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Leafroll Diagnostic Maps

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Leafroll is a devastating disease that may affect a large portion of the winegrape vines in the U.S.  Early detection and treatment can manage its effects.  In 2013-2014, a study was performed by VineView & University of California to develop an aerial map that would accurately identify the disease.

  • Study conducted w/ UC Davis and Napa County scientists
  • 5 vineyards blocks flown in 2013 & 2014
  • Field scouting was done on all vines; some also lab tested

A comparison to field scouting showed the rate of successful aerial detection to be > 94%.

A summary of the study was published October 2016 in Elsevier.

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