USDA ACCESSION NO.: 21044
SELECTION: Sel. No. 4/63/25 made at Wye College, England
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
DISEASES: Downy Mildew: resistant
Powdery Mildew: resistant
Verticillium wilt: resistant
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.