新疆机采棉花实现叶片快速脱落需要的温度条件

田景山,张煦怡,张丽娜,徐守振,祁炳琴,随龙龙,张鹏鹏,杨延龙,张旺锋,勾玲

Temperatures of promoting rapid leaf abscission of cotton in Xinjiang region

Jing-Shan TIAN,Xu-Yi ZHANG,Li-Na ZHANG,Shou-Zhen XU,Bing-Qin QI,Long-Long SUI,Peng-Peng ZHANG,Yan-Long YANG,Wang-Feng ZHANG,Ling GOU

表1 脱叶催熟剂试验中的棉花品种、播种日期、脱叶催熟剂喷施时间和调查时间

Table 1 Cotton cultivars, bowing dates, defoliation times, and investigation times in the defoliation experiments

年份 Year 试验地点 Experiment plot “新陆早”系列品种序号 No. of “Xinluzao” cotton cultivars 播种日期 Bowing dates (month/day) 脱叶催熟剂 喷施时间 Defoliation times (month/day) 叶片数调查时间 (喷施脱叶剂后天数) Investigation times of leaf number (days after defoliant application) 2017 石河子大学农学试验站 Shihezi University Experiment Station 33, 59 4/22 8/8, 8/16, 8/24 8, 16, 23, 29, 36 2016 石河子大学农学试验站 Shihezi University Experiment Station 6, 13, 33, 45 4/21 8/18, 8/25, 9/4 6, 13, 19, 26 新疆乌兰乌苏农业气象试验站 Wulanwusu Agrometeorological Experiment Station 33 4/15 8/11, 8/20, 8/27 6, 13, 20, 28 59 4/8, 4/15 8/11, 8/20, 8/27 6, 13, 20, 28 59 4/22 8/20, 8/27, 9/3 7, 14, 21, 29 2014 新疆兵团第八师一四九团三连 Third company Regimental Farm 149, the Eighth Division 45 4/20 9/12, 9/19 7, 14, 20, 28 2013 新疆兵团第八师一四九团三连 Third company Regimental Farm 149, the Eighth Division 45 4/20 9/8, 9/15 7, 14