Effect of different light intensity on diosgenin and biomass of Dioscorea zingiberensis of low-light intensity type Effects of Fe, Mn, and Zn on rhizome yields and disogenin contents of Dioscorea zingiberensis AN EVALUATION TO RESOURCES STORIES OF DIOSCOREA ZINGIBERENSIS C.H. WRIGH IN CHINA Isolation and identification of steroidal saponins from fresh rhizome of Dioscorea zingiberensis Karyotype of Different Ploidy Dioscorea zingiberensis C. H. Wright Effect of different light intensity on diosgenin and biomass of Dioscorea zingiberensis of low-light intensity type Effects of Fe,Mn,and Zn on rhizome yields and disogenin contents of Dioscorea zingiberensis Studits on the morphogenesis of rhizome from seedling and the accumulation of dioscin of Dioscorea zingiberensis