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ISSN : 1738-0294(Print)
ISSN : 2288-8853(Online)
Journal of Mushrooms Vol.21 No.3 pp.154-159

Characteristics of newly bred spore-less cultivar Lentinula edodes ‘Daedam’ for sawdust cultivation

Jeong-Han Kim1,*, Young-Ju Kang1, Chae-Young Lee1, Yeon-Jin Kim1, Jun-Yeong Choi1, Chan-Jung Lee2, Tai-Moon Ha1, Gab-June Lim1
1Organic Microorganism Research Center, Gyeonggi-do Agricultural Research & Extension Services Gyeonggi Gwangju, 12805, Korea
2Mushroom Research Division, National Institute of Horticultural & Herbal Science, RDA Chungbuk Eumseong 27709, Korea


A new spore-less cultivar Lentinula edodes ‘Daedam’ was bred from monokaryotic strains of ‘LE15401-24’ and ‘LE192118-10’. The optimum temperature for mycelial growth of ‘Daedam’ on potato dextrose agar was 22~25oC. Total cultivation period of the new cultivar, from inoculation to its first harvest, was 134 days, similar to that of the control cultivar ‘Hwadam’. Total yield of ‘Daedam’ was 222g per 3kg substrate, and was lower than that of control cultivar(266.0g). The fruiting body of ‘Daedam’ had a thick and small pileus and a longer stem compare to control cultivar. As a result of a analyzing the productivity of ‘Daedam’ on the different substrate types, the biological efficiency was 26.7% in the 1.2kg cylindrical substrate(CS), which was higher than that of the 3kg rod-type substrate(RS). 'Daedam' had a similar yield compared to 'Hanacham' in first fruiting body production, but the cultivation period was 40 days shorter. Therefore, 'Daedam' can only harvest fruiting bodies once, it is thought that it can be used as spore-less oak mushroom cultivar for short-term cultivation instead of 'Hanacham' in mushroom farms.