Suppression of Gliocladium virens phytotoxin production with steroid inhibitors
Patent 5268173 Issued on December 7, 1993. Estimated Expiration Date: 
June 19, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 19, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesTriazolyl-O,N-acetals Triazole derivatives Fungicidal 1,2,4-triazole derivatives Patent #: 4510136 InventorsAssigneeApplicationNo. 901439 filed on 06/19/1992US Classes:424/93.5, Fungus435/254.1, Fungi435/911Using fungiExaminersPrimary: Robinson, Douglas W.Assistant: Larson, Kristin Attorney, Agent or FirmInternational ClassesC12N 001/14A01N 063/00 AbstractA process for producing cultures of Gliocladium virens for use as biocontrol agents wherein the production of viridiol is inhibited. Cells of Gliocladium virens are grown in a culture medium and under conditions effective to produce gliotoxin and/or gliovirin, wherein the culture medium includes an amount of a fungicidal steroid inhibitor which is effective to inhibit production of viridiol but which does not substantially inhibit the growth of G. virens. Following recovery, the resultant culture may be used as a biocontrol agent for the control of plant diseases by application to the locus of a plant, seedling or seed to be protected. Coating seeds with the biocontrol agent prior to planting has been found to be particularly effective for the control of soilborne root or seedling diseases.Other References
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