Field efficacy of ready mix formulation, Alika 247 ZC (Thiamethoxam 12.6% + Lambda cyhalothrin 9.5%) against major pests on Onion

Pooled analysis of two seasons data on Bio-Efficacy of Alika 247 ZC on onion indicated that three rounds foliar application of Alika 247 ZC @ 150 ml/ha starting from 30 days after planting was significantly superior in reducing the nymphs and adults of Thrips tabaci and population of Spodoptera exigua (89.4% & 89.6%) which was at par with Alika 247 ZC @ 125 ml/ha (87.6 & 87.4%) followed by Alika 247 ZC @ 100 ml/ha (86.2 & 82.2%). Thiamethoxam 25 WG @ 100 g/ha and dimethoate 30 EC @ 660 ml/ha were next best which were at par with each other. Alika 247 ZC at all the doses did not cause adverse effect on population of spiders in onion ecosystem and recorded the highest bulb yield of 18.72 t/ha, while in untreated check it was 11.34 t/ha.