- The disease begins at the edges of old leaves. Initially, small, oval spots which later become purple-brown and the edges of these spots are yellow.
- When the spots start to grow, then the yellow edges spread upwards and form wounds on the bottom.
- The stems of leaves and flowers wither and the plant dries up.
- 2-3-years crop cycle should be adopted with other non-tuber crops.
- To prevent this disease, spraying Kitazin 48 EC 80 ml or Chlorothalonil 75 WP 300 g or Carbendazim 12 + Mancozeb 63 WP 500 g @ 200 ml/acre with 200 liters of water is sprayed.
Gramophone
