Pesticide residues in vegetables in Mianyang City in 2012

[Objective]To investigate the conditions of pesticide residues in vegetables in Mianyang City,and provide evidence for edible vegetables supervision.[Methods]The method of GB / T 5009-2003 was applied to determine the contents of pesticide in samples selected,the results were evaluated according to GB 2763-2005 Maximum residue limits for pesticides in food .[Results]A total of 165 vegetable samples were detected in 2012,the detection rate and the unqualified rate were 72.12% and 23.64%.The unqualified rate of leguminous,root-steam,leaf,melon vegetables and edible fungi vegetables was 8.00%,23.53%,36.00%,5.26% and 27.03%,respectively,with significant difference(χ2= 11.41,P 0.01).There was no difference between pesticide residues in summer and winter(χ2= 3.44,P 0.05).[Conclusion]In Mianyang City,pesticide residues are relatively serious in the leaf vegetables.It is necessary to adopt effective measures to enhance the inspection and administration,to ban the use of highly toxic pesticides from the source,to strengthen monitoring of vegetable cultivation and marketing chain sas as to ensure the safety of the public consumption of vegetables