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. |
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