Screening of lupine germplasm for resistance against <i>Phytophthora sojae</i>
Bibliographic record
Abstract
Phytophthora sojae is a major pathogen in cultivated soybeans world-wide. Although incorporating resistance genes has been an effective management tool for soybean breeders, surveys of soybean fields in the Midwest US indicate that some P. sojae strains are capable of overcoming all known resistance genes. While P. sojae is known to have a very narrow host range, it can also infect Lupinus (lupine), varieties of which may provide potential sources for novel resistance genes that can be genetically engineered into soybean. The chemotactic behavior of zoospores and pathogenicity of P. sojae strain P6497 towards 17 lupine lines were explored. The two soybean varieties Williams and Williams 82 that are susceptible and resistant against P. sojae P6497, respectively, were used as controls. Chemotaxis assays showed that there was no coherent pattern between the number of zoospores colonizing the root surface and plant tolerance or resistance to phytophthora root rot. Pathogenicity tests identified that two of the 17 lupine lines tested (LAB 18 and LL 35) were resistant to P. sojae infection. Phylogenetic analysis of these two resistant lupine lines with Old World lupines of the Mediterranean and North African regions, and New World lupines of America, indicated that they originated from the Old World.
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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".