Question: Tikka disease is in ___________
Options:
Wheat
Rice
Groundnut
Pigeon pea
Tikka Disease:
→ It is also known as the leaf-spot disease.
Pathogens:
→ The disease is caused by 2 fungal pathogens:
Early leaf spot: Cercospora arachidicola
Late leaf spot: Phakopsora personata
Host:
→ Groundnut
📌 Important Points
Symptoms:
→ The disease occurs on all above-ground parts of the plant but more severely on the leaves as two distinct types of leaf spots.
Early Leaf Spot:
→ The early leaf spot is circular-irregular in outline with 1-10 mm in diameter.
→ The spot is reddish brown or dark brown and surrounded by a yellow halo from the very beginning on the upper surface of the leaves.
Late Leaf Spot:
→ It appears about 30 days later than the early leaf spot; however, the late leaf spots are more dangerous as spots are numerous and develop fast.
→ The spot is smaller, more circular, 1-6mm 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.