USDA ACCESSION NO.: 21227

SELECTION: Developed from a seedling selection of Northern Brewer at the German Institute for Hop Research Huell near Wolnzach, Germany.

GENUS: Humulus

SPECIES: lupulus

CULTIVAR: Perle

PEDIGREE: Northern Brewer (USDA 64107) x 63/5/27 (a German male)

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

ORIGIN: Seedling selection made at Hall, West Germany. Heat therapy and meristem tip culture at Hall.

DATE RECEIVED: Spring 1980

METHOD RECEIVED: Rhizomes

AVAILABILITY: No restrictions, commercial cultivar

REFERENCES: Wagner, Tone, editor. Gene pool of Hop Countries, Zalec, July 1978, p. 35.

Kohlmann, H. The new hop variety Perle. Mimeographed handout. German Society for Hop Research, Wolnzach, August 30, 1978.

Gmelch, F. Problems in hop breeding (in German). Hopfenrundschau 36(8):141-146. 1985.

MATURITY: Midseason in Germany, early in U.S.

LEAF COLOR: Light green

SEX: Female

DISEASES: Downy Mildew: resistant

Verticillium Wilt: resistant

Powdery Mildew: moderately susceptible

Viruses: free of all hop viruses, except hop latent virus

VIGOR: Very good

YIELD: Good to very good, 1500-1900 lbs/A

SIDE ARM LENGTH: 24-30 inches

ALPHA ACIDS: 8-9% in Germany, up to 11% in U.S. (5 yr. U.S. range: 7.9 to 12.9%)

BETA ACIDS: 4-5% in U.S., 8% in Germany (5 yr. U.S. range: 2.9 to 5.0%)

COHUMULONE: 28%

STORAGE STABILITY: Very good

OIL: 0.6-1.2 ml/100 9, no farnesene

MAJOR TRAITS: Aroma hop considered by some to be comparable to Hallertauer mittelfrueh, moderately high alpha acids content, downy mildew resistant. Early maturity in Oregon (about Aug. 20).

OTHER INFORMATION: U.S. and Japanese breweries indicated that Perle is not a substitute for Hallertauer mittelfueher. Moderate acreage expansion in U.S. as a higher alpha/aroma hop for certain brewery blends. 1997 production: 792,400 lbs (about equally divided between Oregon and Washington)

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