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Caltrablupu

Calibrachoa

Denomination: 'Caltrablupu'
Trade name: Superbells Trailing Blue Purple
Botanical Name: Calibrachoa
Applicant/Holder: Syngenta Crop Protection AG
Rosentalstrasse 67
Basel
CH-4058
Switzerland
Breeder: Johannes S.N. Oud, 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: 2006-10-16
Application Number: 06-5604
Grant of Rights Date: 2009-09-23
Certificate Number: 3612
Date rights surrendered: 2011-09-22

Variety Description

Variety used for comparison: 'Cal Pur' (Callie Purple)

Summary: The plants of 'Caltrablupu' are narrower than those of 'Cal Pur'. 'Caltrablupu' has leaves with a narrow acute apex while 'Cal Pur' has leaves with a broad acute to obtuse apex. The pedicels of 'Caltrablupu' are longer than those of 'Cal Pur'. 'Caltrablupu' has strong conspicuousness of veins on the upper side of the corolla lobe while 'Cal Pur' has weak conspicuousness. The corolla lobes of 'Caltrablupu' have cuspidate and truncate apex while those of 'Cal Pur' have emarginate apex.

Description:

PLANT: trailing growth habit, very short, very narrow to narrow

LEAF BLADE: medium length, elliptic and obovate, narrow acute apex, no variegation, medium green on upper side, no blistering
PETIOLE: short to medium length

SEPAL: short, narrow, rhombic, anthocyanin colouration present
FLOWER: single, medium diameter, salverform, short pedicel
COROLLA: weak to medium degree of lobing, two coloured on upper side
COROLLA LOBE: violet (RHS N81A) with very small dark violet (RHS 79A) eye marking at transition to corolla tube on upper side, purple veins, strong conspicuousness of veins on upper side, violet (RHS N81C) on lower side, cuspidate and truncate apex
COROLLA TUBE: medium length, yellow (RHS 9B) on inner side, medium conspicuousness of veins on inner side
ANTHER: yellow before pollen dehiscence

Origin & Breeding History: 'Caltrablupu' originated from a controlled cross in 2003 between the female parent identified as Z4013 and the male parent identified as C4465. The cross was conducted by the breeder J. Oud in Enkhuizen, The Netherlands. The new variety 'Caltrablupu' was selected from the resultant progeny as a single plant in 2004 based on plant growth habit, flower colour and time of flowering. Asexual reproduction by cuttings was first conducted in August 2004 in Enkhuizen, The Netherlands.

Tests & Trials: Trials for 'Caltrablupu' were conducted in a polyhouse during the spring of 2008 in St. Thomas, Ontario. The trial included a total of 20 plants each of the candidate and reference varieties. All plants were grown from rooted cuttings and transplanted into 30 cm hanging baskets on May 23, 2008. Each basket contained 4 cuttings with a total of 5 baskets per variety. Observations and measurements were taken from 10 plants of each variety on July 23, 2008. All colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Caltrablupu' with reference variety 'Cal Pur'

Plant width (cm)

  'Caltrablupu' 'Cal Pur'
mean 48.0 59.4
std. deviation 3.26 3.21

Pedicel length (cm)

  'Caltrablupu' 'Cal Pur'
mean 1.4 0.8
std. deviation 0.23 0.13

Click on image for larger view
Caltrablupu
Calibrachoa: 'Caltrablupu' (left) with reference variety 'Cal Pur' (right)

Click on image for larger view
Caltrablupu
Calibrachoa: 'Caltrablupu' (left) with reference variety 'Cal Pur' (right)

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