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Late Blight Scouting Report

Disease Forecast For Late Blight - Updated: July 23, 2010

 

The potato late blight finds in southern coastal Maine have been on both tomato and potatoes.  Conditions have been conducive for the disease in these areas.  Please remember that warmer temperatures that we have been experiencing do not seem to shut the “newer” strains of late blight down as what happened with the “old” US #1 strain of late blight.  With the recent rain, all areas are reporting a 5-day protective spray.  Growers with fields located in high risk areas should consider the addition of a translaminar material as part of their regular protective program at this time. 

 

Trace levels of early blight are being found within some locations.

 

 

Questions or comments? Please visit our parent web site at: http://www.umext.maine.edu
or contact the Potato IPM program at: P.O. Box 727, Presque Isle, ME 04769
Phone: (207)764-3361.

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