Author(s): D. K. HAZRA, R. KARMAKAR, DURGESH and A. BHATTACHARRYA

Abstract: The persistence of propaquizafop was studied in two different soils (Canning-saline soil and Jhargram-red & lateritic soil) under controlled laboratory simulated conditions. Propaquizafop was fortified at 2 and 4 μg g^-1 and samples were drawn, extracted and analyzed upto 90 days at regular intervals. Dissipation of propaquizafop was followed first order kinetics irrespective of any treatment and soil type. Calculated half-life values were found to be in the range of 25.29-27.63 da s irrespective of dosage of application. Higher dissipation rate had been observed in Canning soil.

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