Abstract:The phenotypic values of 12 main agronomical traits of 187 conventional japonica rice varieties approved by Heilongjiang from 2009 to 2018 including active accumulated temperature,brown rice rate,milled rice rate,gel consistency,amylopectin,1 000-grain weight,yield,daily yield,accumulated temperature yield,panicle neck blast and empty shell rate were statistically analyzed. The entropy weight-efficacy evaluation and cluster analysis were carried out with SPSS and MATLAB software. The results showed that the rice varieties in Heilongjiang had obvious characteristics of accumulated temperature zone and ecological environment,indicating that the breeding of varieties should be based on the premise of adapting to accumulated temperature zone and ecological environment. On the basis of focusing on improving the resistance to panicle neck blast and the rate of seed setting,the major agronomic traits including quality and yield will be steadily selected. The comprehensive index value was used to evaluate/rank the rice varieties in each accumulated temperature zone and screen/discover the elite rice resources. 5 groups with differences in genetic distance were divided according to the comprehensive index value. The degree of dispersion of group differences was in the decreasing order of the third accumulated temperature zone>the first accumulated temperature zone>the second accumulated temperature zone>the fourth temperature zone. The top 10 elite rice resources with comprehensive traits screened and discovered in different accumulated temperature zone were as follows:varieties in the first accumulative temperature zone include Longdao 18,Longdao 23,Longdao 16,Longdao 19,Dongfu 102,Longxiangdao No.2,Longyang No.1,Dongnong 430,Songjingxiang No.1 and Longdao 24 ; varieties in the second accumulated temperature zone include Suijing 14,Dongnong 428,Jinhe No.2,Beidao No.4,Muxiang No.1,Suidao No.2,Suijing 18,Suidao No.3,Jinhe No.1 and Suidao No. 1; varieties in the third accumulated temperature zone include Longjing No.25,Longjing No.26,Longyang 11,Longjing No.27,Longjing 53,Longjing No.32,Longdun 107,Longjing No.28,Longhua 04-050 and Jiahe No. 1; varieties in the fourth accumulated temperature zone were include Fuhe No.3,Suijing 12,Lianhui No.1,Longjing 65,Lianyu 625,Longjing 66,Kendao 19,Longjing 48,Suijing 25 and Longqingdao No.22. These elite rice resources can be used as hybrid parents in the future.