Susceptibility of Cabbage Maggot Larvae (Diptera: Anthomyiidae) to Hypocreales Entomopathogenic Fungi
Bibliographic record
Abstract
The pathogenicity of six Metarhizium spp., four Beauveria bassiana (Balsamo) Vuillemin, and four Tolypocladium cylindrosporum Gams (Ascomycota: Hypocreales) fungal pathogens exposed to third-instar Delia radicum L. was evaluated in laboratory bioassays. The presence of intra- and intergeneric variations concerning the pathogenicity of the isolates was investigated. Results show that all Metarhizium spp. and T. cylindrosporum isolates caused a noteworthy mortality to the third instar and consequently reduced adult eclosion. The well-known standard, F52 strain (identified as Metarhizium brunneum), resulted in up to 79% reduction in D. radicum eclosion. The other Metarhizium isolates including UAMH 9197 (Metarhizium anisopliae) and UAMH 2801 (M. brunneum), as well as T. cylindrosporum DAOM 167325 and DAOM 183952, produced a mean eclosion reduction of >50%. While the pathogenicity of Metarhizium spp. and T. cylindrosporum is similar, the B. bassiana isolates are undoubtedly less pathogenic. Based on the results obtained with the selected isolates, no intrageneric differences relative to the pathogenicity of the isolates appeared to be present. Globally, this study deepened the knowledge about D. radicum susceptibility toward Hypocreales entomopathogenic fungi, chiefly T. cylindrosporum. The implications of this study regarding the development of a biological control agent are discussed.
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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 | 0.000 |
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".