Journal
TREES-STRUCTURE AND FUNCTION
Volume 28, Issue 2, Pages 569-583Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00468-013-0973-y
Keywords
Colluvial soil; Ectomycorrhizal fungi; Nutrient physiology; Oak; Photosynthetic capacity; Water status
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Funding
- Ministry of Agriculture, Forestry and Fishery [1904]
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Seedlings of three Fagaceae species planted on acidic, infertile colluvial soil showed accelerated growth when inoculated with ectomycorrhizal fungi. We conducted a study with seedlings of Fagaceae species inoculated with ectomycorrhizal fungi to estimate their utility for growth in acidic soil conditions. We selected Quercus glauca, Quercus salicina and Castanopsis cuspidata as typical evergreen, broad-leaved, woody species of southwestern Japan. Seedlings were inoculated with Astraeus hygrometricus or Scleroderma citrinum, and planted in acidic, infertile colluvial soil collected from an abandoned site. Six months after planting, seedlings of the three species inoculated with A. hygrometricus were growing well, especially, Q. salicina. The growth of seedlings inoculated with S. citrinum was inferior to seedlings inoculated with A. hygrometricus. In contrast, seedlings without ectomycorrhizal fungi did not grow well. Differences in growth among the three types of seedlings were related to differences in the levels of nutrient acquisition. We concluded that Fagaceae seedlings inoculated with A. hygrometricus were best suited for acidic, infertile environments.
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