Browsing by Author "Dill-Macky, R."

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    Registration of ‘Quest’ spring malting barley with improved resistance to Fusarium head blight
    (Journal of Plant Registrations, 2013-01-25) Steffenson, Brian; Smith, K.P.; Budde, A.; Dill-Macky, R.; Rasmusson, D.C.; Schiefelbein, E.; Wiersma, J.J.; Wiersma, J.V.; Zhang, B.
    ‘Quest’ (Reg No. CV-348, PI 663183) is a spring, six-rowed, malting barley (Hordeum vulgare L.) released by the Minnesota Agricultural Experiment Station in January 2010 on the basis of its improved resistance to Fusarium head blight [FHB; caused by Fusarium graminearum Schwabe; teleomorph Gibberella zeae (Schwein) Petch]. Quest was developed over three breeding cycles of selection for yield, malting quality, and FHB resistance. Disease resistance traces to the Midwest cultivar MNBrite and the two-rowed accession from China Zhedar1. Quest has about half the level of disease and about 40% less of the associated mycotoxin, deoxynivalenol, compared to the historically important cultivar in the region ‘Robust’. Quest is similar in yield to the current dominant varieties in the region and was approved as a malting variety by the American Malting Barley Association.
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    Registration of ‘Rasmusson’ barley
    (Journal of Plant Registrations, 2010-09) Steffenson, Brian; Smith, K.P.; Rasmusson, D.C.; Schiefelbein, E.; Wiersma, J.J.; Wiersma, J.V.; Budde, A.; Dill-Macky, R.
    ‘Rasmusson’ (Reg. No. CV-345, PI 658495) is a spring, six-rowed, malting barley (Hordeum vulgare L.) released by the Minnesota Agricultural Experiment Station in January 2008. It was named after Donald Rasmusson, who worked as a barley breeder at the University of Minnesota from 1958 to 2000. Rasmusson has the pedigree M95/‘Lacey’ and is the product of advanced cycle breeding derived from crosses among elite breeding lines within the University of Minnesota breeding program. Rasmusson was released based on its superior yield performance across the Upper Midwest of the United States and surrounding regions in Canada and favorable malting quality, in particular, high malt extract. Rasmusson is resistant to spot blotch [caused by Cochliobolus sativus (Ito and Kuribayashi) Drechs. ex Dastur] and the prevalent races of stem rust (caused by Puccinia graminis Pers.: Pers. f. sp. tritici Erikss. & E. Henn).