Abstract
In present study, larval populations of , collected from different regions of Punjab i.e. Amritsar, Kapurthala, Malerkotla, L. orbonalis Ludhiana were exposed to different concentrations of emamectin benzoate at 15, 20, 25 and 30°C for evaluation of LC values. The LC50 50 decreased from lower (15°C) to higher (30°C) temperature for all populations of The positive correlation was observed between L. orbonalis. the temperature coefficient and emamectin benzoate toxicity towards population of which increased with increase in temperature. L. orbonalis, The LC values varied among different populations of i.e. Amritsar populations with higher LC followed by Kapurthala, Malerkotla 50 50 L. orbonalis and Ludhiana populations. The temperature and insecticide exposure history affected the toxicity of emamectin benzoate toxicity for L. orbonalis. L. orbonalis The information would be helpful in developing management strategies for according to prevailing environment conditions.
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