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Disno

Hydrangea

Denomination: 'Disno'
Trade name: Snowy White
Botanical Name: Hydrangea macrophylla
Applicant/Holder: Hi Breeding B.V.
Hooflaan 17
De Lier
2678 KM
Netherlands
Breeder: Roy Robin van Dijk, Hi Breeding B.V., De Lier, Netherlands
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-317-7511
Application Date: 2020-04-07
Provisional Protection:: 2020-04-07
Application Number: 20-10136
Grant of Rights Date: 2023-02-21
Certificate Number: 6783
Grant of Rights Termination Date: 2043-02-21

Variety Description

Varieties used for comparison: 'H213902' and 'SAXBRIWHI'

Summary: Including the inflorescence, the natural plant height of 'Disno' is short while that of 'H213902' is of short to medium height. The upper side of the leaf blade of 'Disno' is medium green while that of 'H213902' is dark green. The upper side of the leaf blade of 'Disno' has an absent or weak degree of glossiness while that of 'SAXBRIWHI' has a medium degree of glossiness. The inflorescence of 'Disno' is of short to medium height while that of 'H213902' is tall and that of 'SAXBRIWHI' is short. The calyx diameter of the sterile flower of 'Disno' is medium to large while that of 'H213902' is large and that of 'SAXBRIWHI' is medium sized. The margin incisions of the sepal of the sterile flower of 'Disno' are absent while those of 'SAXBRIWHI' are present.

Description:

PLANT: non-climbing type, semi-upright growth habit, short

STEM: no fasciation, green, many black lenticels in autumn

LEAF BLADE: short, narrow, no lobing, elliptic shape, short tip, rounded base, shallow incisions along margin, no variegation, medium green, no secondary colour, absent or weak glossiness of upper side, weak degree of blistering

INFLORESCENCE: globular, short to medium height, medium to large diameter, inconspicuous or slightly conspicuous fertile flowers, flowers mid-season
CALYX: medium to large diameter
STERILE FLOWER: single type
SEPALS OF STERILE FLOWER: medium degree of overlapping, no incisions along margin, when fully opened white (RHS NN155B), no secondary colour

Origin & Breeding History: 'Disno' originated from a controlled cross conducted by the breeder Roy Robin van Dijk in De Lier, Netherlands in April 2010. The cross was made between two proprietary selections, the female parent designated '1005' and the male parent designated '1009'. From the resulting progeny, 'Disno' was selected as a single unique plant in April 2012 in De Lier, Netherlands based on its overall plant form and appearance, branch strength, reblooming, disease tolerance and shelf life.

Tests & Trials: The detailed description of 'Disno' is based on the UPOV report of Technical Examination, application number 20141958, purchased from the Community Plant Variety Office in Angers, France. The trials were conducted by Groupe d'Étude et de Contrôle des Variétés et des Semences in Brion, France between February 15, 2015 and December 15, 2016. Colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.

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Disno
Hydrangea: 'Disno'

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