Supported by 863 Project (2009AA032904 );Scientific ResearchStarting-up Project for Young Teachers in Changshu Institute oTechnology;" Hundreds of Entrepreneurs into Campus" Project inChangshu Institute of Technology~~
[Objective] Strain Biok Av-023 used as the control was employed on screening of high-avermectin yield mutants by rational screening.[Method] With Biok Av-023 as the original strain,the positive mutation strain was fir...