Yobrunswick

Chrysanthemum

Denomination: 'Yobrunswick'
Trade name: Brunswick
Botanical Name: Chrysanthemum
Applicant/Holder: Syngenta Crop Protection AG
Schwarzwaldallee 215
Basel
4058
Switzerland
Breeder: Wendy Bergman, Syngenta Flowers, Inc., Alva, United States of America
Agent in Canada: Keepsake Plants, Ltd.
P.O. Box 370
268 Seacliff Drive West
Leamington, Ontario
N8H 3W3
Canada
Tel: 519-326-6121; Ext.224
Application Date: 2004-04-02
Application Number: 04-4159
Grant of Rights Date: 2007-11-22
Certificate Number: 3017
Date rights surrendered: 2008-11-21

Variety Description

Variety used for comparison: 'Yomankato' (Mankato)

Summary: 'Yobrunswick' has taller plants than 'Yomankato'. The flower head of 'Yobrunswick' is single and spoon type with a smaller disc diameter than that of 'Yomankato' which is anemone centred and daisy type. 'Yobrunswick' has longer ray floret corolla tubes than 'Yomankato'. 'Yobrunswick' has tubular disc florets while those of 'Yomankato' are enlarged tubular.

Description:

PLANT: year round cultivation for pot production, spray flowering type, 8 week response group, medium to tall height
PRIMARY LATERAL SHOOT: few
STEM: no anthocyanin colouration

LEAF: medium length, narrow to medium width, narrow to broad wedged base
LATERAL LOBE: diverging to parallel margins of sinus
LOWER LOBE: medium length, shallow to medium deep sinus

FLOWER HEAD: single, spoon type, self-coloured, white colour group, medium to large diameter, no bracts among ray florets
RAY FLORET: medium length blade with medium to long corolla tube, straight longitudinal axis of majority with reflexed tip, spatulate apex with pointed tip, white on upper and lower sides
DISC: yellow green before anther dehiscence, yellow after anther dehiscence, small to medium diameter
DISC FLORET: tubular type, numerous, massed, clearly visible at all stages of flower head development, yellow

Origin & Breeding History: 'Yobrunswick' is a product from a planned breeding program conducted by the breeder, Mrs. Wendy R. Bergman, an employee of Yoder Brothers, Inc. in Barberton, Ohio, USA. It originated from a cross made in April 2000 in Alva, Florida, USA between a proprietary Chrysanthemum seedling selection designated 'YB-A2427' as the female parent and another proprietary Chrysanthemum seedling selection designated 'YB-6604' as the male parent. 'Yobrunswick' was selected in March 2001 in Alva, Florida, USA based on its uniform plant growth habit, desirable inflorescence form and floret colours, fast response time and excellent post production longevity.

Tests & Trials: Trials for 'Yobrunswick' were conducted in the fall of 2006 at Yoder Canada Ltd. in Leamington, Ontario. They were performed under greenhouse conditions similar to those used in commercial Chrysanthemum production. 40 unrooted cuttings per variety were directly stuck into 15 cm pots with 4 cuttings per pot and 10 pots per variety. The pots were spaced 30 cm apart. The plants were pinched once prior to short day treatment. All plants had the centre bud removed. Measured characteristics were based on measurements taken from 10 plants or parts of plants on November 1, 2006. All colour determinations were made using the 2001 Royal Horticulture Society (RHS) Colour Chart.


Comparison tables for 'Yobrunswick' with reference variety 'Yomankato'

Plant height (cm)

  'Yobrunswick' 'Yomankato'
mean 24.4 19.3
std. deviation 1.17 0.67

Ray floret corolla tube length (cm)

  'Yobrunswick' 'Yomankato'
mean 2.5 0.4
std. deviation 0.53 0.03

Disc diameter (cm)

  'Yobrunswick' 'Yomankato'
mean 1.7 2.6
std. deviation 0.10 0.26

Click on image for larger view
Yobrunswick
Chrysanthemum: 'Yobrunswick' (left) with reference variety 'Yomankato' (right)

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