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| ACCESSION | PLANT NAME | TAXONOMY | ORIGIN | GENEBANK | IMAGE | AVAILABILITY | RECEIVED | SOURCE TYPE | SOURCE DATE | COLLECTION SITE | COORDINATES | ELEVATION | HABITAT | IMPROVEMENT LEVEL | NARRATIVE | | |
|---|
| 0 | PI 639274 | 'Premier' | Brassica napus L. | Idaho, United States | NC7 | | | 2005 | DEVELOPED | 12/2002 | | | | | Cultivar | Seed yield was medium to high and relatively consistent over a range of environments that exist throughout the Pacific Northwest region. Averaged over 59 year/sites, yield was 1785 kg/ ha, compared to Hyola.401, Sunrise, Westar and Profit with 2076 kg/ha, 1778 kg/ha, 1675 kg/ha, and 1631 kg/ha, respectively. This cultivar would not be recommended for planting in areas with less than 40 cm of annual rainfall. Oil content was not significantly different from the high oil cultivar Profit and significantly higher than Hyola.401 and Westar. It has lower linolenic acid content (35 g/kg) than Sunrise (101 g/kg). The reduction of linolenic acid results in an increase of linoleic acid (204 g/kg) and a slight increase in oleic acid (667 g/kg). Aliphatic glucosinolate content of defatted seed meal was 12.0 micromole/g, which was significantly higher than the low glucosinolate cultivar Sunrise, but within the canola standard of less than 30.0 micromoles/g. The primary aliphatic glucosinolate types were 2-hydroxy-3-butenyl glucosinolate (7.3 micromole/g) and 3-butenyl glucosinolate (4.2 micromole/g). 50% Bloom on average was reached 56 d after planting, which was 3 days later than Hyola.401 and one day earlier than Sunrise and Profit. Average plant height was 130 cm at maturity compared to 114 cm and 138 cm for Hyola.401 and Sunrise, respectively, and is resistant to lodging, and moderately resistant to spring frost. Seed cotyledons are medium in size and seedling habit is prostrate at the leaf rosette stage. Leaves are medium green and non-glaucous. Flowers and flower buds are located at the tip of the apical meristem. Flowers are bright yellow and anther dotting is absent. Bilateral single siliques have a semi-erect habit. Silique length and breadth are both medium with a short silique beak and short pedicel length. Siliques contain a high number of dark brown-black seeds. | 1677388 | PI 639274 |