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Broad Mites

Broad mites are back (and have been for a while) and they have become common in the fall. Some fields have been treated twice and still have mites. Some have been cleaned up successfully. First – a couple of reminders: Do not put a sticker with Agri-Mek (also no chlorthalonil…
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Chlorpyrifos (Lorsban) Revocation of Tolerances

We have received many questions about Lorsban in the last week. EPA has provided a prepublication version of the final rule which will revoke all food tolerances. Some changes are possible, but not likely. Upon publication, all food tolerances for chlorpyrifos will be cancelled 6 months later (again, some changes…
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Protecting Honey Bees While Controlling Spider Mites

I received a question this week about spraying for spider mites and protecting honey bees. First and foremost, spider mite problems are frequently a result of repeated application of broad-spectrum insecticides. Don’t apply these products without a specific need. That said, spider mites have become a more consistent problem in…
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Potential Options for Managing Frost-damage in Vegetable Crops (Coolong and Dutta) Because of the potential for an upcoming frost this week on newly planted vegetable transplants we are sure you are getting questions from concerned growers.  I have attached a link to a publication on frost and freeze protection https://secure.caes.uga.edu/extension/publications/files/pdf/B%201479_1.PDF  that,…
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Resistance to FRAC Group 11 fungicides (Quadris and Cabrio) in fungus causing cucurbit anthracnose in GA

We have detected insensitivity of Colletotrichum sp. (causal agent of anthracnose of cucurbits) to FRAC group 11 fungicides (Quadris and Cabrio) in multiple commercial fields in GA. Further confirmation in our lab indicated that 70 to 80% of the isolates are either highly resistant or moderately resistant to Quadris and Cabrio. These…
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