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Notes: Biological Control of Decay Fungi: A Wood Disk Evaluation Method

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Abstract:

Frozen, debarked, tree branch disks were surface-sterilized by dipping in boiling water and then placed in petri dishes containing water reservoir. One-half of the disk top surface was swabbed with a cell suspension of a potential decay fungus antagonist; 2 days later the treated and the nontreated halves were inoculated with plugs from an agar culture of a decay fungus. After 5-8 days, some antagonists prevented decay fungus mycelium from reaching the bottom of the disk. Certain bacteria, fungi, and yeasts, isolated from Norway maple wood on a Norway maple diffusate agar and tested with Norway maple disks, were effective against four decay pathogens of maple. Sound, surface-sterilized Norway maple disks were naturally inhabited by endophytic resident bacteria, some of which were effective antagonists in disk tests. Forest Sci. 24: 560-564.

Keywords: Acer platanoides; Bacteria; Fomes conatus; Fomes igniarius; Inonotus glomeratus; Norway maple; Oxyporus populinus; Phellinus igniarius; Pholiota adiposa; Polyporus glomeratus; endophytic resident

Document Type: Miscellaneous

Affiliations: Professor of Plant Pathology, The Ohio State University, and Ohio Agricultural Research and Development Center, Wooster, OH 44691

Publication date: December 1, 1978

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.

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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