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Fisroweiss

Pelargonium

Denomination: 'Fisroweiss'
Previously Proposed Denomination: 'Fir 400'
Trade name: Rocky Mountain White
Botanical Name: Pelargonium ×hortorum
Applicant/Holder: Syngenta Crop Protection AG
Rosentalstrasse 67
Basel
CH-4058
Switzerland
Breeder: Angelika Utecht, Montabaur, Germany
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-317-7511
Application Date: 2004-07-12
Application Number: 04-4299
Grant of Rights Date: 2007-01-23
Certificate Number: 2666
Date rights surrendered: 2016-01-23

Variety Description

Variety used for comparison: 'Fisrowi' (Rocky Mountain White)

Summary: 'Fisroweiss' has taller plants than 'Fisrowi'.

Description:

'Fisroweiss' is a pelargonium variety with tall to very tall plants which are broad to very broad. The stems are medium in thickness and green. The leaf blade is long to very long and broad to very broad with an open to closed base. Degree of lobing of the leaf blade is weak to moderate. The upper side of the leaf blade is medium green with no variegation. There is no zone on the upper side of the leaf blade. The incisions of the leaf blade margin are bicrenate and very shallow to shallow. Undulation of the margin is weak to moderate.

'Fisroweiss' begins flowering early to mid-season and produces a medium to large number of inflorescences. The inflorescences are medium in diameter and the peduncles are long. The number of open flowers per inflorescence is medium to large. The diameter of the largest flower is large and the length of the longest pedicel is medium. The pedicel is green with no swelling. The flower buds are elliptic in shape. The flowers are semi-double type with 6-10 petals per flower. The petal margin is entire. The width of the upper petal is broad. Both the upper and lower sides of the upper, lower and inner petals are white. There is no white zone at the base of the upper petal. Petal markings on the upper, lower and inner petals are absent.

Origin & Breeding History: 'Fisroweiss' (breeder designation 'Fir 400') originated from a hybridization conducted in Hillscheid, Germany in 1995. The female parent was the white flowered variety 'Glacis' (synonym in the USA - 'Northstar') and the male parent was a seedling selection designated '93-735-11'. The first selection occurred in Galdar, Gran Canaria, Spain in 1996 and in 1997, cuttings from the selected seedling were taken back to Hillscheid for further selection and trial cultivation. 'Fisroweiss' was selected for its white flowers in combination with deep green foliage and vigorous plant growth.

Tests & Trials: The detailed description is based on the UPOV report of Technical Examination, grant number PEL 1980, purchased from the Bundessortenamt in Hannover, Germany. The trials were conducted in 2005. All colour characteristics were determined using the Royal Horticultural Society (RHS) Colour Chart, 2001 edition.


Comparison table for 'Fisroweiss' with reference variety 'Fisrowi'

Plant height (cm)

  'Fisroweiss' 'Fisrowi'
mean 31.35 27.35

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

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