• It is more prominent in the rabi season and in the kharif season the appearance is usually late.
• This disease in conjunction with Alternaria blight of leaves may cause yield loss up to 40 per cent.
• 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.
• Uredia often coalesce to cover large areas on the affected plant parts.

Management

• Spray Mancozeb 1000 g/ha