A beneficial soil fungus could offer a bio-based approach to battling Phytophthora ramorum, a pathogen that kills oaks, other tree species, and woody ornamentals. BioWorks, Inc. of Victor, New York, is collaborating with Agricultural Research Service (ARS) plant pathologist Tim Widmer to commercially formulate the fungus, Trichoderma asperellum. The species is a mycoparasite, meaning it attacks and kills other fungi, including P. ramorum, a fungus-like …
