December 8, 2025The Plant JournalOpen Access

Functional analysis of a GWAS pleiotropic hotspot suggests an auxin biosynthesis gene ( AhPDS1 ), regulating pod development in peanut ( Arachis hypogaea L.)

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Discussion

Genetic factors influence pod size in Arachis hypogaea, suggesting molecular breeding could enhance productivity.

Arachis hypogaea exhibits phenotypic variation, with broad-sense heritability from 53.6 to 85.4%.
Strong correlations between pod and seed traits imply potential for co-selection. The AhPDS1 gene significantly regulates these traits.
Analysis included a genome-wide association study with 390 accessions from peanut growing regions.
Molecular breeding targeting AhPDS1 holds potential for improving pod and seed sizes sustainably.

Liu et al. (2025) studied this question.

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