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近几年,各地大力调整种植业结构,保护地和露地蔬菜栽培面积不断扩大,但在蔬菜病虫害防治中存在许多问题,现简述如下,并提出针对性的措施。1 对病虫害缺乏了解 因为蔬菜病虫害种类较多,尤其是保护地蔬菜,在高温高湿的特殊环境种类更多,多数农民对常见的十几种主要病虫害
In recent years, great efforts have been made to adjust the structure of planting industry in various places, and the area of cultivated vegetables in protected areas and open fields has been constantly expanding. However, there are many problems in the prevention and control of vegetable pests and diseases. The problems are summarized as follows and specific measures are put forward. A lack of understanding of pests and diseases Because of the large number of pests and diseases of vegetables, especially vegetables in the protected areas, special types of environment in the high temperature and humidity more, most farmers on the common dozens of major pests and diseases