USDA ACCESSION NO.: 21225

SELECTION: Seedling selection from a cross between the USDA breeding line 6619-04 and the USDA male 64028M made at Prosser, WA in 1974 by C. E. Zimmermann.

GENUS: Humulus

SPECIES: lupulus

CULTIVAR: Olympic

PEDIGREE: 6619-04 x 64028M; [Brewer's Gold2 x Fuggle-Fuggle S] x [Brewer's Gold2 x East Kent Golding - Bavarian Seedling]. Genetic composition is 3/4 Brewer's Gold, 3/32 Fuggle, 1/16 East Kent Golding, 1/32 Bavarian, and 1/16 unknown.

PRIMARY SITE: USDA World Hop Variety Collection, OSU East Farm

ORIGIN: Cross made at Prosser, WA, in 1974 by C. E. Zimmermann

DATE RECEIVED: Spring 1980

METHOD RECEIVED: Rhizomes

AVAILABILITY: Commercial cultivar, no restrictions

REFERENCES: Kenny, S. T., and C. E. Zimmermann. Registration of Olympic hop (Registration No. 14). Crop Sci. 24:618-619. 1984.

Romanko, R. R. In: Steiner's Guide to American Hops, 2nd. ed. 1986.

MATURITY: Medium to medium late ~

LEAF COLOR: Medium green

SEX: Female; produces some sterile male flowers in certain

DISEASES: Downy Mildew: moderately resistant

Verticillium wilt: resistant

Viruses: free of prunus necrotic ringspot and apple mosaic virus, carries hop mosaic and American hop latent virus

VIGOR: Very good

YIELD: 1600-2200 1bs/acre

SIDE ARM LENGTH: 18-36 inches

ALPHA ACIDS: 13.0 (5-year range: 10.6 to 13.8)

BETA ACIDS: 5.5% (5-year range: 3.8 to 6.1)

COHUMULONE: 31%

STORAGE STABILITY: Fair to good

OIL: 1.64 ml/100 g (5 year range: 0.86 to 2.55)

MAJOR TRAITS: High alpha-acids content

OTHER INFORMATION: Considered a super alpha hop by the trade. Primarily adapted to Washington. Does not produce well in Oregon. Accounted for about 1% of total U.S. production in 1986 (536 000 lbs): 1997 production: 249,500 lbs, all in Washington.

Copyright ©2012 Oregon State University
Disclaimer
For question, contact Dr. Shaun Townsend