Disease

  • Shuck Decline

    Growers are starting to see symptoms of shuck decline in the orchard. Symptoms range from shucks turning all the way black to the tips green shucks turning black and peeling back at the suture. In some cases, kernels are black and in other cases, there is no kernel. The degree of declining shucks is different…

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  • Jason Brock and Dr. Tim Brenneman UGA Department of Plant Pathology Triazole (Group 3) fungicides were first labeled and used in pecan production during the 1990s with the introduction of propiconazole (Orbit). Since that time, a number of triazole active ingredients and products have been available and widely used.  Tebuconazole in particular has been sprayed…

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  • Notes on Nut Scab Management

    Our extension plant pathologist Jason Brock offers the following recommendations based on Dr. Tim Brenneman’s research regarding nut scab: June through July is a critical time for pecan scab management, as nuts are most susceptible during sizing. Nut scab development early in the summer will be much more devastating than late season infections. We have…

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  • Clarification on Phosphite Materials

    Based on conversations I have had with a number of growers it sounds as if there is a need for some clarification regarding phosphite materials. Phosphite has become a very valuable tool for us in the battle against pecan scab. Dr. Tim Brenneman first began testing phosphite materials on pecan primarily for efficacy on some…

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  • Example Fungicide Program for 2020

    I hope you all are staying safe amid the coronavirus concerns out there right now. Unfortunately as many of you know we have had to cancel our last four county meetings of the year (Wilcox, Jenkins, Brooks, and Dougherty) as well as the Georgia Pecan Growers Assoc. Conference. We will be getting the county meeting…

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  • 2020 Pecan Spray Guides

    Our 2020 Pecan Spray Guides are now available at the link below: https://secure.caes.uga.edu/extension/publications/files/pdf/B%20841_8.PDF

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