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Vol. 7, Issue 1 (2018)

Persistence toxicity of different insecticides against Helicoverpa armigera

Author(s):
SS Lande, YR Sable, KP Budhvat, PB Salunke and SR Pawar
Abstract:
The present investigation were conducted at Dr. PDKV, Akola Persistence of different treatments against Helicoverpa armigera. Twenty laboratory reared, initial third instar larvae per treatment were released in the plastic vials individually, where fresh Pigeonpea flowers/pod from the treated plots were kept. The food material after completion of spraying was offered to the insects. A check was set up by using flowers/pod from untreated control. The treated food was collected at an interval of 0 (one hour after spray), 1, 3, 5, 7, 10 and14 days after application and offered to the larvae subsequently for different seven sets of experiments. Correspondingly, larvae were feed with the same food material continuously for treatment. The mortality data was recorded after every 24 hours of exposure and the PT values were calculated. Amongst the different chemicals tested in laboratory against H. armigera, the treatment with flubendiamide 20 WDG proved most effective in recording highest (914.20) persistence toxicity followed by emamectin benzoate 5 SG, spinosad 45 SC, indoxacarb 15.8EC, HaNPV 500 LE+ silver nano particles, profenophos 50 EC, azadiractin 10000 ppm and deltametrin 1%+ trizophos 35% recording 723.10, 695.90, 636.50, 361.05, 332.71, 200.85 and 143.85 PT values, respectively.
Pages: 525-530  |  41 Views  23 Downloads


The Pharma Innovation Journal
How to cite this article:
SS Lande, YR Sable, KP Budhvat, PB Salunke, SR Pawar. Persistence toxicity of different insecticides against Helicoverpa armigera. Pharma Innovation 2018;7(1):525-530.

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