Effect Evaluation of Six Insecticides for Controlling Diamondback Moth

The effects of six insecticides were evaluated against diamondback moth (Plutella xylostella) in the field. The results showed that the mortality was over 92% for controlling the insect with the preparations, those were 24.5% avermectin mixed with diesel oil and 20% avermectin mixed with phoxim, which were used at 50 g/667m2. The controlling effects of 5% avermectin and 5% avermectin mixed with beta-cypermethrin were over 80% when used at 15 g/667m2. All those preparations mentioned above are excellent agents for controlling diamondback moth.