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Study on Flowering Habits of GMS Rice Lian 9S

文献类型: 会议论文

第一作者: Zou Guoxing

作者: Zou Guoxing 1 ; Yin Jianhua; Liu Yibai; Peng Zhiqing; Yang Ping; Huang Yongping; Chen Chunlian; Xu Lanxiang; Jiangxi Association for Science & Technology(CN);;

作者机构: 1.Rice Research Institute, Jiangxi Academy of Agricultural Sciences, Nanchang, Jiangxi 30 200, China

关键词: rice;genie male - sterile line;flowering habits

会议名称: Industrialization of Hybrid Rice

主办单位:

页码: 237-241

摘要: Compared with the CK -Zhen Shan 97A, the flowering habits of Lian 9S was studied. The results showed that the flowering period of single plant and single panicle of Lian 9S lasted 8 and 5 days, respectively. The spikelet bloomed on the 2nd day after heading, and the peak flowering date was from the 2nd to the 5th after the initial heading. The peak anthesis time was between 10: 00 and 14; 00 in a day and the number of accumulative blooming spikelets before noon accounted for 56.7% of the whole day blooming. The stigma exertion rate reached 46. 3% with stigma vigor decreasing quickly 3~4 days after blooming. The stigma area was bigger but glumes opening angle was smaller and glumes opening time lasted shorter. Discussion was made on how to improve the yield during the hybrid rice seed production.

分类号: S511

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