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本文用溴氰菊酯、氯氰菊酯、石膏粉、滑石粉加水搅拌,制成4‰、10‰、16‰三种浓度的复方灭臭虫药块。采用划线法进行触杀试验,强迫臭虫接触药物5分钟后定期观察,全部击倒时间为3—40分钟;全部死亡时间为1—4小时;持效时间为3—5个月;接触药物线最低有效次数为3—5次;无熏杀作用。现场试验选择1007张床铺,一次施药后,观察5—12个月,杀虫率达100％。具有强大触杀作用,用量少,效果好,使用简便,对人畜安全,适用于室内杀虫。
In this paper, deltamethrin, cypermethrin, gypsum powder, talc and water mixing, made of 4 ‰, 10 ‰, 16 ‰ three concentrations of compound insecticide block. Touch-and-kill method was used to force the bugs to observe the drugs for 5 minutes. The knock-out time was 3 to 40 minutes, the total time to death was 1 to 4 hours, the duration of the drug was 3 to 5 months, The minimum effective number of 3-5 times; no smoked effect. 1007 beds were selected in the field test. After one application, the rate of insecticide was 100% observed for 5-12 months. Has a strong contact action, with less dosage, good effect, easy to use, safe for humans and animals, suitable for indoor insecticide.