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我国很多城市把园林绿化当做城市经营的一个重要环节,城市绿化取得了很大进展,城市环境质量得到明显提高,市民的环境也得到很大改观。但由于人们没有很好的遵循自然规律和生态环境的平衡关系,引进的外来植物导致了园林植物中有害生物的严重发生,造成了不可弥补的损失。防患于未然,应以“预防”为主,“治疗”为辅。
Many cities in our country regard landscaping as an important part of urban management. Great progress has been made in urban afforestation, the quality of urban environment has been significantly improved, and the environment of citizens has also been greatly improved. However, because people do not follow the balance between natural law and ecological environment, the introduction of exotic plants has led to the serious occurrence of pests in garden plants, resulting in irreparable losses. Take preventive measures, should be “prevention ” -based, “treatment ” supplemented.