USDA ACCESSION NO.: 21217
SELECTION: no information available
GENUS: Humulus
SPECIES: lupulus
CULTIVAR: Star
PEDIGREE: no information available
PRIMARY SITE: USDA-OSU Hop Research Farm, East Frm, Corvallis, OR.
ORIGIN: Institute for Hop Research, Zalec, Slovenia (Yugoslavia)
DATE RECEIVED: spring 1979
METHOD RECEIVED: rhizomes
AVAILBILITY: no restrictions
REFERENCES: Various USDA Annual Reports for Hop Research starting in 1979
Wagner, T. 1978. Gene Pools of Hop Countries. Institute for Hop Research , Zalec, Yugoslavia (Slovenia)
MATURITY: early
LEAF COLOR: medium green
SEX: female
DISEASES: Downy mildew: tolerant
Verticillium wilt: no information
Viruses: no information
VIGOR: poor
YIELD: poor , averaging under 500 lbs/acre in Corvallis test plots
SIDE ARM LENGTH: 6 to 20 inches, poor clustering
ALPHA ACIDS: 3.2%
BETA ACIDS: 1.7%
COHUMULONE: 24%
STORAGE STABILITY: very good, retained about 82% of its original alpha acids after 6 months room temperature storage
OIL: 0.47 ml/100 g. Humulene 33.9%; caryophyllene 11.7%; myrcene 34.2%; farnesene 3.7%. H/C ratio = 2.91
MAJOR TRAITS: pleasant continental-type aroma, high humulene in the oil
OTHER INFORMATION: This is an old Belgian variety that is no longer grown commercially. It is different from the Japanese hop called "Golden Star" (USDA 21039) which is related to Shinshuwase (USDA 60042).