leaf injury spot rate叶伤斑率
leaf brown spot叶褐斑病
cotton leaf ascochyta spot棉叶斑病
lethal leaf-spot叶片坏死斑点;玉米的叶片坏死斑点
leaf yellow spot黄斑叶
leaf-spot type叶斑病类
leaf-spot斑病
grey leaf-spot灰斑病
leaf turcicum spot玉米大斑病
Maize Curvularia leaf spot was an important disease which happended in maize in the north of China in recent years.
玉米弯孢菌叶斑病是近几年在我国北方玉米上新发生的一种重要的病害，其危害已超过玉米大小斑病而成为玉米上的一种主要病害。
参考来源 - 玉米弯孢菌叶斑病初侵染源、发生动态和药剂防治的研究N（名词） any of various plant diseases, usually caused by fungi: characterized by dark lesions on the leaves 叶斑病