论文部分内容阅读
吊针输液法从春季树液流动至冬季树木休眠前均可进行。在树干上吊挂装有药液的药瓶,用棉绳或棉芯把瓶中药液通过输导的办法引注到树干上已钻好的小洞中,让药液经树干的导管输送到枝叶,从而达到防治病虫的目的。实践证明,此法比喷药法省工、省药、安全高效,可有效防治蚜虫、红蜘蛛、介壳虫、天牛、锈壁虱、吉丁虫和褐斑病、炭疽病、烟煤病等树木病虫害。采用这一方法要注意以下三点:①不能使用树木敏感的农药,以免造成药害;②瓶中药液根据需要随时进行增补,达到防治目标时应撤除药具;#在果实采收前40～50天停止用药,避免有害残留。
Hanging needle infusion method from the spring flow of trees to winter trees before dormancy can be carried out. Hang the medicine bottle with the medicine liquid on the tree trunk. Use the cotton rope or the cotton core to guide the medicine liquid in the bottle to the drilled hole in the tree trunk by the guide way so that the medicine liquid can be delivered to the trunk pipe Foliage, so as to achieve the purpose of pest control. Practice has proved that this method than spraying method provincial workers, provincial medicine, safe and efficient, can effectively control aphids, spider mites, scale insects, pests, rust ticks, jingles and brown spot, anthracnose, bituminous diseases Trees and pests. Use this method should pay attention to the following three points: ① can not use tree-sensitive pesticides, so as to avoid injury; ② bottle of liquid at any time according to the need to supplement, to reach the prevention and control targets should be removed when the drug; # 40 ~ 50 days to stop medication, to avoid harmful residues.