| 三交水稻的育种研究 Ⅱ.三交中晚稻杂种优势的比较研究 |
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| 引用本文： | 余守武,刘宜柏,尹建华,胡标林,杨平,揭银泉.三交水稻的育种研究 Ⅱ.三交中晚稻杂种优势的比较研究[J].作物学报,2005,31(4):476-480. |
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| 作者姓名： | 余守武 刘宜柏 尹建华 胡标林 杨平 揭银泉 |
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| 作者单位： | 江西农业大学农学院, 江西南昌 330045 |
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| 基金项目： | 江西省科技厅科技攻关项目，江西省跨世纪学术和技术带头人培养计划 |
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| 摘 要： | 用4个纯合不育系菲A、中9A、金23A和珍汕97A，4个杂合不育系菲A/协青早B、中9A/协青早B、金23A/协青早B和珍汕97A/协青早B，3个恢复系752、测64-7和优米2号，按8×3 NCⅡ交配设计配制24个组合。比较研究了三交种的杂种优势及株高和抽穗期的变异程度。结果表明，58.33%的三交种比相应单交种具增产优势，平均增产6.11%。单株产
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| 关 键 词： | 三交 杂交水稻 杂种优势 株高 播始历期 变异程度 |
| 收稿时间： | 2004-02-26 |
| 修稿时间： | 2004年2月26日 |
Study on Breeding of Three-way Hybrid Rice(Oryza sativa L.) Ⅱ.Superiority of Three-way Cross to Single Cross Hybrid Rice in Mid-late Season Cropping |
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| YU Shou-Wu,LIU Yi-Bai,YIN Jian-Hua,HU Biao-Lin,YANG Ping,JIE Yin-Quan.Study on Breeding of Three-way Hybrid Rice(Oryza sativa L.) Ⅱ.Superiority of Three-way Cross to Single Cross Hybrid Rice in Mid-late Season Cropping[J].Acta Agronomica Sinica,2005,31(4):476-480. |
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| Authors: | YU Shou-Wu LIU Yi-Bai YIN Jian-Hua HU Biao-Lin YANG Ping JIE Yin-Quan |
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| Institution: | Agricultural College, Jiangxi Agricultural University, Nanchang 330045, Jiangxi |
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| Abstract: | Four homozygous cms-lines FeiA, Zhong9A, Jin23A and Zhensan97A, four heterozygous cms-lines FeiA/XieqingzaoB, Zhong9A/XieqingyzaoB, Jin23A/XieqingzaoB and Zhensan97A/XieqingzaoB, and three restorer lines 752, Ce64-7 and Youmi2 were used to make 8×3=24 F1 hybrids including 12 single hybrids and 12 t |
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| Keywords: | Three-way cross Hybrid rice Superiority Plant height Days to heading Coefficient of variability |
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