叶斑病是一种由真菌、细菌或病毒引起的植物疾病,由线虫、昆虫、环境以及除草剂引起的叶片病变也被称为叶斑病。叶片中会出现与本体颜色不同的斑点[1]。当植物处于长时间的潮湿和湿润的环境时会更有可能罹患叶斑病,叶斑病的病原体会通过风、雨水飞溅或灌溉传播到其他叶片上。[2]
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