李振亚,王合中,安世恒,尹新明

• 1:河南农业大学植物保护学院/小麦玉米作物学国家重点实验室
• 2:信阳农林学院

摘要(Abstract)：

为明确纳米几丁质水悬浮液对麦蚜的防治效果,采用浸虫法测定了不同质量浓度纳米几丁质水悬浮液对3种麦蚜的毒力,采用连续浸液法测定纳米几丁质水悬液、纳米几丁质水悬液与10%吡虫啉WP3000倍液等体积混配液对3种麦蚜的杀虫效果。结果表明,纳米几丁质水悬浮液对麦长管蚜、麦二叉蚜和禾谷缢管蚜的LC50值分别为17.825、20.589、14.381 mg·L~(-1);40 mg·L~(-1)水悬浮液及混配液对3种麦蚜的48 h的杀虫效果分别为80.33%、80.33%、81.67%及96.72%、98.36%、96.67%;田间防效结果表明,纳米几丁质水悬浮液和混配制剂对防治麦蚜具有良好的速效性和持效性。由此推断,纳米几丁质水悬浮液和混合制剂可作为杀虫剂或辅助剂用于麦蚜防治。

关键词(KeyWords)： 纳米几丁质;麦蚜;毒力测定;防治效果

Abstract:

Keywords:

基金项目(Foundation): 河南省农业科技创新项目(30600309);; 河南省科技转化项目(142201110027)

作者(Author): 李振亚,王合中,安世恒,尹新明

DOI: 10.16445/j.cnki.1000-2340.2016.05.010

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