Research Progress on Southern Corn Rust

Southern corn rust,caused by Puccinia polysora Unedrw.,is an important maize disease in corn producing areas.The disease results in reducing the yield and grain quality by damaging the corn leaves,stalks,bract and tassel organization.This paper aimed to review the research progresses for southern corn rust worldwide on occurrence and damage analysis,symptom observation and pathogenic characteristics,genetic analysis of the resistance genus,comprehansive prevention,as well as to discuss further research in resolving of the disease.