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Notes: Foliar Peroxidase and Acid Phosphatase Activity Response to Low Level SO2 Exposure in Eastern White Pine Clones

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Tolerant and sensitive clones of eastern white pine were fumigated for 2 hr with 150 g m-3 (5 pphm) SO2. Peroxidase (PER) and acid phosphatase (AP) activity was measured in extracts from foliage collected immediately prior to fumigation, and at 0, 2, 4, and 24 hr following fumigation. Extracts from sensitive clones exhibited greater PER activity than tolerant clones. Fumigation did not significantly increase PER activity in either class. Tolerant and sensitive controls did not differ in AP activity. Foliar PER activity may hold promise for screening individuals in tree improvement programs. Forest Sci. 28:661-664.
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Keywords: Pinus strobus; air pollution; enzymes; sensitivity; tolerance; trees

Document Type: Miscellaneous

Affiliations: The Department of Forestry, Ohio Agricultural Research and Development Center, Wooster, OH 44691

Publication date: 1982-09-01

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

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    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
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