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Article

Introgression of QTL hotspot regions enhances grain yield and maize lethal necrosis resistance in elite maize lines.

Scientific reports - 21 May 2026

Ogugo Veronica, Chaikam Vijay, Olsen Michael S, Beyene Yoseph, Suresh L M, Herselman Liezel, Jumbo MacDonald Bright, Boddupalli Prasanna M, Gowda Manje

Abstract excerpt

Maize lethal necrosis (MLN) poses a severe threat to maize production in eastern and southern Africa, causing significant yield losses. In this study, marker-assisted backcross introgression (MABI) was used to introgress major-effect MLN resistance Quantitative Trait Loci (QTL). These QTLs located on chromosomes 3 and 6, were introgressed into 14 MLN-susceptible CIMMYT maize lines. Ten Kompetitive Alelle Specific...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Source

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Identifiers

PMID: 42168325
DOI: 10.1038/s41598-026-53717-8
PMCID: PMC13396450

Genes

MLN

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026.

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