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Sorghum planting: what is sorghum bacterial red streak?

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, What is sorghum bacterial red streak? Please introduce the main damage to leaves caused by bacterial red streak of red sorghum. At first, the leaf spot showed a small, narrow, watery spot, and after expansion, it became light reddish brown. Some plaques turn brown in the center and red on the edges, and wide long oval spots appear intermittently on the stripes. Sometimes the plaque can be covered.

What is sorghum bacterial red streak disease? Please give an introduction Red sorghum bacterial red streak mainly damages leaves. The leaf spots were narrow and thin spots like water stains at the beginning, and became light reddish brown after expansion. Some spots become brown in the center, red edge, intermittent in the stripes appear wide long oval spots. Sometimes the lesions can cover most of the leaf area. When humidity is high, small granular bacterial seedlings can be seen to overflow pus, which becomes scale-like thin layer after drying. Distribution in Hebei, Henan, Shandong, Jiangsu, Hubei and other provinces. The suitable growth temperature of bacterial red streak disease of red sorghum is 28 - 30℃, the highest is 36 - 37℃, and the lowest is about 4℃. Death at 51℃ for 1o minutes. Besides sorghum, the fungus can also harm millet. Control methods: (1)Choose disease-resistant varieties. (2)Strengthen field management to prevent disease. Click for more sorghum cultivation technology Click for more grain cultivation technology

 
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