海藻多糖稀土配合物对蔬菜有机磷农药残留的降解作用

被引：11

作者：

陈振德 ^{[1
]}

汪东风 ^{[2
]}

王文娇 ^{[1
]}

陈元林 ^{[1
]}

张清智 ^{[1
]}

刘红玉 ^{[1
]}

陈建美 ^{[1
]}

机构：

[1] 青岛市农业科学研究院

[2] 中国海洋大学食品科学与工程学院

来源：

生态毒理学报 | 2008年 / 02期

关键词：

海藻多糖稀土配合物; 有机磷农药; 农药降解; 蔬菜;

D O I：

暂无

中图分类号：

X592 [农用化学物质、有毒化学物质污染及其防治];

学科分类号：

082803 ;

摘要：

以小白菜、甘蓝、芹菜为试验材料,采用大田试验研究了海藻多糖稀土配合物对蔬菜中有机磷农药残留的影响.试验结果表明,叶面喷施海藻多糖稀土配合物对小白菜、甘蓝、芹菜中毒死蜱、氧化乐果、敌敌畏等有机磷农药残留具有明显的降解作用;对甘蓝中毒死蜱和氧化乐果的降解效果优于小白菜,但对芹菜中毒死蜱的降解效果远不及甘蓝和小白菜,表现出一定的作物选择性.叶面喷施海藻多糖稀土配合物对敌敌畏等磷酸酯类有机磷农药的降解作用比毒死蜱、氧化乐果等硫代磷酸酯类有机磷农药的降解强烈,表现出一定的农药选择性;另外,喷水对叶片表面残存农药具有一定的冲洗作用,可减少叶面农药的残留量;叶面喷施海藻多糖稀土配合物对甘蓝和小白菜中有机磷农药的降解率远高于叶面喷水.以上结果表明海藻多糖稀土配合物确实具有降解有机磷农药残留的作用.在蔬菜生产中将海藻多糖稀土配合物作为农药残留降解制剂是可行的,有利于蔬菜安全生产和提高蔬菜产品的食用安全性。

引用

页码：183 / 188

页数：6

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