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采用综合防治技术控制病虫危害是无公害蔬菜生产最关键的一个环节,要求既要把病虫的危害控制在允许的经济阈值以下,又要做到农药残留符合卫生标准。 1 农业防治 1．1 因地制宜选用优质高产、抗(耐)病虫品种蔬菜品种不同,其抗病能力、品质及产量和效益是不同的。因地制宜选用优质高产、抗(耐)病虫品种,是减少农药使用,降低农药残留污染的有效途径。同时要加强蔬菜种苗的引进检疫工作,避免和防止危险性病虫的传播蔓延。
The use of integrated prevention and control technology to control pests and diseases is the most crucial step in the production of pollution-free vegetables. It is necessary to control pests and diseases not only below the allowable economic threshold but also to meet the hygiene standards. 1 Agricultural Prevention and Treatment 1.1 Selection of High-quality, High-yielding and Anti-pest-resistant Varieties of Vegetables According to local conditions, the disease-resistant ability, quality, yield and benefits are different. It is an effective way to reduce the use of pesticides and reduce the pollution of pesticide residues because of the selection of high quality, high yield and resistant (resistant) pests and diseases according to local conditions. At the same time, we should step up the introduction and quarantine of vegetable seedlings to prevent and prevent the spread of dangerous pests and diseases.