不同光周期条件下寒地粳稻光周期敏感性评价

赵富阳, 马波, 胡继芳, 谭可菲, 刘传增, 闫锋, 董扬, 侯晓敏, 李清泉, 韩业辉

Evaluation of Photoperiod Sensitivity of Japonica Rice in Cold Regions under Different Photoperiod Conditions

Zhao Fuyang, Ma Bo, Hu Jifang, Tan Kefei, Liu Chuanzeng, Yan Feng, Dong Yang, Hou Xiaomin, Li Qingquan, Han Yehui

表2 各性状在3个主成分中的加权系数

Table 2 The weighted coefficients of agronomic traits in three principal components

性状 Characteristic 主成分Principal component 1 2 3 株高Plant height 0.394 0.677 0.129 茎蘖数Tiller number -0.064 -0.257 0.887 基角Cardinal angle 0.671 -0.631 -0.102 开张角Opening angle 0.753 -0.566 -0.013 叶长Leaf length 0.912 0.097 0.153 叶弦长Blade chord length 0.930 0.062 0.158 叶宽Leaf width 0.224 -0.595 0.545 披垂度Drape 0.859 0.277 -0.217 披垂角Angle of droop 0.464 -0.001 0.042 抽出度Extraction degree -0.245 0.517 0.689 第一节间长 The length of first internode 0.280 0.792 0.179 茎基宽Stem base width 0.345 0.640 -0.108