摘要
为探讨新疆石河子地区机采棉不同时期喷施脱吐隆对棉花的脱叶效果。于2019年在石河子地区乌兰乌苏农业气象试验站院内进行了4个时期喷施脱吐隆的脱叶效果试验。结果表明:8月30日喷施处理(日平均气温大于17℃,日最低气温大于15℃)的脱叶率较高,药后22天脱叶率为93.7%,但棉花产量较低;9月10日喷施处理的脱叶效果最高,药后22天脱叶率为97.7%,棉花产量较高。新疆石河子地区机采棉施用脱叶剂的最佳时期为9月10日左右。以期为提高棉花脱叶质量、提升棉花品质提供理论依据和技术支持。
In order to explore the effect of defoliating cotton by spraying troturon in different periods of machine-picked cotton in Shihezi,Xinjiang.In 2019,the defoliation effect test of spraying trotolon was carried out in the courtyard of Ulan Wusu Agricultural Meteorological Experimental Station in Shihezi District.The results showed that the defoliation rate of spraying treatment on August 30(the average daily temperature was greater than 17℃and the daily minimum temperature was greater than 15℃)was higher,and the defoliation rate was 93.7%at 22 days after the treatment,but the cotton yield was low;The defoliation effect of spraying on September 10 was the highest,and the defoliation rate was 97.7%at 22 days after the treatment,and the cotton yield was higher.The best time to apply defoliants on machine-picked cotton in Shihezi,Xinjiang is around September 10.It is expected to provide theoretical basis and technical support for improving cotton defoliation quality and cotton quality.
作者
刘勇
杨明凤
白书军
王雪姣
Liu Yong;Yang Mingfeng;Bai Shujun;Wang Xuejiao(Wulan Wusu Agrometeorological experimental station.,Shawan,Xinjiang 832023,China;Xinjiang Agrometeorological station.,Urumqi,Xinjiang 830011,China)
出处
《棉花科学》
2020年第6期28-31,共4页
Cotton Sciences
基金
中亚大气科学研究基金(CAAS201822)
石河子气象局局管课题(sky201701)。
关键词
石河子地区
机采棉
脱叶剂
喷施时期
脱叶效果
Shihezi district
Machine picked cotton
Defoliant agent
Spraying period
Defoliation effect
