French genome-wide association studies identify 65 SNP-trait associations

07 Mar 2024
2076

A groundbreaking study published in Horticulture Research in September 2023 offers hope for the decline of sweet cherry production in France. The application of genome-wide association studies (GWAS) with multi-local models and three reference genomes marked a significant advance in cherry breeding research. GWAS identified 65 unique SNP-trait associations in eight traits, identifying several candidate genes involved in critical metabolic pathways.

The research uses genotyping by sequencing (GBS) to identify genetic markers associated with improved fruit quality. The researchers analysed 23 agronomic fruit quality traits over several years, using a collection of 116 sweet cherry accessions. This meticulous study revealed significant phenotypic variation in fruit quality, highlighting the complex genetic architecture influencing these traits.

Through the use of GBS, an innovative approach for high-density SNP analysis, the team precisely explored the genetic landscape of sweet cherries. This facilitated the identification of key associations between SNPs and traits, providing valuable information on the genetic basis of desirable fruit traits.

The results not only improve the understanding of genetic control of fruit quality in sweet cherries but also pave the way for the development of marker-assisted selection strategies. These techniques promise to accelerate breeding efforts by adapting them to consumer preferences and producers' needs in the face of climate change.

The research underlines the potential of genetics to mitigate the impacts of climate change on sweet cherry production. As global temperatures rise, cherry trees face increasing biological and environmental pressures, and the identification of genetic markers is a key step in the development of resistant varieties.

This study contributes significantly to horticultural science, illuminating the genetic basis of sweet cherry fruit quality and offering hope to growers and researchers. In a context of climate change, genetic research becomes crucial to ensure the sustainability of cherry production for future generations.

Read the full article: BNN Breaking


Cherry Times - All rights reserved

What to read next

Using biostimulants to delay the flowering date

Tech management

20 Mar 2024

In Chile researcher studied the effect of foliar application of the biostimulant Retard Cherry® before leaf fall in cv. Regina and Sweetheart. The use of Retard Cherry® resulted in a 6-8 day delay of full flowering. However, the harvest date remained unchanged.

PMGC the new Chilean cherry breeding project

Varieties

19 May 2023

For Macfrut 2023 it was an honour to host Prof. Marlene Ayala of the Catholic University of Chile, the head of the main genetic improvement project for cherries started in 2010 in Chile..

In evidenza

With a price of €80 per kilo, selling the first cherries remains a challenge

Markets

10 Apr 2026

The first Spanish greenhouse cherries reach the European market with very limited volumes and prices up to €80/kg. Strong demand from the Netherlands, Scandinavia and the UK, while the open-field season may start later than usual, impacting exports.

Chilling requirements and climate change: challenges, implications, and future perspectives for sweet cherry

Tech management

10 Apr 2026

A study on 22 sweet cherry cultivars in Zaragoza examines how warmer winters affect dormancy and flowering. Declining winter chill alters phenology and threatens yield, varietal adaptation and long-term sustainability in Mediterranean growing regions.

Tag Popolari