Myanmar mango landraces reveal genetic uniqueness over common cultivars from Florida, India, and Southeast Asia
Bibliographic record
Abstract
Mango (Mangifera indica) is believed to have evolved in a large area spanning northeastern India, Bangladesh, and northwestern Myanmar. We compared the genetic structure of mango accessions from Myanmar with that of mango accessions from Florida, India, and Southeast Asia with 11 SSR markers. The Myanmar accessions exhibited considerable genetic diversity (unbiased heterozygosity, UHe = 0.698) and a high number of private alleles. Despite the low degree of genetic differentiation among accessions (global Fst, tetha = 0.123), Myanmar's accessions were distinguishable from mango accessions from Florida, India, and Southeast Asia in a principal coordinates plot. Genetic differentiation of the Myanmar accessions from other groups was also observed in a Bayesian cluster analysis. No population structure among Myanmar accessions was revealed by a neighbor-joining tree. Our results revealed a broad genetic background and genetic distinctiveness of mango in Myanmar. We discuss the implications for diversification mechanisms based on the embryo type characteristics and provide recommendations for conservation efforts.
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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) | 0.001 | 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".