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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
18/05/2000 |
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Data da última atualização: |
18/05/2000 |
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Autoria: |
PITA, J. S.; FONDONG, V. N.; SANGAR, A.; OTIM-NAPE, G. W.; OGWAL, S.; FAUQUET, C. M. |
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Afiliação: |
ILTAB/IRD-DDPSC, California; University de Cocody, Abidjan; Institute of Agronomic Research for Development(IRAD), Cameroon; National Agricultural Research Organization, Kampala, Uganda. |
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Título: |
Biodiversity of cassava mosaic disease in east and west Africa: special cases in Uganda and ivory coast |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Brasilia: Embrapa Recursos Genetico e Biotecnologia/CBN, 2000 |
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Páginas: |
p.299-307 |
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ISBN: |
85-87697-05-6 |
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Idioma: |
Inglês |
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Notas: |
In: INTERNATIONAL SCIENTIFIC MEETING ON CASSAVA BIOTECHNOLOGY, 1998. Salvador-Bahia. Proceedings... Brasilia, DF: Embrapa Recursos Geneticose Biotecnologia/CBN, 2000. 625p. Editado por Luiz J. C. B. Carvalho, Ann Marie Thro, Alberto Duarte Vilarinhos |
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Conteúdo: |
Cassava mosaic disease (CMD) in Africa has been related to two distinct virus specie, African cassava mosaic virus (ACMV) and East African cassava mosaic virus (EACMV). In 1988, a severe epidemic of CMD associated with a recombinant virus occurred in Uganda. The recombination event was therefore assumed to be the cause of the epidemic outbreak. Recently, very severe CMD symptoms were also observed in the Ivory Coast on cassava plants growing in fields bordering the capital, Abidjan. Polymerase chain reaction (PCR) and mechanical transmission were used to determine the molecular variability of cassava geminiviruses occurring in these countries. This study reports the biodiversity of cassava geminiviruses and the emergence of new germiniviruses in Africa: the recombinant EACMV/Ug is widespread in Uganda, whereas ACMV is confined to some regions. |
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Palavras-Chave: |
Benisia tabaci; Cultivares; Doencas; Insect; Ivony hoest. |
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Thesagro: |
Biodiversidade; Inseto; Mandioca; Vírus. |
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Thesaurus Nal: |
cultivars; Uganda. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01996naa a2200349 a 4500
001 1645847
005 2000-05-18
008 2000 bl uuuu u00u1 u #d
020 $a85-87697-05-6
100 1 $aPITA, J. S.
245 $aBiodiversity of cassava mosaic disease in east and west Africa$bspecial cases in Uganda and ivory coast
260 $c2000
300 $ap.299-307
500 $aIn: INTERNATIONAL SCIENTIFIC MEETING ON CASSAVA BIOTECHNOLOGY, 1998. Salvador-Bahia. Proceedings... Brasilia, DF: Embrapa Recursos Geneticose Biotecnologia/CBN, 2000. 625p. Editado por Luiz J. C. B. Carvalho, Ann Marie Thro, Alberto Duarte Vilarinhos
520 $aCassava mosaic disease (CMD) in Africa has been related to two distinct virus specie, African cassava mosaic virus (ACMV) and East African cassava mosaic virus (EACMV). In 1988, a severe epidemic of CMD associated with a recombinant virus occurred in Uganda. The recombination event was therefore assumed to be the cause of the epidemic outbreak. Recently, very severe CMD symptoms were also observed in the Ivory Coast on cassava plants growing in fields bordering the capital, Abidjan. Polymerase chain reaction (PCR) and mechanical transmission were used to determine the molecular variability of cassava geminiviruses occurring in these countries. This study reports the biodiversity of cassava geminiviruses and the emergence of new germiniviruses in Africa: the recombinant EACMV/Ug is widespread in Uganda, whereas ACMV is confined to some regions.
650 $acultivars
650 $aUganda
650 $aBiodiversidade
650 $aInseto
650 $aMandioca
650 $aVírus
653 $aBenisia tabaci
653 $aCultivares
653 $aDoencas
653 $aInsect
653 $aIvony hoest
700 1 $aFONDONG, V. N.
700 1 $aSANGAR, A.
700 1 $aOTIM-NAPE, G. W.
700 1 $aOGWAL, S.
700 1 $aFAUQUET, C. M.
773 $tBrasilia: Embrapa Recursos Genetico e Biotecnologia/CBN, 2000
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Embrapa Mandioca e Fruticultura (CNPMF) |
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