USDA ACCESSION NO.: 21093
SELECTION: Not applicable
CULTIVAR: Northern Brewer
PEDIGREE: Canterbury Golding x OB21. OB21 - a seedling raised in 1934 by Prof. Salmon at Wye Collee came from a cross made the previous year between Brewer's Gold (19001) x American male OY1.
PRIMARY SITE: USDA World Hop Cultivar Collection, OSU East Farm,Corvallis
ORIGIN: Heat treated/meristem tip cultured USDA 64107 by C.B. Skotland at Prosser, WA in 1974
DATE RECEIVED: 1974; USDA Accession No. assigned in 1974.
METHOD RECEIVED: Rooted softwood cuttings
AVAILABILITY: No restrictions, commercial variety
REFERENCES: Salmon, E.S. Four seedlings of the Canterbury Golding. Leaflet, Wye College, England. 8 pp. 1944.
Burgess, A.H. Hops. Interscience Publishers, New York,NY. 1964. p 46.
Neve, R.A. Hops. p. 203. Chapman and Hall, London, NewYork. 1991.
USDA Annual Report for Hop Research 1974, pp. 15-20.
LEAF COLOR: Medium to dark green
DISEASES: Downy Mildew: moderately resistant
Verticillium wilt: resistant
Viruses: free of Prunus Necrotic Ringspot and AppleMosaic; infected with Hop Mosaic and Hop Latent viruses. Probably free of AmericanHop Latent virus, since it has not been exposed to this virus on a large scale.
VIGOR: Poor to moderate
YIELD: Low, 800-1200 lbs/acre
SIDEARM LENGTH: 12-20 inches
ALPHA ACIDS: 10.6% (7-year range 13.5-8.8%)
BETA ACIDS: 4.2% (7-year range 3.4-5.2%)
STORAGE STABILITY: Very good (retained 78% of original alpha acids after 6 months room temperature storage)
OIL: 1.60 ml/100 g (7-year range 1.0 to 2.1 ml per 100 g)
MAJOR TRAITS: Resistant to Verticillium wilt, susceptible to powdery mildew (Sphaerotheca humuli).
OTHER INFORMATION: Not grown commercially in the U.S. because of low yields. Grown extensively in Europe, particularly Germany, Belgium, Spain(called Hybrid 7 in Spain); virtually identical to USDA 64107, except for slightly higher soft and apple mosaic viruses.