UGA Blueberry Blog

Public Comment on Pyrethroid Insecticides Requested

Dear Blueberry Growers: ALL pyrethroid insecticides (bifenthrin, Warrior/Karate, Mustang Max, Baythroid, Asana, Permethrin, etc.) are currently undergoing registration review at EPA. Nine are specifically being evaluated, but serve as surrogates for all 19 active ingredients. The preliminary evaluation shows that all pyrethroids exceed “Levels of Concern” for exposure to aquatic…
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Webinar on Sustainable Management of Spotted Wing Drosophila

Members of the Sustainable SWD Project will present a webinar online on January 25th at 12-1pm eastern time, highlighting information about control of the invasive insect pest, spotted wing Drosophila. The webinar titled “Making the Most of Your Insecticide Toolbox to Manage SWD” will cover research conducted during the first…
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Monitoring and Management of Blueberry Gall Midge

Ash Sial1 and James Jacobs2, 1Department of Entomology, University of Georgia, 2UGA Extension, Pierce County   The reports of blueberry gall midge infestations in Georgia blueberries have become more common over the last couple of years. Although blueberry gall midge has historically been referred to as a rabbiteye problem, recently…
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Mummy Berry Warning

I have reports from the southern region of the state which would indicate that leaves are starting to emerge on rabbiteye blueberries.  This is truly an early leaf emergence for rabbiteyes, likely due to the exceptionally warm weather we are now experiencing.  Blooms may not be far behind.  As such,…
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New Extension Publications Available

Housed on the UGA Extension Publications web site (http://extension.uga.edu/publications/) are three new publications: Home Fruit Orchard Pruning Techniques (C 1087) by Erick Smith, Bob Westerfield, and Dario Chavez is a review of pruning practices for tree, bush, bramble, and vine fruiting plants, including blueberry. Though the title focuses on the…
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Further Thoughts on Botryosphaeria Stem Blight Disease

After further discussions with Dr. Phil Brannen, I was probably overzealous with my previous recommendation on Botryosphaeria stem blight during the fall season.  I had previously recommended application of a contact and systemic fungicide in the field, such as Captan & Quash or Captan & Indar, etc. It won’t hurt…
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Field Scouting Finds

Spider Mite Damage, more intense Photo credit: James Jacobs, Pierce County Ag Agent Earlier symptoms of spider mite damage Photo credit: Renee Allen, Area Blueberry Agent Recently, this damage has been spotted in highbush fields. The leaves will have this finely speckled brown discoloration.  Usually the presence of spider mites…
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