Effect of different insecticides against blackfly, Aleurocanthus woglumi Ashby infesting kagzi lime

Abstract

Field experiments on effect of different insecticides against blackfly, Aleurocanthus woglumi Ashby infesting Kagzi lime was carried out at Horticulture farm, Junagadh Agricultural University, Junagadh during 2015-16 and 2016-17. All the treatments were significantly superior over untreated check. Results of the experiment indicated that the lowest number of blackfly per leaves was observed in the treatment of spinosad 45 SC 0.0135%, it was statistically at par with difenthiuron 50 WP 0.05% and imidacloprid 17.8 SL 0.0072% after seven and fifteen days of first as well as second spray of the both the season. The treatments of thiamethoxam 25 WG 0.0125%, profenophos 40 + cypermethrin 4 EC 0.044 % and profenophos 50 EC 0.05% as mediocre, whereas buprofezin 25 EC 0.025% and nuvaluron 10 EC 0.01% found the least effective.