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园艺学报 ›› 2026, Vol. 53 ›› Issue (8): 2241-2255.doi: 10.16420/j.issn.0513-353x.2025-0324

• 遗传育种 · 种质资源 · 分子生物学 • 上一篇    下一篇

100份南方李种质果实糖酸组分含量分析

陈方策1, 王宁1, 肖雨菲1, 钟创南1, 侯蕊利1, 欧阳逸奇1, 李海炎2, 万保雄2, 易显荣2, 徐志美2, 陈进庆3, 张坤梅3, 赖寿任3, 刘朝阳1,*()   

  1. 1 农业农村部华南地区园艺作物生物学与种质创制重点实验室华南农业大学园艺学院, 广州 510642
    2 广西特色作物研究院, 广西桂林 541004
    3 信宜市农业科技推广中心, 广东茂名 525300
  • 收稿日期:2026-03-20 修回日期:2026-05-22 出版日期:2026-08-25 发布日期:2026-08-25
  • 通讯作者:
  • 基金资助:
    广东省重点领域研发计划项目(2025B0202070006); 广东省现代农业产业技术体系创新团队建设项目(2024CXTD09)

Analysis of Sugar and Acid Component Contents in Fruit of 100 Southern Plum Germplasm Accessions

CHEN Fangce1, WANG Ning1, XIAO Yufei1, ZHONG Chuangnan1, HOU Ruili1, OUYANG Yiqi1, LI Haiyan2, WAN Baoxiong2, YI Xianrong2, XU Zhimei2, CHEN Jinqing3, ZHANG Kunmei3, LAI Shouren3, LIU Chaoyang1,*()   

  1. 1 Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in South ChinaMinistry of Agriculture and Rural Affairs,College of Horticulture,South China Agricultural University, Guangzhou 510642, China
    2 Guangxi Academy of Special CropsGuilin, Guangxi 541004, China
    3 Xinyi Agricultural Science and Technology Extension CenterMaoming, Guangdong 525300, China
  • Received:2026-03-20 Revised:2026-05-22 Published:2026-08-25 Online:2026-08-25

摘要:

对华南、西南和华东地区的100份南方李种质的果实糖酸组分含量及特征进行了测定和分析。结果表明,南方李果实中的主要可溶性糖是葡萄糖和果糖,主要有机酸是苹果酸。果实内葡萄糖、果糖和山梨醇含量两两呈极显著正相关,蔗糖与其他糖组分间相关性不显著。苹果酸与柠檬酸含量极显著正相关,酒石酸与苹果酸之间、琥珀酸与柠檬酸之间也分别呈显著正相关。其中华南李的苹果酸和总酸含量显著高于其他南方种质,西南地区李的总酸含量较低,展现出了显著的地区差异性。

关键词: 李, 种质, 可溶性糖, 有机酸

Abstract:

The sugar and acid components and their characteristics in fruits of 100 southern plum (Prunus salicina)germplasms collected from South China,Southwest China,and East China were systematically determined and analyzed. The results revealed that glucose and fructose constituted the predominant soluble sugars,while malic acid was identified as the principal organic acid in southern plum fruits. Significant positive correlations were observed among glucose,fructose,and sorbitol contents,whereas sucrose exhibited no significant correlation with other sugar components. Malic acid content demonstrated a highly significant positive correlation with citric acid,while significant positive correlations were also detected between tartaric acid and malic acid,as well as succinic acid and citric acid. Among them,the malic acid and total acid contents of the South China plums were significantly higher than those of the other southern germplasm,while the total acid content of the Southwest China plums was lower,demonstrating significant regional differences.

Key words: plum, germplasm, soluble sugar, organic acid