USDA ACCESSION NO.: 21051

SELECTION: Seedling selection No. 18/57 made in the early 1970's at the Hop Research Institute, Zalec, Slovenia, Yugoslavia, by Dr. Tone Wagner

GENUS: Humulus

SPECIES: lupulus

CULTIVAR: Apolon

PEDIGREE: USDA 19001 x USDA 21087M; Brewer's Gold x Yugoslavian wild male 3/3

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

ORIGIN: Hop Research Institute Zalec, Yugoslavia

DATE RECEIVED: 1972; USDA Accession No. assigned in 1972

METHOD RECEIVED: Rhizomes

AVAILABILITY: No restrictions, commercial cultivar

REFERENCES: Wagner, Tone. Autochthonous hop in Yugoslavia and its usability for breeding new varieties in comparison with the hop varieties grown at present. Final Research Report, USDA-Yugoslavia Cooperative Project E30-CR-90/FG Yu-186, May 1974, pp. 255-258.

Wagner, Dr. Tone, and Dragica Kralj. Properties of Slovenian aroma hop varieties and new breeding lines. Talk presented to the 27th Congress of the European Union of Hop Trade, Dubrovnik, Yugoslavia, May 21-22 1979; Proceedings printed in German and English.

MATURITY: Medium late

LEAF COLOR: Green to light green

SEX: Female

DISEASES: Downy Mildew: moderately resistant

Verticillium wilt: unknown, probably resistant

Viruses: unknown

VIGOR: Good to very good

YIELD: Good, but fluctuates over the years

SIDEARM LENGTH: 12-24 inches

ALPHA ACIDS: 10-12%

BETA ACIDS: 4%

COHUMULONE: 26%

STORAGE STABILITY: Fair to good (retained 57% of original alpha acids after 6 months room temperature storage)

OIL: 1.3 to 1.6 ml/100 g

MAJOR TRAITS: High alpha acids content; ratio of humulene/caryophyllene 2.25

OTHER INFORMATION: This hop together with its sister selections Ahil (USDA 21050), Atlas (USDA 21052), and a related selection, Aurora (USDA 21053), entered the hop trade in the 1970's as Superstyrian hops. The implication was that they be similar to Styrian (Fuggle-type) hops but higher in alpha acids content. In reality they are Brewer's Gold seedlings, and their quality characteristics are different from the true Styrian (USDA 21049, Savinski Golding). This has caused considerable confusion in the world hop trade. In recent years the acreage of Superstyrians has been reduced in favor of the old established Savinski (Styrian) Golding (USDA 21049). The acreage of Apolon in Slovenia has remained very limited.

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