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

Author:
Saito, Chika, Ogawa, Wakana, Kobayashi, Hisayasu, Yamanaka, Takashi, Fukuda, Masaki, Yamada, Akiyoshi
Source:
Mycoscience 2018 v.59 no.1 pp. 89-97
ISSN:
1340-3540
Subject:
Pinus densiflora, Tricholoma matsutake, autoclaving, ectomycorrhizae, fungi, host plants, mycelium, plant growth, seedlings, soil properties, soil types
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.
Agid:
5844998