Root tubers are the important staple food crops in the tropics, Nigeria inclusive. In the South East of Nigeria, the major staple root tuber crops include Dioscorea rotundata, (White yam) Dioscorea alata, (Water yam) Xanthosoma sagittifolium, (Red Cocoyam) Colocasia esculenta, (White Cocoyam) Ipomea batatas (Sweet potato) and Dioscorea dumetorum (Domestic yam). Due to inadequacies in supply,…