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CULTIVARS

Registration of ‘Mace’ Hard Red Winter Wheat

^a USDA-ARS, 314 Biochemistry Hall, East Campus, Univ. of Nebraska, Lincoln, NE 68583
^b Dep. of Crop and Soil Science, Oregon State Univ., Corvallis, OR 97331
^c Dep. of Agronomy and Horticulture, Univ. of Nebraska, Lincoln, NE 68583
^d USDA-ARS, Cereal Disease Lab., Univ. of Minnesota, St. Paul, MN 55108
^e USDA-ARS, Hard Winter Wheat Quality Lab., Manhattan, KS 66502
^f Panhandle Research and Extension Center, Univ. of Nebraska, Scottsbluff, NE 69361
^g Western Kansas Agricultural Research Center, Kansas State Univ., Hays, KS 67601
^h Dep. of Biology, Univ. of Leicester, Leicester, UK LE1 7RH
ⁱ current address: Dep. of Soil and Crop Sciences, Texas A&M Univ., College Station, TX 77843
^j current address: USDA-ARS, Washington State Univ., Pullman, WA 99164

^* Corresponding author (bob.graybosch{at}ars.usda.gov).

ABSTRACT

‘Mace’ (Reg. No. CV-1027, PI 651043) hard red winter wheat (Triticum aestivum L.) was developed by the USDA-ARS and the Nebraska Agricultural Experiment Station and released in December 2007. Mace was selected from the cross Yuma//PI 372129/3/CO850034/4/4*Yuma/5/(KS91H184/Arlin S//KS91HW29/3/NE89526). Mace primarily was released for its resistance to Wheat streak mosaic virus (WSMV) and adaptation to rainfed and irrigated wheat production systems in Nebraska and adjacent areas in the northern Great Plains. Mace was derived from a head selection made from a heterogeneous, in terms of field resistance to WSMV, F₅ line. Resistance to WSMV is conditioned by the Wsm-1 gene, located on an introgressed chromosome arm from Thinopyrum intermedium (Host) Barkworth & D.R. Dewey [Agropyron intermedium (Horst.) Beauv.] present as a 4DL.4AgS chromosomal translocation. Mace was tested under the experimental designation N02Y5117.

Abbreviations: NRPN, Northern Regional Performance Nursery • PCR, polymerase chain reaction • WSBMV, Wheat soilborne mosaic virus • WSMV, Wheat streak mosaic virus