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Cluster is used primarily as a bittering hop, but can give a nice black currant aroma and flavor. Substitutes: Brewer's Gold for flavor and aroma; for bittering, I would use Chinook, Galena, Eroica, or Olympic.
US CLUSTER
Pedigree
Not known but possibly a result of a cross between
an
English variety and an American male hop.
Maturity
Early to late
Yield
1900 – 2400 kg. /ha. or 1700 – 2140 lb. /ac.
Growth
Habit Vigorous but manageable
Disease/Pest
Susceptibility Very susceptible to downy mildew. Not seriously
affected
by Prunus necrotic ring-spot virus.
Pickability/Drying/Baling
Good
Cone-Structure
Medium-compact cone
Lupulin
Plentiful, yellow in color
Aroma
Floral and spicy
Alpha
Acids 5.5 – 8.5% w/w
Beta
Acids 4.5 – 5.5 %w/w
Co-Humulone
36 – 42% of alpha acids
Storageability
80 – 85% alpha acids remaining after 6 months
storage
at 20º C
Total
Oil 0.4 – 0.8 mls/100 grams
Myrcene
45 – 55% of whole oil
Humulene
15 – 18% of whole oil
Caryophyllene
6 – 7% of whole oil
Farnesene
<1% of whole oil
General
Trade Perception An excellent general purpose hop with medium and
well-balanced
bittering potential and no undesirable
aroma
properties.
Possible
Substitutions Galena, possibly US Northern Brewer
Typical
Beer Styles Ale (Aroma), Lager (Bittering), Stout
Additional
Information For years the standard US cultivar, improved mass
selection
in the mid-sixties. Limited acreage grown
today.
Personal
Notes
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