Developed at the New Zealand Horticultural Research Centre (now New Zealand Institute for Plant and Food Research) and released in 1976 as "Super Alpha", Dr. Rudi is a triploid variety bred from New Zealand Smoothcone. Its name was changed to Dr. Rudi in 2012. Dr. Rudi works well in single-hopped beers or in conjunction with multiple aroma varieties.
Aroma: Specific aroma descriptors include resin, pine, and lemongrass.
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Alpha Acid: 10 - 12%
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Beta Acid: 7 - 8.5%
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Co-humulone: 33 - 36%
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Total Oil: 1.3 - 1.3 mL/100g
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Myrcene: 29 - 30% of total oil
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Caryophyllene: 10.1 - 10.1% of total oil
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Farnesene: < 1.0% of total oil
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Humulene: 33.2 - 33.2% of total oil
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Geraniol: 0 - 0% of total oil