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Isolation of Mycorrhizal Fungi From Roots of Individual Slash Pines

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The isolation of fungal symbionts from mycorrhizae of individual slash pines is described. Root material was taken from 30, 4-year-old wildlings growing in openings within a 20-year-old plantation of the same species located in the Upper Coastal Plain region of Georgia. Solutions of both NaClO and HgCl2 were employed for surface sterilization; 100 ppm HgCl2 for 4 minutes gave best results. A total of 1600 mycorrhizae were plated on nutrient agar. Of these, 213, or 13.3 percent, yielded pure cultures of fungal symbionts. Three different fungi were isolated from 1 mycorrhiza and 2 from each of 7 other mycorrhizae. The 222 separate isolates included 4 of Cenococcum graniforme (Sow.) Ferd. and Winge and 218 basidiomycetous isolates. The latter were arbitrarily divided into 22 different species groups based on cultural characteristics. More than 1 fungal symbiont was found associated with the roots of most trees. Roots of one tree yielded 7 different mycorrhizal fungi.
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Document Type: Journal Article

Affiliations: Forestry Sciences Laboratory, Durham, N.C.

Publication date: 1964-06-01

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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