author(s)
Dr. ASR Sarma, Dr. D Lakshmi Kalyani and Dr. Y Rama Reddy

abstract
Field experiment conducted at Regional Agricultural Research Station, Nandyal during Kharif, 2016-17 to evaluate the efficacy of individual and combination of chemicals i.e., Spinetoram, Sulfoxaflor, Pyriproxyfen, fenpropathrin along with standard check and untreated control against leafhoppers and pink bollworm revealed that Spinetoram 10% + Sulfoxaflor 30% WG @ 350 ml/ha, Spinetoram 10% + Sulfoxaflor 30% WG @ 300 ml/ha, Spinetoram @ 300 ml/ha and Sulfoxaflor @ 300 ml/ha were effective in reducing the leafhopper population in cotton whereas Spinetoram 10% + Sulfoxaflor 30% WG @ 350 ml/ha, pyriproxyfen @ 750 ml/ha and Sulfoxaflor @ 300 ml/ha were found effective in reducing the pink bollworm damage in green bolls along with highest yield.