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玉米褐斑病是近年来在我国发生严重且发展较快的一种玉米病害。该病病原菌为鞭毛菌亚门的节壶菌属玉米褐斑病菌(Physoderma maydis Miyabe),是玉米上的一种专性寄生菌,寄生在薄壁细胞内。
Corn leaf spot is a serious maize disease developed rapidly in our country in recent years. The pathogen is Actinomyces macrophylla (Physoderma maydis Miyabe), a specialized parasite on corn, parasitized in parenchymal cells.