USPP25532P2 - Blackberry plant named ‘Columbia Star’ - Google Patents

Blackberry plant named ‘Columbia Star’ Download PDF

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USPP25532P2
USPP25532P2 US13/815,074 US201313815074V USPP25532P2 US PP25532 P2 USPP25532 P2 US PP25532P2 US 201313815074 V US201313815074 V US 201313815074V US PP25532 P2 USPP25532 P2 US PP25532P2
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fruit
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Chad E Finn
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
    • A01H6/74—Rosaceae, e.g. strawberry, apple, almonds, pear, rose, blackberries or raspberries
    • A01H6/7499—Rubus, e.g. blackberries or raspberries
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H5/00—Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
    • A01H5/08—Fruits

Definitions

  • ‘COLUMBIA STAR’ is a blackberry plant that is Rubus subg. Rubus Watson.
  • the new blackberry plant claimed is of the variety denominated ‘Columbia Star’ Rubus subg. Rubus Watson.
  • the present invention relates to a new and distinct blackberry cultivar designated ‘Columbia Star’ and botanically known as Rubus subg. Rubus Watson.
  • This new blackberry cultivar was discovered in Corvallis, Oreg. in July 2008 and originated from a cross between the female blackberry plant ‘NZ 9629-1’ (unpatented) and the male parent blackberry plant ‘ORUS 1350-2’ (unpatented).
  • ‘Columbia Star's spinelessness is derived from ‘Lincoln Logan’ (unpatented) that can be found as a parent four and five generations back in ‘Columbia Star's pedigree.
  • the original seedling of the new cultivar was asexually propagated at a nursery in Benton County, Oreg.
  • the new cultivar was established in vitro from a cane cutting and microcuttings have been taken and rooted from this sort of culture.
  • the present invention has been found to be stable and reproduce true to type through successive asexual propagations.
  • This new blackberry plant is illustrated by the accompanying photographs that show the fruit of the plant and machine harvested fruit, as well as canes and entire plants; the colors shown are as true as can be reasonably obtained by conventional photographic procedures.
  • FIG. 1 shows a section of a spineless primocane and a leaf.
  • FIG. 2 shows a fruiting lateral with typical leaves.
  • FIG. 3 shows typical fruit in a fruit cluster in the field.
  • FIG. 4 shows machine harvested fruit.
  • FIG. 5 shows an entire 5-year old plant.
  • Table 1 shows plant characteristics of the new cultivar compared with plant characteristics of the blackberry plants ‘Marion’, (unpatented) and ‘Black Diamond’, (unpatented). Characteristics include plant vigor, presence of spines further than 0.6 m from the soil surface, presence of spines less than 0.6 m from the soil surface, weight of primary fruit, uniformity of berry shape, fruit firmness, fruit flavor, fruit soluble solids (%; in Brix), fruit pH, fruit titratable acidity (% as citric acid), and yield (actual kg•plt-1).
  • Table 2 shows plant characteristics of the new cultivar compared with plant characteristics of the blackberry plants ‘Marion’, (unpatented) and ‘Black Diamond’, (unpatented). Characteristics include plant vigor, growth habit, date of budbreak, timing of primocane emergence, primocane length on 14 Jun. 2012, and winter tolerance in Lynden, Wash. (48° 56′ 48′′ N/122° 27′ 2′′ W).
  • Table 3 shows floricane and mature primocane characteristics of the new cultivar compared with floricane and mature primocane characteristics of the blackberry plants ‘Marion’, (unpatented) and ‘Black Diamond’, (unpatented). Characteristics include diameter at base, diameter at midpoint, diameter at terminus, internode length at base, internode length at midpoint, internode length at terminus, presence of spines further than 0.6 m from the soil surface, presence of spines less than 0.6 m from the soil surface, floricane color at base, floricane color at midpoint, floricane color at terminus, floricane lateral length, floricane lateral strength, primocane color at base, primocane color at midpoint, primocane color at terminus, and floricane length (range).
  • Table 4 shows primocane foliage characteristics of the new cultivar compared with primocane foliage characteristics of the blackberry plants ‘Marion’, (unpatented) and ‘Black Diamond’, (unpatented).
