Biochemical Diversity Analysis of Wild Tea Germplasms in Guizhou Studies on the Taxonomical Position of 17 Rare Germplasms in Hibiscus Cannabinus L. Rare Germlpasm Resources of Crop and Wild Relatives of Minority Area in Guizhou Province Identification on purine alkaloids of representative tea germplasms in China Rare Germplasm Resources of Biology of Agriculture in Yunnan Province and Its Peripheral Area The Analysis of Characteristic Variations of the Seedlings of Xinjiang Wild Myrobalan Plum and Excavation of the Excellent Germplasm Resources The Analysis of Characteristic Variations of the Seedlings of Xinjiang Wild Myrobalan Plum and Excavation of the Excellent Germplasm Resources