Notes: Effect of Lead Contamination on Transpiration and Photosynthesis of Loblolly Pine and Autumn Olive
Abstract: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.
Document Type: Miscellaneous
Affiliations: Associate Professor of Botany, University of Illinois
Publication date: 1975-03-01
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- 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.
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