The varieties Co 29. Co 36, Co 38 and 4611 are less susceptible to brown plant- hopper while R4.14. Bhavani. IR 20, IR 22. CR 12-178. Malo, Jayanthi. Cul. 658. CR 44-118-11, CR 44-121-1. RP 20-14. AP 502-36. TR 18, Cul. 21939, RP 176-6. CR 140-62. T(NJ1. DGWG. M 40. Co 33-9. IR 3. and Co 39 are susceptible. The planthopper population is high in October which coincided with the post-flowering stane of the crop.
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