Toxicities of insecticides on onion thrips collected from Welsh onion fields in Nara prefecture

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  • 奈良県のネギから採集したネギアザミウマに対する各種殺虫剤の殺虫効果

Abstract

<p>Using onion thrips collected from Welsh onion fields in Nara prefecture, Japan, the toxicities of 11 insecticides were investigated. Treatment with imidacloprid, spinosad, abamectin, flometoquin, cyantraniliprole, and pyridalyl exhibited the greatest efficacy, with greater than 90% mortality and no leaf damage, followed by emamectin benzoate. Treatment with cypermethrin, dinotefuran, thiocyclam, and tolfenpyrad led to less than 60% mortality. Results suggested that spinosad, abamectin, flometoquin, and cyantraniliprole have utility for chemical control of onion thrips.</p>

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