Plant diseases is one of the major hazards affect agricultural production yields,however,control of plant diseases caused overusing chemical pesticides,the environmental issues,as well as pesticide residues and resistance issues,botanical pesticides provide a good way to solve those problem.This paper studied on rapid high-throughput screening methods,26 plant extracts determined antibacterial activity by resazurin colorimetric – microdilution method.Better activity of plant extracts were measured further a...