Some aspects of the pathogen of the pine wilt disease

Pine wilt disease was one of the disastrous pathogens of the pine forests.As a pathogen-dominated disease,the pathogen of pine wilt disease occupied a dominant situation in disease occurrence and development.This thesis was designed to provide a full description of the pathogen,pathogenic mechanism and epidemic of this disease.The pathogenic molecular mechanism of Bursaphelenchus xylophilus to the host plant was also discussed.