棉花脱叶催熟剂对纤维品质的影响及应用时间的确定

田景山, 张煦怡, 王文敏, 杨延龙, 随龙龙, 张鹏鹏, 张亚黎, 张旺锋, 勾玲

A method of defoliant application based on fiber damage and boll growth period of machine-harvested cotton

Jing-Shan TIAN, Xu-Yi ZHANG, Wen-Min WANG, Yan-Long YANG, Long-Long SUI, Peng-Peng ZHANG, Ya-Li ZHANG, Wang-Feng ZHANG, Ling GOU

表2 品种试验种植的棉花品种、播种日期、挂花日期和取样时间

Table 2 Cotton cultivars, sowing dates, tagged dates and sampling dates in the variety experiment

年份 Year ‘新陆早’系列品种序号 No. of ‘Xinluzao’ cotton cultivars 播种日期 Sowing dates (month/day) 挂花时期 Tagged dates (month/day) 取样时间 Sampling dates (d) 2014 1, 2, 5, 7, 10, 13, 24, 36, 45, 52, 53 5/1 7/15 46 2015 1, 2, 5, 7, 10, 24, 36, 52, 53 4/20 7/9 53 2016 1, 6, 7, 13, 33, 45, 46, 47, 58, 60, 62, 63, 64 4/21 7/20 43 2017 45, 46, 47, 60, 61, 62, 63, 64 4/22 7/12 50