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United States Department of Agriculture

Agricultural Research Service

Research Project: CHARACTERIZATION OF STRESS RESISTANCE GENES AND MECHANISMS, & IMPROVEMENT AND GENOTYPING OF WHEAT AND BARLEY GERMPLASM FOR THE WESTERN U.S.

Location: Wheat Genetics, Quality Physiology and Disease Research

Title: Registration of “Cara” soft white winter club wheat

Authors
item GARLAND-CAMPBELL, KIMBERLY
item ALLAN, ROBERT
item Anderson, James -
item Burke, Adrienne
item Blake, Nathan -
item Hoagland, Chris
item Walker, Carl -
item Chatelain, Jeron -
item Little, Lynn
item Pritchett, John
item CHEN, XIANMING
item MORRIS, CRAIG
item SEE, DEVEN
item Guy, Stephen -
item Murray, Timothy -
item ENGLE, DOUGLAS
item Wetzel, Henry -
item Wood, David

Submitted to: Journal of Plant Registrations
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: July 2, 2012
Publication Date: November 2, 2012
Citation: Garland Campbell, K.A., Allan, R.E., Anderson, J., Burke, A.B., Blake, N., Hoagland, C.D., Walker, C., Chatelain, J., Little, L.M., Pritchett, J.A., Chen, X., Morris, C.F., See, D.R., Guy, S., Murray, T., Engle, D.A., Wetzel, H., Wood, D.A. 2012. Registration of “Cara” soft white winter club wheat. Journal of Plant Registrations. 7:81-88 doi:10.3198/jpr2012.01.0005crc.

Interpretive Summary: We developed a new soft white winter club wheat cultivar named Cara that is targeted for the intermediate to high rainfall environment of the dryland wheat production zones of Washington, Oregon and Idaho. Cara has earlier maturity and is shorter than currently grown club wheat cultivars. It is competitive with other soft white wheat cutlivars and has high levels of resistance to stripe rust and strawbreaker foot rot diseases, which are prevalent in the targeted production zone. Cara has excellent milling and baking quality that will improve the quality of the soft white wheat crop and that is desired in export markets.

Technical Abstract: Club wheat (Triticium aestivum ssp. compactum) is an important component of the export grain market for the Pacific Northwest. Our objective was to develop a club wheat cultivar with resistance to stripe rust (Puccinia striiformis, f. sp. tritici Westend) and strawbreaker foot rot Oculimacula yallundae Crous & W. Gams (Wallwork & Spooner), and the end-use qualities that make club wheat a specialty product. The bulk pedigree breeding method was used to select Cara (Reg. No._____; PI______) from the cross WA7752//WA6581/WA7217, made in 1992. Cara is a semi-dwarf wheat with the Rht-D1b dwarfing allele. Cara has winter hardiness equal to that of other club wheat cultivars Bruehl, Chukar, and Coda, but less than the soft white wheat cultivars Eltan or ‘Masami’ (PI634715). Cara was evaluated in multi-environment replicated plot trials in the Washington since 2003. Grain yields were among equal to or better than other club and soft white cultivars in the 30-40cm and the 40-50cm annual precipitation zones. The milling, and baking quality of Cara was equal to the best club wheat check cultivars. Cara is resistant to all prevalent races of stripe rust prevalent since 2001, possessing Yr17 and unknown genes for stripe rust resistance. It is also resistant to strawbreaker foot rot, possessing Pch1. Cara provides growers with an agronomically competitive cultivar with resistance to stripe rust and strawbreaker foot rot plus excellent club wheat end use quality.

Last Modified: 7/28/2014
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