1. Spore Traps Help Detect Powdery Mildew Inoculum: Vineyard monitoring may help growers reduce spray applications

    vwm-online.com (Jun 11 2013)

    1. Spore Traps Help Detect Powdery Mildew Inoculum: Vineyard monitoring may help growers reduce spray applications

      Coastal Viticultural Consultants Inc. (CVC) of Napa Valley, Calif., has commercialized a powdery mildew (PM) spore trap and inoculum detection procedure for vineyards. It was developed and field tested in Northwest vineyards by research plant pathologist Walt Mahaffee of the USDA Agricultural Research Service in Corvallis, Ore., and professor Gary Grove of Washington State University in Prosser.

      CVC builds and installs spore traps, and regularly collects trap samples for lab testing as a service for grapegrower clients in Northern California. CVC’s PM trap service has increased from an initial testing of six traps during 2011 to 15 traps in ...

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