USDA ACCESSION NO.: 66054

SELECTION: Selected from a cross made by Dr. R.H.J. Roborgh in the early 1960's at the Riwaka Research Station, near Nelson, New Zealand

GENUS: Humulus

SPECIES: lupulus

CULTIVAR: Calicross

PEDIGREE: California Cluster x Fuggle Seedling

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

ORIGIN: Seedling selection

DATE RECEIVED: Spring 1966, PI Number 314968

METHOD RECEIVED: Rhizomes

AVAILABILITY: No restrictions, commercial cultivar

REFERENCES: USDA Annual Report for Hop Investigations 1966, p. 8.

MATURITY: Late

LEAF COLOR: Green to dark green

SEX: Female

DISEASES: Downy Mildew: moderately susceptible

Verticillium wilt: unknown

Viruses: unknown

VIGOR: Very good

YIELD: 1200 to 2300 lbs/acre (10 year average 1329 lbs/acre near Corvallis); substantially higher yield in New Zealand.

SIDEARM LENGTH: 12 30 inches

ALPHA ACIDS: 7.0% (8 year range 5.8 7.9%)

BETA ACIDS: 5.6% (8 year range 4.0 7.8%)

COHUMULONE: 38%

STORAGE STABILITY: Very good (retained 78% of original alpha acids after 6 months room temperature storage)

OIL: 0.81 ml/100 g (5 year range 0.51 1.39 ml/100 g); humulene 13.2%; myrcene 61.3%; caryophyllene 9.2%; farnesene 2.1%. H/C ratio = 2.45

MAJOR TRAITS: High yield potential, late maturity, some similarity to Cluster.

OTHER INFORMATION: Grown commercially in New Zealand from the early 1960's until early 1980's. Not grown commercially any more.