UGA PEACH BLOG

Scale management and 2018 management guides

We are a month in to the new year and I just wanted to remind everyone that if you have not already done so, it is time to start thinking about a delayed-dormant application of horticultural oil for scale insect management. The above 50°F weather makes for a lovely day,…
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Current Chill Hour Situation

I am monitoring AgroClimate.org (http://agroclimate.org/tools/chill-hours-calculator/) as well as other sources for projected chill as of today 1/2/2018 we are around 500  hours which is nearly 100 hours behind our historic average on chill.  If you follow the projected chill probabilities we could be anywhere between 700 and 900 hours by…
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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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Saving leaning and uprooted trees

Hurricane Irma passed through Georgia with strong sustained winds. For our peach trees this meant trouble, especially for younger trees (1-3 years-old). Trees could have been fully uprooted, but in general, you can see them leaning or touching the ground. Younger trees can be salvaged, but this needs to be…
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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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Lack of chill: Where do we go from here?

This is for sure going to be remembered as one of the most difficult years in peach production in the Southeastern U.S. Lack of chill and a late freeze have done their part.  Now, it is time to decide what to do with the trees that are still not coming…
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