Federal Register #2026-17596

Regulatory Determination for Blight-Tolerant Darling 54 American Chestnut

The Department of Agriculture, Animal and Plant Health Inspection Service (APHIS) has issued a notice regarding the regulatory status of the genetically engineered Darling 54 American Chestnut. - Government Buyer: - Department of Agriculture - Animal and Plant Health Inspection Service (APHIS) - OEM/Developer: - State University of New York College of Environmental Science and Forestry - Product/Organism: - Darling 54 American Chestnut (Castanea dentata) - Engineered for tolerance to the fungal pathogen Cryphonectria parasitica - Notable Requirements: - Determination based on submitted scientific data, plant pest risk assessment, and public comments - No procurement of products, part numbers, or quantities requested - Regulatory change: Darling 54 American Chestnut is no longer considered regulated - Supporting documents and written determination are made available for public review

Description

This notice announces the determination that the genetically engineered Darling 54 American Chestnut, developed for tolerance to the fungal pathogen Cryphonectria parasitica, is no longer considered regulated. The determination is based on evaluation of data submitted by the State University of New York College of Environmental Science and Forestry, scientific data, a plant pest risk assessment, and public comments. The notice provides availability of the written determination and supporting documents. The change in regulatory status is recognized as of August 28, 2026.

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