|Botanical Name:||Solanum tuberosum|
P.O. Box 88
W.R.L. Scholtens, Scholtens, W.R.L, Molenrij, Netherlands
|Agent in Canada:||
Global Agri Services Inc.
376 New Maryland Highway
New Maryland, New Brunswick
|Application Date:||2009-07-15(priority claimed)|
|Protective direction granted:||2009-07-15|
|Grant of Rights Date:||2013-03-01|
|Date rights surrendered:||2020-03-01|
Variety used for comparison: 'Fabula'
Summary: The lightsprout of 'Sylvana' has a few root tips while there are a medium number for 'Fabula'. 'Sylvana' has a medium frequency of coalescence of the terminal and lateral leaflets while it is absent or very low in 'Fabula'. 'Sylvana' has a shorter plant height than 'Fabula'. The extent of anthocyanin colouration on the flower bud of 'Sylvana' is medium to high while it is low for 'Fabula'. The corolla of 'Sylvana' is large while it is medium sized in 'Fabula'. 'Sylvana' has a high extent of anthocyanin colouration on the inner side of the corolla while it is low for 'Fabula'.
PLANT: intermediate type foliage structure, semi-upright growth habit, medium to late maturity
STEM: low to medium extent of anthocyanin colouration along the entire length
LEAVES: large outline, intermediate openness, medium presence of secondary leaflets, medium green, low extent and weak intensity of anthocyanin colouration on the midrib of the upper side, medium frequency of coalescence of terminal and lateral leaflets
SECOND PAIR OF LATERAL LEAFLETS: large size, narrower than long width in relation to length
LEAFLET: absent or very weak waviness of margin, medium to deep veins, medium glossiness of upper side, pubescence on blade at apical rosette present
INFLORESCENCE: medium frequency per plant, medium size, absent to very low extent of anthocyanin colouration on peduncle
FLOWER BUD: medium to high extent of anthocyanin colouration
COROLLA: large, high extent of anthocyanin colouration on the inner side, anthocyanin medium in intensity with absent or low proportion of blue
TUBER: short oval to oval, light yellow flesh
TUBER EYES: shallow depth
TUBER SKIN: yellow, yellow at base of eye, weak to medium anthocyanin colouration in reaction to light
LIGHTSPROUT: medium size, ovoid, root tips few in number, short lateral shoots
LIGHTSPROUT BASE: weak intensity of anthocyanin colouration, absent or low proportion of blue in the anthocyanin colouration, medium pubescence
LIGHTSPROUT TIP: small size in relation to base, closed habit, medium intensity of anthocyanin colouration, absent or very sparse pubescence
Origin & Breeding History: The origin of 'Sylvana' is the result of a cross made in 1995 between 'Fabula' and 'Xantia' at HZPC R&D, Metslawier, The Netherlands. Selection criteria included yield, internal and external quality, resistance to diseases and pests.
Tests & Trials: Tests and trials were conducted during the 2011 growing season in Drummond, New Brunswick. Plots consisted of 60 plants grown in a single row with a row length of 18.5 meters and a row spacing of 0.9 meters.
Comparison table for 'Sylvana' with reference variety 'Fabula'
Plant height (cm)
Click on image for larger view
Potato: 'Sylvana' (left) with reference variety 'Fabula' (right)
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