UGA PEACH BLOG

Phony Peach

Based on observations at the Byron USDA station (pathology blocks) and Fort Valley State (Jeff Cook orchards), phony peach appears to be increasing in importance (see photos below; short, squat trees are phony peach trees).  I suspect this could be related to two really warm consecutive winters, increased vector numbers…
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Hurricanes and Phytophthora Damage

Unfortunately, it does look like Georgia will experience pretty high winds from hurricane Irma as it passes north. In addition to the direct damage to trees, tree decline and death over time can be a direct result of hurricanes and tropical storms. High winds whip young trees from side-to-side like large…
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Copper Formulations for Peach and Cover Sprays

From what I have been told, there may be a shortage of oxytetracycline products this year, due to the use of this antibiotic in Florida for potential control of citrus greening.  All of this is occurring at a time in which we can expect ideal conditions for bacterial spot development…
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Bacterial Spot Danger

In reviewing the weather forecasts for the next 15 days or so, I am concerned about bacterial spot development.  The current warm temperatures are certainly increasing bacterial numbers, and any temperature above 65 F is sufficient for multiplication.  Temperatures in the upper 70s or lower 80s provide perfect conditions for…
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Early Green Fruit Rot

This photo shows green fruit rot (caused by Monilinia fructicola) on insect-damaged peaches (photo taken today from fruit collected in an ‘O’Henry’ block at the USDA research station in Byron, GA).  I have never personally observed green fruit rot this early, but it does occur from time to time.  If…
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