|Table of Contents|

Analysis and Evaluation of Fruit Phenotypic Traits Diversity of 66 Plum Germplasm Resources in Northeast Cold Area

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2025年9
Page:
1-10
Research Field:
Publishing date:

Info

Title:
Analysis and Evaluation of Fruit Phenotypic Traits Diversity of 66 Plum Germplasm Resources in Northeast Cold Area
Author(s):
LIN Cunxue1; DONG Hang2; XING Xing3; GUO Jinling2; ZHANG Shuai2; YANG Xiaohua2
(1.Hailin Forestry and Grassland Bureau，Hailin，Heilongjiang 157199；2.Mudanjiang Branch，Heilongjiang Academy of Agricultural Sciences，Mudanjiang，Heilongjiang 157041；3.Prataculture Research Institute，Heilongjiang Academy of Agricultural Sciences，Harbin，Heilongjiang 150000)
Keywords:
plum; germplasm resources; fruit traits; genetic diversity
PACS:
S 662.3
DOI:
10.11937/bfyy.20244276
Abstract:
Taking 66 plum germplasm resources in Mudanjiang Branch of Heilongjiang Academy of Agricultural Sciences as the research object，31 fruit phenotypic traits were statistically analyzed by means of diversity analysis，correlation analysis，cluster analysis and principal component analysis,in order to provide references for the comprehensive evaluation of cold-region plum germplasm resources and the breeding of superior varieties in Northeast China.The results showed that the range of information index H and genetic diversity index D were 0.600 2-1.502 8 and 0.410 0-0.759 4，respectively，among which the nutlet shape，pericarp base color，color of pulp and fruit shape were in higer diversity indexes.The coefficient of variation of 12 quantitative traits ranged from 4.33% to 50.04%，among which the single fruit mass，nutlet shape index，fruit shape index，nutlet weight and fruit transverse diameter varied greatly.Through cluster analysis，the germplasms were segregated into four groups，among which the four resources in group Ⅲ had the characteristics of large fruit，high edible rate and high soluble solid content，which were in line with the direction of improved variety breeding and market demand and had great development and popularization potential.Principal component analysis showed that the cumulative contribution rate of the first four principal components was 79.077%，which could reflect the basic information of these 12 quantitative traits.Single fruit mass，fruit vertical diameter，fruit transverse diameter，nutlet transverse diameter and soluble solid content could be used as key indicators for comprehensive evaluation of fruit characteristics of plum germplasm resources in northeast cold area.

References:

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Last Update: 2025-05-15