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Boron and Manganese sifficiency levels and application guidelines from the production guide.

Dan Anco Clemson Comments Peanut Notes No. 143 2025

The following are recent comments from Dan Anco at Clemson.Coming into July, much of the crop ranges in age from about close to a month old to 50 to 70 days old. More than a third of the crop is…

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Weed Control With Cadre Peanut Notes No. 142 2025

Question:We applied Cadre about 8-10 days ago. Have seedling pitted morningglory and spurred anoda today. Will root uptake control those if we get rain later today?Jordan:I suspect the plants are…

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Cadre Drift on Soybean Peanut Notes No. 141 2025

Question:Will Cadre drift hurt soybeans? Jordan:It should not have a major impact at drift rates. Cadre and Pursuit were both candidates for use in soybeans when they were developed, I think. I would…

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Mixing Cadre, Manganese, Insecticide, and Fungicide Peanut Notes No. 140 2025

Question:Have some Valencia peanuts. First fungicide spray is needed. Can I add 3 ounces Cadre?Tank mixture would include:3 oz Cadre6.4 ounces bifenthrin for leaf hoppers 1/2 rate of manganese 5.5…

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Manganese and Nitrogen Deficient Peanuts Peanut Notes No. 138 2025

I recently received images of peanuts that had only 5 nodules on the taproot (entire root system) and manganese deficient peanuts. Here are my responses.ManganeseAny chance this soil has high pH.…

Yellow and brown spots on leaves.

Tomato Spotted Wilt Peanut Notes No. 139 2025

Someone sent an image of a peanut plant with symptoms of this disease. Here was my response:This is tomato spotted wilt that is caused by a virus that is transmitted by the insect pest thrips. There…

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Potassium and Excess Rain Peanut Notes No. 137 2025

Question:Some some areas have had tremendous rainfall to date this season. I am curious how to approach making the decision to add more potash to peanuts. We are seeing potash deficiency in most…

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Nutsedge Control Peanut Notes No. 136 2025

Question:I asked earlier about a field with severe nutsedge, yellow and purple. The grower applied the Gramaxone plus Basagran when peanuts were small and followed with the Cadre a couple of weeks…

R3 Stage of Peanut Growth.

Initiating Fungicide Sprays Peanut Notes No. 135 2025

The first fungicide spray should be applied at the R3 stage of peanut development but no later than July 10 regardless of peanut growth stage. Chlorothalonil is often the fungicide of choice. Other…

Manganese deficiency shown in the yellowing of leaves.

Yellow Peanuts Peanut Notes No. 134 2025

The following images are examples of different stresses that can cause peanuts to be yellow. Approaches to addressing these issues can be found in 2025 Peanut Information and other Peanut…