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CULTIVARS

Registration of ‘Desperado’ Six-Row Barley

AAFC-Brandon Research Center, Box 1000A, RR 3, 18th and Grand Valley Rd., Brandon, MB R7A 5Y3, Canada

^* Corresponding author (mtherrien{at}agr.gc.ca).

ABSTRACT

‘Desperado’ six-row barley [Hordeum vulgare ssp. vulgare L.] (Reg. No. CV-340; PI 654069) was developed and released by Agriculture and Agri-Food Canada Brandon Research Centre as a dual-purpose forage and feed cultivar in April 2008. It was derived from a complex cross with the Brandon composite cross BR CC 053 as base parent and evaluated in 20 field tests in western Canada. Desperado is adapted to the Parkland region of western Canada with high grain and dry matter yield potential and good grain test weight. Desperado has 6% higher dry matter yield than ‘AC Ranger’ and similar grain yield and test weight to AC Ranger. Desperado is resistant to several important barley diseases including stem rust (Rpg1 resistance gene) and the surface-borne smuts, as well as moderate resistance to spot blotch (Cochliobolus spp.) and common root rot [caused by Cochliobolus sativus (Ito and Kuribayashi,) Dreschs. ex Dastur.].

Abbreviations: AAFC, Agriculture and Agri-Food Canada • MSFRS, male sterile facilitated recurrent selection • PRCOB, Prairie Registration Recommending Committee for Oats and Barley