  • Primocane characteristics include mature compound leaf width, mature compound leaf length, number of leaflets per primocane compound leaf, mature leaflet shape, mature leaflet apex, mature leaflet base, mature terminal leaflet width, mature terminal leaflet length, mature first lateral leaflet width, mature first lateral leaflet length, leaflet margin, leaflet serration teeth length, leaflet serration teeth width at base, spine presence on leaves, pubescence on primocane leaflet: upper surface, pubescence on primocane leaflet: undersurface, primocane leaf color abaxial, primocane leaf color adaxial, primocane leaf color adaxial, petiole length, petiole color: upper surface, petiole color: undersurface, petiolule length: terminal leaflet, petiolule length: first distal leaf
  • Table 5 shows floricane foliage characteristics of the new cultivar compared with floricane foliage characteristics of the blackberry plants ‘Marion’, (unpatented) and ‘Black Diamond’, (unpatented).
  • Floricane characteristics include mature compound leaf width, mature compound leaf length, number of leaflets per floricane compound leaf, mature leaflet shape, mature leaflet apex, mature leaflet base, mature terminal leaflet width, mature terminal leaflet length, mature first lateral leaflet width, mature first lateral leaflet length, leaflet margin, leaflet serration teeth length, leaflet serration teeth width at base, pubescence on floricane leaflet: upper surface, pubescence on floricane leaflet: undersurface, floricane leaf color abaxial, floricane leaf color adaxial, petiole length, petiolule length: terminal leaflet, petiolule length: first distal leaflet, petiolule color: abaxial, petiolule color: adaxial, stipule length, and stipule width.
  • Table 6 shows flower and flowering characteristics of the new cultivar compared with flower and flowering characteristics of the blackberry plants ‘Marion’, (unpatented) and ‘Black Diamond’, (unpatented).
  • Flower and flowering characteristics include date 1st bloom, date full bloom, date last bloom, petal color, number of flowers per cluster, number of petals per flower, flower diameter, petal length, petal width, and number of sepals per flower.
  • Table 7 shows fruit and fruiting characteristics of the new cultivar compared with fruit and fruiting characteristics of the blackberry plants ‘Marion’, (unpatented) and ‘Black Diamond’, (unpatented).
  • Fruit and fruiting characteristics include date 5% of fruit were ripe, date 50% of fruit were ripe, date 95% of fruit were ripe, weight of primary fruit, weight of secondary fruit, weight of tertiary fruit, diameter of primary fruit at equator, diameter of 2° fruit at equator, diameter of 3° fruit at equator, diameter of 1° fruit at poles: tip, diameter of 1° fruit at poles: base, diameter of 2° fruit at poles: tip, diameter of 2° fruit at poles: base, diameter of 3° fruit at poles: tip, diameter of 3° fruit at poles: base, berry length primary fruit, berry length 2° fruit, berry length 3° fruit, ratio of primary fruit length to width, shape description, uniformity of berry shape, color when full ripe, number of drupelets per fruit,
  • ‘Columbia Star’ differs from the female parent ‘NZ 9629-1’ (unpatented) in that ‘Columbia Star’ has medium-sized, glossy, large fruit (7-8 g), while ‘NZ 9629-1’ has slightly pubescent fruit that are smaller (4.5 g). Furthermore, while ‘Columbia Star’ has yields greater than ‘Marion’ (unpatented) ‘NZ 9629-1’ (unpatented) has yields comparable to ‘Marion’
  • ‘Columbia Star’ differs from the male parent blackberry plant ‘ORUS 1350-2’ (unpatented) in that it is ‘Columbia Star’ is spineless, has large (7-8 g), conic berries with excellent flavor, while ‘ORUS 1350-1’ (unpatented) is spiny, and has very large (10-12 g), barrel shaped berries with poor flavor.
  • ‘Columbia’ Star differs from the commercial variety ‘Marion’ (unpatented) in that ‘Columbia Star’ is spineless and bears high yields of large, firm fruit, while ‘Marion’ is spiny, bears medium yields of medium sized, soft fruit.
