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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 639921'Ulen'Triticum aestivum L. subsp. aestivum Minnesota, United StatesPVPONot Available2005DEVELOPED2005CultivarHas erect juvenile plant growth, a recurved flag leaf, white glumes with oblique shoulder and acuminate beak. Spike is awned, mid-dense and tapering. Kernel is red and ovate in shape with angular cheeks and narrow, mid-deep crease. The brush on the kernel has a collar and is medium in length. Relatively early maturing and produces spikes 2.3 d earlier than HJ98. Averages 87 cm for plant height. Has medium straw strength and a lodging rating of 2.5 when scored on a scale of 0 (erect) to 9 (lodged) in 21 environments at which lodging occurred from 2000 through 2004. Moderately susceptible to Fusarium head blight (FHB, caused primarily by Fusarium graminearum) in misted, inoculated field nurseries. In 11 FHB nurseries from 2001 through 2004, Ulen averaged 32% diseased spikelets, 22% visually scabby kernels (VSK), and 12.6 mg kg-1 of the mycotoxin deoxynivalenol (DON). Resistant to currently prevalent races of stem rust (caused by Puccinia graminis) as seedlings in greenhouse tests and as adults in field tests with the same races. Moderately resistant to prevalent races of leaf rust (caused by Puccinia triticina). Had an average grain volume wt. of 783 kg m-3, grain protein of 146 g kg-1, and load volume of 211 cm3. Compared to HJ98, Ulen is 15 kg m-3 higher in grain volume wt, 10 g kg-1 higher in grain protein, and 4% greater in loaf voluem. Ulen's average mixograph score was 3.2 on a 1-9 scale (1=weakest, 9=strongest). Moderately susceptible to preharvest sprouting.1683280PI 639921