USDA ACCESSION NO: 21097

SELECTION: Seedling selection made at Huell Research Institute, Germany in the late 1960's

GENUS: Humulus

SPECIES: lupulus

CULTIVAR: Hueller Bitterer (now called Hueller)

PEDIGREE: Northern Brewer x verticillium resistant male(identified as 1196~)

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

ORIGIN: Seedling selection

DATE RECEIVED: Spring 1975

METHOD RECEIVED: Rhizomes

AVAILABILITY: No restrictions, commercial variety

REFERENCES: Wagner, T. 1978. Gene Pools of Hop Countries, p. 35. Inst. Hop Research, Zalec, Yugoslavia. 1978.

Kohlmann, H., and H. Kastner. Der Hopfen. Hopfenverlag Wolnzach, 1975, p. 36.

Maier, J. Chemical determination of hop varieties. Hopfenrundschau 29:258-263. 1978. (in German)

Maier, J. Storage stability of new hop varieties in comparison with established varieties. Hopfenrundschau 29:370-372. 1978. (in German)

MATURITY: Medium

LEAF COLOR: Light green

SEX: Female

DISEASES: Downy Mildew: resistant

Verticillium wilt: resistant

Viruses: unknown

VIGOR: Very good

YIELD: Very good in Germany but variable in US test plots near Corvallis (10-year range 900-1700 lbs/acre with 1200 lbs/acre average)

SIDEARM LENGTH: 12-28 inches

ALPHA ACIDS: 8.5% (10-year range 6-10%)

BETA ACIDS: 4.4% (10-year range 3.8-5.4%)

COHUMULONE: 28%

STORAGE STABILITY: Good (retained 68% of original alpha acids after 6 months room temperature storage

OIL: 1.40 ml/100 g (10-year range 0.64-2.20)

MAJOR TRAITS: Highly resistant to hop downy mildew. Aroma and quality reported to be similar to Hallertauer mittelfrueh with higher alpha acids potential, but brewers disagree.

OTHER INFORMATION: Occasionally reported to be a triploid; chromosome number has not been rechecked. Hueller Bitterer, now simply called Hueller, is one of themajor new hop varieties grown in Germany in the mid- to late 1980's and early 1990's. Its acreage, however, has decreased in recent years in favor of Perle (USDA 21227), which has high alpha-acids potential. 1997 production was only 313.604 lbs on 235 acres. It is a triploid hop as confirmed by chromosome analysis (Feb. )994) : 2n = 3x = 30 chromosomes in roottip squashes.

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