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2004 Pear/Apple - FireBlight Blossom Infection Period through June 21*
Penn State-FREC, Biglerville, PA

Fireblight Blossom Infection Perios

* Campbell Scientific & Field Monitor Weather Data System & MaryBlyt Program: / I = Infection periods for blossoms through 16 May for late maturing cultivar: Petal fall from May 18 - no expected blossom infection after this period. Will continue to monitor shoot blight and canker infection.. H = High risk of infection; M = Moderate risk of infection.


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Last modified January 9, 2009
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