应用毒针防治荔枝龟背天牛幼虫荔枝龟背天牛是为害荔枝最严重的钻蛀害虫，至今仍有不少农民沿用铁丝钩杀、用刀削枝控虫或整枝锯掉来解决天牛的为害，不但费工且伤害了枝条，影响产量。应用天牛毒针可有效防治天牛。方法是用磷化锌、氧化剂及粘合剂混合，粘附在６厘米长的... Application of poison needle prevention and cure Lychee turtle Beetle larvae Lychee turtle beetle is the most serious litchi damage drilling insects pests, there are still many farmers along the wire hook to kill, cut with a knife cuttings or pruning saw to solve the problem The damage, not only work and hurt the branches, affecting production. Application Tianma poison needle can effectively control the day cow. The method is to use zinc phosphide, oxidant and binder mixed, adhering to 6 cm long ...