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Effects Of Three Vesicular-Arbuscular Mycorrhizal Fungi On Sweetgum Seedlings From Nine Mother Trees, Richard C. Schultz, Paul P. Kormanik, William C. Bryan
Effects Of Three Vesicular-Arbuscular Mycorrhizal Fungi On Sweetgum Seedlings From Nine Mother Trees, Richard C. Schultz, Paul P. Kormanik, William C. Bryan
Richard C. Schultz
Soil in microplots was infested with three vesicular-arbuscular (VA) symbionts then sown with seed of half-sib progeny from nine sweetgum mother trees. The VA treatments were Glomus fasciculatus, Glomus spp. (a mixture containing both Glomus mosseae and Glomus etunicatus), or a VA mixture of several fungi from the genera Glomus and Gigaspora. Before the seed was sown, all plots had calcium standardized and received an application of commercial fertilizer. During the growing season, NH4NO3 was applied to all plots in equal portions. Mycorrhizal seedlings with G. fasciculatus were slightly but not significantly larger in both height and root-collar diameter than …