USDA ACCESSION No.: 21498

SELECTION: no published information available

GENUS: humulus

SPECIES: lupulus

CULTIVAR: Yeoman

PEDIGREE: no published information available

PRIMARY SITE: USDA-OSU Hop Research Farm, Corvallis, OR.

ORIGIN: seedling selection from a cross made at Wye College, England in the 1970s.

DATE RECEIVED: spring 1987

METHOD RECEIVED: rhizomes

AVAILBILITY: no restrictions, commercial variety

REFERENCES: Neve, R.A., and P. Darby. Wye College Annual Report of Hop Research, 1983, page 39.

Neve, R.A. Hops. Chapman and Hall, London, New York, 1991.

MATURITY: early to medium early

LEAF COLOR: green

SEX: female

DISEASES: Downy mildew: resistant

Powdery mildew: resistant

Verticillium wilt: resistant

Viruses: free of all major hop viruses when received

VIGOR: fair to good in Corvallis, good in England

YIELD: fair, 800 to 1,500 lbs/acre in USDA test plots at Corvallis

SIDE ARM LENGTH: 12 to 24 inches

ALPHA ACIDS: 12 to 16%

BETA ACIDS: 4 to 5%

COHUMULONE: 25%

STORAGE STABILITY: very good, retained over 80% of its original alpha acids after 6 months room temperature storage.

OIL: 1.7 to 2.4 ml/100 g. Humulene 19.8%; caryophyllene 9.5%; Myrcene 47.9%; farnesene trace. H/C ratio = 2.64

MAJOR TRAITS: very high alpha acids content, resistance to both powdery and downy mildew, as well as to verticillium wilt.

OTHER INFORMATION: Valuable for breeding high alpha disease resistant hops.

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