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Ectomycorrhizal Colonization of Container-Grown Northern Red Oak as Affected by FertilityAuthor(s): John L. Ruehle
Source: Res. Note SE-297. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 8 p.
Publication Series: Research Note (RN)
Station: Southeastern Forest Experiment Station
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DescriptionAbstract - The effects of different fertility regimes on Pisolithus tinctorius ectomycorrhizal development on northern red oak grown in containers was tested in the greenhouse. Artificial infestation of a milled pine bark-sewage sludge growing medium produced the best ectomycorrhizal development (63 percent) when a nutrient solution with 100pg/ml N and 20 pg/ml P was used every 3 weeks. A commercially available nutrient solution (NP-500 &ml) produced the largest seedlings, those rated suitable for planting, but caused a marked reduction in ectomycorrhizal development (Pt = 20 percent). The results indicate that the production of large and vigorous northern red oak seedlings in containers with abundant Pisolithusectomyconizae is strongly dependent on the levels of available nutrients in the growing medium.
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CitationRuehle, John L. 1980. Ectomycorrhizal Colonization of Container-Grown Northern Red Oak as Affected by Fertility. Res. Note SE-297. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 8 p.
Keywordspisolithus tinctorius, Quercus rubra
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