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根据宁夏吴忠市玉米大斑病的发生情况，对危害症状、病原菌、发生情况、侵染来源、流行条件、防治措施等作了记述和初步研究。
According to the occurrence of maize leaf spot in Wuzhong, Ningxia, the description and preliminary study on the symptoms, pathogens, occurrence, sources of infection, epidemic conditions, prevention and treatment measures were made.