内蒙古162份苦荞资源表型性状的遗传多样性及综合评价

杨恩泽, 谢锐, 韩平安, 张永虎, 刘锦川, 牛素清, 温蕊, 王春勇, 金晓蕾

Genetic Diversity and Comprehensive Evaluation of Phenotypic Traits of 162 Tartary Buckwheat Resources in Inner Mongolia

Yang Enze, Xie Rui, Han Ping'an, Zhang Yonghu, Liu Jinchuan, Niu Suqing, Wen Rui, Wang Chunyong, Jin Xiaolei

表5 162份苦荞种质资源主要农艺性状主成分分析

Table 5 Principal component analysis of main agronomic characteristics of 162 tartary buckwheat germplasm resources

性状Characteristic 因子1 Component 1 因子2 Component 2 因子3 Component 3 因子4 Component 4 株高Plant height 0.847 -0.194 -0.124 0.073 主茎分枝Branch number of main stem 0.066 0.106 0.861 -0.081 主茎节数Node number of main stem 0.945 -0.049 0.107 -0.052 单株粒数Seeds number per plant 0.965 0.120 -0.058 -0.023 单株粒重Seed weight per plant 0.971 0.105 -0.064 -0.036 千粒重1000-grain weight 0.511 -0.682 0.041 0.024 生育期Growth period 0.194 0.435 0.500 -0.197 株型Plant type 0.260 0.746 -0.418 0.010 粒形Grain shape 0.108 0.127 0.191 0.964 产量Yield 0.979 0.043 0.035 -0.032 特征值Eigenvalue 4.825 1.306 1.240 0.985 贡献率Contribution rate (%) 48.248 13.057 12.400 9.854 累计贡献率Cumulative contribution rate (%) 48.248 61.305 73.705 83.559