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    Author(s): Marianne Elliott; Simon Shamoun
    Date: 2008
    Source: In: Frankel, Susan J.; Kliejunas, John T.; Palmieri, Katharine M., tech. coords. 2008. Proceedings of the sudden oak death third science symposium. Gen. Tech. Rep. PSW-GTR-214. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. pp. 351-354
    Publication Series: General Technical Report (GTR)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (309 KB)

    Description

    Biological control products were tested in vitro with six isolates of Phytophthora ramorum. These isolates were geographically diverse and were selected based on their pathogenicity to detached Rhododendron leaves. In addition to five commercially available biocontrol products, nine species of Trichoderma were tested. The in vitro tests included dual culture methods and detached Rhododendron leaf assays. Best results were obtained with the actinomycete Streptomyces lydicus (Actinovate®) in both culture and detached leaf tests. There were differences among P. ramorum isolates in their sensitivity to the biocontrol agents tested.

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    Citation

    Elliott, Marianne; Shamoun, Simon. 2008. In vitro testing of biological control agents on A1 and A2 isolates of Phytophthora ramorum. In: Frankel, Susan J.; Kliejunas, John T.; Palmieri, Katharine M., tech. coords. 2008. Proceedings of the sudden oak death third science symposium. Gen. Tech. Rep. PSW-GTR-214. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. pp. 351-354

    Keywords

    Phytophthora ramorum, Trichoderma spp., Streptomyces, biological control

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https://www.fs.usda.gov/treesearch/pubs/29941