Hersbrucker Red-Stem is, as I’m sure you guessed, so named due to its red stem. All Hersbruckers have red stems, but in this variety it is even more distinct. It is a clonal offshoot of Hersbrucker, supposedly with a higher alpha acid potential. Hersbrucker clones have declined in production over the years since their introduction in the 1980’s. This is mainly due to the rise of Hallertauer Tradition and Spalter Select, which exhibit much higher alpha percentages.
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| Also Known As | Hersbrucker Alpha |
| Characteristics | Pleasing noble characteristics |
| Purpose | Aroma |
| Alpha Acid Composition | 5%-6% |
| Beta Acid Composition | 5%-6% |
| Co-Humulone Composition | 18% |
| Country | Germany |
| Cone Size | |
| Cone Density | |
| Seasonal Maturity | Late |
| Yield Amount | 1110 kg/hectare (990 lbs/acre) |
| Growth Rate | High |
| Resistant to | |
| Susceptible to | Moderately susceptible to downy mildew |
| Storability | Retains 60% alpha acid after 6 months storage at 20ºC (68ºF) |
| Ease of Harvest | |
| Total Oil Composition | 1.20 mL/100g |
| Myrcene Oil Composition | 55% |
| Humulene Oil Composition | 10% |
| Caryophyllene Oil | 9% |
| Farnesene Oil | Trace |
| Substitutes | |
| Style Guide |
Where to Buy Hersbrucker Red-Stem HopsAs a listing requirement, all suppliers below ship nationally to their respective countries. |
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References
http://www.ars.usda.gov/SP2UserFiles/person/2450/hopchem/21517.html
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Comments 2
Hi, i guess that is a mistake in Farnesene Oil cause it exceed 100%.
Thank you for the best hop book ever!
Author
Thanks for picking up that mistake Andre. Farnesene content has been updated to “Trace” amounts as per the USDA data sheet. Julian