不同药剂防治水稻二化螟药效试验

Efficacy Test of Different Medicament Treatments for Control of Chilo Suppressalis

二化螟是水稻的主要害虫之一,为筛选出防治水稻二化螟效果好、持效时间长、保苗效果好、安全可靠的药剂,2020年在浦城县万安村石排下,选择5种药剂开展药效试验。结果表明,每667㎡施24%甲氧虫酰肼SC 28 mL和20%氯虫苯甲酰胺SC 10 mL防治水稻二化螟,药后7 d、14 d的杀虫效果、保苗效果显著优于其它参试药剂,是防控水稻二化螟的理想药剂。

Chilo suppressalis is one of the major pests of rice,experiment of 5 different medicaments to control Chilo suppressalis were conducted in Wanan Village to screen out medicament that was longlasting,good effect,safe and reliable,results showed that treatment of 24%methoxyfenozide or 20%chlorantraniliprole after 7 d and 14 d per 667 ㎡ had better effects on disinsection and seedling protection than other test medicaments,and were ideal insecticides to control Chilo suppressalis.