近年来，随着种植业结构的不断调整，蔬菜种植面积自９０年代中期以来，一直呈逐年递增的趋势。蔬菜面积的增加，品种的大量引进，栽培方式的多样化，也导致了我市蔬菜病虫害种类的多样化、发生规律的复杂化，再加上农户对蔬菜病虫害防治知识的缺乏，滥用药，尤其是高毒、剧毒 In recent years, with the continuous adjustment of planting structure, the vegetable planting area has been increasing year by year since the mid-1990s. The increase of vegetable area, the introduction of a large number of cultivars and the diversification of cultivated patterns have also led to the diversification of laws and regulations in vegetable diseases and insect pests in our city, coupled with the lack of farmers’ knowledge of pest control of vegetables and drug abuse, especially Is highly toxic, highly toxic