PROBLEM TO BE SOLVED: To provide a method for highly accurately selecting a sugarcane plant line showing resistance to smut disease. A marker associated with sugarcane scab resistance comprising a nucleic acid region having a specific nucleotide sequence in a sugarcane chromosome. [Selection diagram] Figure 2【課題】黒穂病に対する抵抗性を示すサトウキビ属植物系統を高精度に選抜する方法の提供。【解決手段】サトウキビの染色体における特定の塩基配列を有する核酸領域からなる、サトウキビ黒穂病抵抗性関連マーカー。【選択図】図2