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2009 Fire Blight Infection Periods 25 Mar - 4 May *
Penn State-FREC, Biglerville, PA

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Fireblight Blossom Infection Period

* Spectrum Weather Data Systems & MaryBlyt Program: Low, Moderate, and Severe risk of infection on apple and pear trees that are in bloom.

First bloom on apple was 23 Apr 2009.

• May 5 thru May 13th (possible fire blight infection: **) forecast based on Skybit AgE-Weather IPM Apple Disease Report.


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Last modified May 6, 2009
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