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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/Plant Science and Entomology Research Unit, Kansas State Univ., 4008 Throckmorton Hall, Manhattan, KS 66506
d USDA-ARS/Wheat Genetics, Quality, Physiology and Disease Research Unit, Washington State Univ., Pullman, WA 99164
e USDA-ARS/Cereal Disease Lab., 1551 Lindig St., Univ. Minnesota, St. Paul, MN 55108
f USDA-ARS/Grain Marketing and Production Research Center, 1515 College Ave., Manhattan, KS 66502. Research supported in part by the Colorado Wheat Administrative Committee, USDA-CSREES Special Research Grants Nos. 2003-34205-13636 and 2006-34205-17358, and the National Research Initiative of USDA's Cooperative State Research, Education and Extension Service CAP Grant No. 2006-55606-16629
* Corresponding author (scott.haley{at}colostate.edu).
ABSTRACT
Thunder CL (Reg. No. CV-1031, PI 655528) hard white winter wheat (Triticum aestivum L.) was developed by the Colorado Agricultural Experiment Station and released in August 2008 through a marketing agreement with the Colorado Wheat Research Foundation. In addition to researchers at Colorado State University (CSU), USDA–ARS researchers at Manhattan, KS, St. Paul, MN, and Pullman, WA, participated in the development of Thunder CL. Thunder CL was selected from the cross KS01-5539/CO99W165 made in 2000 at Fort Collins, CO. KS01-5539 is an unreleased experimental line from Kansas State University with the pedigree FS2/KS97HW150//KS97HW349, and CO99W165 is an unreleased experimental line from CSU with the pedigree KS92WGRC25/Halt. Thunder CL was derived from a population advanced from the F2 to F4 by single-seed descent. Thunder CL was selected as an F4:5 line in September 2003 and assigned experimental line number CO03W239. Thunder CL was released because of its superior grain yield under nonirrigated and irrigated production conditions in eastern Colorado, it carries the Als1 gene for tolerance to imazamox herbicide, it is moderately resistant to wheat streak mosaic virus, stripe rust (Puccinia striiformis f. sp. tritici), and stem rust (P. graminis f. sp. tritici), and it has superior milling and bread baking quality.
Abbreviations: CSU, Colorado State University PPO, polyphenol oxidase SRPN, Southern Regional Performance Nursery
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