Establishing the Selection Method for the Lentinula edodes Strains Resistant to Trichoderma spp.

概要

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Trichoderma inoculation tests for cultures of 89 different shiitake (Lentinula edodes) strains showed that the resistance of shiitake in a wood-powder medium correlated positively to that in 28-month-old bedlogs when T. harzianum was inoculated. Mycelial growth rate of shiitake in an agar medium or in the wood-powder medium also was correlated with the resistance of shiitake bedlogs, although the interaction in the agar medium appeared to be irrelevant. The amount of damage to shiitake caused by T. harzianum had a positive correlation with that by T. polysporum both in the wood-powder medium and in bedlogs. Strains having a high wood-rotting ability in bedlogs tended to have the ability to reject Trichoderma in the wood-powder medium. The inhibition rates of shiitake mycelial growth by trichopolyn proved not to correlate to the rate of damage by T. polysporum.
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