Amri Whit09


Denomination: 'Amri Whit09'
Trade name: Americana White 09
Botanical Name: Pelargonium ×hortorum
Applicant/Holder: Syngenta Crop Protection AG
Schwarzwaldallee 215
Breeder: Mitchell Hanes, Goldsmith Seeds, Inc., Morgan Hill, United States of America
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-631-6241
Application Date: 2007-08-23
Application Number: 07-5991
Grant of Rights Date: 2010-01-11
Certificate Number: 3729
Date rights surrendered: 2017-01-11

Variety Description

Variety used for comparison: 'Fisroweiss' (Rocky Mountain White 06)

Summary: 'Amri Whit09' has significantly shorter peduncles than the reference variety 'Fisroweiss'. The flowers of 'Amri Whit09' have wider upper and lower petals than 'Fisroweiss'.


PLANT: upright to intermediate growth habit, very short to short, narrow to medium width, medium to many branches
STEM: green, medium thickness, dense pubescence

LEAF BLADE: very short to short, very narrow to narrow, open base
LEAF MARGIN: bicrenate, weak lobing, shallow incisions, medium waviness
UPPER SIDE OF BLADE: medium green, dense pubescence, no variegation
LEAF ZONE: absent
PETIOLE: very short, dense pubescence

INFLORESCENCE: white colour group, small diameter
PEDUNCLE: very short to short, dense pubescence, very weak anthocyanin colouration
FLORET: semi-double, small diameter, narrow to medium elliptic bud, entire petal margin
UPPER PETAL: narrow to medium width, upper and lower side white with no markings
LOWER PETAL: narrow, upper and lower side white with no markings
PEDICEL: short to medium length, dense pubescence, green in middle third, no swelling
SEPAL: dense pubescence, green

Origin & Breeding History: 'Amri Whit09' was bred and developed in Gilroy, California, as part of a planned breeding program. The cross took place in February 2005. The female parent was 9912-3, a white flowered proprietary line and the male parent was 9912-2, another white flowered proprietary line. The resultant seed from the cross was sown in August 2005. The selection occurred in November 2005 based on criteria for flower colour, plant habit and vigour.

Tests & Trials: Trials for 'Amri Whit09' were conducted in a polyhouse in St. Thomas, Ontario, during the summer of 2008. The trials consisted of 15 plants of each variety. All plants were grown from rooted cuttings, transplanted into 15 cm pots on May 20, 2008. Observations and measurements were taken from 10 plants of each variety on July 18, 2008. All colour measurements were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'Amri Whit09' with reference variety 'Fisroweiss'

Length of peduncle (cm)

  'Amri Whit09' 'Fisroweiss'
mean 12.2 17.9
std. deviation 1.38 2.41

Upper petal width (cm)

  'Amri Whit09' 'Fisroweiss'
mean 2.1 1.7
std. deviation 0.25 0.18

Lower petal width (cm)

  'Amri Whit09' 'Fisroweiss'
mean 1.9 1.4
std. deviation 0.10 0.09

Click on image for larger view
Amri Whit09
Pelargonium: 'Amri Whit09' (left) with reference variety 'Fisroweiss' (right)

Click on image for larger view
Amri Whit09
Pelargonium: 'Amri Whit09' (left) with reference variety 'Fisroweiss' (right)

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