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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. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
25/11/2008 |
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Data da última atualização: |
17/04/2023 |
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Autoria: |
DAHAL, G.; GAUHL, F.; PASBERG-GAUHL, C.; HUGHES, J. d'A.; THOTTAPPILLY, G.; LOCKHART, B. |
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Título: |
Evaluation of micropropagated plantain and banana (Musa spp.) for banana streak bandnavirus incidence under field and screenhouse conditions in Nigeria. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
Annals of Applied Biology, Great Britain, v. 134, n. 2, p. 181-191, 1999. |
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Idioma: |
Inglês |
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Notas: |
Este documento foi fornecido pela British Library. |
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Conteúdo: |
Between 1991 to 1996, more than 50 Musa hybrids and 10 landraces were evaluated under field and screenhouse conditions for virus symptoms resembling those caused by banana streak bandnavirus (BSV). The symptoms included chlorotic streaks, leaf deformation, stunting, cigar leaf death, distortion of the peduncle, bunch or fruits, and internal pseudostem necrosis. Immunosorbent electron microscopy (ISEM) of randomly selected plants with one or more of these symptoms confirmed the presence of BSV particles in 15 tropical Musa plantain hybrids (TMPx) and five Musa landraces. Under both field and screenhouse conditions, the incidence of symptomatic plants in the hybrids was significantly higher than in the landraces. The hybrids also generally had a higher concentration of BSV antigens, as determined by enzyme-linked immunosorbent assay (ELISA). By contrast, most BSV-infected landraces were symptomless and had very low or undetectable amounts of BSV antigens. There was a significant variation in incidence of symptomatic plants between genotypes, experiments and year of observation. These results are discussed in relation to the higher natural BSV incidence observed on some Musa hybrids as compared with their parental genotypes. |
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Palavras-Chave: |
Banana streak bandnavirus; BSV-indexing; Symptomatology. |
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Thesaurus Nal: |
disease incidence. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02066naa a2200241 a 4500
001 1654864
005 2023-04-17
008 1999 bl uuuu u00u1 u #d
100 1 $aDAHAL, G.
245 $aEvaluation of micropropagated plantain and banana (Musa spp.) for banana streak bandnavirus incidence under field and screenhouse conditions in Nigeria.$h[electronic resource]
260 $c1999
500 $aEste documento foi fornecido pela British Library.
520 $aBetween 1991 to 1996, more than 50 Musa hybrids and 10 landraces were evaluated under field and screenhouse conditions for virus symptoms resembling those caused by banana streak bandnavirus (BSV). The symptoms included chlorotic streaks, leaf deformation, stunting, cigar leaf death, distortion of the peduncle, bunch or fruits, and internal pseudostem necrosis. Immunosorbent electron microscopy (ISEM) of randomly selected plants with one or more of these symptoms confirmed the presence of BSV particles in 15 tropical Musa plantain hybrids (TMPx) and five Musa landraces. Under both field and screenhouse conditions, the incidence of symptomatic plants in the hybrids was significantly higher than in the landraces. The hybrids also generally had a higher concentration of BSV antigens, as determined by enzyme-linked immunosorbent assay (ELISA). By contrast, most BSV-infected landraces were symptomless and had very low or undetectable amounts of BSV antigens. There was a significant variation in incidence of symptomatic plants between genotypes, experiments and year of observation. These results are discussed in relation to the higher natural BSV incidence observed on some Musa hybrids as compared with their parental genotypes.
650 $adisease incidence
653 $aBanana streak bandnavirus
653 $aBSV-indexing
653 $aSymptomatology
700 1 $aGAUHL, F.
700 1 $aPASBERG-GAUHL, C.
700 1 $aHUGHES, J. d'A.
700 1 $aTHOTTAPPILLY, G.
700 1 $aLOCKHART, B.
773 $tAnnals of Applied Biology, Great Britain$gv. 134, n. 2, p. 181-191, 1999.
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