Effects of Mo fertilization on growth, nutrient and total saponin contents of Pairs polyphylla var. yunnanensis Resistance analysis of Lilium Oriental to bulb rot Anti-microbial Activities of the Extracts from Smilax scobinicaulis Roots Effects of temperatures on photosynthetic characteristics and saponins of Paris polyphylla Effect of light intensity on photosynthetic characteristics, nutritive components and yield of American ginseng Differences of saikosaponin contents in Bupleurum chinense from habitats in Dongling mountain & Wuling mountain of Beijing