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Variation in Aluminum Tolerance among Six Genera of Trees

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Using a hydroponic system, the relative aluminum tolerance of 11 tree species was evaluated at 10 levels of Al concentration from 0 to 280 ppm. Species evaluated were Alnus glutinosa, Betula alleghaniensis, B. papyrifera, B. populifolia, Elaeagnus umbellata, Pinus rigida, P. sylvestris, P. virginiana, Populus hybrid clone NE-388, Quercus palustris, and Q. rubra. A comparison of tolerance indices based on root elongation in Al vs. non-Al solutions revealed a wide range of Al tolerance among species. Populus hybrid and E. umbellata were very sensitive to even low Al concentrations (10-40 ppm), while A. glutinosa, Betula spp., Pinus spp., and Quercus spp. were tolerant to much higher concentrations (80-160 ppm). This level of tolerance is greater than that reported for most field crops. Forest Sci. 24:565-568.
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Keywords: Aluminum toxicity; genetics; mine spoil revegetation; mineral nutrition; revegetation; surface mine revegetation

Document Type: Journal Article

Affiliations: Assistant Professor of Forest Resources, School of Forest Resources, The Pennsylvania State University, University Park, PA 16802

Publication date: 1978-12-01

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.

    2016 Impact Factor: 1.782 (Rank 17/64 in forestry)

    Average time from submission to first decision: 62.5 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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