USDA ACCESSION No.: 66051

SELECTION: seedling selection made at Wye College, England

GENUS: Humulus

SPECIES: lupulus

CULTIVAR: Progress

PEDIGREE: Whitbreds Golding Variety x OB 79 male WGV (USDA 21668) x English male OB 79. OB 79 is a seedling of an open-pollinated Wild American hop.

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

ORIGIN: Wye College, England late 1950s

DATE RECEIVED: spring 1966

METHOD RECEIVED: rhizomes

AVAILBILITY: no restrictions

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

Various Wye College Annual Reports on Hop Research starting late 1950s and following years.

Wagner, T. 1978. Gene Pools of Hop Countries. Institute for Hop Research, Zalec, Yugoslavia (now Slovenia)

Lemmens, Gerard. 1997. The breeding of Hop Varieties Brewer's Digest, March 1997.

MATURITY: very early

LEAF COLOR: medium green to light green

SEX: female

DISEASES: Downy mildew: tolerant

Verticillium wilt: tolerant

Viruses: no information

VIGOR: poor in Corvallis test plots

YIELD: poor, averaging 800 to 1,000 lbs in Corvallis plots

SIDE ARM LENGTH: 8 to 20 inches

ALPHA ACIDS: 6.7%;

BETA ACIDS: 2.6%

COHUMULONE: 28%

STORAGE STABILITY: good to very good; retained 74% of its original alpha acids after 6 months room temperature storage.

OIL: 0.73 ml/100 g. Humulene 37%; caryophyllene 10.6%; myrcene 33.5%; farnesene trace. H/C ratio = 3.48

MAJOR TRAITS: pleasant continental-type aroma, very early maturity

OTHER INFORMATION: useful for breeding early maturing hops. This hop is only grown in very limited quantities in England for special brewery needs.