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Field Performance of Ponderosa, Scots, and Austrian Pines with Pisolithus Tinctorius Ectomycorrhizae in Prairie Soils

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Pinus ponderosa, P. sylvestris, and P. nigra seedlings, with Pisolithus tinctorius (Pt) ectomycorrhizae formed with standard or industrially produced pure culture inoculum, were planted on prairie soils in south-central and southeastern Nebraska, or in central Kansas. Survival and growth of the seedlings were evaluated annually over a 5-year period. Seedlings also were examined for presence of Pt and naturally occurring ectomycorrhizae. Pt remained viable on inoculated trees in each of three plantings during the 5-year period, but ectomycorrhizae formed with this symbiont did not improve survival and growth of the three pine species when compared to noninoculated control trees that had become ectomycorrhizal with naturally occurring symbionts. Factors (high soil pH and other fungi) contributing to the lack of growth response under field conditions for trees with Pt ectomycorrhizae are discussed. For. Sci. 35(4):935-945.

Keywords: Pinus nigra; Pinus ponderosa; Pinus sylvestris; seedling quality

Document Type: Journal Article

Affiliations: Plant Pathologist (retired), Rocky Mountain Forest and Range Experiment Station, USDA Forest Service, Lincoln, NE

Publication date: 1989-12-01

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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