Key message Novel large-effect consistent QTL for anther extrusion (AE) to improve cross-pollination were mapped in doubled haploid populations derived from IPK gene bank spring wheat accessions. TaAP2-D, an ortholog of Cleistogamy1 in barley, is a likely candidate gene for AE in wheat. Abstract To establish a robust hybrid wheat breeding system, male lines harboring alleles that promote outcrossing...
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