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杀虫双是我国开发的一种沙蚕毒素系列仿生新农药。具有内吸传导、触杀和胃毒作用,兼有一定的熏蒸和杀卵作用;易被植物根叶吸收。对人畜低毒、残留量低,对环境污染小,对天敌安全,对水稻略有增产作用。目前常用剂型有25％水剂和2.5％大粒剂。 1.杀虫双是一种神经性毒剂,害虫中毒后,即失去侵害作物的能力,最后拒食,虫体软化瘫痪,直至死亡。 2.杀虫双用于防治水稻二化螟、三化螟、纵卷叶螟、稻苞虫等效果显著,每亩用25毫升或50毫升,在二化螟和纵卷叶螟、稻包虫卵孵化高峰期施药,其效果分别达到85％和95％以上。药效发挥较慢,一般要掌握害虫发生始盛期用药为宜。
Insecticidal double is developed in China, a nereistoxin series of new bionic pesticides. With internal absorption conduction, contact and stomach poisoning, both fumigation and kill eggs; easily absorbed by plant roots and leaves. Low toxicity to humans and animals, low residue, small environmental pollution, natural enemies of safety, a slight increase in yield of rice. At present, 25% of the commonly used dosage forms and 2.5% of large granules. 1. Insecticidal double is a nerve agent, pest poisoning, that is, loss of ability to infringe on crops, the last antifeedant, parasites softened paralyzed until death. 2. Pest insects double for the control of rice stem borer, Borer, Cnaphalocrocis medinalis, rice shell insects and other significant results, with 25 ml per acre or 50 ml, in the rice stem borer and leafroller, rice bag Egg hatching peak application, the effect reached 85% and 95% respectively. Efficacy to play more slowly, the general should grasp the beginning of pest occurrence medication is appropriate.