|Botanical Name:||Solanum tuberosum|
Monchy le Preux
Edouard Fourrier, Desmazieres S.A., Monchy le Preux, France
|Agent in Canada:||
Parkland Seed Potatoes Ltd.
2908 Ellwood Drive, South West
Variety used for comparison: 'Laura'
Summary: 'The lightsprout of 'Cerisa' is medium sized with many root tips whereas it is small to medium sized with a medium number of root tips in 'Laura' The pubescence of the lightsprout of 'Cerisa' is dense at the base and medium to dense at the tip whereas the pubescence is medium at the base and sparse at the tip in 'Laura'. The lightsprout tip of 'Cerisa' has a medium to strong intensity of anthocyanin colouration whereas 'Laura' has a strong intensity of anthocyanin colouration on the tip. The foliage structure of 'Cerisa' is a leaf type (foliage closed, stems not, or hardly visible) whereas 'Laura' is an intermediate type (foliage half open, stems partly visible). 'Cerisa' has a semi-upright growth habit whereas 'Laura' has an upright growth habit. The extent of the anthocyanin colouration on the upper side of the midrib of the leaf is very high for 'Cerisa' whereas it is medium to high for 'Laura'. 'Cerisa' has a taller plant height than 'Laura'. The extent of the anthocyanin colouration on the peduncle is medium for 'Cerisa' whereas it is weak for 'Laura'. The intensity of the anthocyanin colouration on the inner side of the corolla is medium for 'Cerisa' whereas it is weak for 'Laura'.
LIGHTSPROUT: medium size, ovoid, many root tips, short lateral shoots
LIGHTSPROUT BASE: strong intensity of anthocyanin colouration, absent to medium proportion of blue in the anthocyanin colouration, dense pubescence
LIGHTSPROUT TIP: small size in relation to base, closed habit, medium to strong intensity of anthocyanin colouration, medium to dense pubescence
PLANT: foliage structure is a leaf type where foliage is closed and stems are not, or hardly visible, semi-upright growth habit, medium maturity
STEM: medium extent of anthocyanin colouration along the entire stem
LEAF: medium outline, intermediate openness, medium to dark green colour, very high extent and strong intensity of anthocyanin colouration on the midrib of the upper side
SECOND PAIR OF LATERAL LEAFLETS: medium size, narrower than long width in relation to length
LEAFLETS: medium presence of secondary leaflets, medium frequency of coalescence of terminal and lateral leaflets, weak waviness of margin, medium depth of veins, medium glossiness of upper side, no pubescence on blade at apical rosette
INFLORESCENCE: low to medium frequency per plant, small size, medium extent of anthocyanin colouration on peduncle
FLOWER BUD: low extent of anthocyanin colouration
COROLLA: medium size, medium extent and intensity of anthocyanin colouration on the inner side, with absent or low proportion of blue
TUBER: long shape, dark yellow flesh
TUBER EYES: shallow depth
TUBER SKIN: red, red at base of eye
Origin & Breeding History: The origin of 'Cerisa' is the result of the cross made in 1998 between 'Franceline' as the female parent and 'Laura' as the male parent at the Agrico Research breeding station in Emmeloord, The Netherlands. Selection criteria were negative mass selection agronomic characteristics and resistance to various diseases.
Tests & Trials: Tests and trials for 'Cerisa' were conducted during the 2012 growing season in Drummond, New Brunswick. Each plot per variety consisted of 60 plants grown in a single row with a row length of 18.5 metres and a row spacing of 0.9 metres between rows. Plants were spaced 0.30 metres apart.
Comparison table for 'Cerisa' with reference variety 'Laura'
Plant height (cm)
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