The potential formulation of Combo 2 is the wettable powder (0.1%) , including 23.89% SiO2-(H2O)n, 16% surfactant, 0.11% avermectin chemicals, and 50.0% B.t crude powder.

• 在上述基础上；通过载体和表面活性剂的筛选；研制出0.；1%25阿维·8000IU/mg苏云金杆菌可湿性粉剂；配方为:白炭黑(23