Seed Production Techniques of Parent of Two-line Hybrid Rice Liangyou 289

doi:10.3969/j.issn.1006-8082.2016.03.031

›› 2016, Vol. 22 ›› Issue (3): 104-106.DOI: 10.3969/j.issn.1006-8082.2016.03.031

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Seed Production Techniques of Parent of Two-line Hybrid Rice Liangyou 289

Online:2016-05-20 Published:2016-05-20

两系杂交水稻两优289亲本繁殖技术

1安徽省农业科学院水稻研究所/国家水稻改良中心合肥分中心/安徽省水稻遗传育种重点实验室，合肥 230031; 2华中农业大学，武汉 430070；3湖北谷神科技有限责任公司，武汉 430070

通讯作者: 张效忠
基金资助:
国家农业科技成果转化项目（2013GB2 D100323）；科技支撑项目“两系杂交水稻新品种选育及安全制种技术研究”（2012BAD07B01）；安徽省农业科学院种子工程项目

Abstract

Abstract: The standard operation procedure of producing parental seeds was established with the purpose of providing high quality parental seeds for producing the two-line hybrid rice Liangyou 289. A total area of 15.3 hm2 was used to produce the CMS line 1892S in 2013. On average, there produced 2.265 million panicles per hm2, with 165.5 total grains per panicle, the seed setting rate is 83.9%, the 1000-grain weight is 23.0 g, the yield is 5788.5 kg/hm2 and the purity of the produced seeds is over 99.98%.

Key words: two-line hybrid rice, Liangyou 289, parent, seed production

摘要： 系统介绍了两优289母本核心种子生产、海南冬季繁殖技术，以及父本生产繁殖技术，为两优289制种生产提供合格优良的亲本。2013年繁殖不育系1892S 15.3 hm2，平均有效穗数226.5万/hm2，每穗总粒数165.5粒、实粒数138.9粒，结实率83.9%，千粒重23.0 g，产量5 788.5 kg/hm2，纯度达99.98%以上。

关键词: 两系杂交水稻, 两优289, 亲本, 繁殖

CLC Number:

S511.035

陈应南君1，2,丁美顺3,王守海1,台德卫1,王伍梅1,张培申1,杨联松1,白一松1,张效忠1*. 两系杂交水稻两优289亲本繁殖技术[J]. 中国稻米, 2016, 22(3): 104-106.

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Seed Production Techniques of Parent of Two-line Hybrid Rice Liangyou 289

两系杂交水稻两优289亲本繁殖技术

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