Abstract
A field study was conducted at the research farm of the National Root Crops Research Institute, Umudike in 2006 and 2007 cropping seasons to determine the effect of rhizome storage duration on the subsequent field performance of ginger in humid tropical rainforest ecology of Nigeria. Treatments consisted of three ginger varieties {Maran (MN), Wynad local (WYL) and yellow ginger (UGI)} in factorial combinations with six rhizome storage durations {0, 2, 4, 6, 8 and 10 months after harvest (MAH)}. The design used was randomized complete block with three replications. Results showed that the best plant establishment, vigour and fresh rhizome yield was obtained when rhizomes were stored for not more than 2MAH. Rhizome storage for more or less than2MAHreduced ginger plant vigour and yield but increased yellow leaf spot disease of ginger. Highest incidence of the disease was recorded at 6MAP and Maran was more susceptible to the disease than Wynad local and yellow ginger.Keywords: Rhizome, storage duration, leaf spot, Ginger, rain forest
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