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苏云金杆菌BT—8010属细菌性农药,对棉铃虫有专一性特效,害虫食入此药后,30分钟停止取食,12—24小时因患败血症而死亡。本品对人、畜、植物完全无毒,不污染环境,不产生抗药性,是当今世界最受欢迎的新型农药。 用BT—8010防治棉铃虫必须掌握以下技术: 一、用药时机:由于BT—8010的使用效果是杀虫不见虫。6月25日、7月25日、8月底左右分别是二、三、四代棉铃虫产卵高峰(一代棉铃虫发生在麦地里,二、三、四代主要危害棉花)。二代棉铃虫卵主要产在上部叶片、嫩尖、1—3个果枝、叶片的正反面和花蕾上,叶背面也有,以后两代大部分产在上部群尖的嫩叶和
Bacillus thuringiensis BT-8010 is a bacterial pesticide, a specific effect on the cotton bollworm pests eat this medicine, 30 minutes to stop feeding, 12-24 hours died of sepsis. This product is completely non-toxic to humans, livestock and plants, does not pollute the environment, does not produce resistance, is the world’s most popular new pesticide. With BT-8010 control cotton bollworm must master the following technologies: First, medication timing: As BT-8010 use effect insecticidal insects. June 25, July 25 and the end of August are the second, third and fourth generations of cotton bollworm spawning peak (one generation of cotton bollworm in the corn, two, three, four major hazards cotton). The second generation of cotton bollworm eggs are mainly produced in the upper leaves, tender tip, 1-3 fruiting branches, the front and back of the leaves and buds, the back of the leaves also have most of the next two generations in the upper tip of sharp leaves and