Epichlo? festucae var. lolii endophyte affects host response to fungal disease progression in perennial ryegrass (Lolium perenne)

正Dear Editor,Perennial ryegrass (Lolium perenne) is a globally important forage and turf grass species that commonly forms symbiotic associations with the asexual fungal endophyte—Epichlo? festucae var. lolii. Epichlo? endophytes mutualistically interact with host plants by providing major fitness enhancements and protection from both biotic and abiotic stresses