基于农艺性状对57NG208与南涧果蔗正反交后代的综合评价

俞华先, 安汝东, 桃联安, 郎荣斌, 边芯, 张钰, 刘新龙, 刘家勇, 赵丽萍, 刘洪博, 张革民, 张保青

Comprehensive Evaluation of Reciprocal Cross Hybrids between 57NG208 and Nanjian Chewing Cane Based on Agronomic Traits

Yu Huaxian, An Rudong, Tao Lianan, Lang Rongbin, Bian Xin, Zhang Yu, Liu Xinlong, Liu Jiayong, Zhao Liping, Liu Hongbo, Zhang Gemin, Zhang Baoqing

表7 参试材料的特征值、贡献率和累计贡献率

Table 7 Eigenvalues, contribution rates and cumulative contribution rates of the tested materials

性状Trait PC1 PC2 PC3 株高Plant height 0.33 -0.30 -0.12 茎径Stalk diameter 0.22 0.61 0.30 锤度Brix 0.02 0.14 -0.39 单茎重Single stalk weight 0.35 0.47 0.21 有效茎数Effective stalk number 0.37 -0.26 -0.36 蔗茎产量Sugarcane stalk yield 0.48 0.06 -0.16 糖产量Sugar yield 0.46 0.09 -0.28 特征值Eigenvalue 3.87 1.80 1.65 贡献率Contribution rate 43.02 20.04 18.33 累计贡献率Cumulative contribution rate 43.02 63.06 81.39