The influence of plant injury on development of<i>Mycosphaerella pinodes</i>in field pea
Bibliographic record
Abstract
Plants of field pea, Pisum sativum ‘AC Tamor’, were mechanically injured by sandblasting and inoculated with Mycosphaerella pinodes immediately after this pretreatment and 1, 2, 4, and 8 days later under controlled conditions. A negative linear relationship was observed between disease severity, measured as the area under the disease progress curve over a period of 17 days, and the time elapsed between injury and inoculation. Control plants, without injury, were inoculated parallel to the injured plants and did not show this response. Inoculation up to 24 h after injury resulted in significantly higher disease severity than inoculation after that period or inoculation of control plants, suggesting that injury facilitates infection of the pea plant by M. pinodes prior to the formation of callus. In field experiments, differences between injury and control treatments of nine field pea genotypes (cultivars and germplasm accessions) were apparent only a few weeks after inoculation. Disease severity in the second half of the cropping season that was characterized by above-average precipitation was similar in all treatments. This indicates that plant injury plays a minor role in the establishment and development of M. pinodes when conditions are conducive to an epidemic outbreak of the disease. Spore production was monitored with simple spore traps in plots with and without injury treatment and did not show any difference in spore numbers.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 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) | 0.000 | 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 teacher head, 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".