Scientific Name - Nilaparvata lugens
Occurrence Stage - Vegetative Stage
Nature of Damage - Attack the whole plant and damage by sucking the plant sap from the leaves and stem.
Damage Symptoms
Uneven yellow and green patches on the plant
Yellowing of older leaves from the leaf tip to the midrib
Drying or burnt of leaves called Hopper Burn
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Source: IRRI |
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Figure 6 Adults Rice Brown Planthoppers |
Figure 7 Brown Hoppers in Rice Field |
Figure 8 Hopper Burnt Symptoms |
Best Control Measures
Avoid to cultivate more than 2 crops per year
Cultivate early maturing varieties
Split application of Nitrogen fertilizer
Drain the water for 3-4 days if there is a high density of hoppers in the field
Release natural enemies like predators and parasitoids to the field
Reduce chemicals usage to increase existing numbers of natural enemies in the field
IR 26, IR 64, IR 36, IR 56, IR 72, IR 74 varieties are resistant to brown plant hopper
Chemical Control
Apply systemic pesticides
Use contact pesticides only if needed
Chlopyriphos/ Carbosulfan/ Asitarmiprit/ Cartat
