Comparisons of Mycelial Growth of Oyster Mushroom (Pleurotus spp.) on Culture Media and Sorghum Grain Spawn in Relation to Yield from Commercial Spawn Sources in Thailand
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Abstract
Oyster mushroom (Pleurotus spp.) is widely cultivated for commercial purposes. However, genetic variation among strains from different production sources in Thailand leads to differences in yield performance. This study aimed to compare the mycelial growth and yield potential of oyster mushroom strains from 10 commercial sources in Thailand. Mycelial growth was evaluated on PDA medium, sorghum grain, and rubberwood sawdust substrate by recording colony diameter on PDA and sorghum grain, mycelial length on the substrate, mycelial dry weight, and mycelial density. Yield performance was assessed based on fresh mushroom weight and the number of fruiting bodies per cluster. The experiment was conducted using a completely randomized design (CRD), and means were compared using Duncan’s Multiple Range Test (DMRT). The results showed that strains from DOA and WTN MF-RYG exhibited the highest colony diameters on PDA (87.43 mm and 86.87 mm, respectively). On sorghum grain, the DOA strain showed the highest mycelial growth (96.77 mm). In terms of dry weight, strains from DOA, SP MF-CMI, SRY MF-LEI, and SHP-TAK were among the highest performers (10.02–5.99 g). Regarding yield, strains from DD MF-SKA, SP MF-CMI, SRY MF-LEI, SHP-TAK, WTN MF-RYG, NKP LM-NPT, PP MF-PCT, and CB MF-RBR produced high fresh weights (67.42–56.57 g) and a large number of fruiting bodies per cluster (19.67–9.33 mushrooms/cluster). Overall, the DOA strain demonstrated the best performance across all parameters. Additionally, strains from SHP-TAK, SRY MF-LEI, and SP MF-CMI exhibited rapid mycelial colonization on the substrate and good yield potential, making them suitable for commercial cultivation. These findings provide practical guidance for selecting and developing oyster mushroom strains that meet the specific needs of commercial producers.
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บทความ ข้อมูล เนื้อหา รูปภาพ ฯลฯ ที่ได้รับการเผยแพร่ในวารสารวิทยาศาสตร์และเทคโนโลยี มรย. นี้ ถือเป็นลิขสิทธิ์ของวารสารวิทยาศาสตร์และเทคโนโลยี มรย. หากบุคคลหรือหน่วยงานใดต้องการนำทั้งหมดหรือส่วนหนึ่งส่วนใดไปเผยแพร่ต่อหรือกระทำการใดๆ จะต้องได้รับอนุญาตเป็นลายลักษณ์อักษรจากวารสารวิทยาศาสตร์และเทคโนโลยี มรย. ก่อนเท่านั้น
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