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《China Rice》 2016-01
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Breeding and Utilization of Late Medium Japonica CMS Line Chunjiang 99A with High Stigma Exsertion Rate

LIN Jianrong;WU Mingguo;SONG Xinwei;China National Rice Research Institute;  
Chunjiang 99 A is a late medium Japonica CMS line, developed through crossing Chunjiang 99B(Chunjiang 19B×Chunjiang099)to Chunjiang 16 A and successively backcrossing with Chunjiang 99 B as recurrent parent, It was registered and released by Zhe-jiang Provincial Crop Variety Appraisal Committee in 2014. Its percentage of sterile plants was 100%, and its pollen sterility was99.99%. It had the characteristics of high stigma exsertion rate, early flowering, high outcrossing rate, good plant type, pale green leaf and good combining ability. Its F1 hybrids especially for Japonica-Indica cross hybrids showed dominant heterosis, light leaf color,strong lodging resistance, short whole growing period and good color change in mature stage.
【Fund】: 浙江省“0406”项目(2012C12901-2);; 中国水稻研究所基本科研业务费项目(2014RG001-4);; 中国农业科学院科技创新工程项目(CAAS-ASTIP-201XCNRRI);; 浙江省自然科学基金Y13C130015
【CateGory Index】: S511.22
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