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Evidence for a Direct Effect of Water Stress on Tracheid Cell Wall Metabolism in Pine

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Tissues of developing xylem were excised from the main stems of 16-year-old Pinus sylvestris L. trees and incubated in solutions containing labelled glucose and varying concentrations of polyethylene glycol. Increase in water stress with polyethylene glycol caused a significant lowering of glucose incorporation. As water potential decreased from -- 3.1 atm, a level common in stems under favorable growing conditions, to -- 28.1 atm, a level common under conditions of environmental stress, incorporation of labelled glucose was reduced by over 50 percent. Water stress thus has a direct effect on the cell wall metabolism of cambial derivatives in pine, independent of regulation from the crown foliage.

Document Type: Journal Article

Affiliations: Professor of Forestry, School of Natural Resources, The University of Michigan

Publication date: 1967-12-01

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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