三种无公害杀虫剂无人机施药防治赤松梢斑螟效果对比试验

Forest Pest and Disease(2021)

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Abstract
为筛选防治赤松梢斑螟Dioryctria sylvestrella的新型绿色高效低成本药剂,探索无人机施药防治赤松梢斑螟的剂量,提高防治效果,分别用3.6%烟碱·苦参碱微囊悬浮剂(CS)、10%吡丙醚乳油(EC)、20%氯虫苯甲酰胺悬浮剂(SC)的3种剂量对赤松梢斑螟进行防治试验.结果表明:3种杀虫剂不同处理组的虫口减退率、被害率减退率和防治效果的差异较大.剂量为450 mL/hm2的20%氯虫苯甲酰胺SC防效最高,达到92.54%;其次是剂量为1500 mL/hm2的3.6%烟碱·苦参碱CS,达到89.71%;3500 mL/hm2的3.6%烟碱·苦参碱CS防效最低,为78.95%.
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