萍乡显性核不育水稻开花习性观察  

Observation on Flowering Habits of Pingxiang Dominance Genic Male Sterile Rice (PDGMSR)

作　　者：贺浩华[1] 余祥健 傅军如[1] 黄文新[1] 

机构地区：[1]江西农业大学农学院,江西南昌330045 [2]江西省种子管理站,江西南昌330046

出　　处：《江西农业大学学报》2003年第4期479-481,共3页Acta Agriculturae Universitatis Jiangxiensis

基　　金：江西省新世纪学术与技术带头人培养计划;国家自然科学基金 ( 3 9860 0 41 )项目资助

摘　　要：通过对萍乡显性核不育水稻开花习性的观察 ,结果表明萍乡显性核不育水稻具有柱头大、柱头外露率高、柱头生活力下降慢、张颖角度较大 ,花期不太集中 ,一天中没有明显的开花高峰等特点。The flowering habits of Pingxiang dominance genic male sterile rice was surveyed. The results showed that PDGMS R expressed a big stigma, a high stigma external rate with a good stigma which declined slowly, a big glume opening dimension, but a less concentrated flowering period, and no obvious flowering peak in a day.

关 键 词：萍乡显性核不育水稻 开花习性 柱头外露率 柱头生活力 张颖角度 花期 制种产量 

分 类 号：S511[农业科学—作物学]