Snowbird
| Denomination: | 'Snowbird' |
|---|---|
| Botanical Name: | Solanum tuberosum |
| Applicant/Holder: |
IPR B.V. P.O. Box 88 8500 AB Joure Netherlands |
| Breeder: |
R. P. Graveland, IPR B.V., Joure, Netherlands |
| Agent in Canada: |
Global Agri Services Inc. 376 New Maryland Highway New Maryland, New Brunswick E3C 1E5 Canada Tel: 506-462-9493 |
| Application Date: | 2005-06-20 |
| Application Number: | 05-4975 |
| Grant of Rights Date: | 2008-06-26 |
| Certificate Number: | 3238 |
| Date rights surrendered: | 2020-06-11 |
Variety Description
Variety used for comparison: 'Kennebec'
Summary: 'Snowbird' has a shorter plant height than 'Kennebec'. 'Snowbird' has a shorter leaf length and darker leaf colour than 'Kennebec'. 'Snowbird' has a very high frequency of coalescence between the terminal and lateral leaflets while 'Kennebec' has an absent to very low frequency. 'Snowbird' has red-violet corolla colour while 'Kennebec' has white corolla colour. 'Snowbird' has a large light sprout which is conical in shape while 'Kennebec' has a medium sized light sprout which is spherical in shape. 'Snowbird' has a higher proportion of blue in the anthocyanin colouration on the light sprout base than 'Kennebec'. 'Snowbird' has denser pubescence on the light sprout base than 'Kennebec'.
Description:
PLANT: semi upright growth habit, leaf type foliage structure
STEM: no anthocyanin colouration, medium thickness, nodes with absent or very low swelling
LEAVES: dark green, intermediate silhouette, absent or very weak anthocyanin colouration on upper side of rachis and petiole, medium depth of veins, weak waviness of margin, medium glossiness on upper side, no pubescence on leaves at apical rosette, medium presence of secondary leaflets
TERMINAL LEAFLET: broad ovate shape, acute to acuminate tip, cordate base, very high frequency of coalescence with lateral leaflets
LATERAL LEAFLETS: large, medium ovate shape, acute to acuminate tip, cordate base
INFLORESCENCE: high flowering profusion, medium size, flower buds persistent, weak anthocyanin colouration in flower bud.
COROLLA: red-violet, very weak to weak anthocyanin colouration on inner side, medium size, moderately prominent star, medium anthocyanin colouration on peduncle
TUBER: round
TUBER SKIN: yellow, yellow at base of eye, medium anthocyanin colouration on skin in reaction to light, smooth texture
TUBER EYES: medium in depth, predominantly apical in distribution, eyebrows not prominent
TUBER FLESH: white, no secondary colour
LIGHT SPROUT: large, conical, low number of root tips, medium length lateral shoots
BASE: medium anthocyanin colouration, medium proportion of blue in anthocyanin, dense pubescence
TIP: smaller than base in size, closed habit, weak anthocyanin colouration, sparse pubescence.
Origin & Breeding History: 'Snowbird' originated from a cross between 'Nikita' and 'Innovator', made at Metslawier, The Netherlands in 1994. The variety was selected from the F1 of the cross and tested under the experimental designation RZ-95-6643. Selection criteria included yield, internal and external quality and resistance to diseases and pests.
Tests & Trials: Trials for 'Snowbird' were conducted in Drummond, New Brunswick in 2006. All entries were planted in single-row plots. Plots consisted of rows 22 metres long with 30 cm in row spacing and between row spacing of 91 cm. Measured characteristics were based on 10 measurements. Colour determinations were made using the 1986 RHS colour chart.
Comparison tables for 'Snowbird' with reference variety 'Kennebec'
Plant height (cm)
| 'Snowbird' | 'Kennebec' | |
|---|---|---|
| mean | 43.4 | 51.8 |
| std. deviation | 5.3 | 5.2 |
Leaf length (cm)
| 'Snowbird' | 'Kennebec' | |
|---|---|---|
| mean | 30.8 | 35.5 |
| std. deviation | 2.1 | 3.8 |
Colour of corolla (RHS)
| 'Snowbird' | 'Kennebec' | |
|---|---|---|
| inner surface | 76B | 155B |
Click on image for larger view
Potato: 'Snowbird' (left) with reference variety 'Kennebec' (right)
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