Dose-response Curves of Herbicides Applied in Pre-Emergency of Euphorbia hyssopifolia L.
Bibliographic record
Abstract
The species Euphorbia hyssopifolia L. belongs to the Euphorbiaceae family, and occurs in pasture areas, roads and sugarcane fields. Therefore, it can interfere with agricultural production and thus needs to be managed. The key to solving this problem is the construction of dose-response curves with herbicides commonly registered for crops. Thus, the present work aims to use dose-response curves with herbicides widely used in sugarcane cultivation belonging to the mechanisms of action of ALS inhibitors (acetolactate synthase enzyme), carotenoid biosynthesis inhibitors, photosystem II (PS II), cellulose biosynthesis inhibitors, protox inhibitors (protoporphyrinogen oxidase enzyme) and VLCFA inhibitors (very long chain fatty acids), for the control of E. hyssopifolia. The experiments were conducted in a greenhouse at the Engineering and Agricultural Sciences Campus of the Federal University of Alagoas, with pre-emergence application of weeds, the herbicides diclosulam, imazapic, metsulfuron-methyl, clomazone, isoxaflutole, indaziflam, hexazinone, tebuthiuron, amicarbazone, flumioxazin, oxyfluorfen, sulfentrazone, s-metolachlor and pyroxasulfone in increasing doses of: 0; 12.5; 25; 50; 100; 200 and 400% at the recommended dose for sugar cane. As a result of the study, E. hyssopifolia showed greater sensitivity to the herbicides diclosulam, imazapic, metsulfuron-methyl, clomazone, hexazinone, indaziflam, flumioxazin, oxyfluorfen and pyroxasulfone, as the lethality of their doses occurred below 20% of the commercial dose indicated for sugar cane crops. As for the herbicides isoxaflutole, tebuthiuron, amicarbazone, sulfentrazone and s-metolachlor, the species exhibited lower sensitivity, with a lethal dose recorded above 50% of the respective recommended commercial dose.
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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) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| 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 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".