Seed set patterns in east African highland cooking bananas show asymmetric distribution in bunches and fruits
Low female fertility in bananas is the biggest hurdle for banana breeding. The aim of this study was to determine seed set patterns in East African Highland Cooking bananas (EAHBs) to inform future decisions on a more targeted approach of increasing seed set and subsequently banana-breeding efficien...
| Autores principales: | , , , , , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
MDPI
2021
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/114075 |
| _version_ | 1855532975372894208 |
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| author | Waniale, A. Swennen, Rony L. Mukasa, S. Tugume, Arthur K. Kubiriba, Jerome Tushemereirwe, Wilberforce K. Batte, M. Brown, A. Tumuhimbise, Robooni |
| author_browse | Batte, M. Brown, A. Kubiriba, Jerome Mukasa, S. Swennen, Rony L. Tugume, Arthur K. Tumuhimbise, Robooni Tushemereirwe, Wilberforce K. Waniale, A. |
| author_facet | Waniale, A. Swennen, Rony L. Mukasa, S. Tugume, Arthur K. Kubiriba, Jerome Tushemereirwe, Wilberforce K. Batte, M. Brown, A. Tumuhimbise, Robooni |
| author_sort | Waniale, A. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Low female fertility in bananas is the biggest hurdle for banana breeding. The aim of this study was to determine seed set patterns in East African Highland Cooking bananas (EAHBs) to inform future decisions on a more targeted approach of increasing seed set and subsequently banana-breeding efficiency. Matooke (AAA) and Mchare (AA) bananas are genetically distinct but belong to the same genetic complex, referred to as EAHBs. Seed set patterns in “Enzirabahima” (AAA), “Mshale” (AA), and “Nshonowa” (AA), all with residual fertility, were examined after hand pollination with a highly male fertile wild banana “Calcutta 4” (AA). Seed set in “Enzirabahima” is predominant in distal hands. Mchare cultivars have a slightly more even distribution of seeds in their hands compared to “Enzirabahima”. There is a gradual increase in seed set from proximal to distal hands with a slight drop in the last hand. This pattern is more definite in “Enzirabahima” and “Mshale”, while “Nshonowa” has a somewhat inconsistent pattern. There is also a drop in seed set per 100 fruits per hand from small to larger bunches. However, larger bunches have a higher pollination success compared to smaller bunches. They therefore set more seed on 100 fruits per hand and per bunch basis, if bunches without seed are accounted for. Pollination success rate increases from smaller to larger bunches of EAHBs. Seed set is biased toward the distal third part of fruits of examined EAHBs, as well as tetraploid Matooke hybrid “401K-1” (AAAA), and improved diploid “Zebrina” GF (AA) that were used for comparison. In comparison, in the highly female fertile “Calcutta 4”, seed set is along the entire length of the fruit. Seed set bias in the distal hands and distal end of fruits suggests a systematic mechanism rather than a random occurrence. It is expected that this information will provide a foundation for increased crossbreeding efficiency in bananas. |
| format | Journal Article |
| id | CGSpace114075 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | MDPI |
| publisherStr | MDPI |
| record_format | dspace |
| spelling | CGSpace1140752025-11-11T10:38:40Z Seed set patterns in east African highland cooking bananas show asymmetric distribution in bunches and fruits Waniale, A. Swennen, Rony L. Mukasa, S. Tugume, Arthur K. Kubiriba, Jerome Tushemereirwe, Wilberforce K. Batte, M. Brown, A. Tumuhimbise, Robooni fertility bananas musa pollination breeding uganda cooking bananas plantains Low female fertility in bananas is the biggest hurdle for banana breeding. The aim of this study was to determine seed set patterns in East African Highland Cooking bananas (EAHBs) to inform future decisions on a more targeted approach of increasing seed set and subsequently banana-breeding efficiency. Matooke (AAA) and Mchare (AA) bananas are genetically distinct but belong to the same genetic complex, referred to as EAHBs. Seed set patterns in “Enzirabahima” (AAA), “Mshale” (AA), and “Nshonowa” (AA), all with residual fertility, were examined after hand pollination with a highly male fertile wild banana “Calcutta 4” (AA). Seed set in “Enzirabahima” is predominant in distal hands. Mchare cultivars have a slightly more even distribution of seeds in their hands compared to “Enzirabahima”. There is a gradual increase in seed set from proximal to distal hands with a slight drop in the last hand. This pattern is more definite in “Enzirabahima” and “Mshale”, while “Nshonowa” has a somewhat inconsistent pattern. There is also a drop in seed set per 100 fruits per hand from small to larger bunches. However, larger bunches have a higher pollination success compared to smaller bunches. They therefore set more seed on 100 fruits per hand and per bunch basis, if bunches without seed are accounted for. Pollination success rate increases from smaller to larger bunches of EAHBs. Seed set is biased toward the distal third part of fruits of examined EAHBs, as well as tetraploid Matooke hybrid “401K-1” (AAAA), and improved diploid “Zebrina” GF (AA) that were used for comparison. In comparison, in the highly female fertile “Calcutta 4”, seed set is along the entire length of the fruit. Seed set bias in the distal hands and distal end of fruits suggests a systematic mechanism rather than a random occurrence. It is expected that this information will provide a foundation for increased crossbreeding efficiency in bananas. 2021 2021-06-22T15:00:00Z 2021-06-22T15:00:00Z Journal Article https://hdl.handle.net/10568/114075 en Open Access application/pdf MDPI Waniale, A., Swennen, R., Mukasa, S.B., Tugume, A.K., Kubiriba, J., Tushemereirwe, W.K., ... & Tumuhimbise, R. (2021). Seed set patterns in east African highland cooking bananas show asymmetric distribution in bunches and fruits. Agronomy, 11(4), 763: 1-20. |
| spellingShingle | fertility bananas musa pollination breeding uganda cooking bananas plantains Waniale, A. Swennen, Rony L. Mukasa, S. Tugume, Arthur K. Kubiriba, Jerome Tushemereirwe, Wilberforce K. Batte, M. Brown, A. Tumuhimbise, Robooni Seed set patterns in east African highland cooking bananas show asymmetric distribution in bunches and fruits |
| title | Seed set patterns in east African highland cooking bananas show asymmetric distribution in bunches and fruits |
| title_full | Seed set patterns in east African highland cooking bananas show asymmetric distribution in bunches and fruits |
| title_fullStr | Seed set patterns in east African highland cooking bananas show asymmetric distribution in bunches and fruits |
| title_full_unstemmed | Seed set patterns in east African highland cooking bananas show asymmetric distribution in bunches and fruits |
| title_short | Seed set patterns in east African highland cooking bananas show asymmetric distribution in bunches and fruits |
| title_sort | seed set patterns in east african highland cooking bananas show asymmetric distribution in bunches and fruits |
| topic | fertility bananas musa pollination breeding uganda cooking bananas plantains |
| url | https://hdl.handle.net/10568/114075 |
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