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病虫害防治是生产无公害蔬菜的关键环节,应以农业防治为基础,生态防治、生物防治和物理防治为主,化学防治为辅,实行综合防治。一、农业防治1.选用抗病品种。选择适合当地种植的抗逆性强、抗耐病虫害、高产优质的优良品种,是防治蔬菜病虫危害的重要措施之一。2.清园。一是在蔬菜收获后和种植前彻底清除田间遗留的残枝、败叶、根茬及杂草等,集中深埋或烧毁。二是在蔬菜生长过程中,及时铲除杂草并摘除病虫危害的叶片、果实;或全株拔除,
Pest and disease control is the key link in the production of pollution-free vegetables. It should be based on agricultural control, ecological control, biological control and physical control, supplemented by chemical control, and implement comprehensive prevention and control. First, the prevention and treatment of agriculture 1. Selection of resistant varieties. It is one of the most important measures to prevent and control the pests and diseases of vegetables by selecting the good varieties with strong stress resistance, resistance to pests and diseases and high yield and good quality suitable for local planting. 2. Qingyuan. First, after the harvest of vegetables and planting before the removal of residual leaves, leaves, roots and weeds, concentrated in the deep or burned. Second, in the process of vegetable growth, the timely removal of weeds and pests and diseases removed leaves, fruits; or removal of the whole plant,