Effects of insecticides on diamondback moth, Plutella xylostella (Linnaeus) collected from the cultivation area of Japanese radish and Komatsuna in Wakayama

Abstract

The control effects of 9 insecticides on diamondback moth, Plutella xylostella (Linnaeus), collected in Wakayama city, Japan, were investigated at the 3rd instar larvae using the leaf dipping method. Spinosad, emamectin benzoate, BT kurstaki, BT aizawai and cyantraniliprole exhibited high insecticidal activity. Indoxacarb and chlorantraniliprole were low effective. Cartap hydrochloride, and flometoquin were moderate effective.