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|Botanical Name:||Solanum tuberosum|
HZPC Holland B.V.
P.O. Box 88
C.J. Biemond, ULRUM, Netherlands
|Agent in Canada:||
Global Agri Services Inc.
376 New Maryland Highway
New Maryland, New Brunswick
|Grant of Rights Date:||2010-06-01|
|Grant of Rights Termination Date:||2028-06-01|
Variety used for comparison: 'Kennebec'
Summary: The plants of 'Sifra' are shorter than those of 'Kennebec'. The leaves of 'Sifra' are shorter and narrower than those of 'Kennebec'. The tubers of 'Sifra' are round whereas those of 'Kennebec' are oval. The light sprouts of 'Sifra' are small and ovoid whereas those of 'Kennebec' are medium sized and spherical.
PLANT: upright growth habit, intermediate type foliage structure
STEM: weak to medium anthocyanin colouration, medium thickness of main stem, low swelling at nodes
LEAVES: medium green, intermediate silhouette, absent or very weak anthocyanin colouration on upper side of rachis and petiole, absent or very low frequency of coalescence, medium to deep veins, weak waviness of margin, medium glossiness of upper side, weak pubescence, medium presence of secondary leaflets
TERMINAL LEAFLET: medium ovate, acute tip, cordate base
LATERAL LEAFLET: medium size, medium ovate, acute tip, cordate base
INFLORESCENCE: medium flowering profusion, medium size
FLOWER BUD: strong persistence, absent or very weak intensity of anthocyanin colouration
COROLLA: white, medium size, medium to strong prominence of star
PEDUNCLE: absent or very weak intensity of anthocyanin colouration
TUBER: round, cream flesh with no secondary colour
TUBER EYES: shallow, evenly distributed, slight prominence of eyebrows
TUBER SKIN: yellow, yellow at base of eye, strong anthocyanin colouration of skin in reaction to light, smooth texture
LIGHT SPROUT: small, ovoid shape, medium number of root tips, short lateral shoots
LIGHT SPROUT BASE: medium intensity of anthocyanin colouration, absent or low proportion of blue in anthocyanin colouration, medium density of pubescence
LIGHT SPROUT TIP: smaller in size than base, closed habit, weak anthocyanin colouration, sparse pubescence
Origin & Breeding History: 'Sifra' originated from the cross of 'Mondial' and 'Robinta', made at HZPC Research in Metslawier, the Netherlands in 1995. The variety was selected from the F1 cross based on yield, internal and external quality and resistances to different diseases and pests.
Tests & Trials: Trials for 'Sifra' were conducted in Central Blissville, New Brunswick in 2008. All entries were planted in single-row plots. Plots consisted of rows 22 metres long spaced 91 cm apart with 30 cm in row spacing between plants. Measured characteristics were based on 10 measurements. Colour determinations were made using the 1986 RHS colour chart.
Comparison tables for 'Sifra' with reference variety 'Kennebec'
Plant height (cm)
Leaf length (cm)
Leaf width (cm)
Colour of corolla (RHS)
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