Pruned blight of cotton leaf

The Control Measures of Stem Blight of Cotton Red Leaves:

1. Appropriate top-dressing and skillful application of cotton top dressing should be performed with nitrogen, phosphorus and potassium in combination with foliar dressing.

2. Strengthen field management, diligent cultivation, improve root respiratory conditions, promote root development, pruning in time, picking old leaves, and preventing pests and diseases.

3, spray protection, with 70% mancozeb or 75% chlorothalonil 600-800 times or 70% thiophanate-methyl 800-1000 times plus foliar fertilizer (potassium dihydrogen phosphate, green source, etc. Spray, 5-7 days, spray 2-3 times.

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