DrisRaspThree

Raspberry

Denomination: 'DrisRaspThree'
Trade name: Driscoll's Carmina
Botanical Name: Rubus idaeus
Applicant/Holder: Driscoll's, Inc.
A California Corporation
P.O. Box 50045, 345 Westridge Drive
Watsonville, California
95077-5045
United States of America
Breeder: Richard E. Harrison, Aptos, United States of America
Lluvia V. Gutierrez, Salinas, United States of America
Brian K. Hamilton, Richmond, United States of America
Miguel H. Ahumada, Ojai, United States of America
Agent in Canada: Expert Agriculture Team Ltd.
46420 Prairie Central Road
Chilliwack, British Columbia
V2P 6H3
Canada
Tel: 604-795-2537
Application Date: 2012-08-24
Application Number: 12-7714
Grant of Rights Date: 2016-01-06
Certificate Number: 5170
Grant of Rights Termination Date: 2036-01-06

Variety Description

Varieties used for comparison: 'Maravilla' and 'Heritage'

Summary: The current season's canes of 'DrisRaspThree' are shorter than those of both reference varieties. The intensity of anthocyanin colouration on the current season's cane is weak for 'DrisRaspThree' whereas it is strong for the reference varieties. On the current season's cane, the spines of 'DrispRaspThree' are small to medium at the base and short to medium in length whereas those of 'Maravilla' are very small at the base and very short. The leaf of 'DrisRaspThree' is light green whereas the leaf of 'Maravilla' is medium to dark green and 'Heritage' is medium green. 'DrisRaspThree' has medium to many spines on the pedicel whereas 'Maravilla' has few. The peduncle of 'DrisRaspThree' has a very weak intensity of anthocyanin colouration whereas that of 'Heritage' is strong. The length to width ratio of the fruit of 'DrisRaspThree' is small to medium whereas it is very small for both reference varieties. On the current season's cane, flowering and fruit ripening begin late in the season for 'DrisRaspThree' where as they begin mid-season for 'Heritage'.

Description:

PLANT: upright growth habit, bears fruit on both previous season's cane in summer and on current season's cane in autumn
VERY YOUNG SHOOT DURING RAPID GROWTH: no anthocyanin colouration on middle third, weak intensity of anthocyanin colouration at apex

PREVIOUS SEASON'S CANE: vegetative bud burst occurs mid-season, flowering begins mid-season, fruit ripening begins mid to late season, fruiting period lasts a medium length of time

CURRENT SEASON'S CANE: emerges mid-season, medium amount to many, medium to strong bloom, weak intensity of anthocyanin colouration, medium to long internode length, short to medium length of vegetative bud, flowering begins late in season, fruit ripening begins late in season
SPINE ON CURRENT SEASON'S CANE: sparse to medium density, small to medium base, short to medium length, brownish purple
LEAF ON CURRENT SEASON'S CANE: light green on upper side, predominantly five leaflets
LEAFLET ON CURRENT SEASON'S CANE: convex in cross-section, weak to weak to medium rugosity, lateral leaflets not touching

FLOWER: medium size

FRUITING LATERAL: semi-erect attitude
PEDUNCLE: very weak intensity of anthocyanin colouration
PEDICEL: medium to many spines
FRUIT: medium to long, medium width, small to medium length to width ratio, medium conical shape in lateral view, single drupe is medium sized, dark red, medium glossiness, medium firmness, weak to medium adherence to plug

Origin & Breeding History: 'DrisRaspThree' arose from a controlled cross between proprietary lines 'X146.7' (female parent) and 'S858.1' (male parent). Breeding was conducted in Santa Cruz, California in April 2002. 'DrisRaspThree' was selected from the seedling population in October 2003. 'DrisRaspThree' was asexually propagated in Santa Cruz, California and underwent propagation and continued testing for four years. Selection criteria included yield, flavour, and vigour.

Tests & Trials: The comparative trials for 'DrisRaspThree' were conducted in Chilliwack, British Columbia during the 2014 growing season. The plots were planted in the spring of 2013 in a randomized complete block design (RCBD). Each variety consisted of 3 replicates with 5 plants per replicate for a total of 15 plants of each variety. Plants were spaced approximately 61 centimetres apart within rows and 3 metres between rows.


Comparison table for 'DrisRaspThree' with reference varieties 'Maravilla' and 'Heritage'

Length of current season's cane (cm)

  'DrisRaspThree' 'Maravilla' 'Heritage'
mean 159.30 195.90 207.10
std. deviation 24.44 26.80 8.98

Click on image for larger view
DrisRaspThree
Raspberry: 'DrisRaspThree' (top left) with reference varieties 'Maravilla' (top right) and 'Heritage' (bottom)

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