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2 密度对棉花子棉产量及产量构成的影响

Table 2 Effects of density on unginned cotton yield and yield components

密度(×104株/hm2) Density (×104plants/hm2) 单铃重(g) Single boll weight 单株铃数 Bolls per plant 总铃数(×104/hm2) Total bolls 衣分(%) Lint percentage 子棉产量(kg/hm2) Unginned cotton yield 3.00 6.0a 18.2a 56.0c 37.9b 2 930.6a 6.00 5.9a 11.0b 67.5b 37.7b 3 336.3a 9.00 5.6b 9.5b 84.5a 38.4a 3 281.4a