In Vitro Culture of Lingonberry (Vaccinium vitis-idaea L.)
Bibliographic record
Abstract
Shoots of three lingonberry (Vaccinium vitis-idaea L.) cultivars, ‘Regal’, ‘Splendor’, and ‘Erntedank’ and two clones from natural stands in Newfoundland were initiated in vitro from shoot tip and nodal explants on modified Murashige and Skoog (MS) medium containing the plant growth regulators N6-[2-isopentenyl]adenine (2iP) (12.3 μM) or zeatin (5.7 μM). Zeatin was more effective than 2iP, and induced proliferation of 2 to 3 times as many shoots in ‘Regal’ as 2iP. Out of four media tested for shoot proliferation, modified MS medium was found more effective than the Woody Plant Medium for shoot multiplication. With all three cultivars, a reasonable balance in terms of shoot multiplication rate and desirable growth characteristics was attained in a new medium. Nodal explants of the two clones cultured on the modified MS medium with 12.3 μM 2iP produced 4 to 6 healthy axillary shoots per explant in clone 1 and 2 to 4 shoots in clone 2. Shoots rooted well ex vitro directly on a 2 peat: 1 perlite (v/v) medium after dipping in 39.4 mM indole-3-butyric acid. The new protocol proposed from this study is expected to be adapted for propagating a wide range of lingonberry germplasm.
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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 | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.001 |
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".