Black Pearl blackberry variety
Thornless trailing blackberry cultivar from the Agricultural Research Service breeding program in Corvallis
Rubus subgenus Rubus Watson 'Black Pearl'
Originated from a cross of ORUS 1117-11 x ORUS 1122-1
Variety denomination - 'Black Pearl', tested as ORUS 1380-1
Plants are thornless
Bushes have trailing canes
Fruit weight is 6 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 18000 kg from ha
Soluble solids - 13.42%
Acidity - 1.6%
Cold hardiness is moderate
Heat tolerance is moderate
Current status - modern or widely used
Country of origin - United States
Agawam Amanda Anastasia Wyeberry Apache Arapaho Babycakes Bailey Big Daddy Black Butte Black Diamond Black Gem Black Jack Black Magic Black Pearl Black Satin Blakely Boysenberry Brazos Caddo Chesapeake Chester Thornless Cheyenne Chickasaw Chief Joseph Choctaw Clark Gold Columbia Giant Columbia Star Columbia Sunrise COX's miracle berry Danna Douglass Doyle's Thornless Eclipse Evergreen Thornless Galaxy Hall’s Beauty Heaven Can Wait Hedrick HJ-6 HJ-7 Hull Thornless Illiny Hardy Kelly Kiowa Kotata Loganberry Lucretia Marion Mary Carmen Metolius MM01 Natchez Navaho Nettleton Creamy White Newberry Nightfall Obsidian Onyx Osage Ouachita Ponca Prime-Ark 45 Prime-Ark Freedom Prime-Ark Horizon Prime-Ark Traveler Prime-Jan Prime-Jim Reuben Schultz Shawnee Siskiyou Smoothstem Sweetie Pie Thornfree Triple Crown Twilight Von Waldo Wild Treasure Willamette Thornless Marion
Cultivar | Fruit weight, g | Yield, kg/ha | |||
---|---|---|---|---|---|
2001-2003 | 2001 | 2002 | 2003 | Avg. | |
Black Pearl | 6.2 | 26969 | 14373 | 15505 | 18949 |
Nightfall | 6.2 | 42447 | 13405 | 20962 | 25604 |
Silvan | 6.2 | 31757 | 16811 | 21845 | 23351 |
Black Diamond | 5.8 | 29281 | 15568 | 19001 | 21283 |
Marion | 5.1 | 26380 | 13021 | 18397 | 19266 |
Waldo | 5.5 | 25849 | 11000 | 17286 | 18045 |
Siskiyou | 6.9 | 20969 | 9854 | 9359 | 13394 |
Cultivar | Fruit weight, g | Fruit yield, kg/ha | 2003 Harvest season | ||
---|---|---|---|---|---|
5% | 50% | 95% | |||
Black Pearl | 6.1 | 15038 | July 6 | July 16 | August 8 |
Waldo | 4.8 | 23579 | July 14 | August 1 | August 26 |
Marion | 4.8 | 19896 | July 9 | July 14 | July 28 |
Kotata | 4.4 | 13323 | July 6 | July 18 | July 28 |