September 5, 2025Plant BreedingOpen Access

Genetic Diversity and Population Structure of Sweetpotato Accessions (Ipomoea batatas [L.] Lam.) Revealed by Single Nucleotide Polymorphism Markers

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Genetic diversity varied from 0.12 to 0.50 among sweetpotato genotypes, indicating substantial variation.
The mean polymorphic information content (PIC) of SNP markers was 0.29, representing moderate polymorphism.
The observed heterozygosity of 0.12 aligns with sweetpotato's cross-pollinating nature, indicating limited genetic base.
High fixation index (F) values of 0.68 suggest limited interbreeding, impacting genetic variability within populations.

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Analysis reveals significant genetic diversity in sweetpotato populations, suggesting potential for crop improvement.

Chizhande et al. (2025) studied this question.

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