厚轴茶雄性不育株花药败育的生物学特性和细胞学研究

蒋会兵,杨盛美,刘玉飞,田易萍,孙云南,陈林波,唐一春

Biological characteristics and cytological studies on anther abortion of male sterile Camellia crassocolumna

Hui-Bing JIANG,Sheng-Mei YANG,Yu-Fei LIU,Yi-Ping TIAN,Yun-Nan SUN,Lin-Bo CHEN,Yi-Chun TANG

表2 可育株M352和不育株M350花粉母细胞减数分裂中异常染色体的频率

Table 2 Frequency of abnormal chromosome behavior in meiosis of fertile plant M352 and male sterile plant M350

减数分裂时期 Meiosis stage 可育株M352 Fertile plant M352 雄性不育株M350 Male sterile plant M350 统计细胞数 Number of cells examined 异常细胞数量 Number of abnormal cells 频率 Frequency (%) 统计细胞数 Number of cells examined 异常细胞数量 Number of abnormal cells 频率 Frequency (%) 前期I Prophase I 177 20 11.30 205 47 22.93 中期I Metaphase I 90 16 17.78 97 36 37.11 后期I Anaphase I 87 13 14.94 92 44 47.83 末期I Telophase I 113 16 14.16 124 52 41.94 前期II Prophase II 98 12 12.24 108 48 44.44 中期II Metaphase II 72 11 15.28 93 33 35.48 后期II Anaphase II 93 12 12.90 105 40 38.10 末期II Telophase II 85 9 10.59 95 32 33.68 四分体时期 Tetrad 198 27 13.64 220 97 44.09