一、症状石榴早期落叶病主要为害叶片，叶先端、叶缘至叶柄各部都能发病。受害叶在侧脉之间形成坏地性病斑。汗始是失绿黄点．逐渐扩人成近圆形成多角形，由浅变深，山红褐色变为褐色．轮廓清晰，边缘色较深，病斑周围叶绿素沉着区形成绿环，黄叶片上绿环明显，遇雨水病斑中间 First, the symptoms Pomegranate early deciduous disease is the main damage leaves, leaf apex, leaf margin to petiole ministries can attack. Injured leaves in the lateral veins to form a bad sex spot. Khan is green yellow point. Gradually expand into nearly a circle into a polygon, from shallow to dark, reddish brown into brown. Clear outline, deep edge color, the chlorophyll around the lesion forms a green ring, the green leaves on the obvious yellow,