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- Title
Toxicity of Conventional Insecticides against Southern Green Stink Bug, Nezara viridula L. in Greengram, Vigna radiata L.
- Authors
Kiruthiga, G.; Durairaj, C.
- Abstract
Southern green stink bug, Nezara viridula has slowly gained importance as a major pest in greengram. Conventional insecticides used in pulses ecosystem were tested against N. viridula under laboratory and field conditions. Under in vitro condition, out of three methods of insecticidal applications, the adult dip and feeding method was found to be more effective. At 1 Hour After Treatment (HAT), triazophos 40 EC (1.5 mL.L-1) and dimethoate 30 EC (2.0 mL.L-1) were highly effective against the adults of N. viridula with earliest (100%) mortality than other treatments. Under the field condition also, triazophos 40 EC (1.5 mL.L-1) and dimethoate 30 EC (2.0 mL.L-1) had 100 per cent population reduction over control and were found to be more effective than other insecticides viz., chlorantraniliprole, thiamethoxam, neemazal and imidacloprid. Results of toxicity tests concluded that triazophos 40 EC @ 1.5 mL.L-1 and dimethoate 30 EC @ 2.0 mL.L-1 were highly effective against the adults of N. viridula with high mortality than other treatments under both laboratory and field conditions.
- Subjects
STINKBUGS; TOXICOLOGY of insecticides; NEZARA viridula
- Publication
Madras Agricultural Journal, 2018, Vol 105, Issue 4-6, p191
- ISSN
0024-9602
- Publication type
Article
- DOI
10.29321/maj.2018.000128