USDA ACCESSION NO.: 21239
SELECTION: Seedling selection made by Dr. Tone Wagner at Zalec, Yugoslavia (Slovenia) in the mid- to late 1970's
GENUS: Humulus
SPECIES: lupulus
CULTIVAR: Bobek
PEDIGREE: Northern Brewer x Yugoslavian male TG
PRIMARY SITE: USDA-ARS World Hop Cultivar Collection, Corvallis, Oregon, OSU East Farm
ORIGIN: Seedling selection
DATE RECEIVED: April 3, 1980
METHOD RECEIVED: Rhizomes
AVAILABILITY: No restrictions, commercial cultivar
REFERENCES: USDA-ARS Annual Report of Hop Investigations for 1980, pp. 41, 43.
Kralj, D., and Tone Wagner. New Slovene hop cultivars, Blisk, Bobek, and Buket. Institute for Hop and Brewing Research, Zalec, 1980 (mimeographed report).
Kralj, D. Hop Breeding in Slovenia (in German). Report presented at the Scientific Commission, IHB, Novi Sad, Yugoslavia, 1984.
J. Kisgeci, A. Mijavek, M. Acimovic, P. Spevak, and N. Vucic. 1984. Hmeljarstvo. pp. 126-138. Inst. za Ratarstvoi Povrtarstvo, Novi Sad.
MATURITY: Medium to medium early
LEAF COLOR: Dark green
SEX: Female
DISEASES: Downy Mildew: moderately resistant
Verticillium wilt: resistant
Viruses: unknown
VIGOR: Fair
YIELD: Poor (about 800 lbs/acre in Oregon test plots)
SIDEARM LENGTH: 12-20 inches
ALPHA ACIDS: 8.1% (10-year range 6.0 to 9.3%)
BETA ACIDS: 5.0% (10-year range 4.0 to 6.6%)
COHUMULONE: 26%; colupulone 48%
STORAGE STABILITY: Fair to good (retained 66% of original alpha acids after 6 months at room temperature)
OIL: 1.4 ml/100 g (10-year range 0.82 to 2.67); humulene 12.4%; caryophyllene 4.3%;farnesene 3.0%. H/C ratio=2.96
MAJOR TRAITS: Pleasant hop aroma, similar to established European aroma hops. Small to medium small cones that are easy to pick.
OTHER INFORMATION: Not yet grown commercially on any significant acreage.