author(s)
Sathupati Naveen Kumar and Anoorag R Tayde

abstract
The field experiment was conducted at the Central Research Field, SHUATS, Prayagraj, U.P. during rabi season of 2018-2019. Among all the treatments studied, the results during 1^st spray revealed that Spinosad has recorded highest reduction of the aphid mean population (63.38%) followed by Fipronil (54.52%), Neem seed kernel extract (49.06%), Neem oil (48.60%), Citranella oil (46.58%), Tobacco leaf extract (42.06%), and Pongum seed kernel extract (41.40%) was the least effective among all the treatments. The data on the population reduction of cabbage aphids in the 2^nd Spray revealed that among all the treatments studied Spinosad has recorded highest reduction of aphid mean population (82.53%) followed by Fipronil (79.33%), Neem seed kernel extract (74.08%), Neem oil (71.80%), Citranella oil (71.22%), Pongum seed kernel extract (69.12%) and Tobacco leaf extract (68.77%) was the least effective among all the treatments studied.