EFFECT OF NEEM OIL ON RICE TUNGRO VIRUS INFECTION IN RICE VARIETIES WITH DIFFERENT LEVELS OF RESISTANCE

K. ERAIVAN ARUTKANI AIYANATHAN AND P. NARAYANASAMY

doi:https://doi.org/10.29321/MAJ.10.A02119

Madras Agricultural Journal

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EFFECT OF NEEM OIL ON RICE TUNGRO VIRUS INFECTION IN RICE VARIETIES WITH DIFFERENT LEVELS OF RESISTANCE

Author: K. ERAIVAN ARUTKANI AIYANATHAN AND P. NARAYANASAMY,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 75, Issue: jul-aug,

DOI:https://doi.org/10.29321/MAJ.10.A02119

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Abstract

The effect of neem oil application on rice tungro infection in susceptible (S). moderately resistant (MR) and resistant (R) varieties which were inoculated by using 1, 3 and 5 viruliferous Nephotettix virescens per plant was studied. Neem oil [5%] was applied as both pre-inoculation and post-inoculation sprays. The varieties used were ADT 31 [S]. ACM 9 [MRJ, IR 50 (MR) and TNAU 831520 (R).

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