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    Author(s): L. David Dwinell; S.W. Fraedrich
    Date: 1999
    Source: National Proceedings: Forest and Conservation Nursery Associations--1998, USDA, Forest Service, Southern Research Station, General Technical Report SRS-25
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (155 KB)

    Description

    The pitch canker fungus, Fusarium subglutinans f. sp. pini, has been identified as a significant problem in man pine seed orchards and nursuries in the South. THe fungus causes strobilus mortality, seed deterioation, and cankers on the main stem, branches, and shoots of pines Dwinell and others 1985). The pitche canker fungus causes damping-off (Blankeslee 1980) and stem cankers on seedlings in southern pine nurseries (Barbard and Blakeslee 1980). Contaiminated seeds may be a source of inoculum for diseases in nurseries caused by F. subglutinans f. sp. pini.

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    Citation

    Dwinell, L. David; Fraedrich, S.W. 1999. Contamination of Pine Seeds by the Pitch Canker Fungus. National Proceedings: Forest and Conservation Nursery Associations--1998, USDA, Forest Service, Southern Research Station, General Technical Report SRS-25

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