The application discloses
endophytic fungus YT15-1 of
Genus Xylaria and application thereof, and belongs to the technical field of microorganisms. Sarocladium strictum The
endophytic fungus YT15-1 of
Genus Xylaria is isolated from the
root system of
Sonchus arvensis L., is classified and named as YT15-1, is preserved in the China Center for Type Culture Collection, and has a preservation number of CCTCC NO: M 20252189. The
endophytic fungus YT15-1 can colonize the
root system of rice by being co-cultured with the rice, and can effectively enhance the salt
stress resistance of the rice
seedling stage. Under the condition of high salt stress, compared with a control group, the stem and leaf height,
root length and stem and leaf
fresh weight of the strain treatment group of the endophytic
fungus YT15-1 are increased by 75.54%, 214.71% and 52.63% respectively.