果树打孔治虫是一项简单易行,效果好的方法。可用钻等工具在树干距地面25～30厘米以下,向下倾斜45度左右,四周打4～8个孔(视树干粗细而定),然后用滴管将药液缓缓注入孔内即可。一般注药后4～5 Drilling fruit pest is a simple and effective method. Available tools such as drilling in the trunk from the ground 25 to 30 cm below the tilt about 45 degrees down, around playing 4-8 holes (depending on the thickness of the trunk may be), and then use a dropper to slowly inject liquid medicine into the hole . After the general injection of 4 to 5