中国油料作物学报2025，Vol.47Issue(2)：370-379,10.DOI:10.19802/j.issn.1007-9084.2023322
芝麻种质资源矿质元素含量和品质性状分析与综合评价
Evaluation of mineral content and quality traits of sesame germplasm resources
摘要
Abstract
Evaluation and screening of high quality sesame germplasm provide excellent parents and interme-diate materials for genetic improvement of sesame quality.In this study,contents of 8 mineral elements(calcium,magnesium,phosphorus,iron,copper,manganese,zinc and selenium)and 10 quality traits(oil content,protein con-tent,oleinic acid,linoleic acid,sesamin,sesamolin,β-sitosterol,campesterol,Δ5-avenasterol and stigmasterol)of 120 sesame germplasm were determined.Multiple statistical methods such as correlation analysis,principal compo-nent analysis and cluster analysis were used to comprehensive evaluation of nutritional quality of sesame resources.The results showed significantly positively correlations between phosphorus and zinc,magnesium and manganese,iron and copper;calcium was significantly negatively correlated with zinc;oil content was significantly positively correlated with sesamin and sesamolin;oleinic acid was significantly negatively correlated with linoleic acid;sesa-min was significantly positively correlated with sesamolin;stigmasterol were significantly negatively correlated with oil content,protein content,oleinic acid,sesamin,and sesamolin;copper had a significant negative correlation with oil content and sesamin;protein content was positively correlated with all mineral elements except calcium.A total of 6 principal components were extracted for 4 mineral element(calcium,iron,zinc,selenium)content and 10 quali-ty traits,with a cumulative contribution rate of 79.084%.Ten germplasm with excellent quality and rich in mineral elements were screened through the results of the comprehensive evaluation of mineral element content and quality traits.The results of cluster analysis showed that the 120 sesame germplasm resources could be divided into 5 groups.Group I contains 18 germplasm with high contents of iron,copper,zinc,protein and oleinic acid compared with other groups;Group Ⅱ contains 25 sesame resources with high contents of phosphorus,magnesium,manganese,selenium and linoleic acid compared with other groups;Group Ⅲ contains 24 sesame resources with high contents of calcium,oil content,sesamin and sesamolin;Group Ⅳ contains 39 sesame resources with relatively balanced qualities,but with lower zinc content;Group Ⅴ contains 14 sesame resources with higher phytosterol content but lower oil content and sesamin content than other groups.This study was expected to provide theoretical basis and ex-cellent parental material for the breeding of sesame varieties with high mineral content and excellent quality.关键词
芝麻/种质资源/种子/矿质含量/品质/综合评价Key words
sesame/germplasm/seed/mineral content/quality/comprehensive evaluation分类
农业科技引用本文复制引用
周江龙,胡凤铎,周瑢,周王易,王志坚,黎冬华,张艳欣,王林海,游均..芝麻种质资源矿质元素含量和品质性状分析与综合评价[J].中国油料作物学报,2025,47(2):370-379,10.基金项目
中国农业科学院科技创新工程(CAAS-ASTIP-2021-OCRI) （CAAS-ASTIP-2021-OCRI）
现代农业产业技术体系(CARS-14) （CARS-14）
