CE:3316 CF: cag021172106


Response of cultivars of malanga (Xanthosoma sagittifolium (L.) Schott) to dry rot

Respuesta de cultivares de malanga (Xanthosoma sagittifolium  (L.) Schott) a las pudriciones secas


Ernesto Espinosa Cuéllar1, Lidcay Herrera Isla2, Alberto Espinosa Cuéllar1, Amaurys Dávila Martínez1, Alexander Bernal Cabrera2, Jaime Simó González1

1Instituto de Investigaciones de Viandas Tropicales (INIVIT). Apdo 6, Sto Dgo, Villa Clara, Cuba, CP 53000.
2Facultad de Ciencias Agropecuarias. Universidad Central Marta Abreu de Las Villas. Carretera a Camajuaní km 5 ½. Santa Clara, Villa Clara, Cuba, CP 54830.

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Malanga (Xanthosoma sagittifolium (L.) Schott) is an important food crop for over 400 million people in the tropics and subtropics. In order to determine the response of different varieties of malanga Xanthosoma to dry rot, a series of experiments were conducted in the period between 2012 and 2014. The experiments were performed on loamy Soil at the National Research Institute in Tropical Crops and Roots (INIVIT). We determined the incidence and severity of damage, yields and percent of losses at harvest. The lowest values of incidence and the highest total return was achieved in clons ‘INIVIT MX-95-2’, ‘INIVIT MX-95-1’ and ‘INIVIT MX-2007’. Clones of malanga Xanthosoma belonging to the group purple, showed lower incidence that of white and yellow groups. These results will allow selecting cultivars of malanga with greater resistance to the dry rot and with this to diminish the losses in the harvest.

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