, Cornel University; Morag Ferguson, IITA; Geoffrey Mkamilo, Agricultural Research Institute. |
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Título: |
Identifying the physiological and genetic traits related to drought tolerance mechanisms in cassava. |
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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. 142. |
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Idioma: |
Inglês |
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Notas: |
S10-6. |
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Conteúdo: |
To elucidate the mechanisms underlying drought tolerance in cassava and to determine the best physiological and genetic traits to be selected for in breeding programs, a collaborative work among Embrapa, CIAT, IITA, Cornell University, and African NARIs (National Agricultural Research Institures) has been going on since 2005, funded by the Generation Chalenge Program (GCP). Selected contrasting varieties have been screened and evaluated in four representative semi-arid environments in Brazil, Colombia, Tanzania and Ghana. Several trials have tested some hypotheses to characterize genotypes for drought tolerance traits, including: 1) genotypes that accumulate substantial stem starch reserves may be more able to sustain meristems and other respiring organs during a prolonged stress; 2) genotypes that maintain deep fibrous root growth would perform better in drought; 3) genotypes that maintain partitioning to storage roots and have high harvest index yield better in drought; and 4) genotypes that are more effective in closing stomata might be more able to maintain status and retain leaves. Contrasting cassava varieties were crossed at CIAT and segregation populations of F1 seeds obtained. The embryos of each seed were rescued and micropropagated in vitro. A total of 370 individuals from three populations were cloned and around five in vitro copies of each genotype were shipped to the target sites for multiplication and phenotypic evaluation. A genotypic parental screen has revealed 168 polymorphic SSRs in COL1734 x VEN77 and 147 in COL 1468 x BRA 255, from 307 SSRs screened. Genotyping of the mapping populations is underway. MenosTo elucidate the mechanisms underlying drought tolerance in cassava and to determine the best physiological and genetic traits to be selected for in breeding programs, a collaborative work among Embrapa, CIAT, IITA, Cornell University, and African NARIs (National Agricultural Research Institures) has been going on since 2005, funded by the Generation Chalenge Program (GCP). Selected contrasting varieties have been screened and evaluated in four representative semi-arid environments in Brazil, Colombia, Tanzania and Ghana. Several trials have tested some hypotheses to characterize genotypes for drought tolerance traits, including: 1) genotypes that accumulate substantial stem starch reserves may be more able to sustain meristems and other respiring organs during a prolonged stress; 2) genotypes that maintain deep fibrous root growth would perform better in drought; 3) genotypes that maintain partitioning to storage roots and have high harvest index yield better in drought; and 4) genotypes that are more effective in closing stomata might be more able to maintain status and retain leaves. Contrasting cassava varieties were crossed at CIAT and segregation populations of F1 seeds obtained. The embryos of each seed were rescued and micropropagated in vitro. A total of 370 individuals from three populations were cloned and around five in vitro copies of each genotype were shipped to the target sites for multiplication and phenotypic evaluation. A genotypic parental screen has rev... Mostrar Tudo |
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Categoria do assunto: |
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Marc: |
LEADER 02288naa a2200193 a 4500
001 1637949
005 2009-02-19
008 2008 bl uuuu u00u1 u #d
100 1 $aALVES, A.
245 $aIdentifying the physiological and genetic traits related to drought tolerance mechanisms in cassava.
260 $c2008
500 $aS10-6.
520 $aTo elucidate the mechanisms underlying drought tolerance in cassava and to determine the best physiological and genetic traits to be selected for in breeding programs, a collaborative work among Embrapa, CIAT, IITA, Cornell University, and African NARIs (National Agricultural Research Institures) has been going on since 2005, funded by the Generation Chalenge Program (GCP). Selected contrasting varieties have been screened and evaluated in four representative semi-arid environments in Brazil, Colombia, Tanzania and Ghana. Several trials have tested some hypotheses to characterize genotypes for drought tolerance traits, including: 1) genotypes that accumulate substantial stem starch reserves may be more able to sustain meristems and other respiring organs during a prolonged stress; 2) genotypes that maintain deep fibrous root growth would perform better in drought; 3) genotypes that maintain partitioning to storage roots and have high harvest index yield better in drought; and 4) genotypes that are more effective in closing stomata might be more able to maintain status and retain leaves. Contrasting cassava varieties were crossed at CIAT and segregation populations of F1 seeds obtained. The embryos of each seed were rescued and micropropagated in vitro. A total of 370 individuals from three populations were cloned and around five in vitro copies of each genotype were shipped to the target sites for multiplication and phenotypic evaluation. A genotypic parental screen has revealed 168 polymorphic SSRs in COL1734 x VEN77 and 147 in COL 1468 x BRA 255, from 307 SSRs screened. Genotyping of the mapping populations is underway.
700 1 $aFREGENE, M.
700 1 $aSETTER, T.
700 1 $aDUQUE, L.
700 1 $aFERGUSON, M.
700 1 $aMKAMILO, G.
773 $tIn: SCIENTIFIC MEETING OF THE GLOBAL CASSAVA PARTNERSHIP, 1., 2008, Ghent. Cassava: meeting the challenges of the new millennium. Ghent:: IPBO, 2008. p. 142.
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