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
Classification ▣孢子发生雄性不育：小孢子发生或雄配子体发 生异常→花粉异常 Male sterility happing during the development of microspore ©功能性雄性不育：花粉正常但花药不开裂 Functional male sterility:No dehiscence of anthers found but with normal pollen
7 Classification ◎孢子发生雄性不育：小孢子发生或雄配子体发 生异常→花粉异常 Male sterility happing during the development of microspore ◎功能性雄性不育：花粉正常但花药不开裂 Functional male sterility: No dehiscence of anthers found but with normal pollen
● 植物雄性不育性的分类 classification O基因型分类(Classified by genotype) 回细胞核雄性不育(genic male sterility). O细胞质雄性不育（cytoplasmic male sterility,CMS) O核质互作型雄性不育(gene-cytoplasmic male sterility) 8
8 ● 植物雄性不育性的分类 classification ○基因型分类(Classified by genotype) ◎细胞核雄性不育（genic male sterility） ◎ 细 胞 质 雄 性 不 育 （ cytoplasmic male sterility，CMS） ◎核质互作型雄性不育（gene-cytoplasmic male sterility）
水稻雄性不育的分类 classification 700多个 O核雄性不育性genic male sterility ©不受环境影响的核雄性不育性（核不育） Male sterility affected by environment ◎光温敏核雄性不育性 photoperiod and temperature-sensitive ▲光敏核雄性不育性(photoperiod-.sensitive): 农垦58S(nongken58s)、7001S ▲温敏核雄性不育性(temperature-sensitive): 培矮64S(peiai64s)、安农S(annong s) 9
9 ● 水稻雄性不育的分类 classification 700多个 ○核雄性不育性 genic male sterility ◎不受环境影响的核雄性不育性（核不育） Male sterility affected by environment ◎光温敏核雄性不育性 photoperiod and temperature-sensitive ▲光敏核雄性不育性(photoperiod-sensitive) ： 农垦58S(nongken 58s)、7001S ▲温敏核雄性不育性(temperature-sensitive)： 培矮64S(peiai 64s)、安农Ｓ(annong s)
classification ○核质互作雄性不育性 gene-cytoplasmic male sterility 10
10 classification ○核质互作雄性不育性 gene-cytoplasmic male sterility