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November 1, 2025Crop ScienceOpen Access

Resistance to Gibberella ear rot in maize: Insights from near‐isogenic line populations

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Authors

SLSarah LippsAKAida Z. KebedeMBMartin Bohn

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Overview

This study identifies quantitative trait locus on chromosomes 4 and 9 linked to Gibberella ear rot resistance in maize.

Key Points

  • To investigate the genetic basis of resistance to Gibberella ear rot in maize using near-isogenic line populations.
  • Evaluated three NIL populations for resistance to GER across multiple environments.
  • Used kernel injection and silk channel injection to assess genotype response to F. graminearum.
  • Performed quantitative trait locus mapping to identify associated markers in the NC344 × H100 population.
  • Identified QTL on chromosomes 4 and 9 linked to resistance to GER.
  • Highlighted a significant region on chromosome 5 for potential alleles related to GER resistance.
  • Detected lines with increased susceptibility compared to recurrent parents.

Cite This Study

Lipps et al. (2025) studied this question.

synapsesocial.com/papers/6925435ec0ce034ddc357fe9https://doi.org/10.1002/csc2.70187
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Insights into the genetic and biochemical basis of Gibberella ear rot resistance in maize2025
  2. 2Bulked Segregant Analysis Revealed the Common Resistant QTLs Associated with Fusarium Ear Rot and Gibberella Ear Rot in Maize2026 · 1 citations
  3. 3Quantitative Trait Loci Analysis of Maize Husk Characteristics Associated with Gibberella Ear Rot Resistance2024
  4. 4Integrated analysis of transcriptomics and defense-related phytohormones to discover hub genes conferring maize Gibberella ear rot caused by Fusarium graminearum2024
  5. 5Integrated analysis of transcriptomics and defense-related phytohormones to discover hub genes conferring maize Gibberella ear rot caused by Fusarium Graminearum2024 · 5 citations