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Plants > Plant Breeders' Rights > Crop Reports

OHMADLEVA

(Argyranthemum)

Denomination:	OHMADLEVA
Previously Proposed Denomination:	OHAR02157
Synonym:	N/A
Trade name:	Madeira™ White
Botanical Name:	Argyranthemum
Applicant/Holder:	Bonza Botanicals Pty., Ltd. 244 Singles Ridge Road 2777 Yellow Rock, NSW Australia Tel:
Breeder:	Oasis Horticulture Pty. Ltd.
Agent in Canada:	L. Catherine Eckenswiller Fetherstonhaugh & Co. P.O. Box 2999, Station D Suite 900 - 55 Metcalfe Street Ottawa, ON K1P 5Y6 Canada Tel: 613-235-4373 Fax: 613-232-8440
Application Date:	2004-01-15
Application Number:	04-4001
Grant of Rights Date:	2006-11-02
Certificate Number:	2612
Grant of Rights Termination Date:	2024-11-02

Variety Description

Varieties used for comparison: 'Arg Whit' (Sassy™ White) and 'White Star'

Summary: 'OHMADLEVA' has shorter plants than the reference varieties. The plants of 'OHMADLEVA' are narrower than those of 'Arg Whit' and wider than those of 'White Star'. The leaf blades of 'OHMADLEVA' are green whereas those of 'Arg Whit' are blue-green. 'OHMADLEVA' has a longer peduncle, larger flower diameter and larger floret disc than 'White Star'. The flowers of 'OHMADLEVA' are semi-double while those of 'White Star' are single. The longitudinal axis of the ray florets is straight for 'OHMADLEVA' whereas it is reflexed for 'White Star'. The floret disc is yellow for'OHMADLEVA' while it is yellow-orange for 'White Star'.

Description: The plants of 'OHMADLEVA' have an upright bushy growth habit with medium to dense branching. The leaf blade has an attenuate shaped base and a mucronate apex. The leaf blade is medium green in colour.

'OHMADLEVA' begins flowering early and has a long flowering period. The peduncles are thin to medium and the flower head is semi-double. The ray florets are straight along the longitudinal axis and their length to width ratio is 3 to 1. The upper and lower sides of the ray floret are white and the disc is yellow.

Origin & Breeding History: 'OHMADLEVA' originated from a controlled breeding program conducted during the fall of 2001, in Winmalee, New South Wales, Australia. The female parent was the proprietary Argyranthemum breeding selection designated '01-103', characterized by its medium growth habit. The male parent was the proprietary Argyranthemum breeding selection designated '01-253', characterized by its lemon yellow flowers and double flower form. The initial selection was made in September 2002 and asexual propagation since than time has been through the use of vegetative cuttings.

Tests & Trials: 'OHMADLEVA' was tested in a polyhouse during the summer of 2005 at BioFlora Inc in St. Thomas, Ontario. The trial included 15 plants of the candidate and reference varieties grown in 6 inch pots. Observations and measurements were taken on 10 plants of each variety and all colour measurements were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.

Comparison table for 'OHMADLEVA'
	'OHMADLEVA'	'Arg Whit'*	'White Star'*
Plant height (cm)
mean	14.7	15.9	19.4
std. deviation	0.83	1.55	1.93
Plant width (cm)
mean	28.0	31.1	23.2
std. deviation	1.62	2.54	1.97
Peduncle length (mm)
mean	54.7	56.9	41.7
std. deviation	12.06	8.77	7.06
Flower diameter (cm)
mean	3.4	3.7	2.4
std. deviation	0.28	0.23	0.18
Disc diameter (mm)
mean	10.9	11.2	8.0
std. deviation	0.74	0.92	0.82
Colour of floret disc before anther dehiscence (RHS)
	9A	12A	13A
Colour of floret disc after anther dehiscence (RHS)
	darker than 12A	darker than 12A	14A
*reference varieties

Argyranthemum: 'Ohmadleva' (left) with reference varieties 'Arg Whit' (centre) and 'White Star' (right)
Argyranthemum: Ohmadleva (left) with reference varieties Arg Whit (centre) and White Star (right)

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