C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 1/14 (2006.01) A01N 63/04 (2006.01)
Patent
CA 2105688
ABSTRACT The mycoherbicide of the present invention is effective in the control of Calamagrostis canadensis and/or related grasses, particularly in areas undergoing reforestation. The mycoherbicide includes one or both of Fusarium nivalis (ATCC #26050) and a novel fungus, Colletotrichum calamagrostidis (PFC-215, ATCC #_), isolated from a diseased plant of C. canadensis var. canadensis. The mycoherbicidal formulation preferably includes an allelopathic agent, such as straw, straw-based material, straw extract, grass extract or an endophyte. An especially effective treatment was demonstrated with C. calamagrostidis (PFC-215) and an inoculum of endophytic Fusarium nivalis. An embodiment of a method of treatment according to the present invention includes the application of endophytes of reduced virulence to grass bordering a target area or in grazing lands, to prevent either natural or inoculative infection.
Anderson J. Wayne
Forestry Canada
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