Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
Review
. 2024 Dec 20;25(24):13644.
doi: 10.3390/ijms252413644.

Advances in Research on Southern Corn Rust, a Devasting Fungal Disease

Yanyong Cao  1 , Zeqiang Cheng  1 , Juan Ma  1 , Wenbo Yang  1 , Xueman Liu  2 , Xuan Zhang  2 , Jinghua Zhang  2 , Xiaolin Wu  2 , Canxing Duan  3
Affiliations
Review

Advances in Research on Southern Corn Rust, a Devasting Fungal Disease

Yanyong Cao et al. Int J Mol Sci. .

Abstract

Southern corn rust (SCR), caused by the obligate biotrophic fungus Puccinia polysora Underw., represents one of the most devastating threats to maize production, potentially resulting in yield losses exceeding 50%. Due to global climate change and cropping practices, epiphytotics of SCR have been increasingly reported, and are progressively spreading from tropical and subtropical maize growing areas to higher latitude areas. Over the past decade, researchers worldwide have undertaken extensive investigations into SCR, encompassing its occurrence and transmission pathways, the causative pathogen, the identification of resistant/tolerant germplasms along with associated genes/QTL, as well as potential control strategies. Nevertheless, information pertaining to this disease remains fragmented; thus far, standardized preventive and control measures have yet to be established. In response to this situation, this review seeks to comprehensively synthesize research findings on SCR while providing valuable insights into its occurrence, prevention, and control strategies aimed at mitigating the adverse impact and losses caused by SCR on global maize production.

Keywords: Puccinia polysora; prevention and control strategies; resistant genes/QTL; resistant germplasm resources; southern corn rust (SCR).

PubMed Disclaimer

Conflict of interest statement

The authors declare no conflicts of interest.

References

    1. Grote U., Fasse A., Nguyen T.T., Erenstein O. Food security and the dynamics of wheat and maize value chains in Africa and Asia. Front. Sustain. Food Syst. 2021;4:617009. doi: 10.3389/fsufs.2020.617009. - DOI
    1. Erenstein O., Jaleta M., Sonder K., Mottaleb K., Prasanna B.M. Global maize production, consumption and trade: Trends and R&D implications. Food Secur. 2022;14:1295–1319. doi: 10.1007/s12571-022-01288-7. - DOI
    1. Dolezal W., Tiwari K., Kemerait R., Kichler J., Sapp P., Pataky J. An unusual occurrence of southern rust, caused by Rpp9-virulent Puccinia polysora, on corn in southwestern Georgia. Plant Dis. 2009;93:676. doi: 10.1094/PDIS-93-6-0676A. - DOI - PubMed
    1. Mueller D., Wise K.A., Sisson A.J., Allen T.W., Bergstrom G.C., Bissonnette K.M., Bradley C.A., Byamukama E., Chilvers M.I., Collins A.A., et al. Corn yield loss estimates due to diseases in the United States and Ontario, Canada from 2012 to 2015. Plant Health Prog. 2016;17:211–222. doi: 10.1094/PHP-RS-16-0030. - DOI
    1. Mueller D.S., Wise K.A., Sisson A.J., Allen T.W., Bergstrom G.C., Bissonnette K.M., Bradley C.A., Byamukama E., Chilvers M.I., Collins A.A., et al. Corn yield loss estimates due to diseases in the United States and Ontario, Canada, from 2016 to 2019. Plant Health Prog. 2020;21:238–247. doi: 10.1094/PHP-05-20-0038-RS. - DOI

MeSH terms

LinkOut - more resources