Plant parts affected

Leaves,Stem,Inflorescence

Initial diagnosis:

Initially localised isolated white pustules or blisters are formed on lower side of leaves, later pustules coalesce to form patches on both side of the leaves.

Symptoms:

Local infection appears as pustules or "blisters" filled with sporangia on leaves, smaller stems, and floral parts. Swelling of stem Inflorescences often becomes twisted giving a zig-zag appearance “stagheads”.

Damage type:

Abnormal growth, distortion, and sterility of flowers or inflorescences.