  • ‘Columbia Star’ differs from the commercial variety ‘Black Diamond’ (unpatented) in that ‘Columbia Star’ carries the ‘Lincoln Logan’ (unpatented) source of spinelessness and therefore the canes are completely spineless and the plants are vigorous with fruit that have excellent, aromatic flavor, while ‘Black Diamond’ (unpatented) carries the ‘Austin Thornless’ (unpatented) source of spinelessness and so has spines on the base of the canes and the plants are not vigorous and they produce fruit with a mild flavor.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physiology (AREA)
  • Botany (AREA)
  • Developmental Biology & Embryology (AREA)
  • Environmental Sciences (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Abstract

A new and distinct blackberry cultivar that originated from seed produced from a cross between the female blackberry plant ‘NZ 9629-1’ (unpatented) and the male parent blackberry plant ‘ORUS 1350-2’ (unpatented). This new blackberry cultivar can be distinguished by its high yields of large, very uniformly shaped berries with very good flavor, sweetness, and fruit chemistry as characterized by soluble solids, pH, and titratable acidity that make them well suited for processing. The new and distinct blackberry variety has fruit that are borne on vigorous, completely thornless plants and can be harvested by machine.

Description

Latin name of the genus and species of the plant claimed: ‘COLUMBIA STAR’ is a blackberry plant that is Rubus subg. Rubus Watson.
Variety denomination:
The new blackberry plant claimed is of the variety denominated ‘Columbia Star’ Rubus subg. Rubus Watson.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct blackberry cultivar designated ‘Columbia Star’ and botanically known as Rubus subg. Rubus Watson. This new blackberry cultivar was discovered in Corvallis, Oreg. in July 2008 and originated from a cross between the female blackberry plant ‘NZ 9629-1’ (unpatented) and the male parent blackberry plant ‘ORUS 1350-2’ (unpatented). ‘Columbia Star's spinelessness is derived from ‘Lincoln Logan’ (unpatented) that can be found as a parent four and five generations back in ‘Columbia Star's pedigree. The original seedling of the new cultivar was asexually propagated at a nursery in Benton County, Oreg. The new cultivar was established in vitro from a cane cutting and microcuttings have been taken and rooted from this sort of culture. The present invention has been found to be stable and reproduce true to type through successive asexual propagations.
BRIEF DESCRIPTION OF THE PHOTOGRAPHS
This new blackberry plant is illustrated by the accompanying photographs that show the fruit of the plant and machine harvested fruit, as well as canes and entire plants; the colors shown are as true as can be reasonably obtained by conventional photographic procedures.
FIG. 1. shows a section of a spineless primocane and a leaf.
FIG. 2. shows a fruiting lateral with typical leaves.
FIG. 3. shows typical fruit in a fruit cluster in the field.
FIG. 4. shows machine harvested fruit.
FIG. 5. shows an entire 5-year old plant.
 DETAILED DESCRIPTION OF THE NEW CULTIVAR
The following description of ‘Columbia Star’ is based on observations taken from 2009 to 2012 growing seasons in trials in Corvallis and Aurora, Oreg. This description is in accordance with UPOV terminology. Color designations, color descriptions and other phenotypical descriptions may deviate from the stated values and descriptions depending upon variation in environmental, seasonal, climatic and cultural conditions. ‘Columbia Star’ has not been observed under all possible environmental conditions. Color terminology follows The Royal Horticultural Society Colour Chart. London (R.H.S.) (5th edition, 2007).
Table 1 shows plant characteristics of the new cultivar compared with plant characteristics of the blackberry plants ‘Marion’, (unpatented) and ‘Black Diamond’, (unpatented). Characteristics include plant vigor, presence of spines further than 0.6 m from the soil surface, presence of spines less than 0.6 m from the soil surface, weight of primary fruit, uniformity of berry shape, fruit firmness, fruit flavor, fruit soluble solids (%; in Brix), fruit pH, fruit titratable acidity (% as citric acid), and yield (actual kg•plt-1).
TABLE 1
Characteristic Columbia Star Marion Black Diamond
Plant vigor High High Medium
Presence of spines further Absent Numerous Absent
than 0.6 m from the soil
surface
Presence of spines less than Absent Numerous Numerous
0.6 m from the soil surface
Weight of primary fruit 7.96 g 3.76 g 6.92 g
Uniformity of berry shape Excellent Fair Excellent
Fruit firmness Very good Poor Good
Fruit flavor Excellent Excellent Good
Fruit soluble solids (%; in 12.80 12.28 10.47
Brix)
Fruit pH 3.20 3.27 3.40
Fruit titratable acidity (% as 15.76 14.75 12.02
citric acid)
Yield (actual kg · plt-1) 6.98 5.83 4.75
Table 2 shows plant characteristics of the new cultivar compared with plant characteristics of the blackberry plants ‘Marion’, (unpatented) and ‘Black Diamond’, (unpatented). Characteristics include plant vigor, growth habit, date of budbreak, timing of primocane emergence, primocane length on 14 Jun. 2012, and winter tolerance in Lynden, Wash. (48° 56′ 48″ N/122° 27′ 2″ W).
