吡虫啉拌种控制棉虫作用及其促长保产效应

Effects of Imidacloprid by Seed Dressing for Controlling Cotton Pests ,Stimulating Growth and Increasing the Yield

田间试验结果表明，吡虫啉有效成分５０～６０克拌棉种１００公斤，能够控制棉蚜的为害，持效期达６０天左右。同时可减轻棉卷叶蛾为害，促进棉苗生长和增加产量。

The results of field trial indicated that imidacloprid was used to control cotton aphid by seed dressing at the dosage of 50～60g a.i./100kg cotton seed ,and the action lasted for 60 days .Imidacloprid also decreased the damage of cotton leaf rollor,stimulated growth of cotton seedling and increased the yield,with no effect of emergence.