Genetic structure in four geographic populations of the oriental fruit fly, Bactrocera dorsalis (Hendel) (Diptera: Tephritidae) located in the seasonal occurrence zone in Yunnan Province Analysis on three kinds of oxidoreductase isozymes in ginseng root at different growth periods EFFECTS OF NITROGEN AND PHOSPHORUS IN MIMIC WASTEWATER ON ROOT RESPIRATION OF RICE SEEDLINGS Biochemical Markers and Microspore Cytochrome Oxidase of the Male Sterile Line of NIAN-type Wheat Analysis on three kinds of oxidoreductase isozymes in ginseng root at different growth periods Ultracytochemical Localization of ATPase and Cytochrome Oxidase in the Anther from K-77(2) A and 77(2)B