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2009 Bacterial Spot Infection Periods 6 Jul - 9 Aug*
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.

•Aug 10-12 (no possible bacterial spot infection).



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Last modified August 11, 2009
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