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United States Department of Agriculture

Agricultural Research Service

Title: Registration of ‘UI Winchester’ Wheat

item Chen, Jianli
item Souza, Edward
item Bosque-perez,, Nilsa
item Guttieri, Mary
item Obrien, Katherine
item Windes, Juliet
item Guy, Stephen
item Brown, Brad
item Chen, Xianming
item Zemetra, Robert

Submitted to: Crop Science
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 5/11/2010
Publication Date: 9/1/2010
Publication URL:
Citation: Chen, J., Souza, E.J., Bosque-Perez,, N., Guttieri, M., Obrien, K., Windes, J., Guy, S., Brown, B., Chen, X., Zemetra, R. 2010. Registration of ‘UI Winchester’ wheat. Crop Science. 4:224-227.

Interpretive Summary: Global initiatives to develop varieties resistant to new races of rust are the first line in defending farmers from crop loss. UI Winchester hard red spring wheat carries resistance to current races of stripe rust and Hessian fly. It is a cultivar for growers in the Pacific Northwest who struggle with these pests. Seed of the publicly released cultivar is available through Idaho Foundation Seed.

Technical Abstract: ‘UI Winchester’ (PI 642362) hard red spring wheat (Triticum aestivum L.) was developed by the Idaho Agricultural Experiment Station and released in July 2009. UI Winchester was released for its improved stripe rust (Puccinia striiformis Westend f. sp. tritici) resistance combined with resistance to Hessian fly (Mayetiola destructor Say), comparable or better yield and end-use quality performance compared with the three widely adapted hard red spring wheat cultivars ‘Jefferson’ (PI 603040), ‘Jerome’ (PI 632712), and ‘Westbred 936’. UI Winchester is named after the town of Winchester, Idaho. It was tested under experimental numbers A9356S and IDO578, and has the pedigree of ‘Westbred 926’/WA7702. UI Winchester is adapted to both irrigated and rainfed conditions, but it is better adapted to the rainfed production systems of the intermountain zone of the Western United States.

Last Modified: 06/27/2017
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