十四种农药防治水稻三大害虫的药效分析

• 作 者: 黎勇 张明华
• 出 处: 植物保护
• 发表日期: 1983年06期
• 关键词: 稻纵卷叶螟 稻飞虱 三大 害虫 农药品种 常用农药 试验方法 农药防治 有机氯 残毒

二化螟、稻纵卷叶螟、稻飞虱是目前水稻上的三大主要害虫。为了筛选高效、低毒、低残毒农药品种,以取代有机氯。我们于1981—1982年进行了三次药剂防治试验,现将结果分析如下: 一、试验方法 供试药剂为近年推广的新品种和常用农药甲较好的共14种。分别在两螟幼虫二龄高峰期、飞虱若虫高峰期

Chilo suppressalis, rice leaf roller, rice planthopper is currently the three major pests on rice. In order to screen efficient, low toxicity, low residual pesticide varieties to replace organic chlorine. We conducted three pharmaceutical control trials in 1981-1982, the results are as follows: First, the test method for the test agent for the promotion of new varieties in recent years and commonly used pesticide A good total of 14 species. Respectively in the second instar larvae of the larvae of the two peak, nymphs during the peak