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Nature of damage for Brown planthopper (Tudtuda)

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1. The nymphs and adults suck sap from the basal portions of the plants, insert eggs into, leaf sheath or mid ribs and inject some toxins.

2. Cumulative effect of all these results in premature yellowing of leaves leading to dying. Later the plant dies.

3. Drying of plants occurs in isolated circular patches which coalesce and the entire the field dries up causing hopper burn.

4. Excuvia and sooty mold growing on honey dew excreted by the insect are seen at the base of the plant. Affected stem become soft and unfit for straw.

File Courtesy: 
RARS, Karjat
Photo Courtesy: 
Mr. Y. Kondal Rao (DRR)
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