Wild Treasure blackberry variety

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A great blackberry variety for special small fruit applications

Botanical designation

Rubus subgenus Rubus Watson 'Wild Treasure'

Originated from a cross of

Originated from a cross of Waldo x GP 9-24

Variety denomination

Variety denomination - 'Wild Treasure', tested as ORUS 1843-3

Plants are

Plants are thornless

Bushes have

Bushes have trailing canes

Fruit weight is

Fruit weight is 2 g


Berries have a rounded shape

Fruiting habit

Fruiting habit - floricane fruiting (summer-bearing)

Flowering on floricanes starts in the

Flowering on floricanes starts in the first week of June

Ripening date (regular) -

Ripening date (regular) - second week of July

Productivity is

Productivity is 2 kg per plant

Cold hardiness is

Cold hardiness is moderate

Heat tolerance is

Heat tolerance is low

Country of origin

Country of origin - United States

Current status

Current status - modern or widely used

Wild Treasure (evaluated as ORUS 1843-3) is a trailing blackberry cultivar from the Department of Agriculture–Agricultural Research Service (USDA-ARS) breeding program in Corvallis, United States. Wild Treasure is thornless and has high-quality fruit that are very small and suitable for mechanical harvest. The fruit is of particular value for market niches where small fruit size is perceived as superior. Such markets include bakery products that use whole berries and in frozen polybag fruit blends in which large-fruited blackberries are out of proportion to the other components of the mix. Wild Treasure blackberry is named to recognize its pedigree because it was selected from a cross between a thornless cultivar and a selection of the western dewberry. Wild Treasure plants are thornless and as vigorous as Marion, but there few thorns on the new canes until they are ~ 0.5 m long. Canes of Wild Treasure cultivar have fruiting laterals that are short, like Black Diamond, and similar in strength to those of Marion and Black Diamond. The canes are as resistant to cane and leaf spot as are Marion canes. The harvest season for Wild Treasure begins and ends slightly before Marion but peaks at the same time. Wild Treasure has consistently produced very small fruit with excellent flavor. Fruit averaged 2 g. Wild Treasure blackberry is not likely to be well suited to fresh market because it is not sufficiently firm for handling and shipping significant distances. This cultivar is winter hardy up to minus 13 C.

How to cultivate blackberry

How to cultivate blackberry Wild Treasure?

1. Annual pre- and postemergent herbicide applications;
2. Spring nitrogen fertilization (78 kg N/ha);
3. Postharvest removal of floricanes;
4. Training of primocanes to a two-wire trellis;
5. Weekly overhead application of 2.5 to 5.0 cm of irrigation, depending on rainfall;
6. Dormant applications of liquid lime sulfur and copper hydroxide;
7. A single bloom time application of Captan at labeled rates to control anthracnose, botrytis (Botrytis cinerea), cane spot, purple blotch, and stamen blight.
Diseases resistance

What diseases is blackberry Wild Treasure resistant to?

Wild Treasure is resistant to most fungal diseases
Diseases susceptibility

What diseases is blackberry variety Wild Treasure vulnerable to?

No susceptibility to spicific pests or diseases has been observed for Wild Treasure
Useful Growing Guides

Useful Growing Guides:

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