Laboratory toxicity and field efficacy testing were conducted with dipping and spraying methods, respectively, to determine the efficacy of vegetable oil in controlling Rhopalosiphum pseudobrassicae.

• 摘要为了明确植物油对害虫的防治效果，分别用浸渍法、喷雾法对菜蚜进行了室内毒力和田间药效试验。