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Rosmery Malory Noli Erquinio,Min Jae Kim,Ho Wook Lee,Hwang Bin Yu,Yi Seul Kim,Abraham Okki Mwamula,Dong Woon Lee 한국응용곤충학회 2024 한국응용곤충학회 학술대회논문집 Vol.2024 No.04
Five insecticides (Acrinathrin, Dinotefuran, Emamectin benzoate, Chlorfenapyr and fluxametamide) approved for tomato cultivation were evaluated in Frankliniella occidentalis populations collected from Chungcheong province (Cheongyang, Chungju and Gongju). Leaf dip bioassay was used to evaluate resistance levels (LC50). Bioassays on Acrinathrin demonstrated higher LC50 concentration in evaluated populations. In particular, the Chungju population was 745.61 times the recommended concentration of the insecticide. Other remarkable resistance levels were recorded for the Dinotefuran with 435.06 times and 196.29 times the recommended concentrations for the populations from Chungju and Gongju, respectively. Bioassays for Emamectin benzoate, Chlorfenapyr and Fluxametamide showed low resistance to insecticides in the evaluated populations.
Kyeong Woo Kim,Hwang Bin Yu,Ho Wook Lee,Min Jae Kim,Rosmery Malory Noli Erquinio,Yi Seul Kim,Abraham Okki Mwamula,DongWoon Lee 한국응용곤충학회 2024 한국응용곤충학회 학술대회논문집 Vol.2024 No.04
Yellow flower thrips (WFT), Frankliniella occidentalis is mainly controlled using chemical control methods. But the continuous use of chemical pesticides in greenhouse may contribute to development of insecticide resistance. Therefore, in this study, we evaluated the insecticidal activity of eleven insecticides against the WFT occurring in greenhouse pepper cultivation in the Gyeonggi province. The results showed no resistance in treatments with emamectin benzoate, fluxametamide, and flometoquin while high levels of resistance were recorded in treatments with acrinathrin, acetamiprid, and dinotefuran. The Anseong and Yeoju population was more resistant against spinetoram and chlorfluazuron, respectively, than populations from other regions.