夏播短季栽培模式下棉花产量及纤维品质对脱叶催熟剂喷施时间的响应

谢章书, 荣志凌, 覃业玲, 李侃, 周仲华, 屠小菊, 汪启明, 刘爱玉

Response of Cotton Yield and Fiber Quality to the Timing of Defoliant Spraying under Summer-Sown Short-Season Cultivation Pattern

Xie Zhangshu, Rong Zhiling, Qin Yeling, Li Kan, Zhou Zhonghua, Tu Xiaoju, Wang Qiming, Liu Aiyu

表3 脱叶剂喷施时间对后期开花棉铃产量性状和吐絮率的影响

Table 3 Effects of defoliant spraying time on late flowering boll yield traits and boll opening rate

花后天数 Days post- anthesis 单铃重 Boll weight (g) 衣分 Lint percentage (%) 吐絮率 Boll opening rate (%) 34 (10-03) 3.70±0.05a 36.78±0.39a 94.85±0.68a 37 (10-06) 3.82±0.12a 36.51±0.24a 80.59±0.46b 40 (10-09) 3.90±0.08a 37.40±0.03a 90.74±0.38a 43 (10-12) 4.09±0.09a 37.63±0.12a 96.30±1.62a 46 (10-15) 3.90±0.13a 37.40±0.11a 92.60±1.28a