Disease
a) Late blight
- Caused by Phytophthora infestans
- Dark brown and black spots are formed on leaves, petioles and stems
- Small water soaked blotches are formed on fruit
Control
- Spray DM-45 @ 0.2% con.
- Follow crop rotation avoiding solanaceous crops
b) Fusarium wilt
- Caused by Fusarium sp.
- Lower leaves start yellowing, wilt and die
Control measures
- Grow resistant vars. Like Marglobe
- Follow up crop rotations to decrease the fungal population
- Use healthy seeds
Insects
- Fruit borer
- Nematodes
- Cutworm