Tikka Disease of Groundnut
Tikka Disease of Groundnut:- The groundnut leaf spots (early leaf spot and late leaf spot) commonly called as “Tikka” disease.
1. Early Leaf Spot of Groundnut:-
Pathogen:- Cercospora arachidicola
Symptoms:-
> Infection starts about a month after sowing.
> Small chlorotic spots appear on leaflets, with time they enlarge and turn brown to black and assume sub circular shape on upper leaf surface.
> On lower surface of leaves light brown colouration is seen.
> Lesions also appear on petioles, stems, stipules.
> In severe cases several lesions coalesce and result in premature senescence.