果树打孔治虫是一项新技术,此法简单易行,效果好。可用钻等工具在树干距地面25—30厘米以下处,向下倾斜45左右,视树干粗细四周打4—8个孔,然后用滴管将药液缓缓注入孔内即可。一般注药后4—5天,害虫大量死亡,7天左右全部死亡。其伤口约2个月左右可愈合。(一)选用药剂。以内吸性强的农药为好,如40%乐果乳剂,40%氧化乐果,25%杀虫双水剂, Drilling fruit tree worm is a new technology, this method is simple, effective. Available tools such as drilling in the trunk below 25-30 cm from the ground, tilt down 45 or so, depending on the thickness of the trunk to play 4-8 holes around, and then use a dropper to slowly inject liquid into the hole can be. 4-5 days after the general injection, a large number of pests died, all died about 7 days. The wound about 2 months or so heal. (A) selection of pharmaceuticals. Strong absorption of pesticides as well, such as 40% dimethoate, 40% omethoate, 25% insecticide Shuangshui agent,