Efficacy of newer combination insecticides against shoot and fruit borer, Earias vittella (Fabricius) on okra
2014
Kamble, P. P. | Kulkarni, S. R. | Patil, S. K.
An experiment was conducted to evaluate the efficacy of newer combination insecticides against shoot and fruit borer, Earias vittella (Fabricius) on okra. Among tested insecticides, indoxacarb 14.5 SC + acetamiprid 7.7 SC @ 400 ml/ha, profenophos 40 EC + cypermethrin 4 EC @1000 ml/ha and chlorpyriphos 50 EC + cypermethrin 5 EC @1000 ml/ha found to be the most effective in reducing the fruit infestation on number basis as well as weight basis was 15.65 to 14.80 and 16.25 to 15.24%, respectively as against 32.14 and 31.31%in the control. The significantly highest yield (124.44 q/ha) of healthy fruits was recorded in indoxacarb 14.5 SC + acetamiprid 7.7 SC followed by profenophos 40 EC + cypermethrin 4 EC (114.52 q/ha) and chlorpyriphos 50 EC + cypermethrin 5 EC (112.70 q/ha). The highest incremental benefit cost ratio (12.45) was registered by indoxacarb 14.5 SC + acetamiprid 7.7 SC followed by profenophos 40 EC + cypermethrin 4 EC (11.07) and chlorpyriphos 50 EC + cypermethrin 5 EC (9.66).
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