CHEN Lei,ZHAO Hui,LIU Yufu,et al.Evaluation of Fruit Traits and Selection of Excellent Fresh Food Resources for Apricot Germplasm Resources in Cold Regions[J].Northern Horticulture,2024,(8):20-26.[doi:10.11937/bfyy.20233884]
寒地杏种质资源果实性状评价及优异鲜食资源筛选
- Title:
- Evaluation of Fruit Traits and Selection of Excellent Fresh Food Resources for Apricot Germplasm Resources in Cold Regions
- 文章编号:
- 1001-0009(2024)08-0020-07
- Keywords:
- apricot; qualitative traits; quantitative traits; correlation analysis; principal component analysis
- 分类号:
- S 662.2
- 文献标志码:
- A
- 摘要:
- 以29份寒地杏种质资源为试材，测定果实23个质量性状和6个数量性状并进行分析评价，以期为深入了解寒地杏种质资源遗传多样性、挖掘和高效利用杏资源提供参考依据。结果表明：29份资源数量性状中果实硬度和单果质量变异系数最大，分别为68.35%和40.32%，单果质量和核鲜质量呈显著正相关；质量性状的多样性指数变化范围为0.273 2～1.673 1，果形多样性指数最高，为1.673 1，风味和果实颜色的多样性指数分别为1.204 9和1.191 9，说明杏资源表型多样性较为丰富；主成分分析表明前8个主成分能代表23个描述型性状的大部分信息，累计方差贡献率达 77.789%；筛选出6份优异鲜食杏资源,分别为‘丹麦黄杏’‘双山杏’‘桦甸杏’‘白杏1’‘九台晚杏’‘桦甸红杏’。
- Abstract:
- Twenty-nine apricot germplasm resources were used as test materials，twenty-three qualitative traits and six quantitative traits of fruit were analyzed and evaluated,in order to provide reference for deeply understand the genetic diversity of apricot germplasm resources in cold regions，screen and excavate and efficiently utilize apricot resources.The results showed that the variation coefficients of fruit firmness and single fruit weight were 68.35% and 40.32%，respectively.There was a significant positive correlation between single fruit weight and nuclear fresh weight.〖JP2〗The Shannon-Weaver index of quality traits was 0.273 2-1.673 1，the diversity index of fruit shape was the highest，which was 1.673 1，and the diversity indexes of flavor and fruit color were 1.204 9 and 1.191 9，respectively，indicating that the phenotypic diversity of apricot resources was abundant.Principal component analysis showed that the first 8 principal components could represent most of the information of 23 descriptive characters，and the cumulative variance contribution rate was 77.789%.Six excellent fresh apricot resources were selected：‘Danish Yellow Apricot’‘Shuangshan Apricot’‘Huadian Apricot’‘White Apricot 1’‘Jiutai Late Apricot’ and ‘Huadian Red Qpricot’.
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备注/Memo
第一作者简介：陈蕾（1982-），女，硕士，副研究员，现主要从事李、杏育种与栽培等研究工作。E-mail:chenleisofia@126.com.责任作者：侯佳贤（1979-），女，硕士，副研究员，现主要从事科研管理及果树栽培等研究工作。E-mail:jlhoujiaxian@163.com.基金项目：吉林省科技发展计划资助项目（20200402081NC）。收稿日期：2023-11-10