USDA ACCESSION NO.: 21093

SELECTION: Not applicable

GENUS: Humulus

SPECIES: lupulus

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.

MATURITY: Early

LEAF COLOR: Medium to dark green

SEX: Female

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%)

COHUMULONE: 24%

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.



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