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Alleles on Locus Chromosome 4B from Different Parents Confer Tiller Number and the Yield-associated Traits in Wheat

Overview
Journal BMC Plant Biol
Publisher Biomed Central
Specialty Biology
Date 2024 May 24
PMID 38789943
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Abstract

Pleiotropy is frequently detected in agronomic traits of wheat (Triticum aestivum). A locus on chromosome 4B, QTn/Ptn/Sl/Sns/Al/Tgw/Gl/Gw.caas-4B, proved to show pleiotropic effects on tiller, spike, and grain traits using a recombinant inbred line (RIL) population of Qingxinmai × 041133. The allele from Qingxinmai increased tiller numbers, and the allele from line 041133 produced better performances of spike traits and grain traits. Another 52 QTL for the eight traits investigated were detected on 18 chromosomes, except for chromosomes 5D, 6D, and 7B. Several genes in the genomic interval of the locus on chromosome 4B were differentially expressed in crown and inflorescence samples between Qingxinmai and line 041133. The development of the KASP marker specific for the locus on chromosome 4B is useful for molecular marker-assisted selection in wheat breeding.

Citing Articles

Mapping QTLs for adult-plant resistance to powdery mildew and stripe rust using a recombinant inbred line population derived from cross Qingxinmai × 041133.

Li Y, Hu J, Lin H, Qiu D, Qu Y, Du J Front Plant Sci. 2024; 15:1397274.

PMID: 38779062 PMC: 11109386. DOI: 10.3389/fpls.2024.1397274.

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