Imposa
| Denomination: | 'Imposa' |
|---|---|
| Botanical Name: | Vicia faba |
| Applicant/Holder: |
Limagrain Europe SA Biopole Clermont-Limagne Rue Henri Mondor Saint Beauzire 63360 France |
| Breeder: |
Abel Jan Bouwman, Limagrain Advanta Nederland BV, Rilland, Netherlands |
| Agent in Canada: |
Limagrain Cereals Research Canada 843-58th Street East Saskatoon, Saskatchewan S7K 6X5 Canada Tel: 306-250-6105 |
| Application Date: | 2009-02-26 |
| Application Number: | 09-6511 |
| Grant of Rights Date: | 2011-02-10 |
| Certificate Number: | 4003 |
| Date rights surrendered: | 2019-02-10 |
Variety Description
Variety used for comparison: 'Snowbird'
Summary: 'Imposa' has a medium sized leaflet while it is a small size in 'Snowbird'. The leaflet of 'Imposa' is sub-orbicular in shape while it is sub-elliptic in 'Snowbird'.
Description:
PLANT: erect growth habit, indeterminate growth type, early time to flowering, moderate time to maturity, low tillering capacity, high self fertilization
STEM: absent or very weak anthocyanin colouration, white nectaries on the nodal bracts
LEAFLET: medium intensity of grey green colour, medium size, sub-orbicular shape, strong tendancy to folding
FLOWER: white ground colour, medium number per 2nd or 3rd flowering node
WING: uniform white petal colour, melanin spot absent
STANDARD: melanin spot absent, no anthocyanin colouration present
POD: 3 to 4 seeds per pod, erect attitude, medium width, yellow to brown colour at maturity, thin to medium thickness of pod wall, very slight degree of curvature, flattened-constricted shape, matte lustre
SEED: medium size, elliptic shape in cross-section, oblong shape in median longitudinal section, olive to tan colour at maturity, white ground colour of the testa, no testa pattern, small sized very light grey hilum, yellow cotyledon colour
Origin & Breeding History: 'Imposa' (experimental designation Ceb 04928) is the result of a cross made in 1996 between '94012' x 'Pistache' at Lelystad, The Netherlands. In 1997, a single plant was selected in the F2, followed by years of line selection, replicated yield trials and multiplication. Selection criteria included yield, resistance to disease, resistance to lodging and earliness in maturity.
Tests & Trials: Test and trials were conducted in Barrhead, Alberta during the summers of 2008 and 2009. Plots consisted of 4 rows with a row length of 4.5 meters and a row spacing of 0.2 meters. Plots were spaced 0.3 meters apart. There were 4 replicates. Measured characteristics were based on a minimum of 10 measurements per year per variety.
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Faba bean: 'Imposa' (right) with reference variety 'Snowbird' (left)
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