Dirksen Thornless blackberry variety
European blackberry variety selected from wild blackberries
Rubus subgenus Rubus Watson 'Dirksen Thornless'
Variety denomination - 'Dirksen Thornless'
Dirksen Thornless is the parent for Čačanska bestrna
Plants are thornless
Bushes have semi-erect canes
Fruit weight is 6 g
Berries have a conical shape
Fruiting habit - floricane fruiting (summer-bearing)
Flowering on floricanes starts in the first week of June
Ripening date (regular) - third week of July
Productivity is 8 kg per plant
Cold hardiness is excellent
Heat tolerance is low
Current status - obsolete or rarely used
Recommended replacement - Caddo
Country of origin - United Kingdom
Adrienne Ashton Cross Bedford Giant Black Cascade Buckingham Tayberry Dirksen Thornless Fantasia Helen Loch Mary Loch Ness Loch Tay Merton Thornless Tayberry Veronique
Plants are large and moderately vigorous, canes length achieves up to 5 m in length. Bush has a lot of replacement stems.
Begin to bloom at the end of May or beginning of June. First fruit ripen at the end of July, harvest season ends on the last week of September. Berries of Dirksen Thornless are big (berry weight is 5-7 g), unripen fruit have red color, and only fully ripen berries are black. Their juicy flesh is tart, sweet and sour.
Dirksen Thornless blackberry has great resistance to low air temperatures up to minus 25 C.
What diseases is blackberry Dirksen Thornless resistant to?
What diseases is blackberry variety Dirksen Thornless vulnerable to?
