Agricultural crops :: Pulses :: Blackgram
Yellow Mosaic: Mungbean Yellow Mosaic Virus
| Field diagnostic symptoms |
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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
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Single-stranded circular DNA virus (geminivirus), genus Begomovirus
Survival and mode of spread
- Survival: Weed hosts and other legume crops
- Spread: Wind-borne viruliferous white fly, Bemisia tabaci
Favourable conditions
- Summer sown crops
- Weed hosts viz., Croton sparsiflorus, Acalypha indica, Eclipta alba and Cosmos pinnatus and legume hosts
Integrated disease management
- Seed soaking with borax @ 2g/kg +10% nochi leaf extract @ 300 ml/kg for 30 minutes followed by seed treatment with imidacloprid 600 FS @ 5 ml / kg of seed
- Soil application of Bacillus subtilis @ 2.5 kg/ ha with 250 kgs of farm yard manure
- Border row planting of maize (2 rows)
- Rogue out virus infected plants upto 25 DAS
- Installing yellow sticky traps @ 5 Nos. / acre
- Foliar spray of borax @ 0.1% and nochi leaf extract 10% at 30 DAS
- Need based spraying of acetamiprid 20 SP @ 250g / ha
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