ISOLATION AND IDENTIFICATION OF A PATHOGEN OF GRASSHOPPERS
一株蝗虫病原菌的分离和鉴定

A pathogen Was isolated from natural dead pests of Ceracris kiangsu in Geleshan farm of Chongqin. Its pathogenecity was comfirmed by the law of KOCK. It was identified as Pseudomonas pseudoalcaligenes according to its physiological and biochemical properties as well as the G C content of DNA (63. 73mol%). The results of preliminary bioassay show that the pathogen can infect the grasshoppers and Ceracris kiangsu , and also can infect other pests of grassland in a certain extent.