Mycorrhizal association of isolates from sporocarps and ectomycorrhizas with Pinus densiflora seedlings

Thirty-two isolates from sporocarps of 27 species of macromycetes, 43 isolates from ectomycorrhizas of Pinus densiflora (Japanese red pine) and 1 isolate from an ectomycorrhiza of Quercus myrsinaefolia were tested for the ability to form mycorrhizas with P. densiflora seedlings in glass tubes. Ten isolates from sporocarps of Hebeloma sp., Laccaria bicolor, Lactarius chrysorrheus, Suillus granulatus, Scleroderma areolatum, Russula mariae and R. nigricans had formed ectomycorrhizas by 8 months after transplantation. Twenty isolates taken from mycorrhizas including of Cenococcum geophilum, R. mariae and R. nigricans formed ectomycorrhizas. The synthesized mycorrhizas were classified based on morphological characteristics such as hyphal arrangement of their fungal sheath, and appearance of cystidia and emanating hyphae. Twenty-one mycorrhizal types were recognized.

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