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Denomination: 'Argymidowi'
Trade name: Molimba Mini Double White
Botanical Name: Argyranthemum frutescens
Applicant/Holder: Syngenta Crop Protection AG
Schwarzwaldallee 215
Breeder: Ánna M.W.P. Houbraken, Syngenta Seeds B.V., Enkhuizen, Netherlands
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-317-7511
Application Date: 2006-11-09
Application Number: 06-5642
Grant of Rights Date: 2008-07-18
Certificate Number: 3265
Date rights surrendered: 2009-08-25

Variety Description

Varieties used for comparison: 'Supa594' (Summersong White) and 'OHMADCAMA' (Madeira Double White)

Summary: 'Argymidowi' has shorter plants and broader leaf blades with a longer lateral lobe than the reference varieties. The leaf blades of 'Argymidowi' are dark blue green while those of the reference varieties are medium green. 'Argymidowi' has smaller diameter flowers than 'OHMADCAMA'. The longitudinal axis of the ray florets is straight for 'Argymidowi' while it is slightly reflexed for 'Supa594'.


PLANT: upright compact growth habit, very short to short, very narrow to narrow, very dense foliage

LEAF BLADE: medium length, medium width, attenuate base, mucronate apex, dark blue green
LEAF BLADE LATERAL LOBE: medium length, narrow

PEDUNCLE: short, medium to thick
FLOWER: medium diameter, double
RAY FLORET: straight along longitudinal axis, medium length, medium width, 2.7:1 ratio of length to width, white on upper and lower sides
FLORET DISC: white before and after dehiscence

Origin & Breeding History: 'Argymidowi' was developed by the breeder, Anna M.W.P. Houbraken, an employee of Syngenta Seeds B.V. in Enkhuizen, The Netherlands. It originated from a controlled cross made in August 2001 in Enkhuizen, The Netherlands, between the female parent designated 'D0039-1' and mixed pollen from unidentified Argyranthemum frutescens plants. 'Argymidowi' was selected from the resultant progeny as a single plant in August 2002 based on its' plant habit, foliage colour and double flower type.

Tests & Trials: Trials for 'Argymidowi' were conducted in a polyhouse during the spring of 2007 at BioFlora Inc. in St. Thomas, Ontario. The trials included 15 plants per variety. Rooted cuttings were transplanted into 15 cm pots on March 23, 2007. Measured characteristics were based on measurements taken from 10 plants or parts of plants on May 25, 2007. All colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'Argymidowi' with reference varieties 'Supa594' and 'OHMADCAMA'

Plant height (cm)

  'Argymidowi' 'Supa594' 'OHMADCAMA'
mean 16.3 19.2 20.6
std. deviation 1.92 1.81 2.42

Leaf blade width (cm)

  'Argymidowi' 'Supa594' 'OHMADCAMA'
mean 3.1 2.4 2.2
std. deviation 0.32 0.36 0.37

Leaf blade lateral lobe length (cm)

  'Argymidowi' 'Supa594' 'OHMADCAMA'
mean 2.6 2.1 1.4
std. deviation 0.33 0.19 0.18

Click on image for larger view
Argyranthemum: 'Argymidowi' (left) with reference varieties 'Supa594' (centre) and 'OHMADCAMA' (right)

Click on image for larger view
Argyranthemum: 'Argymidowi' (left) with reference varieties 'Supa594' (centre) and 'OHMADCAMA' (right)

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