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CULTIVARS

Registration of ‘Ripper’ Wheat

^a Soil and Crop Sciences Dep., Colorado State Univ., Fort Collins, CO 80523
^b Bioagricultural Sciences and Pest Management Dep., Colorado State Univ., Fort Collins, CO 80523
^c USDA/ARS/Grain Marketing and Production Research Center/Hard Winter Wheat Quality Laboratory, 1515 College Ave., Manhattan, KS 66502
^d USDA/ARS/Plant Science and Entomology Research Unit, Kansas State Univ., 4008 Throckmorton Hall, Manhattan, KS 66506
^e USDA/ARS/Cereal Disease Laboratory, 1551 Lindig St., Univ. Minnesota, St. Paul, MN 55108

^* Corresponding author (scott.haley{at}colostate.edu).

ABSTRACT

‘Ripper’ (Reg. No. CV-1016, PI 644222) hard red winter wheat (Triticum aestivum L.) was developed by the Colorado Agricultural Experiment Station and released in August 2006 through an exclusive marketing agreement with the Colorado Wheat Research Foundation. In addition to researchers at Colorado State University, USDA-ARS researchers in Manhattan, KS, and St. Paul, MN, participated in the development of Ripper. Ripper was selected from the cross CO940606/TAM107R-2 made in 1996 at Fort Collins, CO. CO940606 is an unreleased sib-selection of KS94WGRC29 (PI 586954), a germplasm release from Kansas State University with the pedigree PI 220127/P5//‘TAM-200’/KS87H66, while TAM107R-2 is an unreleased sib-selection of the hard red winter wheat cultivar Prairie Red (PI 605390). Ripper was selected as an F_3:4 line (F₃–derived line in the F₄ generation) in 2000 and assigned experimental line number CO00016. Ripper was released because of its superior grain yield performance under nonirrigated production in eastern Colorado and superior milling and bread-baking quality.