Sorghum is an annual herb in the grass family. Culms are stout, erect, 3-5 meters tall, 2-5 cm in transverse diameter, with supporting roots at the basal nodes. Leaf sheaths glabrous or slightly white powdery; ligule stiffly membranous, apex rounded, margins ciliate. Leaf blade linear to linear-lanceolate, 40-70 cm long, 3-8 cm wide, apex acuminate. Warmth-loving, drought-resistant, flood-resistant.

By traits and uses can be divided into edible sorghum, sugar sorghum, broom sorghum and other categories. Cultivated more widely in China, to the northeast of the most. Edible sorghum grain for food, brewing. Sugar sorghum stalks can be made into syrup or raw food; broom sorghum spikes can be made into brooms or cooker brooms; young leaves dried silage, or sun-dried for fodder; caryopsis can be used as medicine, belonging to the cash crop.

Sorghum anthracnose prevention and control methods:

1, timely treatment of residues after harvest, composting and fermentation, high temperature sterilization.

2, deep turning of the land, the residual residues of disease in the soil into the depth of the soil layer, to reduce the source of primary infestation.

3, the implementation of more than three years of crop rotation, the application of fully rotted organic fertilizer.

4, timely fertilizer, to ensure that the late not out of fertilizer, to enhance the resistance to disease.

5, timely removal of old diseased leaves at the base of the plant.

6, strict seed treatment, prevention and control of seedling seed-borne anthracnose.

7, epidemic years or individual heavily diseased fields, from the pregnancy spike period to apply drugs, the agent can be available Weibao or Sanbao Chihua. Sorghum anthracnose is a bacterial disease, available methyltoluene for control.