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Abstract ▼ AI-Helper

Trials to find a method for overcoming the depletion of Tricholoma matsutake mycorrhiza from the artificially inoculated pine seedling (Pinus densiflora) when it is transplanted in situ were carried out. The culturing jars containing mycorrhizal seedlings were punched at the bottom to make the jar l...

Trials to find a method for overcoming the depletion of Tricholoma matsutake mycorrhiza from the artificially inoculated pine seedling (Pinus densiflora) when it is transplanted in situ were carried out. The culturing jars containing mycorrhizal seedlings were punched at the bottom to make the jar like a pot with keeping the soil structure of the original medium in vitro, and 8 kinds of irrigation solution were applied. Irrigation of distilled water caused disappearance of T. matsutake mycorrhizae, but biweekly irrigation of 2.5% PDMP (24 g potato dextrose broth, 3 g malt extract, 1 g peptone) solution or 0.5% Tween 80 solution until 3 months of acclimation could keep mycorrhizal association stronger. The percentage of mycorrhizal roots out of total length of roots was increased during the acclimation, and the acclimation rate reached up to 70%. Thus, we recommend that the mycorrhizal pine seedlings inoculated with T. matsutake would be acclimated before transplanting into the field.

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