Fusarium nivale (Fr.) Ces., an endophytic fungi from Dendrobium crumenatum Sw. (pigeon orchid)showed an antimicroorganism activity against Absidia corymbifera (Cohn) Sacc. & Trotter, causing of human zygomycosis. The aim of this study is to find out the effect of concentration of antimicroorganism agent, fermentation medium, and incubation time to control A. corymbifera by F. nivale; and to mak…