35%丁硫克百威种子处理干粉剂对稻蓟马的防治效果

Efficacy of carbosulfan 35% DS against Stenchaetothrip biformis Borgnall

田间药效试验结果表明,35%丁硫克百威种子处理干粉剂能有效防治水稻秧田的稻蓟马危害,持效期较长。35%丁硫克百威种子处理干粉剂在12～18 g/kg种子的剂量下防治效果显著,处理种子15、20 d后的防治效果为84.70%～89.50%。在推荐使用剂量范围内对水稻不产生药害,可进一步推广应用。

The effective test results showed that carbosulfan 35% DS could effectively control Stenchaetothrip biformis（Borgnall） on the rice seedling bed with a long persistent period.The control efficiency was significant which ranged from 84.70% to 89.50% for 15 and 20 d after the rice seeds applied with carbosulfan 35% DS within the dosage of 12～18 g/kg.It would not produce phytotoxicity on rice under the recommended dosage scope that could be applied further.