Symptom It infects the plants at two stages. At seedling stage, it infection results in the death of plants with decaying of roots. At flowering stage, the affected plants exhibits, yellowing and drooping of leaves followed by death of plants. The affected pla

Symptom The earliest symptoms appear on youngest leaves as chlorosis around some lateral veins and its branches near the margin. The leaves show curling of margin downwards. Some of the leaves show twisting. The veins show reddish brown discolouration on the u

Symptom Spots produced are small, numerous in number with pale brown centre and reddish brown margin. Similar spots also occur on branches and pods. Under favourable environmental conditions, severe leaf spotting and defoliation occurs at the time of flowering

Chlorosis, crinkling and curling of leaves hortened petioles and internodes. Stunted plant with dark green leaves. Delayed flowering with malformed flower buds. Survival: Seed-borne Spread: Sap and insect vectors - Bemesia tabaci, Aphis craccivora and A. gossy

Field diagnostic symptoms Yellow patches or spots on leaves and pods Infected plant produce small and distorted pods Early infection causes death of the plant before seed set Causal agent Mungbean yellow mosaic virus Single-stranded circular DNA virus (geminiv

Numerous spots with pale brown centre and reddish brown margin on leaves, branches and pods Defoliation during flower and pod formation Uredospores - globose or ellipsoid, single celled, yellowish brown with echinulations Teliospores - unicellular, globose or

Yellowing, drooping of leaves and death of plants Dark brown lesions on stem and bark shows shredding symptom. Easily pulled out leaving dried, rotten root portions in the ground Black minute sclerotia on rotten stem and root tissues Mycelium - septate, dark b

Field diagnostic symptoms Powdery spots/patches on leaves, petiole, stem and pods Diseased leaves turn black and finally shed Malformed pods with few ill filled seeds Fungus: Oidium type and ectophytic Condiophores - simple, erect, bear chained conidia Conidia

Numerous spots with pale brown/grey centre and reddish/dark brown margin on leaves, branches and pods. Defoliation during flower and pod formation. Severe infection leads to premature senescence Condiophores - long, multi septate, straight or slightly curved,

Colletotrichum lindemuthianum Field diagnostic symptoms Circular, black, sunken spots with dark center and bright red orange margins on leaves and pods. Severe infections spread entire leaf gives blighted appearance Affected parts wither off. Causal organism C

Symptom The fungus attacks all aerial parts and at any stage of plant growth. Symptoms are circular, black, sunken spots with dark center and bright red orange margins on leaves and pods. In severe infections, the affected parts wither off. Seedlings get bligh