Variation analysis of growth traits and medicinal components in different provenances of Polygonatum cyrtonema based on heterogeneous garden experiment

Shiming Cheng, Ying Hu, Yan Cheng, Zhiyang Qian, Xiurong Xu, Xiashuo Lei and Xiaodeng Shi

PLOS ONE, 2026, vol. 21, issue 4, 1-18

Abstract: Polygonatum cyrtonema is a valuable medicinal and edible plant whose sustainable utilization is challenged by wild resource depletion and germplasm degradation. This study established a multi-site provenance trial across three heterogeneous garden environments in Zhejiang Province, China, to evaluate 11 geographically diverse provenances. We systematically measured growth traits (plant height, stem diameter, leaf morphology) and medicinal components (polysaccharides, saponins, flavonoids, total phenolics), and applied combined ANOVA, correlation analysis, principal component analysis, and cluster analysis to quantify provenance variation patterns and environmental drivers. Results revealed highly significant differences (P

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0346920

DOI: 10.1371/journal.pone.0346920

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