Identification Symptoms
- Small, irregular necrotic patches appear on leaf lamina, more near to the mid
rib.
- Twisting
of the leaves, lamina and petiole seen. Plants generally exhibit mosaic,
mottling and necrosis of tissues of leaf lamina, Stunting of the plants.
- Sudden necrosis, twisting and systemic infection of floral parts like calyx, bracts and capitulum.
- Black or brown streaks on petiole, stem, underneath of flower head