Ramularia Blight: Ramularia foeniculi

Symptoms

• At the beginning of this disease small ashy spots are observed on the leaves.
• These spots get enlarged and turn into brown colour. In case of severe attack whole plant turns to brown colour, resulting in drying up of plant.

Management

• At the initial stage spraying of 0.25 % solution of Dithane-M-45 is effective to control this disease.
• Add 1 ml soap solution / liter of water for better efficacy.
• Subsequently, 2-3 sprayings should be done at an interval of 10 to 15 days on need basis.

Image source:

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