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Position: Home > Articles > Breeding of WA Type Indica CMS Line Qianjiang 1 A Hybrid Rice 2005,20 (3) 14-15

野败籼型三系不育系钱江1号A的选育

作  者：
李春寿;黄福灯;阮关海;陈合云;郑学强;杜龙岗
单  位：
浙江省农业科学院作物与核技术利用研究所
关键词：
水稻;籼型不育系;钱江1号A;选育
摘  要：
钱江1号A属野败籼型早熟不育系。该不育系农艺性状好,株型理想;柱头外露率高达72.54%,其中双外露率占57.50%;不育性稳定,花粉败育率达100%;异交结实率较高,繁种田结实率为48.8%,繁制种产量高;米质较优,垩白度、透明度、胶稠度和直链淀粉含量4项指标明显优于协青早A;稻瘟病抗性(中抗)优于协青早A;配合力较好,可恢复力强;于2004年1月通过浙江省成果鉴定。
译  名：
Breeding of WA Type Indica CMS Line Qianjiang 1 A
作  者：
LI Chun-shou, HUANG Fu-deng, RUAN Guan-hai, CHEN He-yun, ZHENG Xue-qiang, DU Long-gang(Crop and Nuclear Technology Utilization Research Institute of Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang 310021, China)
关键词：
rice; indica CMS line; Qianjiang 1 A; breeding
摘  要：
Qianjiang 1 A is a new WA type indica CMS line with early maturity in rice. It had a good plant type and agronomic characters. Its stigma exsertion rate was as high as 72.54% with 57.50% of double-stigma exsertion rate. It had a stable and complete male sterility with 100% of pollen abortion rate. The outcrossed seed setting rate was high at ~48.8 % in its multiplication plots and 54.1% in its hybrid seed production plots. It was better than Xieqingzao A in the grain quality characters of chalkiness, transparency, gel consistency and amylose content and blast resistance. It also showed a good combining ability and restorable ability. In January 2004, it was technically identified and registered in Zhejiang Province.

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