杀虫双是我国开发的沙蚕毒素系杀虫剂,是取代六六六的重要品种之一,年产量已达4～5万吨。为了用好杀虫双,我们曾研究其不同喷雾方式对稻纵卷叶螟的药效和杀虫双水剂湿展性能的测定及改善措施(详见《农药》1984年第1期和1985年第5期),最近又进行了杀虫双不同剂型、不同施药方式对水稻三化螟的药效和稻谷中残留试验,现将结果报导如下。 Insecticidal double Neisseria toxins insecticide developed in China is one of the important varieties to replace the 666, the annual output has reached 40,000 to 50,000 tons. In order to make good use of insecticidal double, we have studied its different spraying methods on the rice leaf roller and the pesticide drench wet-spreading performance measurement and improvement measures (see “Pesticides” 1984 the first period and 1985 Year No. 5), recently conducted a different insecticide double dosage forms, different application methods on the efficacy of rice stem borer and rice residues in the test, the results reported below.