Inoculation of Three Quercus Species with Eleven Isolates of Ectomycorrhizal Fungi. II. Foliar Nutrient Content and Isolate Effectiveness
Abstract:Seedlings of Quercus velutina, Q. alba, and Q. robur were grown in containers inoculated with five isolates of Pisolithus tinctorius, three of Suillus granulatus, and one each of Suillus luteus, Thelephora terrestris, and Cenococcum geophilum. Each seedling received 75 ml of Hoagland's solution weekly. Colonization of lateral roots differed significantly among the isolates and among the oak species. Although not statistically significant in all instances, mycorrhizae increased foliar nutrient content in 80 percent of the measurements. Nutrient content of K, Ca, Mg, Fe, B, Mn, Zn, Cu, and Mo was influenced by the fungal symbiont associated with each oak species. Thelephora terrestris was the most effective organism in increasing nutrient uptake by the three oaks collectively; individually, S. granulatus 263 was most effective with Q. velutina, S. luteus with Q. alba, and C. geophilum with Q. robur. Differences in nutrient uptake by oaks inoculated with various ectomycorrhizal fungi emphasize the need for testing fungal ecotypes before selecting one for inoculation of container-grown seedlings. Forest Sci. 30:563-572.
Document Type: Journal Article
Affiliations: Principal Silviculturist and Project Leader, North Central Forest Experiment Station, USDA Forest Service, Columbia, MO 65211
Publication date: 1984-09-01
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