Vol. 12, Issue 6 (2023)

Author(s):
Aishly and Ashwani Kumar

Abstract:
The present research study was carried out applying the Randomised Block Design (RBD) approach in three replications during the rabi season of 2022-2023 at the Central Research field, NAI, SHUATS, Prayagraj. Results revealed that, among all the treatments Imidacloprid 17.8 SL was found most effective in suppressing the population of BPH with 6.65 BPH/hill it was significantly superior and followed by Fipronil 5% SC (6.80 BPH/hill) followed by next in row by Spinosad 45% SC with (7.02 BPH/hill) followed by Neem oil 10% (7.16 BPH/hill), next by Meta rhizium anisopliae WP with (7.34 BPH/hill) next was by Nisco Sixer Plus (7.39 BPH/hill) and Beauveria bassiana @ 1x 1010 (7.66 BPH/hill) respectively. The highest infestation of BPH (13.37 BPH/hill) was recorded in the untreated control plot. Among all the treatments, the highest yield and incremental cost-benefit ratio were recorded in Imidacloprid 17.8 SL (41 q/ha), which gave 1:2.56 during Kharif, 2022 and followed Fipronil 5% SC (35 q/ha and 1:2.28), Spinosad 45% SC (34 q/ha and 1:2.21), Neem oil 10% (33 q/ha and 1:2.11), Metarhizium anisopliae WP (32 q/ha and 1:2.05), Nisco Sixer Plus (31q/ha and 1:2.04). Whereas the minimum yield and cost benefits ratio 30q/ha and 1:1.96 was observed in the treatment Beauveria bassiana 1x 1010.