Dissipation of imidacloprid on lemon fruit rind under tarai agro-climatic condition of Uttarakhand

Following application of imidacloprid at the rate of 0.008 per cent a.i. on lemon plants the average initial deposition on rind of lemon were found to be 1.82 mg/kg after three days of spraying. A sudden decline in the residue levels in the rind was observed on 7th day, thereafter residue levels steadily decreased. Residues of imidacloprid were below its maximum residue limit (MRL) of 1.0 mg/kg in rind after 7 days of spraying. Waiting periods for imidacloprid in lemon fruit rind was 7.38 days under agro-climatic condition of tarai region of Uttarakhand.