二、雄性不育性的类型 Type of plant male sterility 植物雄性不育性的分类(classification) O表现型分类(Classified by morphology) ©结构性雄性不育：雄性器官结构异常→无 花粉 Structural sterility:abnormal stamen results in no pollens 6 二、雄性不育性的类型 Type of plant male sterility ● 植物雄性不育性的分类(classification) ○表现型分类(Classified by morphology) ◎结构性雄性不育：雄性器官结构异常→无 花粉 Structural sterility: abnormal stamen results in no pollens