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DrisStrawFiftyFive

Strawberry

Denomination: 'DrisStrawFiftyFive'
Botanical Name: Fragaria × ananassa
Applicant/Holder: Driscoll's, Inc.
345 Westridge Drive
Watsonville, California
95076
United States of America
Breeder: Matthias D. Vitten, Driscoll's, Inc., Watsonville, United States of America
Carlos D. Fear, Driscoll's, Inc., Watsonville, United States of America
Katalin M. Pakozdi, Driscoll's, Inc., Watsonville, United States of America
Katarzyna Blake, 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: 2017-06-27
Provisional Protection:: 2017-09-27
Application Number: 17-9297
Grant of Rights Date: 2022-05-04
Certificate Number: 6579
Exemption from compulsory licensing: Yes
Expiry date for exemption from compulsory licensing: 2024-05-04
Grant of Rights Termination Date: 2042-05-04

Note: The applicant has requested an exemption from compulsory licensing to allow time to multiply and distribute propagating material of the variety. If the exemption is granted, it may be allowed for two years from the date rights are granted for the variety.


Variety Description

Varieties used for comparison: 'Camarosa' and 'Tamir'

Summary: The plants of 'DrisStrawFiftyFive' have many stolons whereas the plants of both reference varieties have a medium number of stolons. The stolons of 'DrisStrawFiftyFive' have a weak intensity of anthocyanin colouration whereas the stolons of 'Camarosa' have a medium to strong intensity of anthocyanin colouration and the stolons of 'Tamir' have an absent or very weak intensity of anthocyanin colouration. The leaf of 'DrisStrawFiftyFive' is small to medium sized whereas the leaf of 'Camarosa' is medium sized. The terminal leaflet of 'DrisStrawFiftyFive' has a length equal to the width whereas the terminal leaflet of both reference varieties are moderately longer than wide. In cross-section, the terminal leaflet of 'DrisStrawFiftyFive' is straight whereas the terminal leaflet of 'Camarosa' is concave. The inflorescence of 'DrisStrawFiftyFive' is positioned at the same level as the foliage whereas the inflorescence of 'Camarosa' is positioned above the foliage. The inflorescence of 'DrisStrawFiftyFive' has a medium number of flowers whereas the inflorescence of 'Tamir' has few flowers. The calyx of 'DrisStrawFiftyFive' is the same size as the corolla whereas the calyx of 'Camarosa' is larger than the corolla. The petal of 'DrisStrawFiftyFive' is moderately shorter than wide whereas the petal of 'Camarosa' has a length equal to the width. The calyx of 'DrisStrawFiftyFive' is slightly larger than the fruit whereas the calyx of 'Camarosa' is much larger than the fruit. The adherence of the calyx to the fruit of 'DrisStrawFiftyFive' is of medium strength whereas the adherence of the calyx for 'Camarosa' is very strong. The fruit of 'DrisStrawFiftyFive' is medium sized and conical whereas the fruit of 'Camarosa' is large and globose. The difference in shape of the terminal fruit from the other fruit of 'DrisStrawFiftyFive' is none or very slight whereas the difference for 'Camarosa' is moderate. The surface of the fruit of 'DrisStrawFiftyFive' is even or very slightly uneven whereas the fruit surface of 'Camarosa' is slightly uneven. The fruit of 'DrisStrawFiftyFive' has a narrow band without achenes whereas the fruit of 'Tamir' has an absent or very narrow band without achenes. The core of the fruit of 'DrisStrawFiftyFive' is light red whereas the fruit core of 'Camarosa' is medium red.

Description:

PLANT: partially remontant bearing type, semi-upright growth habit, medium foliage density, medium vigour
STOLONS: many, weak intensity of anthocyanin colouration, medium density pubescence

PETIOLE: medium length, slightly outwards attitude of hairs
STIPULE: absent or very weak intensity of anthocyanin colouration
LEAF: small to medium sized, dark green upper side, absent or weak blistering, strong degree of glossiness on upper side, no variegation
TERMINAL LEAFLET: length equal to width, acute base, crenate margin, straight in cross-section

FLOWERING: begins mid-season
INFLORESCENCE: positioned at same level as foliage, medium number of flowers
PEDICEL: upwards attitude of hairs
FLOWER: calyx same size as corolla, medium diameter, overlapping petal arrangement, stamen present
PETAL: length moderately shorter than width, white inner side

CALYX: attachment level with fruit, diameter slightly larger than fruit, upwards attitude of sepals, medium adherence to fruit
FRUIT: begins ripening mid-season, moderately shorter than wide, medium sized, conical, none or very slight difference in shape between terminal fruit and other fruit, medium firmness, medium sized cavity
FRUIT SURFACE: medium red, even or very slightly uneven colour distribution, medium glossiness, even or very slightly uneven, narrow band without achenes, achenes positioned above surface
FRUIT FLESH: orange red, light red core

Origin & Breeding History: DrisStrawFiftyFive' originated from a cross conducted on February 12, 2010 in East Malling, Kent, United Kingdom. The cross was made between the proprietary female parent designated 'KGEM0102' and the proprietary male parent designated 'RUK219-001'. A single plant was selected in May of 2011. Asexual propagation by stolons began in July of 2011 in East Malling, Kent, United Kingdom based on fruit shape, size and flavour. Further propagation and testing was conducted in East Malling from 2011 to 2016.

Tests & Trials: The detailed description of 'DrisStrawFiftyFive' is based on the UPOV report of Technical Examination, application number 2017/1843, purchased from the Community Plant Variety Office, in Angers, France. The trials were conducted at the Escaroupim Studies Center - Ministry of Agriculture, Forestry and Rural Development, in Portugal from 2019 to 2020.

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DrisStrawFiftyFive
Strawberry: 'DrisStrawFiftyFive'

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DrisStrawFiftyFive
Strawberry: 'DrisStrawFiftyFive'

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DrisStrawFiftyFive
Strawberry: 'DrisStrawFiftyFive'

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