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Experiments on the vegetative cycle and yield variation of Dioscorea alata by successive monthly plantings and one-year aged seed tuber planting



Experiments on the vegetative cycle and yield variation of Dioscorea alata by successive monthly plantings and one-year aged seed tuber planting



Proceedings, 6th symposium of the International Society for Tropical Root Crops: 615



Data from 3 years of plantings of D. alata Tahiti and Belep made with tubers harvested in Jan. and stored at 18 degrees C and 80% RH are reported. Germination showed a dormancy response. In storage, bulb formation occurred after 1 year. In the field, this seemed to be linked to loss of apical dominance. Once a juvenile stage was completed, flowering appeared to be controlled by thermophotoperiod. Stem number increased with age for 1 cv., but not the other.

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Accession: 001364500

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