70噻虫嗪WS处理打瓜种子防治地下害虫的药效试验

摘要

为验证70%噻虫嗪种子处理可分散粉剂(WS)对打瓜地下害虫的防治效果，采用拌种法，分别用种子量0.1%、0.2%和0.4%的剂量处理打瓜种子进行防治地下害虫的药效试验。结果表明：不同剂量药剂处理出苗率均在85%以上；对苗期地下害虫的平均防效分别为77.55%、83.67%、87.75%，且对打瓜生长无不良影响。%In order to prove the control effects of thiamethoxam 70% WS for underground pests, efficacy tests were carried out using thiamethoxam 70% WS dressed as 0.1%, 0.2% and 0.4% of the seeds of watermelon. The results showed that seeding emergence rates of watermelon exceeded 85%, the control effects of three treatments were 77.55%, 83.67%, 87.75%, respectively. Thiamethoxam 70%WS had no effect on the growth of watermelon.