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杨树枝把是棉铃虫预测预报和防治的重要手段之一。其使用效果在棉铃虫的3、4代发生期更优于性诱剂。概述了诱集棉铃虫的杨树枝把的作用、效果,分析了杨树枝把诱集棉铃虫的性别、代次差异、作用机理、诱集时间的特异性,以及杨树枝叶挥发性物质的分离提取、室内分析与田间诱集测试进展,并分析了杨树枝把在害虫防治中的应用前景。
Populus tomentosa is one of the important means of forecasting and controlling cotton bollworm. The use effect of cotton bollworm generation 3 generation better than sexual lure. The effects of trapping poplar bolls on poplar bollworm were summarized. The sex, the differences of generations, the mechanism of trapping, the specificity of trapping time and the separation of volatile compounds in poplar branches and leaves were analyzed Extraction, indoor analysis and field trapping test, and analyzed the application prospects of poplar branches in pest control.