Andrew Sawyer

  • Insect Issues on Young Trees

    Pecan Budmoth Following a cool April, we are seeing budmoth pressure increase. At the UGA Vidalia Onion Research farm, our trees sprayed in early April look great. However, I left one row non-sprayed so I could replicate a budmoth insecticide efficacy trial we were doing in Montgomery County. The Montgomery trial was sprayed April 8th…

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  • Casebearer Captures

    The pecan nut casebearer moths are flying now. Starting last weekend and through this week, many locations have reached ‘biofix’ catching moths for two consecutive days. Thank you to all county agents, growers and our USDA counterparts who checked traps the past few weeks. I will clarify how to use the online model and discuss…

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  • 2021 Pecan Nut Casebearer Monitoring

    UGA Extension agents, USDA collaborators and pecan growers across 14 pecan-growing counties in Georgia are monitoring for pecan nut casebearer again this year. We started on April 12th using pheromone-baited traps (Figure 1). Agents and entomologists are checking traps each day until moths are captured for two consecutive days. The first date of consistent captures…

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  • 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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  • Scouting Aphids Early

    Over the past two weeks, I’ve seen yellow aphids, black pecan aphids and black pecan aphid damage in orchards in Southeast Georgia. I’ve also talked with many county agents who are seeing the same thing. What do we need to know? And what should we do? Black Pecan Aphids First, remember that black pecan aphid…

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  • We are seeing some common issues on young trees at this time. I want to show you some photos to help note the difference in nutrient deficiencies and glyphosate injury. But even more important is to remember is that often times, more than one or all of these symptoms are present in your orchard. Mouse…

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  • Twig Girdler Damage on Young Trees

    Growers with young trees may come across this situation in small blocks or trees near woods. We came across some twig girdlers in Washington County last month that appears more like a tall deer bit off every single branch. The broken branches were laying on the ground at the base of the tree. This damage…

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