NCORNSP-028SCKL

Sweet Potato

Variety Description

Varieties used for comparison: 'Sweet Caroline Light Green' and 'Balsotowlim' (Solar Tower Lime)

Summary: The plants of 'NCORNSP-028SCKL' have an upright and climbing growth habit and are taller than those of 'Sweet Caroline Light Green' which have a growth habit ranging from semi-upright to spreading. The plants of 'NCORNSP-028SCKL' have many branches whereas those of 'Sweet Caroline Light Green' have few to a medium number of branches. The stem internodes of 'NCORNSP-028SCKL' are shorter than those of 'Balsotowlim'. The leaf blade of 'NCORNSP-028SCKL' is wider than that of 'Sweet Caroline Light Green'. The middle lobe of the leaf blade of 'NCORNSP-028SCKL' is narrower than that of both reference varieties. The leaf blade of 'NCORNSP-028SCKL' has deep lobing whereas that of both reference varieties has medium depth lobing.

Description:

PLANT: upright and climbing growth habit, many branches

STEM: light green, medium thickness, medium internode diameter, medium intensity of anthocyanin colouration of internode, medium intensity of anthocyanin colouration at tip, strong intensity of anthocyanin colouration at node, absent or sparse pubescence on tip

LEAF BLADE (YOUNG): upper side light green
LEAF BLADE: deeply lobed margin
LEAF BLADE (UPPER SIDE): green, absent or very weak intensity of anthocyanin colouration, absent or very small extent of anthocyanin colouration along abaxial veins
LEAF BLADE (LOWER SIDE): light green (closest to RHS 145B)
PETIOLE: absent or very weak intensity of anthocyanin colouration

Origin & Breeding History: 'NCORNSP-028SCKL' originated from a conventional cross between the two proprietary breeding lines 'NC7135-002ORN' as the female parent and 'NC2711-003ORN' as the male parent. The cross was conducted at North Carolina State University, Horticultural Field Laboratory Greenhouses, in Raleigh, North Carolina, USA between October 2006 and April 2007. The new variety 'NCORNSP-028SCKL' was selected from the resulting progeny on September 25, 2008, at the Horticultural Crops Research Station in Clinton, North Carolina, USA based on growth habit, plant vigour, branching characteristics, overall plant architecture, leaf colour and leaf shape.

Tests & Trials: The comparative trial for 'NCORNSP-028SCKL' was conducted in a polyhouse during the spring of 2023 at Bioflora Inc. in St. Thomas, Ontario. The trial included a total of 15 plants each of the candidate and reference varieties. All plants were grown from rooted cuttings transplanted into 15 cm pots on April 17, 2023. Observations and measurements were taken from 10 plants, or 10 parts of plants, of each variety on June 6, 2023. The mean differences were significant at the 5% probability level based on a paired Student's t-test. All colour determinations were made using the 2015 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'NCORNSP-028SCKL' with reference varieties 'Sweet Caroline Light Green' and 'Balsotowlim'

Plant height (cm)

Length of stem internode (cm)

Leaf blade width (cm)

Leaf blade middle lobe width (cm)

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Sweet Potato: 'NCORNSP-028SCKL' (left) with reference varieties 'Sweet Caroline Light Green' (center) and 'Balsotowlim' (right)

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Sweet Potato: 'NCORNSP-028SCKL' (left) with reference varieties 'Sweet Caroline Light Green' (center) and 'Balsotowlim' (right)