Alternaria leaf blight of Sunflower
Symptom
The disease is caused by Alternaria helianthi. The brownish-black, usually interveinal spots occur on the leaves and stem, developing faster on the former, and coalescing to form large black, necrotic areas. Plants can be attacked at any grow stage, but in the field major infestation usually occur in more mature plants. In very severe attacks the leaves wither and die, stems fracture and seed heads rot.
Recommended Products
Mega Hexa
Shwe Nobel
Shwe Myzine
Other Oilseed crop
Pepper spot and Scorch
Stem and Root Rot or Charcoal Rot
Bacterial leaf spot of Sesame
Sesamum Phyllody
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