Rate of growth inhibition of neonate larvae of Ostrinia furnacalis was 90.81%. It was increased by 46.5% in comparison with basic culture medium (TSB).

• 培养液上清液对玉米螟初孵幼虫的体重抑制率为90 81%25；比基础培养基的杀虫活性提高了46.；5%25。