In a field experiment, Aspergillus versicolor lm6-50 could reduce the development of powdery scab (Spongospora subterranea) on newly formed tubers. Possibly this will lead to a biocontrol agent that can manage this very persistent disease.
Takayama in Journal of General Plant Pathology, https://doi.org/10.1007/s10327-017-0716-9, open access