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Studies on Chemical Composition of Pleurospermym rivulorum (Diels) Chemical Constituents of Pleurospermum govanianum (Wall ) Benth ex C. B. Clarke var. bicolor Wolff Colony Characteristics and Genetic Diversity of Cytospora chrysosperma Strains from Ten Provinces in China Purification of the Toxic Protein from Arthrinium phaeospermum and Its Pathogenicity A NEW SPECIES OF THE GENUS BALIOSPERMUM FROM YUNNAN A TAXONOMIC STUDY ON THE GENUS PHTHEIROSPERMUM (SCROPHULARIACEAE) IN CHINA Study on the Genetic Transformation of Lithospermum erythrorhizon by Agrobacterium tumefaciens Study on Areal Types of Species of Spermatophyte in Henan Province of China The Isolation and Collection of Sperm Cells in Phalaenopsis Effects of Exogenous Spd on the Fast Chlorophyll Fluorescence Induction Dynamics in Tomato Seedlings Under High Temperature Stress Chemical constituents from Mangifera indica seed kernel and their effects on sperm quality of asthenospermia rats in vitro