烟草是我国重要的经济作物,烟草病害已成为制约烟草生产的重要因素。烟草弯孢炭疽病是本实验室在山东莒县发现的一种烟草病害,主要危害烟草叶片,病斑圆形至椭圆形,多个病斑连接后成不规则形大斑,后干枯、脱落,造成叶片穿孔,严重时仅剩 Tobacco is an important cash crop in China. Tobacco diseases have become an important factor restricting tobacco production. Tobacco curl anthracnose is a tobacco disease found in our laboratory in Juxian County of Shandong Province. It mainly harms the leaves of tobacco plants. The disease spots are round or oval in shape, irregular spots are formed after the connection of multiple lesions, and they are dry and fall off , Resulting in perforation leaves, the only remaining serious