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KERBESPICUP

Begonia

Denomination: 'KERBESPICUP'
Trade name: Double Delight Primrose
Botanical Name: Begonia ×tuberhybrida
Applicant/Holder: Kerley & Co. Ltd.
Haden Way, Willingham
Cambridge
CB24 5NJ
United Kingdom
Breeder: David William Kerley, Cambridge, United Kingdom
Priscilla Grace Kerley, Cambridge, United Kingdom
Sarah Elisabeth Kerley, Cambridge, United Kingdom
Timothy Edward Kerley, Cambridge, United Kingdom
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-317-7511
Application Date: 2020-03-04
Provisional Protection:: 2020-03-04
Application Number: 20-10110
Grant of Rights Date: 2024-04-19
Certificate Number: 7116
Grant of Rights Termination Date: 2044-04-19

Variety Description

Varieties used for comparison: 'Illumination Yellow' and 'Fragrant Falls Lemon'

Summary: The plants of 'KERBESPICUP' are narrower than those of 'Illumination Yellow' and wider than those of 'Fragrant Falls Lemon'. The plants of 'KERBESPICUP' are of medium density whereas those of 'Fragrant Falls Lemon' are dense. The stem of 'KERBESPICUP' has medium pubescence density whereas that of both reference varieties has dense pubescence. The apical part of the leaf blade of 'KERBESPICUP' is shorter than that of 'Illumination Yellow' and longer than that of 'Fragrant Falls Lemon'. The margin of the upper side of the leaf blade of 'KERBESPICUP' has anthocyanin colouration present whereas that of 'Illumination Yellow' has none. The peduncle of 'KERBESPICUP' has sparse pubescence whereas the peduncle of 'Fragrant Falls Lemon' has medium density pubescence. The flower of 'KERBESPICUP' has a smaller diameter than that of both reference varieties. The margin of the tepal of 'KERBESPICUP' has a medium degree of undulation whereas that of 'Illumination Yellow' has very weak undulation and that of 'Fragrant Falls Lemon' has weak undulation. The inner side of the inner tepal of 'KERBESPICUP' is light yellow fading to white towards the margin whereas that of 'Illumination Yellow' is medium yellow and that of 'Fragrant Falls Lemon' is light yellow orange.

Description:

PLANT: medium density, medium number of basal shoots

STEM: medium thickness, green, non pendulous attitude, medium pubescence density

LEAF BLADE: no overlapping of lobes at base, acute apex, biserrate margin incisions, medium depth margin incisions
LEAF BLADE (UPPER SIDE): no variegation, medium green, no glossiness, anthocyanin colouration at margin present
LEAF BLADE (LOWER SIDE): no variegation, light green, sparse pubescence
PETIOLE: green, sparse to medium pubescence density

PEDUNCLE: green, sparse pubescence
INFLORESCENCE: positioned partly below foliage
BRACT: rounded apex, green and red apex
FLOWER: double, type 3 arrangement of tepals to type 4 arrangement towards centre
TEPALS: rounded apex, margin incisions present, medium intensity of margin undulation
INNER TEPAL (INNER SIDE): one colour, mainly light yellow (RHS 9D) fading to white (RHS 155D) towards the margin, dark yellow (RHS 13A) to light yellow (RHS 12C) striping from base
OUTER TEPAL (OUTER SIDE): light yellow (RHS 159D)

Origin & Breeding History: 'KERBESPICUP' originated as a branch mutation discovered by the breeders in June of 2016 in Cambridge, United Kingdom. The branch mutation was discovered on the parent variety 'Kerbespicit' and selected based on its growth habit, flower colour and flower fragrance. 'KERBESPICUP' was first propagated by vegetative tip cuttings in June of 2016 in Cambridge, United Kingdom.

Tests & Trials: The comparative trial for 'KERBESPICUP' was conducted in a polyhouse during the spring of 2022 at Bioflora Inc., 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 15 cm pots on April 7, 2022. Observations and measurements were taken from 10 plants, or parts of 10 plants, of each variety on July 1, 2022. All colour determinations were made using the 2015 Royal Horticultural Society (RHS) Colour Chart. Mean differences were significant at the 5% confidence probability level based on a paired Student's t-test.


Comparison tables for 'KERBESPICUP' with reference varieties 'Illumination Yellow' and 'Fragrant Falls Lemon'

Plant width(cm)

  'KERBESPICUP' 'Illumination Yellow' 'Fragrant Falls Lemon'
mean 32.8 37.2 23.9
std. deviation 2.68 4.71 1.11

Length of apical part of leaf blade (cm)

  'KERBESPICUP' 'Illumination Yellow' 'Fragrant Falls Lemon'
mean 8.3 9.8 5.0
std. deviation 0.37 0.84 0.53

Flower diameter (cm)

  'KERBESPICUP' 'Illumination Yellow' 'Fragrant Falls Lemon'
mean 6.5 8.0 7.6
std. deviation 0.66 0.40 0.43

Colour of inner tepal (RHS)

  'KERBESPICUP' 'Illumination Yellow' 'Fragrant Falls Lemon'
inner side 9D fading to 155D towards margin 7D 11D

Click on image for larger view
KERBESPICUP
Begonia: 'KERBESPICUP' (left) with reference varieties 'Fragrant Falls Lemon' (center) and 'Illumination Yellow' (right)

Click on image for larger view
KERBESPICUP
Begonia: 'KERBESPICUP' (left) with reference varieties 'Fragrant Falls Lemon' (center) and 'Illumination Yellow' (right)

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