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Study on efficacy of pesticide mixtures as foliar sprays for the management of rice leaf folder (Cnaphalocrocis medinalis) and leaf blast (Pyricularia oryzae) on paddy

A field experiment was conducted at Agricultural College Farm, Bapatla to test the efficacy of some recommended insecticides and fungicides as a tank mix application. Two insecticidal treatments (chlorantraniliprole @ 0.3 ml l-1 and chlorpyriphos @ 2.5 ml l-1 ) and two fungicidal treatments (tricyclazole @ 0.6 g l-1 and isoprothiolane @ 1.5 ml l-1 ) with an untreated control were replicated thrice in a simple randomized block design. The results showed that all the insecticide and fungicide treatments alone and in combination were found superior over untreated check. Amongst them, chlorantraniliprole + isoprothiolane (0.3 ml l-1 + 1.5 ml l-1 ) was the most effective treatment to control leaf folder infestation with 83.04 per cent leaf damage reduction over control and tricyclazole (0.6 g l-1 ) alone was superior in reducing leaf blast severity with 74.13 per cent disease reduction over control. | Study on efficacy of pesticide mixtures as foliar sprays for the management of rice leaf folder Cnaphalocrocis medinalis and leaf blast Pyricularia oryzae on paddy