The present invention relates to a method for promoting or improving plant health and/or plant growth of agricultural plants wherein the plants, the plant propagules, the seed of the plants and/or the locus where the plants are growing or are intended to grow are treated with an effective amount of a composition comprising the fungus Purpureocillium lilacinum or spores thereof. Further aspects of the invention relate to uses of a composition comprising the fungus Purpureocillium lilacinum or spores thereof for promoting or improving plant health and/or plant growth.
