USDA ACCESSION NO.: 21507

SELECTION: Seedling Selection W415-90 made in 1974 at the Irrigated Agriculture Research and Extension Center, Prosser, WA

GENUS: Humulus

SPECIES: lupulus

CULTIVAR: Centennial

PEDIGREE: OR6619-04 x 63015M; (Brewer's Gold2 x Fuggle-Fuggle Seedling) x (Brewer's Gold2 x East Kent Golding - Bavarian Seedling)Brew/Gold; 3/32 Fuggle; 1/16 East Kent Golding; 1/32 Bavarian; 1/16 unknown

PRIMARY SITE: USDA Hop Germplasm Collection, OSU East Farm Washington State University Irrigated Agriculture Research and Extension Center, Prosser, WA

ORIGIN: Seedling selection of cross W415, made in 1974 at Prosser, WA (Seedling selection 415-90)

DATE RECEIVED: March 1981 USDA Accession No. assigned in 1987

METHOD RECEIVED: Potted plants

AVAILABILITY: No restrictions

REFERENCES: Kenny, S.T., and C.E. Zimmermann. Registration of Centennial Hop (Registration No. CV-17, PI546055). Crop Sci. 31:1092. 1991.

USDA Ann. Report and Data Summary 1981, Table 3, p. 29.

Ann Report to the Hop Reseach Council (Prosser, WA). 1990.

MATURITY: Early to medium early

LEAF COLOR: Light green

SEX: Female

DISEASES: Downy Mildew: moderately resistant

Verticillium Wilt: unknown, probably tolerant

Viruses: slight latent infection with Hop Mosaic,

Hop Latent, and American Hop Latent viruses, symptomless.

YIELD: Good to very good, 1600-1900 kg/ha (1430-1700 lbs/A)

SIDEARM LENGTH: 12-30 inches

ALPHA ACIDS: 9 - 12 %

BETA ACIDS: 4-5%

COHUMULONE: 28 - 32%

STORAGE STABILITY: Fair to poor (lost over 50% of original alpha acids after 6 months storage at room temperature)

OIL: 2.83 ml/lOOg (average of 3 years) 50% myrcene, 14% humulene, 5% caryophyllene, no farnesene, citrus-floral aroma. H/C ratio 2.0 to 2.3

MAJOR TRAITS: Aroma and brewing performance attractive to small brewers, home brewers, and microbrewers

OTHER INFORMATION: Well adapted to the Yakima Valley, WA, Centennial has never been tested in commercial field trials in Oregon. 1991 acreage less than l00 acres. Male parent of Centennial is the same as that of Nugget (USDA 21193).

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