The effects of biological control using
Aspergillus melleus YUKAWA IAM2064 were investigated with a view to protecting pine trees from serious wilt disease. To observe the effects of the mycelium on control of the pine wilt desease in the natural world, a mycelium preparation was inoculated around the roots of pine trees in a golf links. Ninety-eight percent of the pine trees survived for two years after the mycelium inoculation, while the survival rate of untreated pine trees was 90%.
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