采用注射法给果树打针防治害虫，具有防治效果好、成本低、不伤害天敌，对环境无污染等优点。其主要技术要点是：一、药剂选择应选择内吸性强的药物，以利果树吸收传导而迅速起到杀虫作用。一般内吸性越强，对害虫的防治效果越好。对蚜虫、红蜘蛛、锈壁虱、粉虱等发生世代多的 Injecting the fruit tree injection needle control Pest, with good control effect, low cost, do not hurt natural enemies, the environment without pollution and so on. The main technical points are: First, drug selection should choose strong absorption of drugs to facilitate the absorption and conduction of fruit trees and quickly play a pesticide role. Aspiration in general the stronger the better control of pests. Aphids, spider mites, rust ticks, whiteflies and other occurrences more than a generation