USDA ACCESSION NO.: 21039

SELECTION: Bud sport from Shinshuwase (USDA 60042)

GENUS: Humulus

SPECIES: lupulus

CULTIVAR: Golden Star

PEDIGREE: Saazer x White Vine-OP; selected by Dr. Y. Mori, Sapporo Brewery, Japan, from Shinshuwase

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

ORIGIN: Bud sport

DATE RECEIVED: 1971

METHOD RECEIVED: Rhizomes

AVAILABILITY: No restrictions, commercial variety

REFERENCES: USDA-ARS Annual Report of Hop Investigations for 1971, pp. 13-14.

Hop obtained from Professor Murayama, Toshoku Ltd., Nihonbashi, Tokyo, Japan.

Other references: Gene Pools of Hop Countries, T. Wagner, ed. 1978, p. 48.

MATURITY: Late

LEAF COLOR: Light green

SEX: Female

DISEASES: Downy Mildew: resistant

Verticillium Wilt: unknown

Viruses: infected with Prunus Necrotic Ringspot Virus (both apple and cherry strains), Hop Latent Virus,

American Hop Latent Virus, but free of Hop Mosaic Virus

VIGOR: Very good

YIELD: High, 1600-2000 lbs/acre

SIDE ARM LENGTH: 20-36 inches

ALPHA ACIDS: 5.4% (5-year range 4.4-6.7%)

BETA ACIDS: 4.6 (5-year range 3.8-5.5%)

COHUMULONE: 50%

STORAGE STABILITY: Good to fair (retained 64% of original alpha acids after 6 months room temperature storage

OIL: 0.63 ml/100 g (5-year range 0.45-1.0 ml). Humulene 12.5%; Caryophyllene 5.2%; myrcene 57.1%; no farnesene. H/C ratio = 2.43

MAJOR TRAITS: Yellowish light green leaf color, particularly at the tip of the leaves. Nearly identical to Shinshuwase (USDA 60042).

OTHER INFORMATION: This hop is grown commercially only in Japan as an aroma hop. It is very difficult to pick and shatters easily, particularly when grown seeded.



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