作为中国传统补益药材，何首乌（Polygoni Multiflori Radix Praeparata, PMRP）经过炮制后具有滋补肝肾、强筋健骨、乌发养颜等功效。其主要成分包括多糖 ...

American Journal of Botany, Vol. 37, No. 8 (Oct., 1950), pp. 636-639 (4 pages) The water content of conidia of three species of powdery mildews (Erysiphe polygoni, E. graminis, and E. cichoracearum) ...