瓜类蔬菜农药残留分布的特点及原因分析

对滨州市瓜类蔬菜农药残留进行了检测,调查了瓜类蔬菜不同品种农药残留分布情况,并对其原因进行了分析。结果表明,共检测蔬菜样品280个,蔬菜样品检出90个;超标蔬菜样品检出7个;共检出农药11种,检出次数150次,检出最多的是氯氰菊酯,超标农药最多的是联苯菊酯,超标蔬菜全部为黄瓜,占总超标数的100%。主要原因是黄瓜保护地栽培面积较大,施用农药浓度过高,用药次数多,菜农忽视农药安全间隔期。

Analysis on Distribution Characteristics and Causes of Cucurbit Vegetable Pesticide Residues

The pesticide residues in cucurbit vegetable in Binzhou City were detected, the residue distribution was investigated, and the causes were analyzed. The results showed that, among 280 vegetable samples, 90 vegetable samples were examined that have pesticide residue. 7 vegetable samples exceeded the standard and 11 kinds of pesticide were examined out 150 times. The pesticide that was examined out the most frequently is cypermethrin. The pesticide that exceeded the standard mostly is Bifenthrin. All the vegetable that exceeded the standard is Cucumber and it is 100% of the number that exceeded the standard. The main causation is that the area of cucumber protected cultivation is very great , the pesticide applying consistency is high, applying pesticide is too frequent, vegetable farmers ignore the pesticide safe plastothrone.