Experiment on the Control of Stephanitis pyriodes with Several High-toxic Replaced Pesticides

To choose five kinds harmless pesticides spraying to control of Stephanitis pyriodes.The test result indicates the all pesticides have very good effect equally.But there existing differences in the quick-acting and long-acting. 2.5% Bifenthrin was the best one, 48% Lorsban was in the second place, 1.8% Abamectin was the dispatch most in the quick-acting.3% Acetamiprid was the best one, 10% Imidacloprid was in the second place, 48% Lorsban was the dispatch most in long-acting. To choose 5% Carbosulfan granules Soil treatment to control of Stephanitis pyriodes. The test result indicated different dosages pesticides had fairly good prevention effect equally.Think of the cost and the safe factor of environment, the optimum amount of Root Application with pesticides was 3 kg/667m2.