Browning of the margins of the lower leaves spreads both inwards across the leaf surface and upwards on the plant (cv. Hurricane).

• 菊花缺钾:叶缘黄化或棕褐色；但取决于缺钾程度；植株生长不一定受到影响.；下部叶片叶缘褐色斑块向内扩散到整个叶片表面及向上扩展整个植株