A website from UGA Cooperative Extension

Weed Science

  • Many rules regarding the purchase, handling, and application of paraquat are changing.  Most notably, all non-bulk paraquat products (with new labels) must adhere to closed-system packaging requirements set forth by the EPA’s Paraquat Dichloride Human Health Mitigation Decision by November 2020.  All paraquat applicators are required to complete an EPA-approved training module before applying. Click on…

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  • Listed below, is some field corn hybrid herbicide tolerance information from Dr. Eric Prostko. Pioneer https://www.pioneer.com/content/dam/dpagco/pioneer/na/us/en/products/files/corn/DF_Corn-Hybrid-Herbicide-Response-Ratings-Product-List.pdf Dekalb AgriGold Pages 70-71 on their hybrid guide below https://agrigold.com/Content/pdf/FlipBook/Hybrid-Profile-Guide-2019-20.pdf

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  • Using Pesticides Wisely 2020

    We have had many questions about the Using Pesticides Wisely for 2020. At this time there are two training plans. We are awaiting the final decision from EPA regarding Georgia’s 2020 dicamba training program. Click Read More to see the information sheets, which clearly explain the two plans.

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  • For anyone interested, here is a comparison of Dual Magnum vs. Outlook on tropical spiderwort control in peanut from some past research of Dr. Prostko (UGA Weed Specialist) Outlook is the activated isomer of the herbicide formerly sold as Frontier (dimethenamid).  If you are not very familiar with Outlook, it is in the same herbicide family…

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  • There has been a few questions on weed control in oats. In oats, there is not as many good options as there are with wheat. Oats can be more easily damaged. Before Christmas is the best timing to focus on weed control and we usually need to get weeds such as wild radish while it…

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  • Listed below is some information obtained from Dr. Prostko (UGA Weed Scientist) on Cadre (imazapic) carryover and oats.  Cadre is used on a large percentage of peanut acres in Georgia. “The official labeled rotation restriction for oats after an application of Cadre is 18 months!” ” Field research conducted in Georgia indicated that the rotation…

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  • Pine Weed Control

    There has been some questions on herbicide options for newly planted pine sites. I was asked about Longleaf pine, so listed below will be information base on this type. I will also attach some information on loblolly and slash.  This information was discussed with Dr. David Clabo (UGA Silviculture Specialist) There are a few good…

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  • Below is some information from Dr. Culpepper (UGA Weed Scientist) on Direx 4L FIFRA 24(c) label in Georgia.  “Federal diuron labels only allow applications between 15 and 45 days prior to planting cotton and that our state label providing a more flexible and effective use of diuron at burndown had expired. Thanks to the help…

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  • Pictured below is the 2019-2020 quick guide for ryegrass and wild radish control in wheat from Dr. Stanley Culpepper (UGA Weed Scientist).  

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  • There has been some questions about late season tropical spiderwort in peanuts getting closer to digging time. There has also been questions about this weed in corn or post harvest control for peanut rotation the next season. For current peanut production, there is not many good options this late for tropical spiderwort. Strongarm is the…

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