SELECTION: Sel. No. 4/63/25 made at Wye College, England

GENUS: Humulus

SPECIES: lupulus

CULTIVAR: Wye Northdown

PEDIGREE: Northern Brewer x downy mildew resistant male.

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

ORIGIN: Cross made at Wye College, England in 1963

DATE RECEIVED: Spring 1971

METHOD RECEIVED: Rhizomes, USDA PI No. 369163

AVAILABILITY: No restrictions, commercial cultivar

REFERENCES: Neeve, R.A. 1968. Northdown: A downy mildew resistant selection. Ann. Rep. for 1968. Wye College, Univ. London. pp. 34-36.

Wagner, T. Gene Pools of Hop Countries. p. 30. Inst.Hop Res., Zalec, Yugoslavia. 1978.

Neeve, R.A. Hops. Chapman and Hall, 1991, first edition, p. 204.

MATURITY: Medium late

LEAF COLOR: Dark green

SEX: Female

DISEASES: Downy Mildew: resistant

Powdery Mildew: resistant

Verticillium wilt: resistant

Viruses: unknown

VIGOR: Good to very good but variable in USDA test plots near Corvallis

SIDEARM LENGTH: 12-24 inches

ALPHA ACIDS: 8.3% (10-year range 6.2-9.8%)

BETA ACIDS: 4.6% (lO-year range 3.6-5.9%)


STORAGE STABILITY: Very good (retained over 70% of original alpha acids after 6 months room temperature storage)

OIL: 1.35 ml/lOO g (lO-year range 0.6-1.90)

MAJOR TRAITS: Resistant to both powdery and downy mildew. The powdery mildew resistance is due to a single gene, the "blister" type.

OTHER INFORMATION: This variety has been one of the major English hop varieties in the 1980's and early 1990's.