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Journal of Applied Genetics

, Volume 60, Issue 2, pp 147–150 | Cite as

New QTL for resistance to Puccinia polysora Underw in maize

  • Ce Deng
  • Huimin Li
  • Zhimin Li
  • Zhiqiang Tian
  • Jiafa Chen
  • Gengshen Chen
  • Xuecai Zhang
  • Junqiang DingEmail author
  • Yuxiao ChangEmail author
Plant Genetics • Short Communication

Abstract

Southern corn rust (SCR) is a prevalent foliar disease in maize. Deployment of resistant cultivars is an effective way to control SCR. In this study, resistance to SCR was evaluated in a BC1RIL population comprising 118 lines grown under three different field conditions. Combined with a genetic map constructed from 1635 SNP markers obtained from the maize 9.4 K SNP Affymetrix® Axiom® Genotyping Array, single quantitative trait loci (QTL) were mapped on chromosomes 4, 9, and 10, respectively. The QTL on chromosome 4 (qSCR4.08) and chromosome 9 (qSCR9.04) were stable across multiple environments, and each explained more than 10% of the phenotypic variation. The stable QTL detected could be desirable sources of SCR resistance in maize-breeding programs.

Keywords

Maize Southern corn rust QTL SNP marker 

Notes

Author contributions

YC and JD conducted the experiment. YC, JD, and CD analyzed data and prepared the manuscript.

CD, HL, ZL, ZT, JC, GC, and XZ provided help for the phenotypic collection and discussed the manuscript. All authors have read and approved the final manuscript.

Funding

This work was funded by a grant from the National Basic Research Program of China (2016YFD0101803), Henan Basic Research Program of China (161100110500), and the Shenzhen science and technology research funding (JSGG20160429104101251).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors.

Supplementary material

13353_2019_488_MOESM1_ESM.docx (844 kb)
ESM 1 (DOCX 843 kb)

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Copyright information

© Institute of Plant Genetics, Polish Academy of Sciences, Poznan 2019

Authors and Affiliations

  • Ce Deng
    • 1
  • Huimin Li
    • 1
  • Zhimin Li
    • 1
  • Zhiqiang Tian
    • 1
  • Jiafa Chen
    • 2
  • Gengshen Chen
    • 3
  • Xuecai Zhang
    • 4
  • Junqiang Ding
    • 1
    Email author
  • Yuxiao Chang
    • 5
    Email author
  1. 1.College of AgronomyHenan Agricultural UniversityZhengzhouChina
  2. 2.College of Life ScienceHenan Agricultural UniversityZhengzhouChina
  3. 3.National Key Laboratory of Crop Genetic ImprovementHuazhong Agricultural UniversityWuhanChina
  4. 4.International Maize and Wheat Improvement Center (CIMMYT)TexcocoMexico
  5. 5.Agricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhenChina

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