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2009 Bacterial Spot Infection Periods 18 May - 21 Jun*
Penn State-FREC, Biglerville, PA

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Bacterial Spot Infection Period

* Xanthomonos prui favors warm temperatures (70-85 degrees F) with light rains and heavy dew. Windy weather are most conducive for disease development and spread. Infections occur only when the leaves are wet and the amount of diseases increases exponentially. Spectrum Weather Monitoring System & Ohio State University Bacterial Spot of Stone Fruit, HYG-3019-95.

•Jun 22nd through Jun 24th no possible bacterial spot infection.


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Last modified June 26, 2009
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