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作 者:何云凤 翁飚育 马艳馨 喻枢玮 徐翔 王学贵[1,2] He Yunfeng;Ma Yanxin;Wang Xuegui;Weng Biaoyu;Yu Shuwei;Xu Xiang(State Key Laboratory of Southwest Crop Gene Resources Exploration and Utilization,Sichuan Agricultural University,Chengdu Sichuan 611130,China;Sichuan Agricultural University,Chengdu Sichuan 611130,China;Plant Protection Station,Sichuan Provincial Department of A griculture and Rural Affairs,Chengdu Sichuan 610041,China)
机构地区:[1]四川农业大学西南作物基因资源发掘与利用国家重点实验室,四川成都611130 [2]四川农业大学农学院,四川成都611130 [3]四川省农业农村厅植物保护站,四川成都610041
出 处:《农药科学与管理》2024年第3期53-58,共6页Pesticide Science and Administration
基 金:西南作物基因资源发掘与利用国家重点实验室“生物育种”揭榜挂帅项目(SKL-ZY202221)。
摘 要:稻纵卷叶螟是水稻上一种重要的迁飞性害虫,对其防控的研究具有重要意义。为筛选出防效好的杀虫剂,在再生稻田开展了7种杀虫剂对稻纵卷叶螟的田间小区防控试验。结果表明,48%毒死蜱乳油、6%阿维·氯虫苯甲酰胺悬浮剂、15%茚虫威悬浮剂对稻纵卷叶螟速效性和持效性均较好,药后14 d防效仍能保持在>75%;20%氯虫苯甲酰胺悬浮剂和10%甲维·茚虫威悬浮剂防效略低,第14 d防效达分别达到71.59%和69.25%;而1.8%阿维菌素乳油和11.6%甲维·氯虫苯悬浮剂对稻纵卷叶螟防效最低,第14 d防效达仅达到64.63%和61.56%。综上,48%毒死蜱乳油、6%阿维·氯虫苯甲酰胺悬浮剂、15%茚虫威悬浮剂对稻纵卷叶螟具有较好的防治效果,可推荐防控稻纵卷叶螟。Cnaphalocrocis medinalis poses a signifcant threat to rice crops as an important migratory pest,necessitating research into effective prevention and control measure.To screen out the effective insecticides,the control efficacies of seven insecticides againsr C.medinalis were evaluated in regenerated rice fields.The results showed that chlorpyrifos(48%EC),abamectin and chlorantraniliprole(6%SC),indoxacarb(15%EC)exhibited superior field efficacy with rapid effect and long persistence with control rates consistently exceeding 75%.Chlorantraniliprole(20%SC)and the mixture of emamectin and indoxacarb(10%SC)showed less efficacies,reaching 71.59%and 69.25%after 14 d of spraying,However,abamectin(1.8%EC)and the mixture of emamectin benzoate and chlorantraniliprole(11.6%SC)displayed week control efficacies,achieving rates of 64.63%and 61.56%,respectively.In summary,chlorpyrifos(48%EC),the mixture of abamectin and chlorantraniliprole(6%SC),and indoxacarb(15%EC)displayed strong control efficacies,mak-ing them suitable recommendation for C.medinalis control.
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