论文部分内容阅读
棉铃虫是棉花的一大害虫,近几年由于连续使用菊酯类农药和有机磷农药防治,使其对这些农药的主要品种产生了高度抗药性。为了有效地防治棉铃虫危害,确保棉花优质高产,今年我们使用了硫丹、抑太保等5种农药进行了防治。现将其使用方法及其防效介绍如下。 药剂种类与使用方法 当棉田一代棉铃虫卵蜂后百株累计落卵
Cotton bollworm is a major pest of cotton and has been highly resistant to the major varieties of these pesticides in recent years due to the continuous use of pyrethroid pesticides and organophosphorus pesticides. In order to effectively prevent and control the harm of cotton bollworm and ensure high-quality and high-yield cotton, this year we used 5 kinds of pesticides such as endosulfan and pentobarbital for prevention and treatment. The use of methods and their effectiveness are described below. Pharmacy types and methods of use when the first generation of cotton bollworm eggs after a total of 100 eggs