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UGA Extension Cook County

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  • Cotton Jassids and Defoliation

    A new factor to consider this year is jassids causing leaves to turn brown prior to defoliation of cotton. This may have potential to cause leaves to stick. “If this pest is present in fields then timely defoliation is critical to maintain optimum yield and quality. If we do not defoliate on time and the…

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  • Cook Young Farmer’s Meeting

    RSVP TO REN HESTER 229-546-8873 ASAP. Regional Director for Peanut Inspections, Clay Pirkle will be on hand to present a program for Cook County Young Farmers Meeting at Cook Extension Office Ag Meeting Room Wednesday, Sept 10th at 12 Noon (lunch provided). This is good timely information since we are in peanut harvest season right…

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  • Peanut Maturity Checks

    Tuesday’s behind Cook Board of Education Office starting at 9 AM. Checking with Young Farmer Teacher Ren Hester. Thursday’s at Lenox Peanut starting at 8:30 AM – 11:00 Other days call me (Tucker -229-507-8862) and we’ll check either at Cook Extension office or on your farm. SAMPLING PEANUTS TO CHECK FOR MATURITY Pull 3 or…

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  • Updated Cotton Jassid Info from Dr. Phillip Roberts (UGA Cotton Entomologist) 9/2/25

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  • Cook Extension Ag Update 8/28/25

    Peanut Varieties and Maturity Dates Peanut Maturity Clinics Peanut maturity checks will begin next week (Sept 2). Exact dates and locations TBA however we’ll be located either at the Cook Extension Office or Lenox Peanut. It takes 180 – 220 peanuts to make a sample to check for maturity. Pull up 3-4 tap roots in…

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  • More Cotton Jassid Info 8/19/25

    Cotton Jassids are not hard to find in our cotton fields in Cook County and understanding this new insect, its damage and control, is an evolving situation. Below are images of the insect and recent updated information from Dr. Phillip Roberts as of 8/18/25 on this insect’s spread in GA and control measures. Call with…

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  • Cotton Jassid

    Cotton Jassid (Two Spotted Cotton Leafhopper) This is a new insect. It first appeared in a okra patch about 3 wks. ago here in Cook County, and recently in a cotton field; was found in Georgia counties along the FLA border a week prior. It looks similar to the potato leafhopper in peanuts (not 3…

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  • Peanut Disease Info

    Teb/Bravo is an inexpensive fungicide option in peanuts however if you depend on it for your only white mold control fungicide, you will risk getting what you pay for. See below (local 2023 data), the bar on far right is a teb/bravo applied four times, and indicates significantly more white mold hits/200′ compared to other…

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  • Peanut Pegging Zone Test and Growth Regulator Info

    Peanut Pegging Zone Testing Info

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  • Cook Extension Ag Updates 7/2/25

    Peanut Insect Situation This is from Mark Abney – UGA Peanut Entomologist Lessers – Growers need to continue scouting fields for LCB even in areas that have received ample rain. As irrigated fields (and non-irrigated fields where it is raining consistently) begin to lap the row middles, the risk for LCB reaching threshold levels is…

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