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在植物病虫害防治中化学药剂防治一直占主导地位。然而在花木生产和绿地养护工作中对农药的使用还不够科学、有效。就目前情况看,使用农药基本概念有两种:一是定期全面喷药;二是按发现病虫害—鉴定是哪一种—确定用什么药的模式。全面定期喷药如果间隔时间长不能有效防治,高频率定期喷药有效但浪费;采用发现—鉴定—防治的模式,普通园林工人难以做到
Chemical control in the control of plant diseases and insect pests has been dominant. However, the use of pesticides in the production of flowers and trees and the maintenance of green areas is not yet scientific and effective. The current situation, the use of pesticides, there are two basic concepts: First, regular full-spraying; Second, according to the discovery of pests and diseases - to identify what kind - to determine what kind of medicine mode. Regular long-term spraying can not effectively prevent and control long time intervals, but high frequency regular spraying is effective but wasted; it is difficult for ordinary garden workers to use the pattern of discovery-identification-prevention