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香蕉煤纹病又称暗褐斑病、暗斑病或小窦氏霉叶斑病,是影响香蕉生产的主要叶斑病害之一,广泛分布于我国广东、广西、海南和台湾等华南蕉区。发病原因:引发香蕉煤纹病的病原为半知菌亚门真菌的簇生长蠕孢菌(图1),直立的褐色、有分隔分生孢子梗单生或2~4根丛生,从寄主气孔或坏死细胞间长出,橄榄色的分生孢子在生长期一般有3~12个横膜,中部较膨大,端部细胞渐小,成熟时则有5~8个细胞。
Banana coal seam disease, also known as dark brown spot, dark spot disease or sinus fungus leaf spot, is one of the main leaf spot diseases affecting banana production, widely distributed in southern China, Guangdong, Guangxi, Hainan and Taiwan Banana . The cause of the disease: The pathogen causing banana coal seam disease is a cluster of Helicobacter pylori (Fig. 1) of the semiegotactic fungus, which is erect brown, with single conidiophores divide or 2 or 4 clumps from the host stomata Or necrotic cells grow, olive conidia in the growing season generally have 3 to 12 horizontal membrane, the central swelling, the end of the cell gradually smaller, when mature, there are 5 to 8 cells.