USDA ACCESSION No.: 21278

SELECTION: no information available

GENUS: humulus

SPECIES: lupulus

CULTIVAR: Keyworths Early

PEDIGREE: no information available

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

ORIGIN: selected by Mr, Keyworth in the lat 1800s in England

DATE RECEIVED: spring 1981

METHOD RECEIVED: rhizomes

AVAILBILITY: no restrictions, commercial variety

REFERENCES: Burgess, A.H. Hops. Leonard Hill Books, Interscience Publishers. New York, London. 1964

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

MATURITY: early

LEAF COLOR: light green

SEX: female

DISEASES: downy mildew: moderately suceptible

Verticillium wilt. resistant

Viruses: no information

VIGOR: fair to good

YIELD: poor in Corvallis test plots, fair to good in England

SIDE ARM LENGTH: 12 to 18 inches

ALPHA ACIDS: 8.6%

BETA ACIDS: 3.3%

COHUMULONE: 33%

STORAGE STABILITY: good, retained 72% of original alpha acids after 6 months room temperature storage

OIL: 1.39 ml/100 g. Humulene 22%; caryophyllene 7.2% myrcene 44.9%; farnesene trace. H/C ratio = 3.04

MAJOR TRAITS: pleasant continental aroma

OTHER INFORMATION: Choice old English aroma hop but limited by low yield potential.

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