【摘要】 研究比较了植保无人机与背负式喷雾器喷施虫螨腈(Chlorfenapyr)防治茶小绿叶蝉(Empoasca onukii Matsuda)的田间防效、农药残留动态和作业效率。结果表明,植保无人机和背负式喷雾器在施药后7d的防效分别为73.3%和84.5%,两者防效相当;两种喷施方式下虫螨腈在鲜叶中消解动态无差异,半衰期分别为3.9 d和4.2 d;植保无人机的作业效率是背负式喷雾器的14.1倍。植保无人机喷施虫螨腈防治小绿叶蝉防效良好,且安全省力。更多还原

【Abstract】 Now plant protection UAV has been widely used for flying defense,This study compared the field control efficiency,pesticide residue dynamics and work efficiency of plant protection UAV and electrostatic knapsack sprayer spraying chlorfenapyr to control Empoasca onukii Matsuda.The results show that the control efficacies of plant protection UAV and knapsack sprayer were 73.3% and 84.5% 7 days after spraying,which were equvalent.Under the two spraying methods,there was no difference in the dissipation dynamics of chlorfenapyr in fresh leaves,and the half-life were 3.9 days and 4.2 days.In addition,the work efficiency of plant protection UAV was 14.1 times higher than that of backpack sprayer.The plant protection UAV spraying chlorfenapyr has a good control effect on Empoasca onukii Matsuda,and it is safe and labor-saving.更多还原