长江下游稻区不同类型双季晚粳稻产量与生育特性差异

殷敏,刘少文,褚光,徐春梅,王丹英,章秀福,陈松

Differences in Yield and Growth Traits of Different Japonica Varieties in the Double Cropping Late Season in the Lower Reaches of the Yangtze River

Min YIN,ShaoWen LIU,Guang CHU,ChunMei XU,DanYing WANG,XiuFu ZHANG,Song CHEN

表6 晚稻主要农艺性状特征值及贡献率

Table 6 Eigenvectors and contribution rate of main agronomic traits of late rice

主成分 Principal component 特征值 Eigenvectors 贡献率 Contribution rate (%) 累积贡献率 Cumulative contribution rate (%) 1 3.4 37.7 37.7 2 2.2 24.7 62.4 3 1.0 11.2 73.6 4 0.9 10.4 84.0 5 0.7 8.3 92.2 6 0.6 6.6 98.8 7 0.1 1.1 99.9 8 0.0 0.1 100.0 9 0.0 0.0 100.0