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Evaluation of susceptibility of western flower thrips (Frankliniella occidentalis) and garden thrips (F. intonsa) to 46 insecticides
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- URLhttps://db.koreascholar.com/Article/Detail/346921
The susceptibility of the Frankliniella occidentalis and Frankliniella intonsa was evaluated using 46 commercial insecticides. There were 10 kinds of insecticides as benfuracarb, chlorfenapyr, spinetoram, spinosad, abamectin + chlorfenapyr, abamectin + emamectin benzoate, chlorfenapyr + clothianidin, chlorfenapyr + imidacloprid, clothianidin + spinetoram and dinotefuran + spinetoram, which showed more than 90% mortality against both thrips, F. occidentalis and F. intonsa. Since the F. intonsa is more susceptible than F. occidentalis, it is considered that both thrips can be controlled by insecticides that show insecticidal activity on the F. occidentalis. The effect by the elapsed time after treatment of 10 kinds of insecticides was analyzed as LT50 and LT95 values. Benfuracarb was the fastest in 4.3 h (LT50) and 14 h (LT95), and spinetoram showed the most late time at 13.5 h (LT50) and 62.3 h (LT95), respectively.
