Sunflower Rust: Puccinia helianthi
Symptom:
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It is more prominent in the rabi season and in the Kharif season, the appearance is usually late.
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This disease in conjunction with Alternaria blight of leaves may cause yield loss up to 40 per cent.
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Uredo pustules appear first on the lower leaves. Uredo pustules appear on the younger leaves and later spread over the entire vegetative surface covering stems, petioles, floral bracts and petals.
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Uredia often coalesces to cover large areas on the affected plant parts.
Management:
- Spray Mancozeb 1000 g/ha
Source-
- TamilNadu Agritech Portal
