A website from UGA Cooperative Extension

Plant Pathology

  • Peanut Update

    We have been looking at peanut fields all through the county. Even though we have had some good rains, many have gotten dry recently, and irrigation is running where it can be run. Growers have been staying on a good spray schedule, but with ideal conditions, we have started seeing more white mold hits in…

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  • Cotton Update

    We have been in a lot of cotton field intensively these past few weeks. There is obviously a wide planting date range and different age groups in the same field due to replanting. The month of May was very hot and dry and caused some issues with cotton stands with the extreme temperatures. With these…

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  • As we move into July, here are a few things to be looking for in cotton.  Much of the earlier planted cotton is blooming and setting bolls.  Some cotton fields are still in the seedling and early growth stages. INSECTS Aphid populations have been building in cotton of all sizes and growth stages.  Some fields…

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  • Southern corn rust is still being found in multiple counties around us now. It could be anywhere, but we have not yet found any in the county. Curvularia leaf spot has been seen in corn and it resembles rust, but is nothing to be concerned with. If your corn is late milking, dough, or starting…

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  • Dr. Bob Kemerait has confirmed our first southern corn rust in Georgia for this season. “Late to arrive, but here now and weather conditions are favorable for spread.  Only one field is known (Baker County) but could easily be anywhere in SW Georgia. Any corn not yet in dough/dent stages could be vulnerable in SW…

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  • We have had some discussions with Dr. Kemerait (UGA Plant Pathologist) this week on disease updates. In peanuts, white mold is currently of most concern. Early outbreaks of white-mold is based upon very hot temperatures in the recent past and now ample rainfall and soil moisture. Whether banded early season applications of Proline (5.7 fl…

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  • CORN – Southern Corn Rust has NOT been found in Georgia this year. We have had a little common rust and a little Northern Corn Leaf Blight confirmed in lower SW Georgia; common rust is not a problem for us.  The corn crop for our earliest planting dates is approaching tassel.  Given no known southern…

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  • As we move into cotton and peanut planting, here is some information to take a look at and to consider.  Palmer Amaranth Control in Georgia Cotton During 2019 is a great resource to use in planning a weed management system for cotton fields this season.  Another resource for peanut growers is the UGA Peanut Production…

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  • Botrytis in Onion Field

    I got a call from a consultant in regards to keeping Botrytis (gray mold of vegetables) in onion under control.  The pictures below show some symptoms of white leaf spots on the onion leaves. All of the rain we have had has made it optimal conditions for rapid disease spread by way of increased moisture…

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  • Attached is the 2019 fungicide programs for various vegetable crops provided by Dr. Bhabesh Dutta. Fungicide Spray Handout 2019

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