Short-term storage conditions for transport and farm delivery of the stink bug perillus bioculatus for the biological control of the colorado potato beetle
Bibliographic record
Abstract
The most common method of controlling the Colorado potato beetle (CPB), Leptinotarsa decemlineata (Say), is the application of chemical insecticides. Several alternatives to chemical insecticides have been proposed, but are in general not yet applicable for current commercial scale production. One of them is augmentative biological control using a natural insect predator. Consideringthe need of more sustainable agriculture, the objective of this study was to develop adequate short-term storage conditions for the second instar nymphs of the predaceous pentatomid, Perillus bioculatus. This instar has previously been found to be suitable for release to control eggs and early instars of the CPB in the springon potatoes. Many laboratory tests on P. bioculatus second instar nymphs have been carried out to investigate the followingstorag e conditions: air temperature, photoperiod, and period of storage. Results show that storage temperatures within the range of 9 to 15oC and photoperiod (16:8 h L:D and 0:24 h L:D) did not significantly affect the survival and post-storage development of P. bioculatus nymphs stored for periods of 2 to 8 d. Compared with shorter periods (i.e., less than 8 days), storage for 10 days significantly reduced the survival rate by about 20%. Development time to the next instar at 208C followingstorag e was not significantly affected by experimental conditions, although development was slightly faster at 158C for 10 days of storage. Future studies should investigate the dispersal and predaceous performance of P. bioculatus followingvarious combinations of storage conditions.
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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".