Filtering by tag: Chlorpyrifos

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Chlorpyrifos in Peanut Peanut Notes No. 20 2025

Our understanding is that granular chlorpyrifos can be used in peanuts through June 2025. The product must have appropriate labels to be used. DO NOT apply a liquid product. The use of a liquid…

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Chlorpyrifos Use in Peanuts Peanut Notes No. 119 2024

Question:Had someone from a company reach out to me asking about using chlorpyrifos on peanuts in VA. Said he got some new in his warehouse and its labeled for use in peanuts but he wanted to make…

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Granular and Liquid Formulations of Chlorpyrifos Peanut Notes No. 46 2024

Years ago, Rick and Ames Herbert reported that liquid Lorsban incorporated in soil at a shallow depth suppressed southern corn rootworm as well as pegging applications. See this article:Brandenburg,…

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Chlorpyrifos Products Peanut Notes No. 45 2024

The e-mail link below has information from Rick and Brian on products that can be used legally on peanuts in 2024. Note Rick's comments on liquid products.North Carolina State University Mail - Re_…

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Stocks of Some Chlorpyrifos Products Can Be Used in 2024 on Peanut Peanut Notes No. 44 2024

Jordan question to NCDA&CS Pesticide Division:Several extension specialists in peanuts have been trying to determine if Lorsban or any other granular product containing chlorpyrifos can be used…

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Status of Chlorpyrifos (Lorsban) in Peanut Rick Brandenburg Peanut Notes No. 2 2024

Chlorpyrifos (Lorsban) in PeanutsRick BrandenburgDepartment of Entomology and Plant Pathology, NC State UniversityIn 2021, the EPA made a decision to revoke all tolerances of chlorpryifos (Lorsban)…

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Chlorpyrifos, Stocks of Lorsban in Grower's Hands Peanut Notes No. 190 2021

I’ve been asked what growers need to do with Lorsban they did not use in 2021. In some cases when a product is discontinued there is what could be considered a grace period in that product in the…

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Chlorpyrifos, the Active Ingredient in Lorsban Peanut Notes No. 189 2021

David,I do not know if you received this, but it probably should go out as a peanut note with an * to make sure everyone realizes this is Lorsban.Rick---------- Forwarded message --------- From:…