气象因子与向日葵DUS测试测量型性状的关系

刘春晖, 杜瑞霞, 王永行, 杨钦方, 单飞彪, 胥福勋, 赵宇新, 陈舒舒, 刘伟

Relationship between Meteorological Factors and DUS Test Measurement Traits of Sunflower

Liu Chunhui, Du Ruixia, Wang Yongxing, Yang Qinfang, Shan Feibiao, Xu Fuxun, Zhao Yuxin, Chen Shushu, Liu Wei

表3 气象因子对向日葵数量性状逐步回归结果

Table 3 The results of stepwise regression of sunflower quantitative traits and meteorological factors

性状Trait 方程Equation R2 开花期Duration of flowering Y=9.831 464x5-0.507 700x8+1.189 715x7+2.054 477x3-164.524 799 0.8613** 叶片大小Leaf size Y=5.738 234x6+1 234.595 676 0.3303** 花盘大小Head size Y=0.337 928x7+7.384 168 0.1880** 株高Plant height Y=0.003 381x6+0.112 299x4+0.242 858 0.2975** 籽粒大小Seed size Y=-0.028 659x7-0.104 485x4+5.485 088 0.2035** 籽粒厚度Seed thickness Y=-0.075 896x7+8.861 333 0.1883**