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Britena

Verbena

Denomination: 'Britena'
Trade name: Lanai Bright Eye
Botanical Name: Glandularia ×hybrida
Applicant/Holder: Syngenta Crop Protection AG
Schwarzwaldallee 215
Basel
4058
Switzerland
Breeder: Henricus G.W. Stemkens, 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: 2008-11-12
Application Number: 09-6740
Grant of Rights Date: 2011-08-19
Certificate Number: 4134
Grant of Rights Termination Date: 2029-08-19

Variety Description

Variety used for comparison: 'Arbena' (Lanai Strawberry and Cream)

Summary: The leaf blade of 'Britena' is longer and wider than the leaf blade of 'Arbena'. The calyx of 'Britena' has anthocyanin colouration present on the upper part while the calyx of 'Arbena' has no anthocyanin in the calyx. The tip of the hairs on the edge of the corolla tube are purple for 'Britena' while they are light green for 'Arbena'. The corolla of 'Britena' is purple red when newly opened changing to a lighter purple red when fully opened while the corolla of 'Arbena' is dark pink red when newly opened changing to purple red when fully opened. The corolla of 'Britena' has an eye zone present while the corolla of 'Arbena' has no eye zone.

Description:

PLANT: creeping growth habit
STEM: dense pubescence, medium green, medium anthocyanin colouration on middle third

LEAF: ovate, cuneate and truncate base, no divisions, crenate and serrate margin incisions, upper side medium green with no anthocyanin colouration

INFLORESCENCE: broad ovate in profile
CAYLX: anthocyanin colouration present on upper part
COROLLA TUBE: hairs purple at tip
COROLLA LOBES: not touching, longitudinal axis straight, absent to very weak margin undulation, one colour on upper side, even colour pattern, upper side purple red (RHS N57A) when newly opened, purple red (RHS N57C) when fully opened, aging to white to light blue pink (RHS 69B), lower side blue pink (RHS 65A), colour strongly fading with age
COROLLA EYE: large to very large, violet (RHS N78A) bordered with purple (RHS N74A).

Origin & Breeding History: The variety 'Britena' originated from an open pollinated cross made in Enkhuizen, The Netherlands in the spring of 2004. The female parent was a proprietary variety designated G0809-2, characterized by rose coloured flowers without an eye. The male parent was unknown. The new variety was selected as a single seedling in the late fall of 2004 based on criteria that included flower colour, plant habit and production characteristics.

Tests & Trials: Trials for 'Britena' were conducted in a polyhouse during the spring of 2010, in St. Thomas, Ontario. The trial included a total of 15 plants each of the candidate and reference varieties. All plants were grown from rooted cuttings and transplanted into 11 cm pots on May 4, 2010. Observations and measurements were taken from 10 plants of each variety on June 4, 2010. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Britena' with reference variety 'Arbena'

Leaf blade length (mm)

  'Britena' 'Arbena'
mean 50.6 39.3
std. deviation 4.72 3.00

Leaf blade width (mm)

  'Britena' 'Arbena'
mean 30.3 25.0
std. deviation 3.13 1.05

Colour of corolla (RHS)

  'Britena' 'Arbena'
upper side - newly opened N57A 52A
upper side - fully opened N57C 58C, redder than N57A at base
upper side - eye zone N78A with border of N74A N/A
lower side 65A 61D with white at base

Click on image for larger view
Britena
Verbena: 'Britena' (left) with reference variety 'Arbena' (right)

Click on image for larger view
Britena
Verbena: 'Britena' (left) with reference variety 'Arbena' (right)

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