花生焦斑病又叫叶焦病、斑枯病。一般自花生初花期开始发病,下部叶片先发病,后向中上部蔓延。结荚中后期危害加重。主要危害叶片,也危害叶柄、茎、果柄和荚果。一、田间病害识别叶片上的病斑多发生在叶尖或叶缘,也可发生在叶片内部。叶尖叶缘 Peanut Focal spot disease also known as leaf scorch, spot blight. Beginning from the first flowering peanut onset, the lower part of the first onset of disease, after the spread to the upper. Pods in the late increased harm. The main damage to leaves, but also endanger petioles, stems, stalks and pods. First, the identification of field disease lesions on the leaves occur more in the tip or leaf margin, can also occur inside the leaves. Tip leaf margin