USDA ACCESSION NO.: 21406

SELECTION: Open pollinated seedling selection made at the Riwaka Research Station, near Nelson, New Zealand, in the late 1970's by Mr. Tony Frost

GENUS: Humulus

SPECIES: lupulus

CULTIVAR: AlphAroma

PEDIGREE: Tetraploid Smooth Cone (USDA 66056) x OP

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

ORIGIN: Seedling selection

DATE RECEIVED: December 15, 1983

METHOD RECEIVED: Rhizomes

AVAILABILITY: No restrictions, commercial cultivar

REFERENCES: USDA ARS Annual Report of Hop Investigations for 1983, pp. 27 28.

Haunold, A. 1981. Foreign Travel Report, Kenya, Australia, and New Zealand, January to March 1981, USDA-ARS Annual Report for 1981, pp. 200 213.

Beatson, R.A., and J.F. Rohrbach. Annual Report of Hop Research Activities in New Zealand, 1985 and subsequent years. Riwaka Research Station, Motueka, New Zealand.

MATURITY: Late to very late

LEAF COLOR: Dark green

SEX: Female

DISEASES: Downy Mildew: moderately resistant

Verticillium wilt: unknown, probably resistant

Viruses: free of major hop viruses

VIGOR: Very good

YIELD: Very good, 6 year average 2330 lbs/acre (range 1100 to 3400 lbs/acre)

SIDEARM LENGTH: 20 40 inches

ALPHA ACIDS: 9.4% (6 year range 5.8 10.9%)

BETA ACIDS: 3.5% (6 year range 2.6 4.8%)

COHUMULONE: 27%

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

OIL: 1.21 ml/100 g (6 year range 0.63 1.52 ml); H/C   3.43, humulene 14.6%, very high in myrcene, about 5% farnesene

MAJOR TRAITS: Triploid, high yield potential; high alpha acids potential (up to 15%), particularly in New Zealand but less so in Oregon. Very late maturity.

OTHER INFORMATION: Grown on significant acreage acreage in New Zealand since the mid 1980's both for domestic consumption and export. Not grown commercially in the United States


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