Method for fumigating and killing plant hopper of sugar cane

The invention discloses a method for fumigating and killing a plant hopper of sugar cane. In an emergence period of the plant hopper of the sugar cane, dichlorvos and cantharidin are blended with soil; afterwards, an obtained mixture is applied between lines of the sugar cane. The mass ratio of the dichlorvos to the cantharidin is (2 to 1) to 1; the total application amount is 5g/mu to 10g/mu. The method has favorable prevention and treatment effects on the plant hopper; the prevention and the treatment of the plant hopper of the sugar cane are carried out by adopting a fumigation method; the pesticide poisoning problem brought by spraying operation can be avoided. 本发明公开种熏杀甘蔗飞虱的方法，在甘蔗飞虱发生期，将敌敌畏和斑蝥素拌土后，施于甘蔗行间。所述敌敌畏和斑蝥素的质量比为2～1：1，总施用量为5～10g/亩。本发明对飞虱具有良好的防治效果，采用熏杀法进行甘蔗飞虱防治，可以避免喷雾操作带来的农药中毒问题。