Abstract

Twelve entomopathogenic fungi were screened for controlling diamondback moth (Plutella xylostella L.) eggs and larvae in the laboratory. None had any significant ovicidal effect.Isaria fumosorosea CKPF-095 showed the best efficacy in controlling the 2nd instar larvae. It was formulated into a wettable powder at a concentration of 1 × 109 conidia g−1 and used in two field tests. Both tests revealed thatI. fumosorosea CKPF-095 at 1.25 × 1013 ha−1 showed as good efficacy as Dipel at 1 × 1011 IU ha−1.

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