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July Begins the “Red Zone” for Target Spot Kemerait The Debate. I recently followed a thread on social media where the need for applying fungicides to cotton for control of target spot was debated. As you might imagine, opinions were varied from “yes we are going to spray” to “spraying fungicides on cotton doesn’t make…
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Silverleaf Whitefly Management a Priority Roberts Silverleaf whiteflies (SLWF) are being observed in areas which have historically had infestations. A few localized fields have exceeded threshold and been treated. These infestations are much earlier than normal and likely are a result of increased winter survival due to the lack of cold temperatures. Management of SLWF…
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The total number of nodes present on a cotton plant can be used to assess plant vigor or to provide an indication of stage of development. To get an accurate count of total nodes, it is necessary to start at the first true leaf node above the cotyledons (node 1) and count upward until reaching…
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July and August are Critical Months for Disease Management in the Peanut FieldsBob KemeraitThe 2020 season has been a difficult one for the peanut farmers even before they put the first seed in the ground. To a level I have not seen before, growers had to make early decisions about seed treatments and in-furrow fungicides…
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Erratic Emergence/Late Planted Peanuts – How Can Maturity Be Affected?Scott MonfortI know I mentioned maturity last month also but it is important that growers do not forget whathappened during the planting season regardless of the planting date.The issue I wanted to repeat is dealing with fields planted early and late where peanut emergence wasslow and…
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Peanut Weed Control Update – June 30 Just a few comments based upon recent phone calls/texts/e-mails:1) Be on the lookout out for pink purslane (Portulaca pilosa). Best options for control at this time are either Ultra Blazer or Cobra (yes, these herbicides will burn peanuts). Do not spray Ultra Blazer or Cobra if peanut plants are…
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Corn: southern corn rust until the crop reaches R6 hard-dough stage. Soybeans: this week we have found soybean rust in KUDZU in Turner and Wheeler Counties. Growers should, in my opinion, apply some fungicide by R3, especially if they can piggy-back on a Dimilin application. Cotton: be watching for target spot as plants start blooming;…
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Scout for Tarnished Plant Bugs (Phillip Roberts, UGA Extension Entomologist) Yes, we too have some selected areas of plant bug issues. Brandon Phillips Crop Consultant shared his plant bug numbers from previous sweep net counts above threshold and a 65% square retention (85% square retention or better is desired). Unlike cotton production areas in the…
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Cotton Weed Control Thoughts (Pulled From Irwin County Newsletter) (Use only labeled products and follow all labeled directions and restrictions): Scenario One: Large pigweed with enough in-crop dicamba for two applications: Spray labeled Roundup + dicamba immediately, wait 7 to 10 days and then make a second application; 12 days later run the lay-by rig…
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Update by Bob Kemerait Southern rust has been found in Lee County, so we are beginning to see a move north. Conditions this week- hot with good chance of rain should be near-perfect for spread of southern rust. I looked at a sample last week of rust from Ben Hill county but it was confirmed…
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