A precolonized plate method (Krauss et al., 1998) was used to assay the mycoparasitic ability of candidate fungi towards P. megakarya NKOM-00. Sterile filter paper discs (5-mm diameter, Whatman No. 1) were placed on top of the mycelium of fungal isolates that had been grown 5 days on PDA, and the fungal cultures were incubated for an additional 4 days. Filter paper disks, overgrown with hyphae of individual fungal isolates, were placed on top of mycelia of 10-day-old cultures of the pathogen on V8 agar. Growth of the fungal isolate on mycelia of the pathogen was observed daily following a 3-day incubation period at 25 °C. The following system was used to rate mycoparasitism: 3+, the entire culture of P. megakarya was colonized within 14 days; 2+, the entire culture of P. megakarya was colonized between 14 and 21 days; 1+, the entire culture of P. megakarya was colonized after 21 days; −, no growth on the P. megakarya NKOM-00 mycelia was observed. There were three replicate plates per isolate in each experiment and the experiment was performed twice.