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2004 Pear/Apple - FireBlight Blossom Infection Period through May 17*
Penn State-FREC, Biglerville, PA

Fireblight Blossom Infection Perios

* Campbell Scientific Weather Data System & MaryBlyt Program
/ I = Infection periods for late maturing cultivars that are still in bloom as of 17 May. H = High risk of infection; M = Moderate risk of infection.


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Last modified January 9, 2009
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