The deadly disease of groundnut is

🔑 Key Points
Tikka:
→ It is a major disease affecting groundnut (and all its varieties) in India.
→ The infection initially originates with the fungus getting carried on plant debris or through the seed.
→ All parts of the host plant above soil level are attacked.
→ The first visible symptoms appear on the leaflets of lower leaves as dark spots, which at a later stage are surrounded by yellow rings.

📝 Additional Information:
Powdery Mildew:
→ It is a fungal disease.
→ It affects a wide variety of plants.
→ It appears as light grey or white powdery spots, usually found on infected leaves, but can also be found underneath, or on stems, flowers, fruit, or vegetables.
→ It thrives in warm, dry climates.

Damping-off:
→ It is a soil-borne fungal disease that affects seeds and new seedlings.
→ It refers to the rotting of stem and root tissues at and below the soil surface.
→ It can be reduced by planting fungicide-treated seed directly into the garden.