Filtering by tag: fungicide

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Impact of Ammonium Sulfate as a Water Conditioning Agent on Fungicide Performance Peanut Notes No. 6 2026

This past summer, Dylan asked if ammonium sulfate as a water conditioner (similar to what is used for prohexadione calcium and foliar-applied herbicides like glyphosate) impacts fungicide…

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Leaf Spot Incidence and Fungicide Curative Activity Peanut Notes No. 246 2025

Question:If we see 20-30% leaf spot infestation, is there still time for a benefit from a curative application?Jordan:Yes. Provost Sliver alone or with micronized sulfur.*infestation is measured as…

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Fungicide Use Peanut Notes No. 243 2025

Question:About half my peanut crop got a half inch of rain Saturday night. The other half did not and we don’t have much of a chance for any in the next week. I’ve stretched the Miravis/Elatus on my…

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Leaf Spot Fungicide Question Peanut Notes No. 225 2025

Question:What are your leaf spot materials of choice currently?Jordan:There are a lot of ways to get there now, but we use a lot of Provost Silver. But Priaxor, Revytec and Lucento are good.…

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Fungicides for Stem Rot, Leaf Spot, and Sclerotinia Blight Peanut Notes No. 224 2025

Question:We have some peanut fields with history of Sclerotinia blight but have not seen any yet, They do have a lot of white mold. What do you think about using Miravis + Fluazinam to be proactive…

Table listing approximate rainfast times for selected fungicides, ranging from "1 hour" to "When dry," with specific conditions noted for Provost Silver.

Rain-Free Period for Fungicides and Prohexadione Calcium Peanut Notes No. 213 2025

Just in case it was overlooked, Dr Anco included a table with the rain-free period for many of the fungicides we use. I’ve provided it here. Based on that table, if you get a few hours without rain…

Table listing approximate rainfast times for selected fungicides, ranging from "1 hour" to "When dry," with specific conditions noted for Provost Silver.

Dan Anco Comments August 8 Peanut Notes No. 212 2025

The following comments are from Dan Anco at Clemson.Cooler conditions and rain have brought a reprieve from the heat of recent previous weeks. Warm days moving forward will be helpful to fill out…

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Fungicide and Insecticide Sprays Under Hot Conditions Peanut Notes No. 175 2025

Question:With the high temps this weekend do you think it would better to wait to spray fungicide and insecticide when it cools down?Jordan:I would not wait if it is time to spray. Not sure when it…

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Fungicides After Delays in Spraying Peanut Notes No. 168 2025

Question:I was planning to spray chlorothalonil at 24 oz. on my peanuts for the first leaf spot spray, at least a week ago.Rain has kept me out and still haven’t got them sprayed for the first time.…

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Herbicide and Fungicide Mixes Peanut Notes No. 154 2025

Moving into July and early August, there is the potential to apply herbicides in the same tank with fungicides. Here are some general findings from previous research. Note that Clethodim and 2,4-DB…