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Prescribed Burning Reduces Severity of Annosus Root Rot in the South

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Prescribed burning of 14 loblolly and slash pine plantations in the Coastal Plain of the southern United States often reduced losses to Heterobasidion annosum root rot. Plots on which losses were reduced were burned twice before initial stand thinning, and one to three times after thinning. The beneficial effect of fire was greatest where stump infection was assured by inoculation of all fresh stumps with spores of the fungus. Trichoderma spp., fungal competitors of H. annosum, increased in soil after burning. A heavy legume cover, sericea lespedeza, on burned plots did not provide better disease control than burning alone. Forest Sci. 24:93-100.
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Keywords: Fomes annosus; Heterobasidion annosum; Lespedeza cuneata; P. elliottii var. elliottii; Pinus taeda; Trichoderma spp; soil microorganisms; soil temperature

Document Type: Journal Article

Affiliations: Research Forester (Fire), Rocky Mountain Forest Experiment Station, USDA Forest Service, Fort Collins, Colorado 85281

Publication date: 1978-03-01

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.

    2016 Impact Factor: 1.782 (Rank 17/64 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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