ABSTRACT
Tomato is one of the most important multipurpose vegetables around the globe. Amongst the major diseases of tomato, septoria leaf spot (SLS) is one of the most devastating foliar diseases caused by Septoria lycopersici Speg. Characterized by multicellular hyaline filiform conidia and darkbrown pycnidia. The major source of inoculum are solanaceous weeds and tomato plant debris, from which conidia are dispersed mainly by 92rain or overhead irrigation. Various attempts have been made to control disease through chemical, biological, and molecular approaches, so that the disease can be managed and crop loss is prevented. The use of fungicide is efficient to control disease, but they may cause human health hazards and also increase environmental pollution. The use of resistance/tolerance tomato cultivar and species is good for managing SLS, but a high level of resistance is very rare. So, there is a need of development of a resistance-linked marker and induced systemic resistance (ISR) against SLS in tomatoes.
