Insecticides and Varietal Resistance in the Control of the Squash Vine Borer, Melittia Cucurbitae (Harr.), in Southwestern Ontario1
Bibliographic record
Abstract
In experiments on Golden Hubbard squash in 1952 and 1954, dusts of 2½ per cent aldrin, 1 and 2½ per cent dieldrin, 3 per cent methoxychlor, and 3 per cent aerosol-grade DDT each gave excellent control of the squash vine borer. A 1 per cent rotenone dust was moderately effective. Three applications, the first during the last week of June and the two others at 7- to 10-day intervals, were adequate The dusts should be directed to the bases of the stems, where 85 per cent of the eggs are laid The insecticides were not phytotoxic under conditions of the experiment Butternut pumpkin, Honey Cream watermelon, Iroquois muskmelon, Zucca melon, and red-seeded citron and National Pickling and Straight 8 cucumbers were immune to borer attack The following cucurbit varieties were susceptible in varying degrees: Delicata, Table Queen, Royal Acorn, Connecticut Field, and Small Sugar pumpkins, Vegetable Marrow (bush and trailing) summer squash; Mammoth Chili, Golden Delicious, Green Delicious, Blue Hubbard, Warted Hubbard...
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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 | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 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".