Amara blackberry variety

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First thornless primocane-fruiting bramble variety from Chile, South America

Botanical designation

Rubus subgenus Rubus 'Amara'

Originated from a cross of

Originated from a cross of APF-77 x A-2293T

Variety denomination

Variety denomination - 'Amara', tested as HFM-2

Plants are

Plants are thornless

Bushes have

Bushes have erect canes

Fruit weight is

Fruit weight is 6 g

Shape

Berries have a conical shape

Fruiting habit

Fruiting habit - primocane-fruiting (everbearing)

Begins to bloom in the

Begins to bloom in the second week of April

Harvest season starts in the

Harvest season starts in the fourth week of June

Secondary blooming in the

Secondary blooming in the first week of July

Second harvest season in the

Second harvest season in the first week of August

Productivity is

Productivity is 3 kg per plant

Soluble solids

Soluble solids - 10.9%

Acidity

Acidity - 0.9%

Cold hardiness is

Cold hardiness is low

Heat tolerance is

Heat tolerance is high

Country of origin

Country of origin - Chile

Patent

Patent US PP26,413 P3 dated February 15, 2016

Current status

Current status - cultivated (actual)


Bramble Amara (also known as HFM-2) is thornless primocane-fruiting variety from South America, Chile. This cultivar was breed by Chilean inventors Maria Pilar Banados Ortiz and Alejandra Andrea Salgado Rojas collaboratively with John R. Clark from Arkansas University, United States. The maternal parent of Amara is Black Magic (APF-77) variety. Amara blackberry was first selected in December 2008 in the variety garden at Nogales, Fifth Region of Valparaiso, Chile.
Plants of Amara bramble have good vegetative vigor and an erect grown habit. New primocanes emerge mainly from the crown and also as suckers from the roots. The growth rate is medium, with primocanes reaching 40 cm in height within 60 days from emergence. Productivity is medium low in the first (primocane crop), but yields are high with each successive floricane and primocane crop cycle. Yields on the first primocane fruiting cycle of a newly planted field are between 0.7 to 1.0 kg per linear meter of row. The floricane crops yield about 2.5 kg of fruit per meter row and the primocane crops (not including the first primocane crop) are between 2.5 and 3.0 kg per meter row.
The fruits of Amara are medium to large sized (about 6-7 g), very firm, very sweet and with very good flavor. They have good black color which is uniform and glossy. The fruits have a low rate of regression to red drupelets in post harvest storage. 
Average first ripe date for primocanes is very similar to other thornless primocane-fruiting cultivar from Arkansas Prime-Jan. Dates of bloom in Southern Hemisphere are 25th of December (10% bloom), 5th of January (50% bloom), 3nd week of January (last bloom). The primocane harvest lasts for approximately 30 days. 
For floricanes average first ripe date is approximately 20 days before Navaho. Dates of bloom in Southern Hemisphere are 12th of October (10% bloom), 25th of October (50% bloom), last week of October (last bloom). The floricane harvest lasts for about 30 days.
Ultimate cold hardiness is unknown, but in Chile dormant plants have resisted midwinter lows of -7 C without damage.

Diseases resistance

What diseases is blackberry Amara resistant to?

Amara is resistant to most fungal diseases
Diseases susceptibility

What diseases is blackberry variety Amara vulnerable to?

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

Useful Growing Guides:

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