Rapid blight on ryegrass

View Larger Southern California, February, 2013, ryegrass overseeded bermuda fairway. This composite image illustrates the distribution of rapid blight (photograph from low-altitude drone-mounted camera) upper left, photo from ground level lower left, dissecting microscope upper right and compound microscope illustrating spindle shaped cells of rapid blight in epidermal cells of ryegrass. For more information on rapid blight see: Rapid Blight: A New Plant Disease. PACE Turf members refer to the following reference: Rapid blight

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Turf Diseases