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CULTIVARS

Registration of ‘CDC Lophy-I’ Barley

Crop Development Centre, Dep. of Plant Sciences, Univ. of Saskatchewan, 51 Campus Dr., Saskatoon, SK, Canada, S7N 5A8

^* Corresponding author (aaron.beattie{at}usask.ca).

ABSTRACT

‘CDC Lophy-I’ (Reg. No. CV-339, PI 653112; CN 111360; CFIA Reg. No. 6335; Canadian PBR Appl. No. 06–5470) is a two-rowed spring hulless feed barley (Hordeum vulgare L.) developed at the Crop Development Centre (CDC), University of Saskatchewan, Saskatoon, SK, Canada. CDC Lophy-I was tested as SR03044 in CDC yield trials from 2003 to 2004 before being evaluated from 2004 to 2005 in the Western Canadian Hulless Barley Cooperative Tests as HB379. CDC Lophy-I is the first commercial barley variety containing the lpa3-1 gene, which results in a 60 to 65% reduction in seed phytate compared with conventional barley varieties. This is the lowest seed phytate content of any currently registered barley variety worldwide. Additionally, CDC Lophy-I combines good kernel weight and strong straw with low Fusarium head blight (incited by Fusarium graminearum Schwabe) deoxynivalenol accumulation and resistance to loose smut [incited by Ustilago nuda (Jens.) Rostr.].

Abbreviations: AAFC, Agriculture and Agri-Food Canada • CDC, Crop Development Centre • CRC, Cereal Research Centre • DON, deoxynivalenol • FHB, Fusarium head blight • RCBD, randomized complete block design