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ＳＶ_１增效剂对氧化乐果有较明显的增效作用。据对棉蚜和褐稻虱活性测定，增效３倍以上。对田间蚜虫，在药效相近情况下可使氧化乐果用药量降低１／３～３／４，并可延长残效期。但对二化螟和棉铃虫表现为相加作用。
SV_1 synergist has a significant synergistic effect on omethoate. According to the activity of cotton aphid and brown planthopper test, synergy more than 3 times. In the field of aphids, in the case of similar effects can reduce the dose of omethoate 1/3 to 3/4, and can extend the residual period. But showed additive effects on the stem borer and cotton bollworm.