Agronomic and seed quality evaluation of <i>Camelina sativa</i> in western Canada
Bibliographic record
Abstract
Renewed interest in Camelina sativa is primarily due to the unique fatty acid profile of the seed oil and its potential value in industry, cosmetics and human nutrition. To exploit C. sativa in western Canada, more information is needed on the performance of this crop in this region. Following a preliminary evaluation in 2001, replicated agronomic trials were conducted in 2002 and 2005 with 19 C. sativa and three oilseed Brassica accessions at Saskatoon and Scott, Saskatchewan and Beaverlodge, Alberta. The C. sativa accessions matured relatively early and were more tolerant of drought and flea beetle infestations than the Brassica oilseeds. Some C. sativa accessions had seed yields competitive with those of the Brassica oilseeds, but seed size was significantly smaller. Seed yields and oil contents of all crop species tested were highest at Beaverlodge, the most northern location. The Brassica oilseeds generally had higher oil contents than C. sativa; the highest oil contents of each crop species tested were associated with the lowest protein contents. In general, average oil and protein contents for C. sativa ranged from 38 to 43% and from 27 to 32%, respectively; for the Brassica checks, oil and protein contents ranged from 38 to 53% and from 21 to 33%, respectively, across all species. Variation in fatty acid composition was higher among the C. sativa accessions than among locations, but overall the ranges of individual fatty acids were relatively narrow. The most abundant fatty acids were oleic (12.8–14.7%), linoleic (16.3–17.2%), linolenic (36.2–39.4%) and eicosenoic (14.0–15.5%). The prospects of developing improved C. sativa germplasm for particular western Canadian environments are good; of primary importance are increased seed size and oil content. Additionally, stand establishment, fertility requirements and broadleaf weed control options need to be investigated. Acceptance of this species as a new oilseed crop for western Canada will also require developing sustainable markets for the oil and meal. Key words: Camelina sativa, seed quality, agronomic trait, oil and protein content, fatty acid
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.002 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".