In vitro ectomycorrhization of Tricholoma matsutake strains is differentially affected by soil type

Chika Saito; Wakana Ogawa; Hisayasu Kobayashi; Takashi Yamanaka; Masaki Fukuda; Akiyoshi Yamada

doi:10.1016/j.myc.2017.09.002

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In vitro ectomycorrhization of Tricholoma matsutake strains is differentially affected by soil type

Chika Saito, Wakana Ogawa, Hisayasu Kobayashi, Takashi Yamanaka, Masaki Fukuda, Akiyoshi Yamada

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Keywords: Ectomycorrhizal symbiosis, Fungal strain selection, Non-timber forest resources, Soil-fungus interaction, Wild edible mushroom

JOURNAL OPEN ACCESS

2017 Volume 59 Issue 1 Pages 89-97

DOI https://doi.org/10.1016/j.myc.2017.09.002

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Abstract

The Japanese delicacy Tricholoma matsutake has been conducted in vitro ectomycorrhizal syntheses for more than 20 y. The development of its ectomycorrhizal structures varies among experimental systems. Here, we examined the effects of soil-fungus interactions on the early stage of in vitro T. matsutake ectomycorrhization. Axenic Pinus densiflora seedlings were transplanted into autoclaved natural inorganic soil, inoculated with the cultured mycelium of T. matsutake, and incubated for 90 d in vitro. Both soil type and fungal strain significantly affected host plant growth; host plant growth and mycorrhization levels significantly differed among soil type/fungal strain combinations. Therefore, the selection of T. matsutake strains for optimal mycorrhization must take into account such fungal and soil properties.

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