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Genetic Control of Sulfur Dioxide and Ozone Tolerance in Eastern White Pine

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Clonal repeatability analyses were performed to obtain an estimate of the upper limit of genetic control for tolerance of Pinus strobus to sulfur dioxide and ozone. Tolerant and sensitive clones were fumigated for six hours with a mixture of 2.5 parts per hundred million (pphm) sulfur dioxide and 5 pphm ozone. Response was judged by needle elongation and two indices of direct needle damage. Repeatability estimates based on needle elongation values averaged 0.511; those derived from indices of direct needle damage averaged 0.799 and 0.818. Forest Sci. 19:267-271.

Keywords: Pinus strobus; Repeatability analysis; clonal test

Document Type: Journal Article

Affiliations: Dean, College of Agriculture, University of Arizona, Tucson

Publication date: 1973-12-01

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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