The study was conducted to determine the mycelial performance of the four varieties of Mushroom using sorghum grains as sterile media at the Mushroom Research Center (MRC), College of Agriculture, Mindanao State University, Marawi City. In particular, the study aimed to evaluate the length of mycelia, width of mycelia, and its Return on Investments (ROI). Completely Randomized Design (CRD) was used with four (4) treatments replicated three times. Treatments were (T1) Pleurotus florida, (T2) Pleurotus ostreatus, (T3) Ganoderma lucidum, (T4) Calocybe indica. Results of the study showed that spawn production revealed non-significant differences in terms of length and width of mycelia. In terms of its return on investment (ROI), lower ROI was recorded in C. indica.

Keywords : Mushroom, sorghum, mycelia, spawn production, return on investment (ROI), Pleurotus florida, Pleurotus ostreatus, Ganoderma lucidum, Calocybe indica.