中晚熟区主要高粱品种耐瘠性综合评价

张彦,王劲松,董二伟,武爱莲,王媛,焦晓燕

Comprehensive Evaluation of Low-Fertility Tolerance of Different Sorghum Cultivars in Middle-Late-Maturing Area

ZHANG Yan,WANG JinSong,DONG ErWei,WU AiLian,WANG Yuan,JIAO XiaoYan

表7 各综合指标特征值及贡献率

Table 7 Eigenvalue and contribution of each comprehensive index

主成分 Principal component 特征值 Eigenvalue 贡献率 Contributive rate (%) 累积贡献率 Cumulative contributive rate (%) 1 4.64 30.91 30.91 2 2.63 17.53 48.44 3 2.62 17.45 65.89 4 2.01 13.41 79.30 5 1.50 9.98 89.28