Varietal Susceptibility to the Brown Planthopper Nilaparvata lugens (Stal) in Rice

B. VELUSAMY; I. P. JANAKI; S. JAYARAJ; J. CHANDRAMOHAN and V. PERUMALSAMY

doi:https://doi.org/10.29321/MAJ.10.A03169

Madras Agricultural Journal

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Varietal Susceptibility to the Brown Planthopper Nilaparvata lugens (Stal) in Rice

Author: B. VELUSAMY, I. P. JANAKI, S. JAYARAJ, J. CHANDRAMOHAN and V. PERUMALSAMY,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 64, Issue: mar-mar,

DOI:https://doi.org/10.29321/MAJ.10.A03169

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Abstract

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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