To develop mushroom varieties for cultivating at low temperature on oak logs, a strain with a low fruiting body generation temperature was crossed with Di-mon to select for a line with excellent properties. Selection was followed by cultivation testing. From these studies, Heunghwa 1ho was identified. The optimum temperature for cultivating Heunghwa 1ho, was 13.3oC. The fruiting temperature range was 6.4~20.2oC, identical to that of the parent strain. Growth at 25oC for 7 days achieved optimal mycelial growth of 61.9±2.10 mm, superior to growth of the parent strain at this temperature. The cap shape of Heunghwa 1ho was convex, cap diameter was 57.8±8.31 mm, and cap color was brown. Heunghwa 1ho showed similar genetic traits to those of the parental strain. However, dry weight (20.1 kg/m3) and cap diameter and color are superior to those of the parent strain. The 3 year fresh oak mushroom yield was 113.8 kg/m3, superior to the respective yields of the parent strains JMI 10047 and JMI 90021 (92.5 kg/m3 and 66.4 kg/m3).

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REFERENCES

• 장은경(장흥군버섯산업연구원) | Eun-Kyoung Jang (Jangheung Research Institute for Mushroom industry, Jangheung 59338, Korea)
• 제선정(장흥군버섯산업연구원) | Seon-Jeong Je (Jangheung Research Institute for Mushroom industry, Jangheung 59338, Korea)
• 장혜미(장흥군버섯산업연구원) | Hye-Mi Jang (Jangheung Research Institute for Mushroom industry, Jangheung 59338, Korea)
• 반승언(장흥군버섯산업연구원) | Seung-Eon Ban (Jangheung Research Institute for Mushroom industry, Jangheung 59338, Korea) Corresponding Author