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Vol. 12, Special Issue 12 (2023)

Evaluation of insecticide resistance to Helicoverpa armigera in pigeonpea growing area of Vidarbha

Author(s):
Pankaj B Salunke, SS Lande, Dr. GK Lande and AK Sadawarte
Abstract:
Present investigation was carried out at Toxicology laboratory, Department of Entomology, Dr. PDKV, Akola with a view to evaluate level of insecticide resistance in pigeonpea pod borer, Helicoverpa armigera (Hubner) to commonly used insecticides collected from major pigeonpea growing districts of Vidarbha viz., Akola, Amaravati, Buldhana, Yavatmal and Washim. Log Dose Probit indicates LC50 value of Cypermethrin in the range of 0.074 to 0.461 per cent with maximum in Yavatmal (0.461 per cent); LC90 value within range of 0.190 to 1.840 per cent. LC50 value of Quinalphos in the range of 0.018 to 0.071 per cent with maximum in Yavatmal (0.071 per cent); LC90 value within range of 0.058 to 0.128 per cent. LC50 value of Methomyl in the range of 0.026 to 0.083 per cent with maximum in Amaravati (0.083 per cent); LC90 value within range of 0.071 to 0.130 per cent. LC50 value of Indoxacarb in the range of 0.389 to 4.785 per cent with maximum in Yavatmal (4.785 per cent); LC90 value within range of 6.631 to 51.548 per cent. LC50 value of Spinosad in the range of 0.028 to 0.067 per cent with maximum in Amaravati (0.067 per cent); LC90 value within range of 0.058 to 0.123 per cent. From present findings, it could be concluded that resistance level is visible with high in Indoxacarb, moderate to Cypermethrin, quinalphos, methomyl and low to spinosad; Yavatmal and Washim strain showed higher resistance level to cypermethrin, quinalphos and indoxacarb; Amaravati and Yavatmal strain showed higher resistance level to methomyl and spinosad.
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How to cite this article:
Pankaj B Salunke, SS Lande, Dr. GK Lande and AK Sadawarte. Evaluation of insecticide resistance to Helicoverpa armigera in pigeonpea growing area of Vidarbha. The Pharma Innovation Journal. 2023; 12(12S): 622-627.
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