TABLE 2
Characteristic Columbia Star Marion Black Diamond
Plant vigor High High Medium
Growth habit Trailing Trailing Trailing
Date of budbreak 27 Mar. 2012 27 Mar. 2012 27 Mar. 2012
Timing of primocane Early to medium Medium Medium to late
emergence
Winter tolerance in Good-very good Fair-good very good
Lynden, Washington
(48° 56′ 48″ N/
122° 27′ 2″ W)
Table 3 shows floricane and mature primocane characteristics of the new cultivar compared with floricane and mature primocane characteristics of the blackberry plants ‘Marion’, (unpatented) and ‘Black Diamond’, (unpatented). Characteristics include diameter at base, diameter at midpoint, diameter at terminus, internode length at base, internode length at midpoint, internode length at terminus, presence of spines further than 0.6 m from the soil surface, presence of spines less than 0.6 m from the soil surface, floricane color at base, floricane color at midpoint, floricane color at terminus, floricane lateral length, floricane lateral strength, primocane color at base, primocane color at midpoint, primocane color at terminus, and floricane length (range).
TABLE 3
Columbia
Characteristic Star Marion Black Diamond
Diameter at base 0.84 cm 1.13 cm 1.44 cm
Diameter at midpoint 0.56 cm 0.85 cm 0.80 cm
Diameter at terminus 0.31 cm 0.27 cm 0.55 cm
Internode length at base 6.03 cm 6.37 cm 5.04 cm
Internode length at 5.22 cm 5.63 cm 5.77 cm
midpoint
Internode length at 3.81 cm 5.99 cm 4.90 cm
terminus
Presence of spines Absent Numerous Absent
further than 0.6 m from
the soil surface
Presence of spines less Absent Numerous Numerous
than 0.6 m from the soil
surface
Floricane color at base 144A 146B 152A
Floricane color at 146C 146B 152A
midpoint
Floricane color at 144B 152C 152B
terminus
Floricane lateral length Medium- Long Short
long
Floricane lateral strength Medium Weak to medium Strong
Primocane color at base 144A 138B-146D w/red 144A w/red
(166A) streaking (187A) streaking
Primocane color at 144A 143C-145A w/ red 146C w/red
midpoint (166A) streaking (187A) streaking
Primocane color at 144B 146D 144A, often
terminus streaked w/red
(187A)
Floricane length (range) 2.8-3.7 m 4.9-5.8 m 2.7-4.3 m
Table 4 shows primocane foliage characteristics of the new cultivar compared with primocane foliage characteristics of the blackberry plants ‘Marion’, (unpatented) and ‘Black Diamond’, (unpatented). Primocane characteristics include mature compound leaf width, mature compound leaf length, number of leaflets per primocane compound leaf, mature leaflet shape, mature leaflet apex, mature leaflet base, mature terminal leaflet width, mature terminal leaflet length, mature first lateral leaflet width, mature first lateral leaflet length, leaflet margin, leaflet serration teeth length, leaflet serration teeth width at base, spine presence on leaves, pubescence on primocane leaflet: upper surface, pubescence on primocane leaflet: undersurface, primocane leaf color abaxial, primocane leaf color adaxial, petiole length, petiole color: upper surface, petiole color: undersurface, petiolule length: terminal leaflet, petiolule length: first distal leaflet, petiolule color: abaxial, petiolule color: adaxial, stipule length, and stipule width.
