UK: Integrating non-additive GWAS with historical dissemination to illuminate nut traits and blooming time in almonds

Almond Kernel

United Kingdom

Innovation & Technology

Published Mar 8, 2024

Tridge summary

A recent study in Horticulture Research has provided new insights into the genetic diversity and global dissemination history of almonds. The research used various methods to study the genotypes and phenotypes of 243 almond accessions, identifying 13 independent QTLs for various traits. These findings could be crucial for understanding genotype-phenotype interactions in almonds and other Prunus species, and provide valuable information for breeding and conservation strategies.

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Original content

Modern breeding focuses on genetic analyses and germplasm management and dominates in altering crop genomes, but often neglects non-additive genetic effects that are essential for understanding traits. Almond [Prunus dulcis Miller (D.A. Webb)] has significant economic and genetic research value, but current studies face limitations, including a narrow focus on additive models and limited germplasm diversity.Expanding research to include a wider range of germplasms and non-additive effects could uncover deeper insights into almond domestication and genetic diversity, revealing important alleles and QTLs developed over thousands of years.Horticulture Research published research titled "Almond population genomics and non-additive GWAS reveal new insights into almond dissemination history and candidate genes for nut traits and blooming time."This study utilized a comprehensive approach combining population structure analysis, additive kinship, phylogenetic tree construction, and ...

Source: Phys