Vol. 12, Issue 6 (2023)

Author(s):
Savita Aditya, BP Katlam and YK Meshram

Abstract:
The present investigation on “Effect of different insecticides on survival of lac insect K. lacca (Kerr.) on Schleichera oleosa” was conducted farmers field at Raigarh district of Chhattisgarh during aghani season 2020-21 to 2021-22. Four insecticides with different doses, Spinosad @ 0.005, 0.020, Fipronil @ 0.005, 0.020, Emamectin Benzoate @ 0.002, 0.003, and Rynaxypyr @ 0.005 and 0.010, were tested for lac insect safety on aghani kusmi lac crop, along with the check insecticide Indoxacarb @ 0.007 percent. Overall impact of insecticidal application, emamectin benzoate @ 0.002 percent was found very much effective in survival percent of lac insect with 88.89, 86.87 and 85.98 percent survival of lac insect/2.5 sq.cm lac stick at first spray 30 day after BLI, second spray 60 day after BLI and 90 day after BLI, respectively and maximum scraped lac production 47.05 g/30 cm lac stick and maximum lac production increase 33.76 percent was recorded and rest of of the insecticides were significantly differed as compared to the untreated control.