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Title: Registration of ‘Secretariat’ winter barley

Author
item BROOKS, W - Virginia Polytechnic Institution & State University
item VAUGHN, M - Virginia Polytechnic Institution & State University
item BERGER, G - University Of Arkansas
item GRIFFEY, C - Virginia Polytechnic Institution & State University
item THOMASON, W - Virginia Polytechnic Institution & State University
item PITMAN, R - Virginia Polytechnic Institution & State University
item MALLA, S - Virginia Polytechnic Institution & State University
item SEAGO, J - Virginia Polytechnic Institution & State University
item DUNAWAY, D - Virginia Polytechnic Institution & State University
item RUCKER, E - Virginia Polytechnic Institution & State University
item BEHL, H - Virginia Polytechnic Institution & State University
item BEAHM, B - Virginia Polytechnic Institution & State University
item SCHMALE, D - Virginia Polytechnic Institution & State University
item MCMASTER, N - Virginia Polytechnic Institution & State University
item HARDIMAN, T - Virginia Polytechnic Institution & State University
item CUSTIS, J - Virginia Polytechnic Institution & State University
item STARNER, D - Virginia Polytechnic Institution & State University
item GULICK, S - Virginia Polytechnic Institution & State University
item ASHBURN, S - Virginia Polytechnic Institution & State University
item JONES, E - Virginia Polytechnic Institution & State University
item BROWNING, P - Virginia Polytechnic Institution & State University
item Marshall, David
item Fountain, Myron
item Tuong, Tan
item Kurantz, Michael
item Moreau, Robert
item Hicks, Kevin

Submitted to: Journal of Plant Registrations
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 6/3/2016
Publication Date: 7/28/2016
Citation: Brooks, W.S., Vaughn, M.E., Berger, G.L., Griffey, C.A., Thomason, W.E., Pitman, R.M., Malla, S., Seago, J.E., Dunaway, D.W., Rucker, E.G., Behl, H.D., Beahm, B.R., Schmale, D.G., Mcmaster, N., Hardiman, T., Custis, J.T., Starner, D.E., Gulick, S.A., Ashburn, S.R., Jones, E.H., Browning, P.W., Marshall, D.S., Fountain, M.O., Tuong, T.D., Kurantz, M.J., Moreau, R.A., Hicks, K.B. 2016. Registration of ‘Secretariat’ winter barley. Journal of Plant Registrations. 10(3):217-222.

Interpretive Summary: A new winter barley variety, named ‘Secretariat’ was developed for barley production in the eastern U.S. It is a high-yielding variety, with wide adaptation.

Technical Abstract: Secretariat’ (PI 673931) is a six-row hulled winter feed barley (Hordeum vulgare L.) cultivar developed by the Virginia Agricultural Experiment Station and released in May 2014. Secretariat, formerly designated VA08B-85, was derived from the cross VA00B-199 / VA00B-259 and was developed using a modified bulk breeding method. It was selected and released primarily for its excellent grain-yield potential in Virginia and the mid-Atlantic region of the eastern United States in combination with its resistance to leaf rust (caused by Puccinia hordei G. Otth) and powdery mildew (caused by Blumeria graminis (DC.) E.O. Speer f. sp. hordei Em. Marchal). It was evaluated from 2012 to 2015 in the Virginia Official Variety Trials at five to six locations. Secretariat’s average grain yield (5907 kg ha-1) was higher than the check cultivars Atlantic, Price, Callao, Nomini and Wysor and similar to Thoroughbred. Average grain volume weight of Secretariat (61.1 kg hL-1) was similar to the check cultivars Thoroughbred, Atlantic, Price, Callao and higher than Nomini and Wysor. Head emergence of Secretariat is 6 d earlier than Thoroughbred (the predominant barley cultivar grown in Virginia and the eastern United States) and similar to that of Price. Earlier maturity is a primary factor determining whether barley or wheat (Triticum aestivum L.) is used in double-cropping systems with soybean (Glycine max L.). Grain of Secretariat had an average starch concentration (56.9%) that was higher than Price and Callao, similar to Atlantic, but lower than Thoroughbred. Secretariat provides barley producers and end users in the eastern U.S. with a high yielding, widely adapted, early maturing winter barley cultivar that has good grain quality and is highly resistant to leaf rust (caused by Puccinia hordei G. Otth) and powdery mildew (caused by Blumeria graminis (DC.) E.O. Speer f. sp. hordei Em. Marchal) based on its performance in state and uniform winter barley yield trials.