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DrisStrawFiftyThree

Strawberry

Denomination: 'DrisStrawFiftyThree'
Botanical Name: Fragaria × ananassa
Applicant/Holder: Driscoll's, Inc.
345 Westridge Drive
Watsonville, California
95076
United States of America
Breeder: Philip J. Stewart, Driscoll's, Inc., Watsonville, United States of America
Joanne F. Coss, Watsonville, United States of America
Amy Marie Edmondson, Driscoll's, Inc., Watsonville, United States of America
Agent in Canada: Lavery, De Billy, S.E.N.C.R.L. - LLP
1, Place Ville Marie, Bureau 4000
Montreal, Quebec
H3B 4M4
Canada
Tel: 514 397-5138
Application Date: 2017-06-06
Provisional Protection:: 2017-09-27
Application Number: 17-9302
Grant of Rights Date: 2021-05-07
Certificate Number: 6417
Exemption from compulsory licensing: Yes
Expiry date for exemption from compulsory licensing: 2023-05-07
Grant of Rights Termination Date: 2041-05-07

Variety Description

Variety used for comparison: 'DrisStrawFortyOne'

Summary: The plant foliage of 'DrisStrawFiftyThree' is of medium density while that of 'DrisStrawFortyOne' is dense. The upper side of the leaf of 'DrisStrawFiftyThree' is dark green with medium blistering while that of 'DrisStrawFortyOne' is darker green with absent or weak blistering. The plants of 'DrisStrawFiftyThree' begin flowering and fruit ripening early in the season while the plants of 'DrisStrawFortyOne' begin flowering and fruit ripening mid-season.

Description:

PLANT: partially remontant bearing type, spreading growth habit, medium density foliage, medium vigour
STOLONS: medium number, medium intensity of anthocyanin colouration, medium density pubescence

PETIOLE: short to medium length, horizontal attitude of hairs
STIPULE: strong intensity of anthocyanin colouration
LEAF: medium to large, dark green (RHS NN137B) on upper side, medium blistering, medium glossiness on upper side, no variegation
TERMINAL LEAFLET: equally long as it is wide, rounded base, serrate to crenate margin, convex in cross-section

FLOWERING: begins early season
INFLORESCENCE: positioned at same level as foliage, medium number of flowers
PEDICEL: upwards attitude of hairs
FLOWER: calyx is larger than corolla, medium to large diameter, petals overlapping, stamen present
PETAL: equally long as it is wide, white on inner side

CALYX: slightly larger diameter than diameter of fruit, medium to strong adherence to fruit, upwards attitude of sepals
FRUIT: begins ripening early, moderately longer than it is wide, medium size, conical shape, slight to moderate difference in shape between terminal fruit and other fruit of same fruit stalk, calyx attachment level with fruit, firm
FRUIT SURFACE: dark red, evenness of colour is even or very slightly uneven, medium glossiness, evenness of surface is even or very slightly uneven, medium width band without achenes, achenes positioned below surface
FRUIT FLESH: medium red, light red core, medium sized cavity

Origin & Breeding History: 'DrisStrawFiftyThree' originated from a controlled cross conducted in April 2010 between two proprietary varieties, 'DrisStrawFortyOne' as the patented female parent and '96Q116' as the male parent, in Shasta County, California, USA. In May 2011, a single plant was selected for its yield, fruit firmness and mildew tolerance in Monterey County, California. 'DrisStrawFiftyThree' was further propagated via stolons and underwent further testing from 2011 to 2016 in Monterey County, California.

Tests & Trials: The detailed description of 'DrisStrawFiftyThree' is based on the UPOV report of Technical Examination, application number 2017/288, purchased from the Plant Breeder's Rights Office of IP Australia in Palmwoods, QLD, Australia. The trials were conducted in Palmwoods, QLD, Australia from March to September 2018. Colour determinations were made using the 2015 Royal Horticultural Society (RHS) Colour Chart.


Comparison table for 'DrisStrawFiftyThree' with reference variety 'DrisStrawFortyOne'

Colour of leaf (RHS)

  'DrisStrawFiftyThree' 'DrisStrawFortyOne'
upper side NN137B 147A

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DrisStrawFiftyThree
Strawberry: 'DrisStrawFiftyThree'

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DrisStrawFiftyThree
Strawberry: 'DrisStrawFiftyThree'

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DrisStrawFiftyThree
Strawberry: 'DrisStrawFiftyThree'

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