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| 13. |  | HAN, Y.; LI, H.; COOPER, R. M.; BEECHING, J. R. Isolation of post-harvest physiological deterioration related cDNA clones in cassava Brasilia: Embrapa Recursos Geneticos e Biotecnologia/CBN, 2000 p.526-536 In: INTERNATIONAL SCIENTIFIC MEETING ON CASSAVA BIOTECHNOLOGY, 1998. Salvador-Bahia. Proceedings... Brasilia, DF: Embrapa Recursos Geneticos e Biotecnologia/CBN, 2000. 625p. Editado por Luiz J. C. B. Carvalho, Ann Marie Thro, Alberto...| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 16. | | LI, H.; LIU, T.; MA, W.-Y.; SAKAI, T.; WONG, K.-F.; ZHOU, G. Information Retrieval Technology: 4th Asia Infomation Retrieval Symposium, AIRS 2008, Harbin, China, January 15-18, 2008 Revised Selected Papers Springer eBooks. v.: digital Lecture Notes in Computer Science,4993 |  |
| 19. | | LI. H. Q.; GUO, J. Y.; HUANG, Y. W.; LIANG, C. Y.; LIU, H. X.; POTRYKUS, I.; PUONTI-KAERLAS , J. Regeneration of cassava plants via shoot organogenesis. Plant Cell Reports, v.17, n.5, p.410-414, 1998.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 20. | | BEECHING, J. R.; LI, H.; HAN, Y.; BUSCHMANN, H.; COOPER, R.; GOMEZ-VASQUEZ, R.; REILLY, K.; RODRIGUEZ, M. X.; TOHME, J. Phenylalanine ammonia-lyase gene structure and activity in cassava Brasilia: Embrapa Recursos Geneticos e Biotecnologia/CBN, 2000 p.551-559 In: INTERNATIONAL SCIENTIFIC MEETING ON CASSAVA BIOTECHNOLOGY, 1998. Salvador-Bahia. Proceedings... Brasilia, DF: Embrapa Recursos Geneticos e Biotecnologia/CBN, 2000. 625p. Editado por Luiz J. C. B. Carvalho, Aaa Marie Thro, Alberto...| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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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: |
08/10/2008 |
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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.; MENDES, R.; SILVA, A.; CARVALHO, P. de; COSTA, I. |
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Afiliação: |
Alfredo Augusto Cunha Alves, CNPMF; Rui Mendes, CENARGEN; Alineaurea Silva, CPATSA; Paulo de Carvalho, UFRB; Ivo Costa, CENARGEN. |
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Título: |
Current status of the Embrapa wild Manihot collection. |
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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. 81. |
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Idioma: |
Inglês |
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Notas: |
S5-4. |
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Conteúdo: |
Within Manihot gender, with around 98 documented species, only one is the cultivated cassava (M. esculenta Crantz), considered one of the most important staple foods in the human diet in the tropics. Brazil, which is considered the main center of cassava origin, has the largest genetic diversity, dispersed all over the country. Embrapa has used the cultivated cassava germplasm banks as the main source of variability for the cassava breeding program in Brazil. To allow the utilization of wild species useful genes for improving cultivated cassava, the establishment and enlargement of a wild species collection at Embrapa/CNPMF has been the main objectives of two projects, funded by Embrapa and Generation Challenge Programme. In the last four years, a collection has been field established with wild accessions obtained from the following sources: 1) sexual seeds and cuttings of wild accessions from CENARGEN's collection; 2) cuttings from a collection of the 'Universidade Federal do Reconcavo da Bahia'; 3) wild genotypes existing at Embrapa/CPATSA; 4) several collection expeditions accomplished in semi-arid ('caatinga') and savanna ('cerrado') ecosystems. Currently, the collection has around 920 accessions of 18 cassava wild relatives, maintained, mainly, under field condition. Also, a seed bank of around 40,000 sexual seeds from wild species has been preserved. In this wild germplasm, the following preliminary studies are being carried out: 1) evaluation for resistance to drought, pests and diseases; 2) crossing compatibility between wild and cultivated species; 3) cytogenetics, production and viability of pollen grains, and 4) molecular markers screening for resistance to pests and diseases. MenosWithin Manihot gender, with around 98 documented species, only one is the cultivated cassava (M. esculenta Crantz), considered one of the most important staple foods in the human diet in the tropics. Brazil, which is considered the main center of cassava origin, has the largest genetic diversity, dispersed all over the country. Embrapa has used the cultivated cassava germplasm banks as the main source of variability for the cassava breeding program in Brazil. To allow the utilization of wild species useful genes for improving cultivated cassava, the establishment and enlargement of a wild species collection at Embrapa/CNPMF has been the main objectives of two projects, funded by Embrapa and Generation Challenge Programme. In the last four years, a collection has been field established with wild accessions obtained from the following sources: 1) sexual seeds and cuttings of wild accessions from CENARGEN's collection; 2) cuttings from a collection of the 'Universidade Federal do Reconcavo da Bahia'; 3) wild genotypes existing at Embrapa/CPATSA; 4) several collection expeditions accomplished in semi-arid ('caatinga') and savanna ('cerrado') ecosystems. Currently, the collection has around 920 accessions of 18 cassava wild relatives, maintained, mainly, under field condition. Also, a seed bank of around 40,000 sexual seeds from wild species has been preserved. In this wild germplasm, the following preliminary studies are being carried out: 1) evaluation for resistance to drought... Mostrar Tudo |
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Categoria do assunto: |
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Marc: |
LEADER 02279naa a2200181 a 4500
001 1637523
005 2009-02-19
008 2008 bl uuuu u00u1 u #d
100 1 $aALVES, A.
245 $aCurrent status of the Embrapa wild Manihot collection.
260 $c2008
500 $aS5-4.
520 $aWithin Manihot gender, with around 98 documented species, only one is the cultivated cassava (M. esculenta Crantz), considered one of the most important staple foods in the human diet in the tropics. Brazil, which is considered the main center of cassava origin, has the largest genetic diversity, dispersed all over the country. Embrapa has used the cultivated cassava germplasm banks as the main source of variability for the cassava breeding program in Brazil. To allow the utilization of wild species useful genes for improving cultivated cassava, the establishment and enlargement of a wild species collection at Embrapa/CNPMF has been the main objectives of two projects, funded by Embrapa and Generation Challenge Programme. In the last four years, a collection has been field established with wild accessions obtained from the following sources: 1) sexual seeds and cuttings of wild accessions from CENARGEN's collection; 2) cuttings from a collection of the 'Universidade Federal do Reconcavo da Bahia'; 3) wild genotypes existing at Embrapa/CPATSA; 4) several collection expeditions accomplished in semi-arid ('caatinga') and savanna ('cerrado') ecosystems. Currently, the collection has around 920 accessions of 18 cassava wild relatives, maintained, mainly, under field condition. Also, a seed bank of around 40,000 sexual seeds from wild species has been preserved. In this wild germplasm, the following preliminary studies are being carried out: 1) evaluation for resistance to drought, pests and diseases; 2) crossing compatibility between wild and cultivated species; 3) cytogenetics, production and viability of pollen grains, and 4) molecular markers screening for resistance to pests and diseases.
700 1 $aMENDES, R.
700 1 $aSILVA, A.
700 1 $aCARVALHO, P. de
700 1 $aCOSTA, I.
773 $tIn: SCIENTIFIC MEETING OF THE GLOBAL CASSAVA PARTNERSHIP, 1., 2008, Ghent. Cassava: meeting the challenges of the new millennium. Ghent:: IPBO, 2008. p. 81.
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