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An update on Gray Leaf Spot research in California 2005.(RESEARCH UPDATE)
- Article from:
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California Fairways
- Article date:
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November 1, 2005
- Author:
- Wong, Frank P.
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Copyright informationCOPYRIGHT 2005 Adams Business Media. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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In 2003, the California turf industry was affected by the emergence of Gray Leaf Spot (Pyricularia grisea) as a new disease of perennial ryegrass and kikuyugrass. Although known to be present in California on St. Augustinegrass since the 1970s (Mueller 1972), the disease had not been reported on perennial ryegrass until 2001 (Uddin 2002) and only reported on kikuyugrass in 2003 (Wong 2005).
In response to the outbreaks of Gray Leaf Spot (GLS), a research proposal was submitted to the local, state and national GCSAA for funding. The cooperative research group includes: Dr. Frank Wong at the University of California at Riverside; Dr. Wakar Uddin at The Pennsylvania State ...