Agricultural crops :: Pulses :: Greengram
Powdery Mildew: Erysiphe polygoni
| Symptom |
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Initially mild scattered yellow spots appear on young leaves. Spots gradually increase in size and ultimately some leaves turn completely yellow.
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Infected leaves also show necrotic symptoms.
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Diseased plants are stunted, mature late and produce very few flowers and pods.
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Pods of infected plants are reduced in size and turn yellow in colour.
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The disease is transmitted by the whitefly, Bemisia tabaci.
Management
- Spray NSKE 5% or Neem oil 3% twice at 10 days interval from initial disease appearance.
- Spray Eucalyptus leaf extract 10% at initiation of the disease and 10 days later.
- Spray Carbendazim 500 g or wettable sulphur 1500 g/ha
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