机采棉主要农艺性状与密度相关性分析

王燕,王树林,张谦,冯国艺,雷晓鹏,梁青龙,祁虹

Correlation Analysis between Main Agronomic Traits and Density in Mechanical Harvest Cotton

Yan Wang,Shulin Wang,Qian Zhang,Guoyi Feng,Xiaopeng Lei,Qinglong Liang,Hong Qi

表1 密度对棉花适宜机采农艺性状的影响

Table 1 Effects of density on mechanical harvest agronomic traits of cotton

密度 (×104株/hm2) Density (×104plants/hm2) 株高 Plant height (cm) 第一果枝高度 Height of the first fruit branch (cm) 第一果枝节位 Node of the first fruit branch 果枝长度 Length of the fruit branch (cm) 果枝第一节位长度 Length of the first node of the fruit branch(cm) 果枝节数 Nodes per fruit branch 果枝夹角 Fruit branch angle(°) 单株果枝数 Fruit branches per plant 单株 干物质量 Dry weight per plant (g) 3.00 102.2a 26.7b 7.1a 47.3a 15.0a 6.3a 65.0a 13.4a 149.02a 6.00 96.8ab 25.6b 6.7a 32.9b 12.4b 5.4a 61.3a 12.1b 124.87ab 9.00 89.5b 29.5a 6.8a 28.9b 12.1b 3.9b 60.1a 10.8c 90.92b