In-vitro and In-vivo Antimicrobial Potency of Selected Plant Extracts Against Postharvest Rot-Causing Pathogens of Stored Yam Tubers

Rotted samples of yam tubers (D. rotundata) with various degrees of rots in Lafia settlement of Nasarawa State, Nigeria were picked from farmers' barns. Samples were carefully packaged in clean polyethylene bags to prevent them from further deterioration. In the laboratory, the samples were protected from rodent using wire mesh. Potato Dextrose Agar (PDA) prepared according to manufacturer's recommendation was used for growing culture organisms. Test fungus in the in vitro study was C. eragrostide which has not being studied in this area.