Abstract
Inoculation with ectomycorrhizal fungi was explored as a means to improve productivity of experimental short-rotation plantations of the willowsSalix viminalis andSalix dasyclados for biomass production on surface-mined peatlands in northern Finland. Both willow species formed ectomycorrhizas withAmanita spp.,Cortinarius purpurascens, Entoloma nidorosum, otherEntoloma spp.,Hebeloma crustuliniforme, H. pusillum, Laccaria bicolor, andPaxillus involutus in greenhouse experiments.
Field trials on a mined peatland site revealed (after one growing season) statistically significant growth stimulation after inoculation due to mycorrhiza formation in both willow species: plants inoculated withEntoloma were sometimes twice as large as control plants. However, such effects were observed only in plots receiving normal phosphate fertilization as opposed to low phosphate application, and were not consistent from season to season. With the inoculum of other species (Cortinarius, Hebeloma andPaxillus) some evidence of growth enhancement was found in the field, but these results were sometimes attributable to non-symbiotic effects of inoculation.
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Loree, M.A.J., Lumme, I., Niemi, M. et al. Inoculation of willows (Salix spp.) with ectomycorrhizal fungi on mined boreal peatland. Plant Soil 116, 229–238 (1989). https://doi.org/10.1007/BF02214552
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DOI: https://doi.org/10.1007/BF02214552