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. 2023 Nov 23;12(3):1647-1654.
doi: 10.1002/fsn3.3858. eCollection 2024 Mar.

Genetic relationships between sweet cherry (Prunus avium L.) and sour cherry (P. cerasus L.) as revealed using fruit characterizations and chloroplast microsatellites

Ali Khadivi  1 , Somayeh Goodarzi  1 , Mostafakamal Shams  2
Affiliations

Genetic relationships between sweet cherry (Prunus avium L.) and sour cherry (P. cerasus L.) as revealed using fruit characterizations and chloroplast microsatellites

Ali Khadivi et al. Food Sci Nutr. .

Abstract

In the present study, the genetic diversity as well as the relationship between sweet cherry (Prunus avium L.) and sour cherry (P. cerasus L.) genotypes were investigated based on fruit traits and chloroplast microsatellites (cpSSRs). Analysis of variance showed that the studied genotypes have significant differences in the studied traits. In sweet cherries, the average fruit weight was 4.49 g with a coefficient of variation (CV) of 15.62%, the average stone weight was 0.34 g with a CV of 15.67%, and the average total soluble solids was 11.90% with a CV of 22.06%. Also, in sour cherries, the average fruit weight was 2.65 g with a coefficient of variation (CV) of 14.27%, the average stone weight was 0.28 g with a CV of 12.27%, and the average total soluble solids was 10.90% with a CV of 19.80%. Principal component analysis (PCA) showed that 83.80% of the observed variance was explained by the first three components. The cluster analysis separated genotypes of sweet and sour cherries and put them into two main groups. Four cpSSR primers produced distinct and different alleles among sweet and sour cherries. The cpSSR loci separated sweet and sour cherries from each other, which confirms the theory that chloroplast genome of sour cherry is not derived from sweet cherry. The present results provided new insights regarding the extent of diversity of individuals and also determined the relatedness and obtained information on genetic diversity of sweet and sour cherries.

Keywords: breeding; cherries; chloroplast; fruit; variation.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

FIGURE 1
FIGURE 1
Biplot for the studied sweet and sour cherries based on PC1/PC2.
FIGURE 2
FIGURE 2
Ward cluster analysis of the studied sweet and sour cherries based on fruit traits using Euclidean distances.
FIGURE 3
FIGURE 3
UPGMA cluster analysis of the studied sweet and sour cherries based on cpSSR data.
See this image and copyright information in PMC

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