TABLE 4
Columbia
Characteristic Star Marion Black Diamond
Mature compound leaf 22.07 cm 17.21 cm 19.75 cm
width
Mature compound leaf 22.42 cm 15.52 cm 18.83 cm
length
Number of leaflets per Usually 5 Usually 3; Usually 5; ranges
primocane compound sometimes 5 from 3-7
leaf
Mature leaflet shape Ovate Ovate Ovate to Cordate
Mature leaflet apex Acute Broadly Broadly
acuminate/acute acuminate
Mature leaflet base Cordate Rounded Round to cordate
Mature terminal leaflet 8.70 cm 8.22 cm 7.43 cm
width
Mature terminal leaflet 11.68 cm 10.07 cm 8.83 cm
length
Mature first lateral 4.92 cm 5.97 cm 7.72 cm
leaflet width
Mature first lateral 7.30 cm 8.37 cm 10.07 cm
leaflet length
Leaflet margin Double Serrate Serrate
serrate
Leaflet serration teeth 0.42 cm 0.18 cm 0.24 cm
length
Leaflet serration teeth 1.07 cm 0.34 cm 0.40 cm
width at base
Spine presence on Absent Long prickles on Very short, soft
leaves sides and back of spines on sides
petiole, petio- and back of
lules, midveins; petiole, petio-
smaller prickles lules, midveins
on lateral veins and larger lateral
veins
Pubescence on Light Medium to Sparse
primocane leaflet: coarse
upper surface
Pubescence on Light Heavy, soft Heavy, soft
primocane leaflet:
undersurface
Primocane leaf color N137A N137 N137
abaxial
Primocane leaf color 137B 147B 147B
adaxial
Petiole length 8.18 cm 5.42 cm 7.90 cm
Petiole color: upper 144A 146B-C 146A & 146B,
surface maturing to
177A
Petiole color: 144B 144B 144B
undersurface streaked with
red 184A
Petiolule length: 2.83 cm 2.12 cm 4.43 cm
terminal leaflet
Petiolule length: first 0.28 cm 0.28 cm 0.68 cm
distal leaflet
Petiolule color: abaxial 200B 146B-146C 146A & 146B
Petiolule color: adaxial 144B 144B 144B
Stipule length 2.20 cm 1.39 cm 0.90 cm
Stipule width 0.20 cm 0.31 cm 0.23 cm
Table 5 shows floricane foliage characteristics of the new cultivar compared with floricane foliage characteristics of the blackberry plants ‘Marion’, (unpatented) and ‘Black Diamond’, (unpatented). Floricane characteristics include mature compound leaf width, mature compound leaf length, number of leaflets per floricane compound leaf, mature leaflet shape, mature leaflet apex, mature leaflet base, mature terminal leaflet width, mature terminal leaflet length, mature first lateral leaflet width, mature first lateral leaflet length, leaflet margin, leaflet serration teeth length, leaflet serration teeth width at base, pubescence on floricane leaflet: upper surface, pubescence on floricane leaflet: undersurface, floricane leaf color abaxial, floricane leaf color adaxial, petiole length, petiolule length: terminal leaflet, petiolule length: first distal leaflet, petiolule color: abaxial, petiolule color: adaxial, stipule length, and stipule width.
TABLE 5
Characteristic Columbia Star Marion Black Diamond
Mature compound 16.70 cm 13.52 cm 11.57 cm
leaf width
Mature compound 16.07 cm 12.32 cm 11.68 cm
leaf length
Number of leaflets per Usually 3 Usually 3; Usually 3;
floricane compound occasionally 1 occasionally
leaf 1 or 5
Mature leaflet shape Ovate Oval to ovate Oval to ovate
Mature leaflet apex Acute Acute to broadly Acute
acuminate
Mature leaflet base Rounded acute to rounded rounded to
cordate
Mature terminal 7.27 cm 6.55 cm 6.18 cm
leaflet width
Mature terminal 11.47 cm 8.00 cm 8.28 cm
leaflet length
Mature first lateral 6.18 cm 5.30 cm 4.77 cm
leaflet width
Mature first lateral 9.07 cm 7.67 cm 6.57 cm
leaflet length
Leaflet margin Double serrate Serrate Serrate
Leaflet serration teeth 0.29 cm 0.29 cm 0.27 cm
length
Leaflet serration teeth 0.48 cm 0.81 cm 0.64 cm
width at base
Pubescence on Light Light None
floricane leaflet:
upper surface
Pubescence on Light Heavy Medium
floricane leaflet:
undersurface
Floricane leaf color N137A 146A 147A
abaxial
Floricane leaf color 137C 148B 147B
adaxial
Petiole length 7.07 cm 4.67 cm 4.43 cm
Petiolule length: 2.28 cm 1.32 cm 1.90 cm
terminal leaflet
Petiolule length: first 0.30 cm 0.33 cm 0.23 cm
distal leaflet
Petiolule color: 145A 146C 146C
abaxial
Petiolule color: 185A & 145A 144C 144B
adaxial
Stipule length 1.36 cm 0.964 cm 0.25 cm
Stipule width 0.12 cm 0.19 cm 0.04 cm
Table 6 shows flower and flowering characteristics of the new cultivar compared with flower and flowering characteristics of the blackberry plants ‘Marion’, (unpatented) and ‘Black Diamond’, (unpatented). Flower and flowering characteristics include date 1st bloom, date full bloom, date last bloom, petal color, number of flowers per cluster, number of petals per flower, flower diameter, petal length, petal width, and number of sepals per flower.
