Presented is a protocol for a plate competition assay to identify whether a specific compost is likely to contain bacteria and fungi that suppress growth of Rhizoctonia solani.
Neher, D. A., Weicht, T. R. A Plate Competition Assay As a Quick Preliminary Assessment of Disease Suppression. J. Vis. Exp. (140), e58767, doi:10.3791/58767 (2018).