ArticleBMC plant biology2025
Genetic diversity and trait associations in biofortified short-duration sweet potato (Ipomoea Batatas L.) genotypes.
Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Genotype × harvest time effects on yield, root size distribution, and sensory quality in sweet potato (Ipomoea batatas L.).BMC plant biology · 2026Article
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7 authors.
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Abstract
backgroundSweet potato (Ipomoea batatas L.) is a nutrient-dense crop rich in carbohydrates, vitamins A and C, and dietary fiber, with broad adaptability. Biofortified cultivars containing high beta-carotene (> 8 mg/100 g) and anthocyanins (> 25 mg/100 g) are limited. This study aimed to evaluate genetic variability, trait associations, and yield performance among twenty biofortified short-duration sweet potato genotypes.
methodsGenotypes were evaluated for morphological, physiological, nutritional, and yield traits in a randomized complete block design with three replications. Data were analyzed using ANOVA, correlation, PCA, cluster analysis, and genetic parameter estimation.
resultsSignificant genotypic differences (p < 0.001) were observed for the most traits, including number and mass of total and economic tuberous roots. The greatest yield was recorded in genotype BAU Sweetpotato-5 (44.8 t ha⁻¹), which was followed by G-54 (27.1 t ha⁻¹) and Amtoli-3 (17.3 t ha⁻¹). Yield was positively correlated with root number and mass. A total of 79% of variation was described by the first five components, according to principal component analysis (PCA), with PC1 and PC2 accounting for 47%. The principal component (PC) scores of genotypes were separated largely by higher, negative coefficients of number and mass of both total and economic root traits, nutritional traits - % of glucose, fructose, sucrose and lower, negative coefficients of two physiological traits -leaf vapor pressure (LVP), vapor pressure deficit (VPD); and number of leaves per vine. Cluster analysis grouped genotypes into four distinct clusters with cluster II representing high-yielding genotypes and cluster I representing moderately carotene-enriched genotypes. High heritability and genetic advance of mean for yield (89% and 130%), economic root mass, (87% and 135.6%) leaf area (97.6% and75%, respectively) indicate their strong potential for selection.
conclusionThe study revealed substantial genetic variability among the evaluated sweetpotato genotypes, providing valuable information for future breeding, genetic studies, and conservation efforts.
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