壳聚糖对菠菜中毒死蜱和乐果的降解作用Effects of Spraying Chitosan on Degradation of Chlorpyrifos and Dimethoate Residues in Spinach
曹委;陈振德;
摘要(Abstract)：
在露地栽培条件下,研究了叶面喷施壳聚糖水溶液对菠菜中毒死蜱和乐果的降解作用.结果表明,叶面喷施不同浓度的壳聚糖(50、100、200、400mg·L-1)可有效降低菠菜中毒死蜱和乐果残留量,其中较低浓度壳聚糖能更有效地降低菠菜中毒死蜱、乐果的残留量.50mg·L-1壳聚糖使菠菜中毒死蜱残留量较对照降低40.2%,安全间隔期缩短2.07d;100mg·L-1壳聚糖使菠菜中乐果残留量较对照降低46.9%,安全间隔期缩短0.5d.壳聚糖作为一种有机磷农药降解剂应用于蔬菜生产是可行的.
关键词(KeyWords)： 壳聚糖;毒死蜱;乐果;农药残留降解;菠菜
基金项目(Foundation): 青岛市自然科学基金课题(No.07-2-3-4-jch)
作者(Author): 曹委;陈振德;
Email:
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