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松针褐斑病的病原菌为Lecunostictaacicola,在病叶上或落叶上的病菌子实体和病组织中的菌丝体是初侵染源。任杂期主要在5月上旬至6月中旬。病原菌通过雨水的溅散以及风力而传播。在发病初期采用百菌清可湿性粉剂和托布津农药喷液及人工摘除病叶进行防治，均能收到一定效果。
The pathogen of pine needle brown spot is Lecunostictaacicola, and the mycelium in pathogenic or diseased leaves and on diseased leaves is the primary source of infection. Indulgence period mainly in early May to mid-June. Pathogenic bacteria spread through the splash of rainwater and the wind. In the early stages of the disease with chlorothalonil WP and Topaz pesticide spray and artificial removal of sick leaves for prevention and treatment, can receive some results.