本文重点讨论了目前国内外对玉米茎腐病（青枯病）致病菌的类群、地区优势菌种及所争论的问题焦点。提出了不同致病菌间存在病菌演替和地区生态种群。并讨论了玉米品系的抗病遗传问题，玉米抗性属核基因遗传，不受细胞质基因控制，为多基因数量抗性，以加性效应为主，也存在上位性和显性或部分显性效应。 This article focuses on the current domestic and international corn stalk rot (bacterial wilt) pathogenic bacteria groups, the dominant species and the issues in question. Proposed the existence of pathogenic bacteria between different succession and regional ecological population. The resistance to maize lines was also discussed. Maize resistance is inherited from nuclear genes and is not controlled by cytoplasmic genes. It is quantitatively resistant to polygenes and is mainly additive. It also has epistasis and dominant or partial dominance effect.