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Notes: Effect of Lead Contamination on Transpiration and Photosynthesis of Loblolly Pine and Autumn Olive

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Lead as PbCl2 in solution was applied to the soil resulting in concentrations of 0, 20, 40, 80, 160, and 320 ppm. No effect on photosynthesis and transpiration, as studied by infrared gas analysis, was evident below tissue concentrations of 60 ppm lead in loblolly pine and 72 ppm lead in autumn olive. At these concentrations, photosynthesis was reduced 11 percent and 17 percent respectively and transpiration declined steadily. Forest Sci. 21:33-35.

Keywords: Air pollution; Elaeagnus umbellata; Pinus taeda

Document Type: Miscellaneous

Affiliations: Associate Professor of Botany, University of Illinois

Publication date: 1975-03-01

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 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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