Novel Insights into Botanical Seed Production of <i>Xanthosoma</i> spp. in Cuba
2025
Alay Jiménez-Medina | Alfredo Morales | Diosdada Galvez-Guerra | Alexander Calero-Hurtado | Kolima Peña-Calzada | Bulent Kukurtcu
Investigating diverse techniques for promoting flowering in <i>Xanthosoma</i> is crucial for managing sexual reproduction, producing authentic botanical seeds, and increasing <i>Xanthosoma’s</i> genetic diversity. Therefore, the objective of this research was to investigate the impact of gibberellic acid (GA<sub>3</sub>) and foliar application of VIUSID<sup>®</sup> Agro on enhancing flower and seed production in <i>Xanthosoma</i> species. A controlled experiment was conducted in a completely randomized design using four treatments and three replicates. The treatments were a control and three GA<sub>3</sub> concentrations of 500, 750, and 1000 mg L<sup>−1</sup>, all combined with 0.20 mg L<sup>−1</sup> of VIUSID<sup>®</sup> Agro. The findings provide the first overview of the combination of GA<sub>3</sub> and VIUSID<sup>®</sup> Agro on flowering and seed production in various <i>Xanthosoma</i> accessions. The results highlight that combining GA<sub>3</sub> (1000 mg L<sup>−1</sup>) with VIUSID<sup>®</sup> Agro (0.20 mg L<sup>−1</sup>) resulted in significant flowering and seed production in all <i>Xanthosoma</i> accessions. This novel insight could be observed in the seed length (ranging from 1.0 to 1.5 mm), seed color (varying from light yellow to strong yellow), seed germination (92%), and seed mass (ranging from 0.60 to 3.10 g). Finally, we make suggestions for future research efforts in the use of GA<sup>3</sup> and VIUSID<sup>®</sup> Agro to enhance the <i>Xanthosoma</i> breeding program.
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