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Notes: Root Grafting of Port-Orford-cedar--An Infection Route for Root Rot

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Hydraulic excavation of the upper root systems of 5 groups of trees in a nearly pure, 50-year-old stand of Port-Orford-cedar disclosed abundant intraspecific root grafting. Tree roots on a sizable area are intergrafted to form an almost continuous root network which serves as a path for vegetative spread of Phytophthora lateralis. Frequency of grafting decreases in a straight line relationship with increase in distance between trees. Forest Sci. 22:276-278.

Keywords: Chamaecyparis lawsontana; Phytophthora lateralis; tree spacing

Document Type: Miscellaneous

Affiliations: Professor of Forest Pathology, Oregon State University, Corvallis, Oregon 97331

Publication date: September 1, 1976

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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