Abstract
The objective of this study was to agronomically characterize plants from induced chromosome doubling experiments in the Pisang Lilin parthenocarpic banana accession to select genotypes that will be used as 2n gamete donors in crosses with improved diploids to generate secondary triploids. Twenty-two plants were evaluated, of which 17 were autotetraploids. Compared with the original diploids, the Pisang Lilin autotetraploids showed significant increases in the plant height, number of living leaves at flowering and harvest, pseudostem diameter, and length and diameter of fruits; the Pisang Lilin autotetraploids also exhibited greater fruit and bunch weights compared with the original diploids. In addition, all autotetraploid plants did not exhibit any symptoms of yellow Sigatoka. Female fertility was also detected, as some plants produced seeds, indicating that they can be used as female parents. Therefore, the autotetraploids characterized in this study exhibited useful agronomical traits to be used as 2n gamete donors for generating secondary triploids.
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do Amaral, C.M., de Almeida dos Santos-Serejo, J., de Oliveira e Silva, S. et al. Agronomic characterization of autotetraploid banana plants derived from ‘Pisang Lilin’ (AA) obtained through chromosome doubling. Euphytica 202, 435–443 (2015). https://doi.org/10.1007/s10681-014-1320-0
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DOI: https://doi.org/10.1007/s10681-014-1320-0