Prospects for breeding agronomically superior Musa with resistance or tolerance to BSV
The genetic improvement of banana and plantain has focused on breeding for resistance to black sigatoka. This has been quite successful, but the distribution of improved hybrids has been impeded by the outbvreak of Banana streak virus (BSV). Integration of viral sequences in Musa genomes make it dif...
| Autores principales: | , , , |
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| Formato: | Conference Paper |
| Lenguaje: | Inglés |
| Publicado: |
2003
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/96510 |
| _version_ | 1855522785024016384 |
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| author | Tenkouano, A. Hughes, J. Dahal, G. Pillay, M. |
| author_browse | Dahal, G. Hughes, J. Pillay, M. Tenkouano, A. |
| author_facet | Tenkouano, A. Hughes, J. Dahal, G. Pillay, M. |
| author_sort | Tenkouano, A. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | The genetic improvement of banana and plantain has focused on breeding for resistance to black sigatoka. This has been quite successful, but the distribution of improved hybrids has been impeded by the outbvreak of Banana streak virus (BSV). Integration of viral sequences in Musa genomes make it difficult to apply commonly accepted principles for host-plant resistance. The short-term strategy of breeding programs at IITA was to address the BSV issue through a practical approach based on identification of genotypes with low expression of BSV symptoms and low concentration of BSV antigenes under natural field conditions. Also, alternative plant propagation methods to reduce the incidence of BSV upon field establishment of seedlings were investigated. The longer term strategy involves ploidy and genome manipulation to reduce the probability for transcriptional recombination of BSV sequences dispersed in the Musa genomes thereby reducing the propensity for BSV expression in improved hybrids. |
| format | Conference Paper |
| id | CGSpace96510 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2003 |
| publishDateRange | 2003 |
| publishDateSort | 2003 |
| record_format | dspace |
| spelling | CGSpace965102023-06-08T14:48:41Z Prospects for breeding agronomically superior Musa with resistance or tolerance to BSV Tenkouano, A. Hughes, J. Dahal, G. Pillay, M. bananas plantains plant viruses host plant resistance The genetic improvement of banana and plantain has focused on breeding for resistance to black sigatoka. This has been quite successful, but the distribution of improved hybrids has been impeded by the outbvreak of Banana streak virus (BSV). Integration of viral sequences in Musa genomes make it difficult to apply commonly accepted principles for host-plant resistance. The short-term strategy of breeding programs at IITA was to address the BSV issue through a practical approach based on identification of genotypes with low expression of BSV symptoms and low concentration of BSV antigenes under natural field conditions. Also, alternative plant propagation methods to reduce the incidence of BSV upon field establishment of seedlings were investigated. The longer term strategy involves ploidy and genome manipulation to reduce the probability for transcriptional recombination of BSV sequences dispersed in the Musa genomes thereby reducing the propensity for BSV expression in improved hybrids. 2003 2018-08-09T06:51:07Z 2018-08-09T06:51:07Z Conference Paper https://hdl.handle.net/10568/96510 en Limited Access application/pdf Tenkouano, A., Dahal, G., Hughes, J.D.A. & Pillay, M. (2003). Prospects for breeding agronomically superior Musa with resistance or tolerance to BSV. In Proceedings of plant virology in sub-Saharan Africa, 4-8 June, Ibadan, Nigeria, (pp. 440-448). |
| spellingShingle | bananas plantains plant viruses host plant resistance Tenkouano, A. Hughes, J. Dahal, G. Pillay, M. Prospects for breeding agronomically superior Musa with resistance or tolerance to BSV |
| title | Prospects for breeding agronomically superior Musa with resistance or tolerance to BSV |
| title_full | Prospects for breeding agronomically superior Musa with resistance or tolerance to BSV |
| title_fullStr | Prospects for breeding agronomically superior Musa with resistance or tolerance to BSV |
| title_full_unstemmed | Prospects for breeding agronomically superior Musa with resistance or tolerance to BSV |
| title_short | Prospects for breeding agronomically superior Musa with resistance or tolerance to BSV |
| title_sort | prospects for breeding agronomically superior musa with resistance or tolerance to bsv |
| topic | bananas plantains plant viruses host plant resistance |
| url | https://hdl.handle.net/10568/96510 |
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