U.S. Federal Register

U.S. Grains Council (USGC)

U.S. Wheat Associates

Union Fleurs aisbl

Union française des semenciers (UFS)

Union Française des Semenciers (UFS) *

Union zur Förderung von Oel- und Proteinpflanzen e. V. (UFOP)

Unions de Coopératives Agricoles Val Union

United Kingdom, Ministry of Agriculture

United Soybean Board (USB)

University of Adelaide

University of Arkansas

University of British Columbia

University of California

University of California, Davis

University of East Anglia

University of Edinburgh

University of Florida

University of Göttingen

University of Georgia

University of Ghent

University of Giessen

University of Hohenheim

University of Idaho

University of Illinois

University of Kentucky

University of Maryland

University of Minnesota

University of Missouri

University of Nebraska

University of Queensland

University of Sydney

University of Twente

University of Western Australia (UWA)

University of Wisconsin

Upper Murray Seeds

Uruguayan Association for Plant Breeders Protection (URUPOV)

US Agriseeds

USDA

USDA - Agricultural Marketing Service (AMS)

USDA - Agricultural Research Service (ARS)

USDA - Animal and Plant Health Inspection Service (APHIS)

USDA - Economic Research Service (ERS)

USDA - Foreign Agricultural Service (FAS)

USDA - National Agricultural Statistics Service (NASS)