TABLE 6
Characteristic Columbia Star Marion Black Diamond
Date 1st bloom 7-May 21-May 14-May
Date full bloom 15-May 28-May 21-May
Date last bloom 17 June 17 June 14 June
Petal color 155C NN155D NN155C
Number flowers per cluster 3.50 8.00 9.17
Number of petals per flower 5.17 5.17 5.33
Flower diameter 3.23 cm 6.14 cm 2.51 cm
Petal length 1.65 cm 1.93 cm 1.32 cm
Petal width 0.96 cm 1.21 cm 1.00 cm
Number of sepals per flower 5.83 5.50 5.83
Table 7 shows fruit and fruiting characteristics of the new cultivar compared with fruit and fruiting characteristics of the blackberry plants ‘Marion’, (unpatented) and ‘Black Diamond’, (unpatented). Fruit and fruiting characteristics include date 5% of fruit were ripe, date 50% of fruit were ripe, date 95% of fruit were ripe, weight of primary fruit, weight of secondary fruit, weight of tertiary fruit, diameter of primary fruit at equator, diameter of 2° fruit at equator, diameter of 3° fruit at equator, diameter of 1° fruit at poles: tip, diameter of 1° fruit at poles: base, diameter of 2° fruit at poles: tip, diameter of 2° fruit at poles: base, diameter of 3° fruit at poles: tip, diameter of 3° fruit at poles: base, berry length primary fruit, berry length 2° fruit, berry length 3° fruit, ratio of primary fruit length to width, shape description, uniformity of berry shape, color when full ripe, number of drupelets per fruit, drupelet weight, individual seed weight, glossiness, firmness, flavor, texture of fruit when chewed, drupelet skin resistance to abrasion, ease of separation of fruit from pedicel, machine harvestability, resistance to heat damage of fruit, berries per inflorescence—mean, berries per inflorescence range, soluble solids (%; in Brix), pH, titratable acidity (% as citric acid), and yield (actual kg•plt-1). Fruit is borne only on floricanes.
TABLE 7
Black
Characteristic Columbia Star Marion Diamond
Date 5% of fruit were ripe 7 July 14 July 7 July
Date 50% of fruit were ripe 18 July 21 July 25 July
Date 95% of fruit were ripe 1 August 1 August 4 August
Weight of primary fruit 7.96 g 3.76 g 6.92 g
Weight of secondary fruit 9.68 g 4.21 g 6.49 g
Weight of tertiary fruit 8.02 g 6.79 g 6.44 g
Diameter of primary fruit 1.94 cm 1.71 cm 1.98 cm
at equator
Diameter of 2° fruit at 1.98 cm 1.80 cm 1.96 cm
equator
Diameter of 3° fruit at 1.88 cm 1.91 cm 1.90 cm
equator
Diameter of 1° fruit at 1.28 cm 1.05 cm 1.24 cm
poles: tip
Diameter of 1° fruit at 1.68 cm 1.63 cm 1.82 cm
poles: base
Diameter of 2° fruit at 1.25 cm 1.04 cm 1.12 cm
poles: tip
Diameter of 2° fruit at 1.82 cm 1.60 cm 1.70 cm
poles: base
Diameter of 3° fruit at 3.85 cm 1.14 cm 1.25 cm
poles: tip
Diameter of 3° fruit at 1.73 cm 1.79 cm 1.76 cm
poles: base
Berry length primary fruit 3.83 cm 2.65 cm 3.19 cm
Berry length 2° fruit 3.84 cm 2.56 cm 2.91 cm
Berry length 3° fruit 3.62 cm 3.39 cm 2.88 cm
Ratio of primary fruit 1.98 1.55 1.62
length to width
Shape description Conic Rough conic Conic
Uniformity of berry shape Excellent Fair Excellent
Color when full ripe 203B 203C 203B
Number of drupelets per 147.67 59.00 75.83
fruit
Drupelet weight 5.10 mg 9.30 mg 7.90 mg
Individual seed weight 3.95 mg 3.95 mg 3.95 mg
Glossiness Medium Medium Medium
