生物资源2025，Vol.47Issue(3)：287-295,9.DOI:10.14188/j.ajsh.20250317001
黄精种质资源根状茎表型及显微结构分析
Analysis of phenotypic traits and microscopic structure in rhizomes of Polygonatum spp.germplasm resources
摘要
Abstract
Phenotypic traits and microscopic structures of rhizomes as key indicators for the identification of medici-nal rhizome herbs.This study conducted observations on the phenotypic traits and microscopic characteristics of rhizomes of Polygonatum spp.germplasm resources from 29 different origins.The results indicated that there were significant variations in phenotypic traits among Polygonatum spp.from different regions.Among them,the coefficient of variation of fresh weight was the highest(77.95%),and that of chromaticity was the lowest(8.78%).In the genetic diversity analysis,the bud diameter exhibited the highest genetic diversity index(2.0646).Principal component analysis revealed high loading rates for yield-related trait indicators(0.879,0.727,0.857,0.838,and 0.732,respectively).Cluster analysis of rhizome phenotypic traits categorized the Polygonatum spp.germplasm resources into three distinct groups.Additionally,variations were observed in the microscopic structures,particularly in the vascular bundles and mucilage cells of the selected varieties.In conclusion,significant differences exist in both phenotypic traits and microscopic struc-tures of Polygonatum spp.from different regions,providing a theoretical foundation for the screening and evaluation of the germplasm resources,as well as for the variety identification.关键词
黄精/种质资源/根状茎/表型性状/显微结构Key words
Polygonatum spp./germplasm resources/rhizome/phenotypic trait/microscopic structure分类
农业科技引用本文复制引用
袁帅,杨赛,成宏,张静,周昌龙,王洲羿,李佳,刁英,胡中立..黄精种质资源根状茎表型及显微结构分析[J].生物资源,2025,47(3):287-295,9.基金项目
武汉轻工大学人才引进科研启动基金(2021RZ099) （2021RZ099）
