Ginger anthracnose is also a fungal disease. It damages the leaves. Most of the spots appear from the tip or edge of the leaf. At first, they are water-stained brown small jade spots, and then expand downward and inward to oval or prismatic to amorphous brown spots. , Moiré moire is obvious or not obvious. Several diseased spots were combined into plaques, and the leaves turned brown and withered. Mottled surface shows small black spots when wet.

The prevention method is:

⑴ Agricultural measures: Avoid continuous cropping and partial application of nitrogen fertilizers, pay attention to increasing the application of phosphorus and potassium fertilizers and decomposed organic fertilizers, and thoroughly remove diseased residues when harvesting ginger.

⑵Pharmaceutical control: In the early stage of the disease, spray 50% compound thiophanate wettable powder 1000 times, or 80% anthrax thiram wettable powder 800 times, once every 10-15 days, 2-3 times in a row.