Effect of the planting material on the incidence of dry rot in Colocasia esculenta (L.) Schott and Xanthosoma spp.
Journal Title: Biotecnología Vegetal - Year 2012, Vol 12, Issue 4
Abstract
The cocoyam (Xanthosoma spp. and Colocasia esculenta) is a monocot plant with vegetative propagation. This work was developed with the aim of determining the effect of the planting material type on the incidence of dry rot in two cultivars of Colocasia and Xanthosoma genera. Primary and secondary rhizomes, crowns of primary rhizomes and in vitro plants were used. The plantation was maintained for twelve months and the plants were characterized morphologically in the growing stage. Besides, it was determined the incidence of dry rot per treatment at growing and harvest stage. Finally, the yield was determined. When in vitro plants were used the percentage of incidence and intensity of the damage of dry rot was less in both cultivars. The yield in primary rhizomes and overall was significantly higher. The results indicated the superiority of in vitro plants as initial plantation material over the traditional seed used in taro culture. Furthermore, it allows the designing a seed production program by biotechnological methods.
Authors and Affiliations
Ernesto Espinosa 1, Lidcay Herrera Isla , Amaurys Dávila Mártinez , Alberto Espinosa Cuéllar , Yadelys Figueroa Aguila , Danneys Armario Aragon , Delia Pérez Garcia , José Aguiar , Michel Chamizo
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