Trichothecenes and aggressiveness of <i>Fusarium graminearum</i> causing seedling blight and root rot in cereals
Bibliographic record
Abstract
Greenhouse trials conducted in 2003 and 2004 investigated the impact of trichothecenes on the severity of seedling blight and root rot in common wheat ( Triticum aestivum ), durum wheat ( Triticum turgidum var. durum ), barley ( Hordeum vulgare ) and triticale (× Triticosecale 6x ) using two trichothecene‐producing and two trichothecene‐nonproducing Fusarium graminearum strains. In 2003 seedling emergence and survival following soil infestation of the trichothecene‐producing strain (Gz3639) were significantly reduced compared with the trichothecene‐nonproducing strain (GzT40), while root‐rot incidence and severity were increased significantly. In 2004, two trichothecene‐producing strains (Gz3639 and GzT106) reduced seedling emergence and survival ( P ≤ 0·01) in eight of 10 crops/cultivars based on single‐degree‐of‐freedom contrasts. However, when results from all strains were combined no significant differences were observed between two trichothecene‐producing and two trichothecene‐nonproducing F. graminearum strains. Inoculation with GzT106, a trichothecene‐producing ‘add‐back’ strain, resulted in more severe root rot symptoms in eight of 10 cultivars ( P ≤ 0·01–0·05) and lower seedling emergence and survival in seven of 10 cultivars ( P ≤ 0·01–0·10), compared with the wild‐type parental strain Gz3639. The presence of trichothecenes may play an important role in the aggressiveness of F. graminearum .
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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 | 0.000 | 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) | 0.000 | 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".