Chuanyu 12 resistance appears to be controlled by a major gene while Saar, Tukuru and Chapio have Yr18 complemented with 2-3 other slow rusting genes.

• 携带主效基因控制抗性的品种Chuanyu 12在温室成株期表现中度感病，但在田间表现抗病，其抗性表现比较复杂。