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用45％灭铃宝乳油剂量以874．5ml／ha和1312．5ml／ha防治棉铃虫卵和幼虫效果理想，药后1d防效就分别达82．50％和86．30％，防效明显优于对照药剂40％氧化乐果乳油和50％辛硫磷油．
The effect of preventing and curing bollworm eggs and larvae with 874.5ml / ha and 1312.5ml / ha with 45% boll oil dosage was 82.50% and 86.30% respectively, and the control effect was obvious Better than the control agent 40% omethoate and 50% phoxim.