Comprehensive quality assessment of 296 sweetpotato core germplasm in China: A quantitative and qualitative analysis.

ABSTRACT: The potential for improving sweetpotato quality remains underutilized due to a lack of comprehensive quality data on germplasm resources. This study evaluated 296 core germplasms, revealing significant phenotypic diversity across 24 quality traits in both stem tips and roots. Landraces had higher sugar content in roots, while wild relatives showed increased total flavonoid and phenol contents. Accessions with red-orange flesh were rich in sugars and carotenoids, whereas those with purple flesh had higher dry matter, flavonoids, and phenols. The accessions were classified into three clusters: high sugars and carotenoids, high phenolic compounds, and high starch. A comprehensive quality scoring model identified SP286 and SP192 as superior for stem tips and roots, respectively. Near-infrared

SUBMITTER: Tang C 

PROVIDER: S-EPMC11615577 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature