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Aurora hop (Super Styrian)

  • Pebbbles
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6 years 10 months ago #18 by Pebbbles
Aurora hop (Super Styrian) was created by Pebbbles
Aurora, known also as Super Styrian

Breeding Properties:
Aurora, known also as Super Styrian, is a diploid hybrid between Northern Brewer and a TG seedling of unknown origin. It is a medium early variety, its optimal picking time in Slovenia being between August 23th and 30th. The plants exhibit a cylindrical form of medium width, the lateral shoots being 60 cm long; they sprout also in the lower part of the plant. The vines are slightly purple, of medi­um thickness, with short internodes. The leaves are smooth and of medium size, their edges tend to become dry under unfavourable conditions. The rootstock is slightly susceptible to downy mildew, the leaves are resistant and the cones slightly susceptible. It is sensitive to aphids. The expected yield is about 2200 kg/ha. It has a fibrous root system. It is grown on moderate­ly deep clay soil; it can thrive also on loamy clay soil. It is grown in Slovenia, Austria and Hungary. Medium planting distance is required. The recommended pruning time in Slovenia is between March 25th and April 5th. An average cone is 25 mm long and the average weight of 100 dry cones is 15 g. They are dense, of deep green colour and do not get shattered when picked by a picking machine. The drying temperature does not exceed 65 ° C.

Characteristic Ingredients and Brewing Quality:
Aurora has an intense and pleasant hoppy aroma. It contains 7 – 9.5 % of α - acids (22 - 26 % of cohumulone). The ratio between α - and β - acids is about 2.7. The essential oil content varies from 0.9 to 1.6 % of dry hops. The ratio between α - humulene and β - caryophyllene in the essential oil is about 3.2. Aurora has very good storage stability. Beer prepared with this variety has good organoleptical scores. The yield of α - acids is very good when brewing with this variety. Aurora is very suitable for extraction and combination with other varieties in the brewing process.

Grower Comments
Maturity: Medium to late maturity
Yield: 1600 – 2200 kg/ ha (medium)
Cone Structure: Small size, oval cones
Disease Resistance: Good resistance to wilt, peranospora and powdery mildew
Pest Susceptibility: Good susceptibilty
Storage Stabiltiy: Very good (70 – 80 % alpha acids remaining after 6 months storage at 20°C)

Technical Data: (HPLC & Oil componets)
Alpha Acids: 7.0 – 9.5 %
Beta Acids: 2.7 – 4.4 %
Cohumulone: 22 – 26 % of alpha acids
Colupulone: 50 – 55 % of beta acids
Total Oil: 0.9 – 1.6 % of dry matter
Myrcene: 20 – 25 % of whole oil
α – humulene: 20 – 25 % of whole oil
β – caryophyllenne: 6 – 9 % of whole oil
Farnesene: 5 – 10 % of whole oil

General Trade Perception:
Higher alpha with intense but pleasant aroma similar to Styrian Golding but much lighter with hoppy aroma, suitable for extraction and combination with other varieties.

Typical Beer Styles:
It can be used in all ales and judiciously in some lagers.

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Drunken Ramblings

Finnroo's Avatar Finnroo - Thu 11 Jul - 14:09

Just finished a good brew day, brewing an English Bitter or maybe it s a pale. Did a starter seemed to go well. But my picnic tap on my keg snapped so had to use a pair of plyers to pour. Nice n foamy :D

Gash - Sun 7 Jul - 09:45

Think you'll find the others will be like the grainfather app if they are set up correctly.

Keg - Thu 4 Jul - 20:15

Hi everyone, just wondering why the likes of BS, Brewfather ect specify a lower strike water volume than the sparge volume? The only one that does not is the Grainfather app.

Finnroo's Avatar Finnroo - Thu 20 Jun - 12:38

Very cold brew day in the shed. The fog is down to about 3 feet. ha. :O

Kegga - Sat 15 Jun - 22:23

Thanks drewtech ?

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