Evaluation of tetraniliprole 200 sc against american serpentine leaf miner Liriomyza trifolii (Burgess) and its impact on natural enemies in Tomato

Two rounds of foliar application of tetraniliprole 200 SC @ 60 and 50 g a.i. ha⁻¹ were found effective in reducing the damage caused by serpentine leaf miner, Liriomyza trifolii (Burgess) followed by its dose @ 40 g a.i. ha⁻¹. Tetraniliprole 200 SC at all the test doses reduced slightly the natural enemies viz. coccinellids and spiders immediately after the spraying. The natural enemy population started increasing gradually ten d after spraying. Foliar application of tetraniliprole 200 SC @ 60, 120 and 240 g a.i. ha⁻¹ did not cause any phytotoxic symptoms. At 60 g a.i. ha⁻¹, it recorded maximum tomato yield of 38.08 and 42.20 t ha⁻¹ with tomato hybrid US 3140 (Mahalakshmi) in the first and second season, respectively.