16 000 IU/mg苏云金杆菌悬浮剂对稻纵卷叶螟的防治效果

摘要

The field trials of 16 000 IU/mg Bacillus thuringiensis SC on Cnaphalocrocis medinalis Guenee were carried out. The results showed that 16 000 IU/mg Bacillus thuringiensis SC had good control effect 12 d after three treatments (750, 1 500, 2 250 g/hm2),the efficacy was 83.73%,87.73%,93.50% respectively. It could be used in the production of green andrnorganic agriculture.%试验结果表明,16 000 IU/mg苏云金芽孢杆菌(Bacillus thuringiensis)悬浮剂对稻纵卷叶螟(Cnaphalocrocis medinalis Guenee)有较好的防效,750、1 500、2 250 g/hm2 3个处理浓度药后12d的防效分别为83.73％、87.73％、93.50％,可用于绿色及有机农业的生产.