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Leumayel

Shasta Daisy

Denomination: 'Leumayel'
Trade name: Broadway Lights
Botanical Name: Leucanthemum maximum
Applicant/Holder: Syngenta Crop Protection AG
Rosentalstrasse 67
Basel
CH-4058
Switzerland
Breeder: Manfred Mehrig-Lemper, Syngenta Seeds B.V., Enkhuizen, Netherlands
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-317-7511
Application Date: 2005-04-22
Application Number: 05-4771
Grant of Rights Date: 2007-11-28
Certificate Number: 3028
Date rights surrendered: 2012-12-14

Variety Description

Variety used for comparison: 'Snow Cap'

Summary: 'Leumayel' begins flowering later than 'Snow Cap'. 'Leumayel' has more ray florets per flower than 'Snow Cap'. The ray florets of 'Leumayel' are light yellow on the upper side and white green on the lower side whereas those of 'Snow Cap' are white on both the upper and lower sides. After anther dehiscence, the floret disc of 'Leumayel' is yellow orange while that of 'Snow Cap' is yellow.

Description:

PLANT: bushy rounded growth habit

LEAF: basal arrangement in plant, alternate arrangement on flowering stems, narrow elliptic to oblanceolate, cuspidate apex, attenuate base, serrate margin, dark green on upper side, medium to dense pubescence on upper side
PETIOLE: present

FLOWERING: beginning mid-season
PEDUNCLE: medium in thickness
FLOWER: semi-double type
RAY FLORET: average number per flower, mostly reflexed and sometimes twisted along longitudinal axis, length to width ratio 2:1, upper side is yellow green upon opening changing to light yellow green when fully open and becoming white with age, lower side is white green
FLORET DISC: yellow orange before anther dehiscence, fading after anther dehiscence

Origin & Breeding History: 'Leumayel' was developed by the breeder, Manfred Mehring-Lemper, in New Eichenburg, Germany. It originated from an open pollinated cross between the female parent designated 'S055' and a mixture of pollen from a population designated '65-86' which took place in 1999. 'Leumayel' was selected in June of 2000, based on criteria for flower quality and quantity, flower colour, leaf shape and plant vigour.

Tests & Trials: The test and trial for 'Leumayel' was conducted in a poly-house during the spring of 2006 at BioFlora Inc. in St. Thomas, Ontario. The trial included 15 plants of each variety. Rooted cuttings were transplanted into 15 cm pots on April 20, 2006. Observations and measurements were taken from 10 plants of each variety on July 14, 2006. All colour measurements were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Leumayel' with reference variety 'Snow Cap'

Number of ray florets per flower

  'Leumayel' 'Snow Cap'
mean 44.8 29.4

Colour of upper side of ray floret (RHS)

  'Leumayel' 'Snow Cap'
upon opening 4C 155C
fully open 4D N/A
at maturity 157D N/A

Colour of ray floret (RHS)

  'Leumayel' 'Snow Cap'
lower side 157D white

Colour of floret disc (RHS)

  'Leumayel' 'Snow Cap'
before anther dehiscence 14A 14A
after anther dehiscence 14A-B 9B

Click on image for larger view
Leumayel
Shasta Daisy: 'Leumayel' (left) with reference variety 'Snow Cap' (right)

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