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USSCO10

Scoparia

Denomination: 'USSCO10'
Botanical Name: Scoparia
Applicant/Holder: Plant 21 LLC
32149 Aquaduct Road
Bonsall, California
92003
United States of America
Breeder: Ushio Sakazaki, Shiga, Japan
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-317-7511
Application Date: 2004-03-26
Application Number: 04-4150
Grant of Rights Date: 2007-11-28
Certificate Number: 3086
Date rights surrendered: 2009-11-03

Variety Description

Variety used for comparison: 'Suntutuki' (Ilumina Lemon Mist)

Summary: 'USSCO10' has a slightly more erect growth habit than 'Suntutuki'. 'USSCO10' has taller plants and narrower leaf blade than 'Suntutuki'. The leaf blade of 'USSCO10' is simple and linear in shape while that of 'Suntutuki' is dissected and ovate. 'USSCO10' has blue violet flowers with blue violet hairs in the centre and purple to blue filaments while 'Suntutuki' has yellow flowers with yellow hairs in the centre and yellow filaments.

Description:

PLANT: erect growth habit, moderate number of branches, medium dense foliage
STEM: brown, no anthocyanin colouration

LEAF BLADE: linear, entire margin, medium green, no petiole

FLOWER: light blue violet, blue violet hairs in center
ANTHER: yellow before anther dehiscence, creamy after anther dehiscence
FILAMENT: longer than hairs in centre, purple to blue

Origin & Breeding History: 'USSCO10' originated from a controlled cross conducted in Hikone, Shiga, Japan on May 25, 1999. The female parent was Scoparia plebeja and the male parent was Scoparia ericoides. The resulting seed was sown in Bonsall, California, USA on February 10, 2000. 'USSCO10' was selected on May 12, 2000 based on its plant growth habit and flower characteristics.

Tests & Trials: Trials for 'USSCO10' were conducted in a polyhouse during the spring of 2005 at BioFlora Inc. in St. Thomas, Ontario. The trial included 15 plants of each variety. Rooted cuttings were transplanted into 15 cm pots on May 9, 2005. Measured characteristics were based on measurements taken from 10 plants or parts of plants. All colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'USSCO10' with reference variety 'Suntutuki'

Plant height (cm)

  'USSCO10' 'Suntutuki'
mean 27.0 23.1
std. deviation 1.91 2.17

Leaf blade width (mm)

  'USSCO10' 'Suntutuki'
mean 2.1 8.6
std. deviation 0.32 2.12

Corolla lobe colour (RHS)

  'USSCO10' 'Suntutuki'
upper side 91B 9A

Click on image for larger view
USSCO10
Scoparia: 'USSCO10' (left) with reference variety 'Suntutuki' (right)

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