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Cervello

Cucumber

Denomination: 'Cervello'
Botanical Name: Cucumis sativus
Applicant/Holder: Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Burgemeester Crezeelaan 40
Postbus 40, 2678 ZG
De Lier
2678 KX
Netherlands
Breeder: Rijk Zwaan Zaadteelt en Zaadhandel B.V., De Lier, Netherlands
Agent in Canada: Rijk Zwaan Canada Ltd.
1008 Mersea Road 7
Leamington, Ontario
N8H 3V8
Canada
Tel: +1 519 322 0442
Application Date: 2017-09-26
Provisional Protection:: 2017-09-26
Application Number: 17-9296
Grant of Rights Date: 2019-02-21
Certificate Number: 5925
Grant of Rights Termination Date: 2039-02-21

Variety Description

Variety used for comparison: 'Amazone'

Summary: The length of the fruit of 'Cervello' is long, but longer than the fruit of 'Amazone' which is also long. At the market stage, the intensity of the ground colour of the skin of the fruit is dark for 'Cervello' whereas the intensity is medium to dark for 'Amazone'.

Description:

PLANT: produces Dutch type fruit, gynoecious sex expression, predominantly one or two female flowers per node, parthenocarpy present, indeterminate growth type, length of first 15 internodes is medium to long

COTYLEDON: no bitterness

LEAF BLADE: horizontal attitude, medium to long, medium to large ratio of length of terminal lobe in relation to length of blade, shape of apex of terminal lobe is right angled, medium to dark green upper side, weak to medium degree of blistering, absent or weak undulation of margin, very weak to weak dentation of margin

TIME OF DEVELOPMENT OF FEMALE FLOWERS (WHEN 80% OF PLANTS HAVE AT LEAST ONE FEMALE FLOWER): mid-season to late
OVARY VESTITURE: white

PEDUNCLE: long
FRUIT: long, medium diameter, large length to diameter ratio, medium core diameter in relation to diameter of fruit, round shape in transverse section, shape of stem end is necked, short to medium length of neck, shape of calyx end is obtuse, absent or weak ribs, no sutures, medium degree of creasing, no warts, absent or very short stripes, no dots
FRUIT VESTITURE: prickles only type, very sparse to sparse prickles, white
FRUIT SKIN: dark green ground colour at market stage, very weak to weak glaucosity, yellow ground colour at time of physiological ripening

DISEASE REACTIONS: resistance to Cladosporium cucumerinum, Corynespora blight and Target leaf spot (Corynespora cassiicola) (Caa), and Cucumber Vein Yellowing Virus (CVYU) present; susceptible to Cucumber Mosaic Virus (CMV); moderately resistant to powdery mildew (Podosphaera xanthii) (Px)

Origin & Breeding History: 'Cervello' (breeder designation 24-240 RZ) is a long cucumber variety suitable for heated cultivation. It originated from a cross made in the autumn of 2012, in the Netherlands. The resulting hybrid, 'Cervello', was selected for its plant characteristics, stable fruit quality during the growing season, yield, resistance to powdery mildew and resistance to Cucumber Green Mottle Mosaic Virus (CGMMV).

Tests & Trials: The detailed description of 'Cervello' is based on the UPOV report of Technical Examination, application number KMK1201, purchased from Naktuinbouw in Roelofarendsveen, Netherlands. The trial was conducted by Naktuinbouw in Roelofarendsveen, Netherlands from 2016 to 2017.

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Cervello
Cucumber: 'Cervello' (top) with reference variety 'Amazone' (bottom)

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