关键词: 苏云金杆菌以色列变种, 球形芽孢杆菌, 漂浮块剂

Abstract: Three kinds of lotus type floating granules(B.t.s -187、B.t.s-Bactimos and B.s C_3-41)were tested against An.sinensis and Cx.quinquefasciatus larvae in the field.Laboratory tests showed that LD₅₀ was 0.4087μg/ml for B.t.s-187 granule, 0.9344μg/ml for B.t.s-Bactimos granule and 0.0599μg/ml for B.s C_{3-41 granule.0.81g/m² of B.t.s-187 and bactimos floating granule against An.sinensis larvae were used in field trial,24h after treatment,the reduction rates were both 100%. The persistences were 11 and 8 days,respectively.0.68g/m² of B.t.s-187 and B.s C3-41 floating granule against Cx.quinquefasciatus larvae was used in field trial,24h after treatment,the reduction rates were 100% and 99.1%, respectively.The persistences were 9 and 8 days, respectively.}