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2004 Pear/Apple - FireBlight Blossom Infection Period through May 23*
Penn State-FREC, Biglerville, PA

Fireblight Blossom Infection Perios

* Campbell Scientific & Field Monitor Weather Data System & MaryBlyt Program: / I = Infection periods for blossoms through 15 May for late maturing cultivar: Petal fall from May 16 - 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 December 20, 2006
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