Bonwell

Cucumber

Variety Description

Variety used for comparison: 'Oxwell'

Summary: The upper side of the leaf blade of 'Bonwell' is medium green whereas the leaf blade of 'Oxwell' is medium to dark green. The fruit of 'Bonwell' is short to medium in length, but shorter than the fruit of 'Oxwell' which is also short to medium in length. The shape of the stem end of the fruit of 'Bonwell' is obtuse, but more truncate than the stem end of the fruit of 'Oxwell' which is also obtuse.

Description:

PLANT: produces Beth Alpha type fruit, gynoecious sex expression, predominantly two female flowers per node, parthenocarpy present, indeterminate growth type, length of first 15 internodes is medium

COTYLEDON: no bitterness

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

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

PEDUNCLE: short to medium length
FRUIT: short to medium length, small to medium diameter, small length to diameter ratio, medium to large core diameter in relation to diameter of fruit, round shape in transverse section, shape of stem end is obtuse, shape of calyx end is obtuse, absent or weak ribs, no sutures, weak to medium degree of creasing, no warts, absent or very short stripes, no dots
FRUIT VESTITURE: prickles only type, medium density of 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 and Cucumber Vein Yellowing Virus (CVYU) present; highly resistant to Cucumber Mosaic Virus (CMV); moderately resistant to powdery mildew (Podosphaera xanthii) (Px); no resistance to Corynespora blight and Target leaf spot (Corynespora cassiicola) (Cca)

Origin & Breeding History: 'Bonwell' (breeder designation 22-551 RZ) is a mini-cucumber variety suitable for heated cultivation. It originated from a cross made in the autumn of 2011, in the Netherlands. The resulting hybrid, 'Bonwell', was selected for its plant characteristics, stable fruit quality during the growing season, yield and resistance to Cucumber Green Mottle Mosaic Virus (CGMMV).

Tests & Trials: The detailed description of 'Bonwell' is based on the UPOV report of Technical Examination, application number KMK1174, purchased from Naktuinbouw in Roelofarendsveen, Netherlands. The trial was conducted by Naktuinbouw in Roelofarendsveen, Netherlands from 2016 to 2017.

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Cucumber: 'Bonwell' (right) with reference variety 'Oxwell' (left)