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NCORNSP-024SCRI

Sweet Potato

Denomination: 'NCORNSP-024SCRI'
Trade name: Sweet Caroline Raven Imp.
Botanical Name: Ipomoea batatas
Applicant/Holder: North Carolina State University
Office of Technology Transfer
1021 Main Campus Drive
Raleigh, North Carolina
27606
United States of America
Breeder: G. Craig Yencho, North Carolina State University, Raleigh, United States of America
Kenneth Pecota, North Carolina State University, Raleigh, United States of America
Meri K. Reeber, North Carolina State University, Raleigh, United States of America
Dominic A. Gillooly, North Carolina State University, Raleigh, United States of America
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-317-7511
Application Date: 2018-11-05
Provisional Protection:: 2018-11-05
Application Number: 18-9642
Grant of Rights Date: 2020-10-13
Certificate Number: 6286
Grant of Rights Termination Date: 2040-10-13

Variety Description

Variety used for comparison: 'Seki Blapalm'

Summary: The leaf blade of 'NCORNSP-024SCRI' is longer than that of 'Seki Blapalm'. The terminal lobe of the leaf blade of 'NCORNSP-024SCRI' is wider than that of 'Seki Blapalm'. The upper side of the leaf blade for 'NCORNSP-024SCRI' is black while it is black with green tones for 'Seki Blapalm'. The lower side of the leaf blade for 'NCORNSP-024SCRI' is brown purple while it is black for 'Seki Blapalm'.

Description:

PLANT: upright growth habit, high degree of branching

STEM: red-purple, medium thickness, short to medium primary shoots, medium to strong intensity of anthocyanin colouration of tip, strong intensity of anthocyanin colouration of node, absent or sparse pubescence of tip
STEM INTERNODE: medium length, medium diameter, strong intensity of anthocyanin colouration

PETIOLE: strong intensity of anthocyanin colouration, long
YOUNG LEAF BLADE (UPPER SIDE): brown purple (RHS N186C)
LEAF BLADE: three lobes, deep lobing, entire margin
LEAF BLADE (UPPER SIDE): black (RHS N186A), strong intensity of anthocyanin colouration, strong extent and intensity of anthocyanin colouration on abaxial veins
LEAF BLADE (LOWER SIDE): brown purple (more red than RHS 187A)

Origin & Breeding History: 'NCORNSP-024SCRI' was bred and developed by Dr. G. Craig Yencho, Meri K. Reeber, Dr. Kenneth V. Pecota and Dominic A. Gillooly at the North Carolina State University in Raleigh, North Carolina, U.S.A. The variety originated from an open pollinated cross that occurred between June and November 2014, between the proprietary breeding line 'NC8226-011ORN', as the female parent and pollen from an unknown male. The resulting seed was sown in December 2014 and the seedlings transplanted to 15 cm pots. Two vegetative cuttings were taken from each plant and propagated in April 2015. The resulting young plants were planted in field plots in June 2015. 'NCORNSP-024SCRI' was selected on August 20, 2015 at the Horticultural Crops Research Station in Clinton, North Carolina based on growth habit, vigour, branch architecture, leaf shape and colour.

Tests & Trials: The comparative trial for 'NCORNSP-024SCRI' was conducted in a polyhouse during the spring of 2019 at BioFlora Inc., in St. Thomas, Ontario. The trial included 20 plants each of the candidate and reference variety. All plants were grown from rooted cuttings and transplanted into 15 cm pots on April 15, 2019. Observations and measurements were taken from 10 plants, or parts of plants, of each variety on June 3, 2019. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'NCORNSP-024SCRI' with reference variety 'Seki Blapalm'

Leaf blade length (cm)

  'NCORNSP-024SCRI' 'Seki Blapalm'
mean 8.2 7.6
std. deviation 0.43 0.62

Terminal lobe width (cm)

  'NCORNSP-024SCRI' 'Seki Blapalm'
mean 1.9 1.0
std. deviation 0.23 0.08

Colour of leaf blade (RHS)

  'NCORNSP-024SCRI' 'Seki Blapalm'
upper side N186A more green than N186A
lower side more red than 187A N186A

Click on image for larger view
NCORNSP-024SCRI
Sweet Potato: 'NCORNSP-024SCRI' (left) with reference variety 'Seki Blapalm' (right)

Click on image for larger view
NCORNSP-024SCRI
Sweet Potato: 'NCORNSP-024SCRI' (left) with reference variety 'Seki Blapalm' (right)

Click on image for larger view
NCORNSP-024SCRI
Sweet Potato: 'NCORNSP-024SCRI' (left) with reference variety 'Seki Blapalm' (right)

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