US Chinook
Pedigree From a cross between Petham Golding and a USDA-selected male with high alpha acid and good storage properties
Maturity Mid-season to late
Yield 2000 - 2500 kg./ha. or 1780 - 2230 lb./ac.
Growth Habit Good and neat
Disease Reaction Tolerant to infection with Prunus necrotic ring-spot virus, moderately resistant to downy mildew. Not excessively sensitive to insects.
Pickability Good
Drying/Baling Normal
Cone Structure Long, medium-compact with turned outward petals
Quality
Luplin Abundant and yellow-orange in color
Aroma Mild to medium-heavy, spicy, piney and distinctly grapfruity
Alpha Acids 12.0 - 14.0% w/w
Beta Acids 3.0 - 4.0% w/w
Co-Humulone 29 - 34% of alpha acids
Storageability 65 - 70% of alpha acids remaining after six (6) months storage at 20ºC.
Total Oil 1.5 - 2.5 mls/100 grams
Myrcene 35 - 40% of whole oil
Humulene 20 - 25% of whole oil
Caryphyllene 9 - 11% of whole oil
Farnesene <1% of whole oil
General Trade Perception A high alpha-acids hop with a highly acceptable aroma profile
Possible Substitutions Nugget, Columbus, Northern Brewer, Wye Target
Beer Styles Pale Ale, IPA, Stout, Porter, Lager
Other Information Released to the U.S. industry in 1985 and becoming increasingly popular with craft-brewers and also by some major brewers.