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花卉的病虫害防治,应贯彻“预防为主,综合防治”的原则,以园艺防治为基础,加强人工防治,充分发挥天敌的控制作用,结合进行化学防治,对病虫害进行综合治理。预防为主的途径主要有以下三个方面: 1.消灭病虫来源或压低病虫发生基数。例如植物检疫就是为了防止危险性病、虫等随同种子、苗木传播蔓延所采用的一种有效措施。压低病虫发生基数,是指减少越冬的病菌、害虫数量。 2.恶化病虫发生、危害的环境条件,就是创造或者充分利
The prevention and control of pests and diseases of flowers and flowers should be implemented in accordance with the principle of “prevention first, comprehensive prevention and control”. Based on the prevention and control of horticulture, artificial prevention and control should be strengthened to give full play to the control of natural enemies. Combined with chemical prevention and control, pests and diseases should be comprehensively managed. The main ways to prevent the following three aspects: 1. To eliminate the source of pests or reduce the occurrence of pests and diseases base. For example, phytosanitary is to prevent dangerous diseases, insects and other seeds along with the spread of seedlings used by an effective measure. Decreasing the occurrence of pests and diseases, is to reduce the number of wintering bacteria, pests. 2. deterioration of pests and diseases, endanger the environmental conditions, is to create or fully profitable