驱虫剂使作物免遭为害常规的防止害虫损坏作物的方法，经常没有什么效果，并且会造成环境污染，既不可令人接受亦不经济。然而，那些能抑制害虫摄食的物质在减少损害方面却有很大的潜力。如果使用相对温和点的驱虫剂，包括种衣剂和其它具有潜在毒性的外用药剂，则能够降低... Insect repellents keep plants from being harmed Routine methods of preventing crops from damaging crops are often ineffective and cause environmental pollution that is both unacceptable and uneconomical. However, substances that inhibit pest feeding have great potential for reducing damage. If using relatively mild points of repellent, including seed coating agents and other potentially toxic external agents, it is possible to reduce ...