论文部分内容阅读
40％叶胺磷乳油是贵阳黔农化工厂生产的一种新型复配农药,1990年6—8月进行防治水稻害虫的田间药效试验示范,现将结果简报如下: 一.供试材料与方法 1.供试药剂为40％叶胺磷乳油(贵阳黔农化工厂提供),每亩用量150克兑水60公斤喷雾以不喷为空白对照。试验在白泥镇和小河乡进行,示范在白泥镇环城村进行,面积100亩。 2.防治对象为稻飞虱,稻纵卷叶螟。用药时间为:稻飞虱一至三龄若虫高峰期7月6日施药,稻纵卷叶螟二、三龄幼虫高峰期6月
40% Phyllithium EC is a new compound pesticide produced in Guiyang Qiannong Chemical Plant. From June to August in 1990, it is a demonstration of field efficacy test to prevent and control rice pests. The results are summarized as follows: Method 1. The test agent is 40% phytophthora leaves (Guiyang Qian Agrochemistry provided), the amount of 150 grams per mu watered 60 kg spray to not spray as a blank control. The experiment was carried out in Baisha Town and Xiahe Township. The demonstration was carried out in Huacheng Village of Baisha Town with an area of 100 mu. 2. Control targets for planthoppers, rice leafroller. The treatment time is as follows: the first to the third instar nymphs of planthoppers are applied on the peak on July 6, the second and third instar larvae of the leaf roller are on the peak in June