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Improved control of Frankliniella occidentalis on greenhouse pepper through the integration of Orius sauteri and neonicotinoid insecticides

文献类型： 外文期刊

作者： Lin, Qing-cai 1 ; Chen, Hao 1 ; Babendreier, Dirk 2 ; Zhang, Jin-ping 3 ; Zhang, Feng 3 ; Dai, Xiao-yan 1 ; Sun, Zuo-w 1 ;

作者机构： 1.Shandong Acad Agr Sci, Inst Plant Protect, Jinan 250100, Peoples R China

2.CABI, Rue Grillons 1, CH-2800 Delemont, Switzerland

3.MoA CABI Joint Lab Biosafety, Beijing 100193, Peoples R China

4.Shandong Gen Stn Plant Protect, Jinan 250100, Peoples R China

5.Yangtze Univ, Coll Agr, Jingzhou 434023, Peoples R China

关键词： Frankliniella occidentalis; Integrated pest management (IPM); Neonicotinoid insecticides; Orius sauteri

期刊名称：JOURNAL OF PEST SCIENCE （ 影响因子：5.918； 五年影响因子：5.955 ）

ISSN： 1612-4758

年卷期： 2021 年 94 卷 1 期

页码：

收录情况： SCI

摘要： Frankliniella occidentalis (Thysanoptera: Thripidae) is a notorious pest of horticultural crops, against which the predator Orius sauteri or neonicotinoid insecticides are commonly used in control programmes. Here, we carried out a series of indoor acute toxicity tests and a risk assessment of eight neonicotinoid insecticides (imidacloprid, nitenpyram, acetamiprid, thiacloprid, thiamethoxam, clothianidin, dinotefuran and flupyradifurone) for O. sauteri and F. occidentalis. For O. sauteri, the LC50 values of acetamiprid and flupyradifurone were 12.75 and 9.24 mg a.i. L-1, respectively, and their hazard quotients were <= 2. Their toxicities to F. occidentalis were in a similar range. When LC20 of acetamiprid or flupyradifurone was applied to the pest, predator or both, predation ability was slightly reduced with flupyradifurone (37, 59 and 18, respectively) having less impact compared to acetamiprid (18, 21 and 10, respectively). Furthermore, we performed a greenhouse efficacy trial which involved the selected neonicotinoids acetamiprid and flupyradifurone as well as O. sauteri. Our results showed that integrated pest management, i.e. the application of half the amount of O. sauteri together with low doses (LC20) of acetamiprid or flupyradifurone, significantly reduced the pest with 76% and 75%, respectively, during the trial time, similar to the biocontrol treatment and significantly better than for chemical control alone. The cost of the integrated pest control strategy was similar to chemical control alone and lower than for biocontrol, indicating its potential as an economically feasible thrips control strategy, with reduced environmental risks compared to using chemicals only.

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