中国森林病虫2025，Vol.44Issue(4)：37-42,6.DOI:10.19688/j.cnki.issn1671-0886.20250026
植保无人机高寒牧区防治青海草原毛虫九种药剂筛选
Screening of nine insecticides against Gynaephora qinghaiensis with plant protection drone in alpine pastoral area
摘要
Abstract
To screen effective insecticides for controlling Gynaephora qinghaiensis,nine kinds of high-efficiency green biogenic pesticides were selected to control the third instar larvae of G.qinghaiensis by low-altitude spraying with plant protection UAVs,and control effects of different dosages were compared.The results showed that the corrected control effects of lambda-cyhalothrin 10%emulsifiable concentrate(EC)and nicotine·matrine 1.2%EC against G.qinghaiensis were more than 90%three days after application,showing rapid effect.The corrected control effects of abamectin 5%EC,pyrethrins·matrine 0.5%soluble liquid(SL)and nicotine·matrine 1.2%EC against G.qinghaiensis were more than 90%five days after application.The corrected control effects of six insecticides on G.qinghaiensis were more than 90%seven days after application.The corrected control effects of 1×1010 CFU/g Metarhizium anisopliae wettable powder(WP)and 1.5×1010 CFU/g Beauveria bassiana WP with dosage of 1 200 mg/hm2 against G.qinghaiensis were 82.4%and 80.2%,respectively,which were not significantly different from that of lambda-cyhalothrin 10%EC,showing persistent effect.Considering the control effect and economic cost,it is recommended to apply lambda-cyhalothrin 10%EC and nicotine·matrine 1.2%EC with dosage of 300 mL/hm2 for emergency control when pest population density increases rapidly.When the damage degree is low,it is recommended to alternately apply abamectin 5%EC with dosage of 150 mL/hm2,osthole 1%SL,azadirachin 0.3%EC,pyrethrins·matrine 0.5%SL and emamectin benzoate·hexaflumuron 6%EC with dosage of 300 mL/hm2,or 1×1010 CFU/g M.anisopliae WP,1.5×1010 CFU/g B.bassiana WP with dosage of 900 mg/hm2.关键词
青海草原毛虫/高效氯氟氰菊酯/烟碱·苦参碱/蛇床子素/田间防效Key words
Gynaephora qinghaiensis/lambda-cyhalothrin/nicotine·matrine/osthole/field efficacy分类
农业科技引用本文复制引用
王彦,柴守权,杨浩,席驳鑫,李晓鹏,温玄烨..植保无人机高寒牧区防治青海草原毛虫九种药剂筛选[J].中国森林病虫,2025,44(4):37-42,6.基金项目
国家重点研发计划"主要草原生态区重要病虫害综合防控技术集成示范"(2022YFD1401105) （2022YFD1401105）
2023年中央财政林业草原改革发展资金项目"甘肃省草原有害生物普查" （）
