Question: Tikka disease is in ___________
Options:
Wheat
Rice
Groundnut
Pigeon pea
→ Tikka disease, also known as leaf-spot disease, is caused by two fungal pathogens:
Early leaf spot: Cercopora arachidicola.
Late leaf spot: Phacoisariopsis personata.
→ The disease affects the groundnut plant.
📌 Important Points
→ Symptoms:
The disease occurs on all above-ground parts of the plant but more severely on the leaves, with two distinct types of leaf spots.
Early leaf spot:
Circular-irregular in outline, 1-10 mm in diameter.
The spot is reddish-brown or dark brown and surrounded by a yellow halo from the beginning on the upper surface of the leaves.
Late leaf spot:
Appears about 30 days later than the early leaf spot.
The spots are smaller, circular, 1-6 mm in diameter, dark brown to black, and present only on the lower surface of the leaves.
Spots are not surrounded by a yellow halo in the early stage.