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The Distribution and Size of the Inter-Tracheid Pits in an Eastern Hemlock

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A study of the size and distribution of bordered pits was conducted on longitudinal tracheids from a dbh section of a Tsuga canadensis L. Carr tree. Significant differences in the size of the pits were detected between springwood and summerwood tracheids, as well as between years. The linear correlation coefficient between the pit diameter and the pit torus was .88, and .83 between the pit aperture and the pit torus. Although the size of the pits increased significantly with age, the substantial increase in the number of pits per tracheid with age, was largely responsible for the increased percentage of the radial wall occupied by pits.

Document Type: Journal Article

Affiliations: Student, Dept. of Wood Science and Technology, North Carolina State University, Raleigh

Publication date: 1967-03-01

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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