Meizorland

Rose

Denomination: 'Meizorland'
Trade name: White Drift
Botanical Name: Rosa
Applicant/Holder: CP Delaware, Inc.
103 Foulk Road, Suite 202
Wilmington, Delaware
19390-0904
United States of America
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-631-6241
Application Date: 2015-11-27
Application Number: 15-8765

Variety Description

Variety used for comparison: 'Sea Foam'

Summary: The leaf of 'Meizorland' is smaller than the leaf of 'Sea Foam'. The margin of the leaflet of 'Meizorland' has medium to strong undulation while the leaflet margin of 'Sea Foam' has absent or very weak undulation. The terminal leaflet of 'Meizorland' is obovate while it is medium elliptic for 'Sea Foam'. The flower bud of 'Meizorland' is light yellow while the flower bud is green brown for 'Sea Foam'. The flower of 'Meizorland' is smaller in diameter than the flower of 'Sea Foam'. The centre of the flower of 'Meizorland' is yellow whereas it is white for that of 'Sea Foam'. The inner side of the petal of 'Meizorland' has a small to medium sized medium yellow basal spot while the petal of 'Sea Foam' does not have a basal spot.

Description:

PLANT: shrub and ground cover type, moderately spreading growth habit
YOUNG SHOOT: medium intensity of anthocyanin colouration
PRICKLES: medium number excluding very small and hair-like prickles, strong reddish colour

LEAF: dark green on upper side, medium to strong glossiness of upper side, anthocyanin colouration present on rachis only
LEAFLET: medium to strong undulation of margin
TERMINAL LEAFLET BLADE: obovate shape, obtuse base, acuminate apex

FLOWERING SHOOT: medium number of flowering laterals, many flowers per lateral
SEPAL: medium extensions
FLOWER BUD: broad ovate in longitudinal section, light yellow (RHS 8C-D)
FLOWER: double type, average of 69 petals per flower, dense petals, white or near white colour group, yellow centre, round when viewed from above, upper part is flattened convex when viewed from the side, lower part is concave when viewed from the side, reflexing of petals one-by-one, strong fragrance
PETAL: obovate, one colour on inner side, even intensity of colour, white (RHS NN155C) on inner side, absent or very weak incisions along margin, medium to strong reflexing of margin, weak undulation of margin
BASAL PETAL SPOT (INNER SIDE): small to medium, medium yellow
BASAL PETAL SPOT (OUTER SIDE): white (RHS NN155C)

Origin & Breeding History: 'Meizorland' was discovered as a naturally occurring whole plant mutation of Rose variety 'Meiswetdom' in West Grove, Pennysylvania, USA on August 16, 2011. It was bred and developed by the breeder, Conception Fonseca, and employee of the Conard-Pyle Company. 'Meizorland' was selected based on its vigorous plant growth, continuous and abundant flowering, attractive foliage colour and glossiness, garden appeal and disease resistance to black spot, powdery mildew and rust. On August 16, 2011, 'Meizorland' was first vegetatively propagated by cuttings in West Grove, Pennysylvania, USA.

Tests & Trials: The comparative trial for 'Meizorland' was conducted in an outdoor irrigated container trial during the summer of 2016 at BioFlora Inc. in St. Thomas, Ontario. The trial included a total of 5 plants of the candidate variety and 8 plants of the reference variety. All plants were grown as bare-rooted plants and transplanted into 11.4 litre containers on April 26, 2016. Observations and measurements were taken from 10 plants, or parts of plants, of each variety on June 22, 2016. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Meizorland' with reference variety 'Sea Foam'

Leaf blade length (cm)

  'Meizorland' 'Sea Foam'
mean 8.8 9.4
std. deviation 0.53 0.43

Leaf blade width (cm)

  'Meizorland' 'Sea Foam'
mean 5.5 6.5
std. deviation 0.57 0.45

Colour of flower bud (RHS)

  'Meizorland' 'Sea Foam'
outer side 8C-D 151A

Flower diameter (cm)

  'Meizorland' 'Sea Foam'
mean 4.9 5.4
std. deviation 0.09 0.29

Click on image for larger view
Meizorland
Rose: 'Meizorland' (left) with reference variety 'Sea Foam' (right)

Click on image for larger view
Meizorland
Rose: 'Meizorland' (left) with reference variety 'Sea Foam' (right)

Click on image for larger view
Meizorland
Rose: 'Meizorland' (left) with reference variety 'Sea Foam' (right)

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