Genome size variation in natural populations of wild potato species from west Argentina
Bibliographic record
Abstract
Wild potato species (Solanum, section Petota) have great ecological adaptability and represent essential genetic resources for the improvement of the third most important food crop worldwide. From more than 100 species described for this section, the genome size has been established for only 12. The aims of this work were to: contribute data on the C-values for Solanum species; assess the degree of interspecific and intraspecific genome size variation; investigate correlations between genome size and bioclimatic variables; and determine whether the data for genome size are helpful for delineating taxa. The DNA contents of 97 genotypes from 28 populations and two accessions of seven wild potato species, including diploids, triploids, and tetraploids, were measured by flow cytometry. Statistical genome size differences within and among species were found. The natural interploidal hybrid Solanum × rechei had the highest intraspecific genome size variation. The tetraploid S. acaule presented the smallest monoploid genome size (0.72 pg), whereas the triploid cytotype of S. microdontum was the largest (0.82 pg). Correlations among bioclimatic and geographic variables and genome size were found in most species. The roles of hybridisation and polyploidisation events on genome size variability are discussed.
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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".