Abstract
SUMMARYTubers of Dioscorea rotundata yam obtained from the same harvest were stored at room temperature (25–30 °C). After storage for various durations, tuber samples were taken and used as planting material. The number of days to sprouting, for head pieces and non-head pieces alike, decreased with increasing storage time up to 159 days. Heads sprouted earlier than non-heads. The number of days to formation of new tubers also decreased with increasing storage age of the parent tuber up to 226 days. The interval from sprouting to tubering was constant up to 106 days of storage, decreased rapidly between 106 and 226 days, and thereafter remained constant. The implications of these results for off-season yam production are discussed.
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