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Agpatpur

Ageratum

Denomination: 'Agpatpur'
Previously Proposed Denomination: 'X101-17'
Trade name: Patina Purple
Botanical Name: Ageratum
Applicant/Holder: Syngenta Crop Protection AG
Rosentalstrasse 67
Basel
CH-4058
Switzerland
Breeder: Monica Sanders, 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: 2005-05-13
Application Number: 05-4900
Grant of Rights Date: 2007-06-08
Certificate Number: 2768
Date rights surrendered: 2009-08-03

Variety Description

Variety used for comparison: 'Agmontis'

Summary: 'Agpatpur' differs from 'Agmontis' mainly in flower diameter, disc floret length and disc floret colour after dehiscence. The flowers of 'Agpatpur' are wider than those of 'Agmontis'. The disc florets of 'Agpatpur' are longer than those of 'Agmontis'. After dehiscence, the disc florets of 'Agpatpur' are more red-purple than those of 'Agmontis' which are purple-violet.

Description:

PLANT: annual, bushy-rounded growth habit, dense branching
STEM: light green, weak anthocyanin at internodes, dense, long pubescence, medium thickness

LEAF: simple, cordate shape, cuspidate apex, cordate base, mostly dentate margins, medium to strong blistering, medium pubescence on upper and lower surfaces, medium green on upper surface, no variegation, petiole present

FLOWER: inflorescence, no anthocyanin on pedicel
DISC FLORETS: purple

Origin & Breeding History: 'Agpatpur' originated from a cross made in September 1997, in Enkhuizen, The Netherlands, between the female parent, 'S509-2' and a mix of pollen from violet flowering plants as the male parent. In August 1998, one plant was selected from the resultant progeny for branching, flower and foliage size. Asexual reproduction of the new variety began in September 1998 in Enkhuizen, The Netherlands.

Tests & Trials: The tests and trials for 'Agpatpur' were conducted in a polyhouse at BioFlora Inc. in St. Thomas, Ontario during the spring of 2006. The trials included 15 plants of each variety. Rooted cuttings were transplanted into 15 cm pots on April 13, 2006. Observations and measurements were taken from 10 plants of each variety. All colour measurements were made using the RHS colour chart 2001.


Comparison tables for 'Agpatpur' with reference variety 'Agmontis'

Plant height (cm)

  'Agpatpur' 'Agmontis'
mean 19.8 21.8
std. deviation 2.62 1.67

Leaf blade length (cm)

  'Agpatpur' 'Agmontis'
mean 3.6 3.4
std. deviation 0.41 0.34

Leaf blade width (cm)

  'Agpatpur' 'Agmontis'
mean 4.5 4.0
std. deviation 0.55 0.36

Flower bud diameter (mm)

  'Agpatpur' 'Agmontis'
mean 6.2 5.4
std. deviation 0.92 0.52

Flower diameter after dehiscence (cm)

  'Agpatpur' 'Agmontis'
mean 1.6 1.3
std. deviation 0.15 0.11

Disc floret length after dehiscence (mm)

  'Agpatpur' 'Agmontis'
mean 6.8 5.6
std. deviation 0.42 0.52

Main colour of disc florets (RHS)

  'Agpatpur' 'Agmontis'
before flowering (at bud stage) darker than N79C darker than N79C
after dehiscence 70A N82A

Click on image for larger view
Agpatpur
Ageratum: 'Agpatpur' (left) with reference variety 'Agmontis' (right)

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