STREPTOMYCES MICROFLAVUS STRAINS AND METHODS OF THEIR USE TO CONTROL PLANT DISEASES AND PESTS

摘要

The present invention relates to novel strains of Streptomyces microflavus and methods of their use for controlling diseases or pests of a plant. The invention also relates to a fermentation broth obtained by cultivating a gougerotin producing Streptomyces strain, wherein the fermentation broth contains at least about 2 g/L gougerotin. The invention also relates to a method of producing a fermentation broth of a gougerotin producing Streptomyces strain, wherein the fermentation broth contains at least about 2 g/L gougerotin, the method comprising cultivating the Streptomyces strain in a culture medium containing a digestible carbon source and a digestible nitrogen source under aerobic conditions.