Pattern of plant male sterility ○雌雄异株植物群体中，完全缺乏雄性个体或具 高度缺陷的雄性个体。 No male or the with abnormal male plants in the group of dioecism(雌雄异株 植物) 33 ● Pattern of plant male sterility ○雌雄异株植物群体中，完全缺乏雄性个体或具 高度缺陷的雄性个体。 No male or the with abnormal male plants in the group of dioecism(雌雄异株 植物)