摘要：对芹菜雄性不育两用系01-3AB中不育株01-3A和可育株01-3B的开花习性进行了田间和室内观察，结果表明,不育株与可育株的开花习性基本相同，其花序构成没有明显差别，1个大花伞从现蕾期到所有小花基本开放完毕，大约要持续22 d左右；各个级次大花伞开花顺序相同，都是外侧的小花伞先发育，先成熟开放，且每两级大花伞之间会有不同程度的重叠；小花伞内也是外围小花先成熟，然后以同心圆方式向中心发育；1 d当中，从早上到中午开放的小花数量明显多于下午，白天开花数量多于夜间；1朵小花从单花分离到花瓣脱落一般要经过10 d以上时间。
　　关键词：芹菜；雄性不育系；开花习性
　　
　　Observation on the Flowering Habits of Male Sterile Two-purpose Line 01-3AB in Celery
　　ZHU Xin1, GAO Guo-xun1, JIN Li-zheng2, LU Zi-mEi3,LU Zhi-ping3
　　(1.Tianjin Agricultural High and New Technology Demonstrated Center，Tianjin 300384，China ;2. Tianjin Institute of Horticultural Engineering,Tianjin 300384，China; 3. Agriculture and Forestry Bureau of Tianjin Xiqing District,Tianjin 300380，China)
　　Ａｂｓｔｒａｃｔ: The flowering habits of male sterile two-purpose line 01-3AB in celery were studied. The results showed that theflowering habits of male sterile plants and normal fertile plants as the experimental material were basically same. The constitute of um

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