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目的:了解周口市蔬菜中22种农药残留量状况。方法:2009年对市区各大农贸市场和超市进行随机抽样调查,采用气相色谱法对蔬菜中22种农药残留量进行测定。结果:采集样品486份,检出农药残留64份,检出率13.2%,超标7份,超标率1.44%,超标农药分别为氧化乐果、毒死蜱、三唑酮、三唑磷、甲氰菊酯。结论:周口市蔬菜中农药超标情况不严重,但是高毒农药残留比较多,需要采取措施来控制高毒农药在蔬菜中的残留。
Objective: To understand the situation of 22 kinds of pesticide residues in vegetables in Zhoukou City. Methods: In 2009, random sampling survey was conducted on major farmers’ markets and supermarkets in urban area, and 22 pesticide residues in vegetables were determined by gas chromatography. Results: 486 samples were collected, 64 pesticide residues were detected, the detection rate was 13.2%, 7 samples exceeded the standard, and the exceeding standard rate was 1.44%. Exceeding pesticides were omethoate, chlorpyrifos, triadimefon, triazophos, ester. Conclusion: The situation of excessive pesticide in vegetables in Zhoukou City is not serious, but the residues of highly toxic pesticides are more, and measures to control the residues of highly toxic pesticides in vegetables should be taken.