USDA ACCESSION NO.: 56002

SELECTION: Not applicable

GENUS: Humulus

SPECIES: lupulus

CULTIVAR: Backa

PEDIGREE: Unknown land race from Yugoslavia (Backa Region); Received from John I. Haas Alluvial Hop Farm, Independence, Oregon

PRIMARY SITE: USDA World Hop Cultivar Collection, OSU East Farm, Corvallis

ORIGIN: Yugoslavia

DATE RECEIVED: 1956

METHOD RECEIVED: Rhizomes

AVAILABILITY: Commercial cultivar, no restrictions

REFERENCES: USDA Hop Accession No. Listing for 1956 (Numbers assigned by S.N. Brooks, USDA Hop Investigations Leader).

Kisgeci, Jan. Chmeliarske Pohladnice (History of Hop Growing in Vojvodina). Novi Sad. 1979 (English Summary pp. 156-165).

Wagner, T. Gene Pools of Hop Countries. 1978. p. 68.

Kisgeci, Jan, Andrej Mijavec, M. Acimovic, P. Spevak, and Novica Vucic. 1984. Hmeljarstvo. 374 pp. (English summary). Poljoprivredni Fakultet, Univ. Novi Sad, Yugoslavia.

MATURITY: Late

LEAF COLOR: Light green

SEX: Female

DISEASES: Downy Mildew: moderately susceptible

Verticillium wilt: unknown, probably tolerant

Viruses: unknown

VIGOR: Good to very good

YIELD: Fair to good in U.S. trials, very good in Yugoslavia

SIDEARM LENGTH: 12-30 inches

ALPHA ACIDS: 4.8% (8-year range 3.1-6.9%)

BETA ACIDS: 6% (8-year range 4.0-7.4%)

COHUMULONE: 25%

STORAGE STABILITY: Good (67% of original alpha acids remaining after 6 months room temperature storage)

OIL: 0.60 ml/100 g (8-year range 0.39-1.0); H/C ratio 3.28; humulene 33%

MAJOR TRAITS: High yield potential in Yugoslavia but poorly adapted in many other parts of the world; good aroma properties, similar to established European "Noble Aroma" hops.

OTHER INFORMATION: Alpha acids content in the Backa Region of Yugoslavia has dropped dramatically in recent years to as low a 1%. The reasons are unknown but probably not due to viruses since spot tests by ELISA have revealed low virus titers. This hop is probably identical to USDA 21080.