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化杀杂种稻优杂1号对母本的竞争力评价

Evaluation on Competitive Ability of Chemically Emasculated Hybrid Rice Youza 1 to Female Parent

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【作者】 姚萍飞屠曾平蔡惟涓

【Author】 YAO Pingfei;TU Zengping; CAI Weijuan (Rice Research institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510640)

【机构】 广东省农业科学院水稻研究所!广州510640

【Abstract】 According to the analysis about resistance to agression. competitive effect and synergistic effect of hy brid rice Youza 1 and its female parent Lemont, Youza I showed strong competitive ability over Lemont, resulted severe inhibition of tillering, panicle development of Lemont plants. It was demonstrated that there were no signifi cant differences of grain yields when the range of the hybrid seed purities were from 70% to over 90% because of the compensation function by super competitive capacity of Youza 1.

【关键词】 杂种稻竞争力种子纯度
【Key words】 competitive abilityhybrid riceseed purity
  • 【文献出处】 中国水稻科学 ,CHINESE JOURNAL OF RICE SCIENCE , 编辑部邮箱 ,1997年04期
  • 【分类号】S511.102
  • 【被引频次】2
  • 【下载频次】15
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