Colonization Dynamics of Three Ectomycorrhizal Fungi Sclerodermaspp. and Their Relation to Host Plant Growth
ABSTRACT
Scleroderma spp. already known as ectomycorrhizal fungi which can form symbioses with Dipterocarpaceae, Pinaceae and Gnetaceae, but little is known about interaction among the ectomycorrhizal fungi in each host plant. The aim of this study was to determine the compatibility and specificity of each ectomycorrhizal fungi with the host plants, and the effect on host plants growth. Scleroderma columnare, S. dictyosporum and S. sinnamariense were inoculated in single-, two-, and three- species treatments to Shorea pinanga, Pinus merkusii and Gnetum gnemon seedlings using spores suspension. After 6, 8 and 10 months of inoculation, seedlings were harvested to determine colonization percentage, height and diameter growth, and plant biomass. The results revealed that S. sinnamariense could not form symbioses with S. pinanga and P. merkusii but form symbiosis with G. gnemon. On the other hand, S. columnare and S. dictyosporum both in single- and multi- species treatments could form symbiosis with all the host plants. Generally, Scleroderma spp. increased the growth of host plants.
Keywords: Compatibility, ectomycorrhizal fungi, host plant, host specificity, Scleroderma
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