Sink competition and desuckering effects on field performance of triploid and tetraploid plantain genotypes
Reproductive growth in polyarchic Musa spp. varieties occurs by the simultaneous growth of several shoots, resulting in competitive inhibition of fruit development in the individual shoots, particularly under poor soil fertility conditions. Nine plantain genotypes were forced into single-culm growth...
| Autores principales: | , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Informa UK Limited
2007
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/92212 |
| _version_ | 1855541557529149440 |
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| author | Tenkouano, A. Vuylsteke, D.R. Swennen, Rony L. |
| author_browse | Swennen, Rony L. Tenkouano, A. Vuylsteke, D.R. |
| author_facet | Tenkouano, A. Vuylsteke, D.R. Swennen, Rony L. |
| author_sort | Tenkouano, A. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Reproductive growth in polyarchic Musa spp. varieties occurs by the simultaneous growth of several shoots, resulting in competitive inhibition of fruit development in the individual shoots, particularly under poor soil fertility conditions. Nine plantain genotypes were forced into single-culm growth by continuous sucker removal in the ratoon crop (RC). There were no significant differences among genotypes for days to flowering (DTF) and days to harvest (DTH) in the plant crop (PC), but significant differences occurred in RC for both traits. There was a negative correlation between degree of sucker growth in the PC and DTF or DTH in RC, indicating that early flowering and maturity in the RC occurred as a result of fast sucker development in the PC. Likewise, bunch weight in the RC was positively correlated with sucker growth in the previous crop. However, sucker growth appeared to compete against the development of the bunch in the PC, resulting in a significant reduction in fruit size but not fruit number. Desuckering significantly reduced DTF and DTH in the RC. Bunch weight and fruit size were significantly improved by sucker removal in the RC. Gains were highest for genotypes that normally produce multiple lateral shoots and lowest for those displaying a more hierarchical growth habit. Thus, sucker removal could be recommended as a crop management option for the polyarchic Musa genotypes. |
| format | Journal Article |
| id | CGSpace92212 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2007 |
| publishDateRange | 2007 |
| publishDateSort | 2007 |
| publisher | Informa UK Limited |
| publisherStr | Informa UK Limited |
| record_format | dspace |
| spelling | CGSpace922122024-05-15T05:12:16Z Sink competition and desuckering effects on field performance of triploid and tetraploid plantain genotypes Tenkouano, A. Vuylsteke, D.R. Swennen, Rony L. apical dominance bunch weight crop management genetic improvement musa desuckering genotypes sucker growth Reproductive growth in polyarchic Musa spp. varieties occurs by the simultaneous growth of several shoots, resulting in competitive inhibition of fruit development in the individual shoots, particularly under poor soil fertility conditions. Nine plantain genotypes were forced into single-culm growth by continuous sucker removal in the ratoon crop (RC). There were no significant differences among genotypes for days to flowering (DTF) and days to harvest (DTH) in the plant crop (PC), but significant differences occurred in RC for both traits. There was a negative correlation between degree of sucker growth in the PC and DTF or DTH in RC, indicating that early flowering and maturity in the RC occurred as a result of fast sucker development in the PC. Likewise, bunch weight in the RC was positively correlated with sucker growth in the previous crop. However, sucker growth appeared to compete against the development of the bunch in the PC, resulting in a significant reduction in fruit size but not fruit number. Desuckering significantly reduced DTF and DTH in the RC. Bunch weight and fruit size were significantly improved by sucker removal in the RC. Gains were highest for genotypes that normally produce multiple lateral shoots and lowest for those displaying a more hierarchical growth habit. Thus, sucker removal could be recommended as a crop management option for the polyarchic Musa genotypes. 2007-10-10 2018-04-24T08:40:15Z 2018-04-24T08:40:15Z Journal Article https://hdl.handle.net/10568/92212 en Limited Access Informa UK Limited Tenkouano, A., Vuylsteke, D. & Swennen, R. (2007). Sink competition and desuckering effects on field performance of triploid and tetraploid plantain genotypes. Journal of Crop Improvement, 20(12), 31-51. |
| spellingShingle | apical dominance bunch weight crop management genetic improvement musa desuckering genotypes sucker growth Tenkouano, A. Vuylsteke, D.R. Swennen, Rony L. Sink competition and desuckering effects on field performance of triploid and tetraploid plantain genotypes |
| title | Sink competition and desuckering effects on field performance of triploid and tetraploid plantain genotypes |
| title_full | Sink competition and desuckering effects on field performance of triploid and tetraploid plantain genotypes |
| title_fullStr | Sink competition and desuckering effects on field performance of triploid and tetraploid plantain genotypes |
| title_full_unstemmed | Sink competition and desuckering effects on field performance of triploid and tetraploid plantain genotypes |
| title_short | Sink competition and desuckering effects on field performance of triploid and tetraploid plantain genotypes |
| title_sort | sink competition and desuckering effects on field performance of triploid and tetraploid plantain genotypes |
| topic | apical dominance bunch weight crop management genetic improvement musa desuckering genotypes sucker growth |
| url | https://hdl.handle.net/10568/92212 |
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