glossy to dull glossy to dull glossy
to dull
Firmness Very good Poor Good
Flavor Excellent Excellent Good
Texture of fruit when Very good to Excellent Very good
chewed excellent
Drupelet skin resistance to Good Poor Good
abrasion
Ease of separation of fruit Easy Easy Easy
from pedicel
Machine harvestability Excellent Excellent Excellent
Resistance to heat damage Medium to Low Medium to
of fruit good good
Berries per inflorescence - 7.00 7.20 11.50
mean
Berries per inflorescence 5-10 7-8 9-14
range
Soluble solids (%; in Brix) 12.80 12.28 10.47
pH 3.20 3.27 3.40
Titratable acidity 15.76 14.75 12.02
(% as citric acid)
Yield (actual kg · plt-1) 6.98 5.83 4.75
COMPARISON WITH PARENTAL AND COMMERCIAL VARIETIES
‘Columbia Star’ differs from the female parent ‘NZ 9629-1’ (unpatented) in that ‘Columbia Star’ has medium-sized, glossy, large fruit (7-8 g), while ‘NZ 9629-1’ has slightly pubescent fruit that are smaller (4.5 g). Furthermore, while ‘Columbia Star’ has yields greater than ‘Marion’ (unpatented) ‘NZ 9629-1’ (unpatented) has yields comparable to ‘Marion’
‘Columbia Star’ differs from the male parent blackberry plant ‘ORUS 1350-2’ (unpatented) in that it is ‘Columbia Star’ is spineless, has large (7-8 g), conic berries with excellent flavor, while ‘ORUS 1350-1’ (unpatented) is spiny, and has very large (10-12 g), barrel shaped berries with poor flavor.
‘Columbia’ Star differs from the commercial variety ‘Marion’ (unpatented) in that ‘Columbia Star’ is spineless and bears high yields of large, firm fruit, while ‘Marion’ is spiny, bears medium yields of medium sized, soft fruit. ‘Columbia Star’ differs from the commercial variety ‘Black Diamond’ (unpatented) in that ‘Columbia Star’ carries the ‘Lincoln Logan’ (unpatented) source of spinelessness and therefore the canes are completely spineless and the plants are vigorous with fruit that have excellent, aromatic flavor, while ‘Black Diamond’ (unpatented) carries the ‘Austin Thornless’ (unpatented) source of spinelessness and so has spines on the base of the canes and the plants are not vigorous and they produce fruit with a mild flavor.

Claims (1)

I claim:
1. A new and distinct cultivar of blackberry plant, substantially as illustrated and described, characterized by its high yields of large, very uniformly shaped berries with very good flavor, sweetness, as characterized by soluble solids, pH, and titratable acidity that make them well suited for processing and that are borne on vigorous, completely thornless plants that can be harvested by machine.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USPP17983P2 (en) 2004-10-20 2007-09-04 Driscoll Strawberry Associates, Inc. Blackberry plant named ‘Driscoll Thornless Sleeping Beauty’
USPP22002P2 (en) 2009-12-28 2011-07-05 Driscoll Strawberry Associates, Inc. Blackberry plant named ‘DrisBlackTwo’

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USPP17983P2 (en) 2004-10-20 2007-09-04 Driscoll Strawberry Associates, Inc. Blackberry plant named ‘Driscoll Thornless Sleeping Beauty’
USPP22002P2 (en) 2009-12-28 2011-07-05 Driscoll Strawberry Associates, Inc. Blackberry plant named ‘DrisBlackTwo’

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