福建农业学报2025，Vol.40Issue(11)：1160-1168,9.DOI:10.19303/j.issn.1008-0384.2025.11.008
基于农艺性状和多糖含量的多花黄精种质资源评价
Polygonatum cyrtonema Germplasms Evaluation Based on Agronomic Traits and Polysaccharide
摘要
Abstract
[Objective]A comprehensive evaluation was conducted on Polygonatum cyrtonema germplasms to identify superior accessions for breeding.[Method]Sixteen agronomic traits,along with polysaccharide content,of P.cyrtonema collected at Taozhou Base in Guangze,Nanping City,Fujian Province were evaluated to determine breeding potentials of the germplasms using correlation,principal component,and cluster analyses.[Result]The coefficients of variation of all agronomic indexes,except branch count,were greater than 20%.Advantageously,the plant height,leaf length,and aboveground fresh weight of 13 germplasms differentiated significantly that eased cultivar selection.The correlation analysis indicated strong relationships among agronomic traits and polysaccharide content indices,suggesting information overlap among indicators.Therefore,principal component analysis is suitable for extracting a few key indices to comprehensively evaluate the germplasm resources of P.cyrtonema.By using top 6 principal components on the indexes with eigenvalues greater than 1 and 88.23%on cumulative variance contribution rate,it was found that most information on the main agronomic characteristics of the germplasms were covered.And by applying the cluster analysis,the collected P.cyrtonema germplasms could be distinctively categorized into two classes.By integrating principal component analysis and cluster analysis,a comprehensive evaluation on P.cyrtonema germplasm resources selected the long-leaf accession CY-5 as a recommended elite germplasm for breeding superior cultivars.[Conclusion]A superior germplasm of P.cyrtonema,the long-leaf P.cyrtonema CY-5,was screened and identified,offering a reference for future breeding of this species.关键词
多花黄精/种质资源/相关性分析/主成分分析/聚类分析Key words
Polygonatum cyrtonema/germplasm resource/correlation analysis/principal component analysis/cluster analysis分类
医药卫生引用本文复制引用
郑回勇,饶宝蓉,郑梅霞,方扬辉,苏海兰,朱育菁,陈宏,牛雨晴,朱雁鸣,林凤芳,陈泳和..基于农艺性状和多糖含量的多花黄精种质资源评价[J].福建农业学报,2025,40(11):1160-1168,9.基金项目
福建省科技计划公益类专项(2023R1104、2023R1032004、2022R1034008) （2023R1104、2023R1032004、2022R1034008）
福建省科技计划重大专项(2022NZ029017) （2022NZ029017）
福建省农业科学院优秀科技创新人才专项(YCZX202501) （YCZX202501）
