USDA ACCESSION NO.: 21698
SELECTION: Seedling selection Nr. 9046-41 from cross Nr. 46 made at Corvallis, OR. in 1990
PEDIGREE: USDA 21522 x OP; Saazer 38 x open pollinated.
PRIMARY SITE: USDA-OSU Hop experimental farm, East Farm, Corvallis, OR.
ORIGIN: open pollinated seed collected by Dr. Alfred Haunold in 1990.
DATE RECEIVED: summer 1990, selected as a seedling in 1992
METHOD RECEIVED: seedling selection
AVAILABILITY: no restrictions, publicly released variety
REFERENCES: A. Haunold, G.B. Nickerson, D.S. Kling, and U. Gampert. 1995. Crop Science 35: 1708 - 1709. 1995.
USDA-ARS. Notice of release of two ornamental hops, Sunbeam and Bianca. Washington DC, Dec. 5, 1994. (signed by C.E. Finney, Adminstrator).
MATURITY: early to medium early
LEAF COLOR: lemon yellow
DISEASES: downy mildew: moderately resistant
Verticillium wilt: moderately resistant
Viruses: free of all major hop viruses at the time of its release
VIGOR: good to very good
YIELD: good to very good
SIDE ARM LENGTH: 20 to 30 inches
ALPHA ACIDS: 7 to 8%
BETA ACIDS: 3.4%
COHUMULONE: 20 to 28 %
STORAGE STABILITY: fair, similar to its female parent Saazer
OIL: 0.6 to 1.0 ml/100 g. Humulene 25%; caryophyllene 8%; farnesene 13%; myrcene 30%. H/C ratio = 2.84, sometimes higher. The oil is relatively high in humulene and farnesene.
MAJOR TRAITS: lemon-yellow attractive leaf color during the whole season; reddish-brown and sometimes even pink stem color which contrasts nicely to the yellow leaves.
OTHER INFORMATION: This is an ornamental diploid hop, 2n= 20, which is not intended for commercial production. However, the cones could be suitable for flavoring beers and ales to impart a Saazer-type aroma profile. The reduced chlorophyll content makes the leaves of Bianca susceptible to leaf burn when plants are exposed to intense sunlight on hot summer days. Therefore, this variety is best grown in semishadded locations to maintain its attractive leaf color during the entire growing season. Bianca is a half-sister of Sunbeam, USDA 21697.
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