1.二臭一苦剂:大艾叶4斤,野芝麻叶半斤,了哥王(俗名鬼辣椒)根1斤,先将药物切碎捣烂,掺水14斤煮沸后文火熬煎半小时,即成二臭一苦原液。喷时以原液1斤加清水3斤喷射心叶,隔天检查,玉米螟幼虫死亡83.33%。2. 四苦合剂:化香 1. Two smelly bitter agent: big leaves 4 pounds, wild sesame leaves half a catty, the brother king (common name ghost pepper) root 1 kg, the first drug smashed smashed, mixed with boiling water boil 14 pounds half an hour later, Serve as two smelly bitter solution. Spray liquid 1 kg of water plus 3 pounds spray heart leaves, the next day check, corn borer larvae died of 83.33%. 2. Four Ku mixture: Aroma