Table

Diseases of major Crops

Name of the crop Disease Pathogen Symptoms
Rice (paddy) Blast Fungus, pyricularis oryzae Brown boat-shaped lesions (spots) appear on the margins of leaves.
Wheat Rust Fungus, Puccinia graminis Yellow, brown or black elongated spots appear on leaves and straws.
Sugarcane Red rot Fungus Collectortrichum falcatum Small red spots on leaf midrib appear. The pith of sugarcane look red.
Grassy shoot Fungus Production of many thin tillers from the base.
Groundnut Tikka Fungus, Cercospora personata Light brown oval-shaped lesions appear on leaflets, petioles and stems.
Mustard White rust Fungus White or cream yellow scattered pustules appear on the lower surface of leaves.
Downy mildew Fungus Yellow irregular spots appear on leaves. In severe infection, the inflorescence is malformed, twisted and covered with white powder.
Chick pea Wilt Fungus The leaves become yellow and dry up. Roots turn black and decompose.
Pigeon Stem rot Fungus Development of brown to dark brown lesions on the stem near soil surface. These lesions girdle the stem and plant dies.
Related Topicसंबंधित विषय