蔬菜生长期一般都比较短,多数以绿色的茎叶或新鲜的瓜果为食用部分.因此,使用农药防治蔬菜病虫害时,要特别注意农药的毒性和残留量.在大田作物上应用的剧毒、长效农药,如甲拌磷、内吸磷、对硫磷、久效磷、甲胺磷、呋喃丹等,严禁用于蔬菜上,因为这些农药喷到蔬菜上短时间内残效不消 Vegetables are generally relatively short growing period, most of the green stems and leaves or fresh melons for the edible part of the Therefore, the use of pesticides to control pests and diseases of vegetables, pay special attention to the toxicity of pesticides and residues in the fields of crop toxicity , Long-acting pesticides, such as phorate, internal absorption of phosphorus, parathion, monocrotophos, methamidophos, carbofuran, etc., is strictly prohibited on vegetables, because these pesticides sprayed vegetables on the short period of residual effect