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Metolius

Date: 2020-06-24, updated: 2023-03-29

Thorny trailing blackberry variety with medium-sized, firm, uniform shaped berries from Oregon

Rubus subgenus Rubus Watson 'Metolius'

Originated from a cross of Kotata x Douglass

Variety denomination 'Metolius'

Plants are thorny

Bushes have trailing canes

Fruit weight is 5 g

Berries have a conical shape

Fruiting habit floricane fruiting (summer-bearing)

Flowering on floricanes starts in the third week of May

Ripening date (regular) - second week of July

Productivity is 8000 kg from ha

Cold hardiness is moderate

Country of origin United States

Current status - obsolete or rarely used

Metolius is a thorny trailing blackberry variety from Oregon, Unites States. Metolius was selected from a cross between Douglass and Kotata cultivars.
Plants are not large, but vigorous. It is early ripening cultivar with medium-sized, firm, uniform shaped berries and very good yields of excellent quality fresh fruits. The fruit ripening season starts at the end of June, peaks in early July and continues for 14-17 days. Average yield is about 18000 kg/ha, fruit weight is about 5 g. Berries are conical in shape with a drupelet arrangement that produces a very uniformly shaped fruits. Berries are very glossy with excellent black color. The fruit of Metolius blackberry separate easily from the plant.
Flavor and taste is better than Black Diamond and Chester Thornless, but worse, than Marion. Firmness is superior, which is very good for shipping.
Metolius cultivar has moderate resistance to different diseases. Winter hardiness is typical for many other varieties, about minus 13 C.
Table 1. Yield and average berry weight (plantings established in 1999)
Cultivar Berry weight, g Yield, t/ha
2001 - 2003 2001 2002 2003
Metolius 5.6 31.3 12.5 12.5
Obsidian 6.8 40.8 20.1 24.0
Silvan 6.2 31.7 16.8 21.4
Black Diamond 5.8 29.2 15.5 19.0
Marion 5.1 26.3 13.0 18.3
Waldo 5.5 25.8 11.0 17.2
Siskiyou 6.9 20.9 9.8 9.3
Table 2. Averaged harvest season duration of Metolius and some other varieties for several years (2001-2003 harvested, 1999 planted)
Cultivar Harvest season
5% Peak 95%
Metolius June 25 July 3 July 14
Silvan June 26 July 8 July 21
Marion July 3 July 10 July 22
Siskiyou June 25 July 8 July 25
Obsidian June 25 July 4 July 15
Black Diamond June 28 July 8 July 21
Waldo July 8 July 22 Aug. 7

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