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Notes: Survival, Dry Matter Accumulation, and Water Use of Loblolly Pine Seedlings Treated with Chemical Antitranspirants

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In tests on 1,670 seedlings, different volumes of decenyl succinic acid (DSA) and phenylmercuric acetate (PMA) were sprayed at concentrations ranging from 1 molar to 10-5 molar in several carriers. DSA at 10-1.5 molar and PMA at 10-3 molar concentration reduced transpiration for at least 3 weeks. Height growth was unaffected after one growing season, but root and needle weights were less than those of controls. Seedlings treated with these metabolic retardants and then subjected to droughts of up to 6 weeks' duration survived no better than controls. Forest Sci. 20:372-374.

Keywords: Pinus taeda; Transpiration

Document Type: Miscellaneous

Affiliations: Principal Soil Scientist at the Forest Hydrology Laboratory, which is maintained at Oxford, Mississippi, by the Southern Forest Experiment Station, USDA Forest Service, in cooperation with the University of Mississippi

Publication date: 1974-12-01

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

    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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