一、病害概况松针褐斑病是松树一种严重的叶部病害。根据Wolf等的报告,褐斑病的历史要追溯到十九世纪七十年代,病害曾被称为“红斑”、“锈病”、“叶锈病”。后来最常见的病名为“针叶褐斑病”或“褐斑病”,也有人称之为“褐斑叶疫病”,以示病害 First, the disease profile pine needle brown spot is a serious pine leaf disease. According to reports by Wolf et al., The history of brown spot dates back to the 1870s and the diseases have been referred to as “erythema”, “rust”, and “leaf rust.” Later, the most common disease name is “needle leaf brown spot disease” or “brown spot disease”, also known as “brown spot leaf blight” to show disease