多穗型籼稻不育系中89A的选育  

Breeding of Multi-spike Type CMS Line Zhong 89 A in Indica Rice

作　　者：沈希宏[1] 程式华[1] 曹立勇[1] 付秀民[1] 占小登[1] 陈深广[1] 吴伟明[1] 

机构地区：[1]中国水稻研究所,浙江杭州310006

出　　处：《杂交水稻》2011年第1期14-15,共2页Hybrid Rice

基　　金：浙江省"0406计划"(001112030-1);农业部超级稻计划项目;公益性行业科研专项(nyhyzx07-001)

摘　　要：中89A是中国水稻研究所以中9A为细胞质供体,中8B/IR69628B的F3单株为细胞核供体,经多代回交转育而成的多穗型籼稻三系不育系,表现育性稳定,不育株率为100%,开花习性好,柱头外露率高,异交结实率较高,配合力强,2009年通过浙江省农作物品种审定委员会鉴定。Zhong 89 A,derived from the testcross between Zhong 9 A and the selected plants of（Zhong 8B/IR69628B） F3 and followed by successive selection and backcrosses,is a new indica CMS line with abundant panicles in rice developed by China National Rice Research Institute.It was technically certified by Zhejiang Provincial Crop Variety Release Committee in 2009.It has a complete and stable male sterility with 100% of sterile plants,good flowering habits and a high stigma exsertion rate,high outcrossing rate and good combining ability.

关 键 词：多穗型 不育系 中89A 选育 

分 类 号：S511.03[农业科学—作物学] S334