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Local name: Bhura mahu
Nature of Damage of BPH and WBPH :
1. Nymphs and adults damage the plants by sucking the sap and by plugging xylem and phloem with their feeding.
2. Sheath and pieces of tissues are pushed into these vessels during exploratory feeding and affects early stage of plant growth, reduces height and general vigour.
3. As a result the infested plant turns yellow and dies.
4. At later stages, crop dies and the patches are called "hopper burn". BPH also transmits "grassy stunt virus".
Management of WBPH
Seedling stage: 33 kg Carbofuron 3G/ 10 kg phorate 10G.
Tillering stage: 75 ml Emidicloprid/ 600 ml fipronil 5%.
Management of BPH
Tillering stage: 900 g Carboryl 50% / 850 ml monocrotophos 36%.
Booting stage: 1100 ml monocrotophos 36%/ 100 ml Emidicloprid 20%.
Panicle initiation stage: 1500 ml monocrotophos 36%/ 125 ml Emidicloprid.