SELECTION: Selected in the German Tettnang area from an old land race

GENUS: humulus

SPECIES: lupulus

CULTIVAR: Tettnanger, Schwetzinger, Deutscher Fruehhopfen

PEDIGREE: unknown

PRIMARY SITE: USDA World Hop cultivar collection, OSU East farm

ORIGIN: obtained from Dr. R.R. Romanko, SW Idaho Agr. Expt. Station, Parma, ID who brought it to the US via Coors Brewing Co., Golden, CO.



AVAILABILITY: no restrictions, commercial variety

REFERENCES: USDA annual report of Hop Investigations for 1970, pp 11-12

Romanko R.R., 1973. In: Steiner's Guide to American hops, S.S. Steiner Inc., New York, NY p 33.

Kohlmann, H., and A. Kastner. 1975: Der Hopfen, p 34. Hopfenverlag Wolnzach, Germany.


LEAF COLOR: dark green

SEX: female

DISEASES: downy mildew: moderately resistant

Verticillium wilt: resistant

Viruses: unknown.

VIGOR: fair to good

YIELD: low to medium (1000 to 1400 lbs/acre)

SIDEARM LENGTH: 12 - 36 inches

ALPHA ACIDS: 4.5% (10-year range: 3.0 to 5.8%)

BETA ACIDS: 3.8% (10-year range: 2.8 to 5.3%)


STORAGE STABILITY: fair to good (retains 61% of original alpha acids after 6 months room temperature storage

OIL: 0.56 ml/100 g. (12 year range: 0.36 to 1.07). Humulene 20.4%; caryophyllene 6.2%; myrcene 40.6%; farnesene 11.3%. H/C ratio = 3.39

MAJOR TRAITS: European "noble" aroma characteristics desired by brewers worldwide for producing super premium beers; reddish hue on main vine, particularly where sidearm branch off. Ratio of alpha: beta near 1.0.

OTHER INFORMATION: Tettnanger acreage has expanded significantly in the US in recent years -called US Tettnanger (which however is not a true Tettnanger but similar to Fuggle). German Tettnanger is grown primarily in the Tettnang area of SW Germany and on a few acres in Switzerland across from lake Konstanz. This hop is thought to belong to the Saaz group of varieties and it commands premium prices on world hop markets.