我社于1980～82年做了红铃虫棉田防治试验。试验①82年设防治与不防治二个处理,每处理区0.5亩,在一、二代卵孵始盛期和高峰期,用624型背包喷雾机防治二次。试验②80～82年各代防治策略,设八个小区(表1),小区面积0.5～1.5亩,重复2～3次,防治药剂为500倍25%杀虫脒和4000倍20%杀灭菊酯用624型背包机喷雾。一代防治打棉花全 Our company in 1980 to 82 made a red bollworm cotton field control test. Test ① 82 years with prevention and treatment of two treatment, each treatment area 0.5 acres, in the first and second generation egg hatching peak and peak, with a 624 type backpack sprayer control two times. Experiment (2) Prevention and control strategies for each generation from 1980 to 1982, with eight plots (Table 1), plot size 0.5-1.5 mu and replicate 2-3 times with 500 times 25% chlordimeform and 4000 times 20% chrysanthemum Ester with 624 backpack machine spray. A generation of cotton hit prevention and control