Thornless Processing Blackberry Cultivars
'Black Diamond'
'Kotata' x NZ 8610L-163
Thornless
Machine harvestable
Productive
Larger and much firmer than 'Marion'
Good flavor and fruit quality
Very favorable response in grower trials
Selected in Oregon in 1996
#1 for blackberry sales in 2004-2005
Finn, C.E., B. Yorgey, B.C. Strik, H.H. Hall, R.R. Martin and M.C. Qian. 2005. 'Black Diamond' trailing thornless blackberry. HortScience 40:2175-2178.
Yorgey, B. and C.E. Finn. 2005. Comparison of 'Marion' to thornless blackberry genotypes as individually quick frozen and puree products. HortScience 40:513-515.
'Black Pearl'
ORUS 1117-11 x ORUS 728-3
Thornless
Machine harvestable
Yield and fruit size similar to 'Marion'
Very good flavor and fruit quality in blind panels
Available from nurseries
Finn, C.E., B. Yorgey, B.C. Strik, R.R. Martin and M.C. Qian. 'Black Pearl' trailing thornless blackberry. HortScience 40:2179-2181.
Yorgey, B. and C.E. Finn. 2005. Comparison of 'Marion' to thornless blackberry genotypes as individually quick frozen and puree products. HortScience 40:513-515.
'Nightfall'
'Marion' x 'Waldo'
Thornless
Similar season to 'Marion'
High yield
Large fruit with acceptable firmness and color
Tart flavor
Plants available from nurseries
Finn, C.E., B. Yorgey, B.C. Strik, R.R. Martin and M.C. Qian. 'Nightfall' trailing thornless blackberry. HortScience 40:2182-2184.
Yorgey, B. and C.E. Finn. 2005. Comparison of 'Marion' to thornless blackberry genotypes as individually quick frozen and puree products. HortScience 40:513-515.
ORUS 1843-3 "Thornless Wild"
'Waldo' x Rubus ursinus
Machine harvestable
May be best in alternate year production as canes are thin and can break with rough training
Selections combine the best of 'Waldo' and native R. ursinius:
'Waldo'
Thornless
Foliar disease tolerant
Yield
R. ursinius
Excellent flavor
Growth habit
Fruit size
Yorgey, B. and C.E. Finn. 2005. Comparison of 'Marion' to thornless blackberry genotypes as individually quick frozen and puree products. HortScience 40:513-515.
Scientist: Chad Finn
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