Efficacy of Different Approaches to Control Litchi Fruit Borer

Litchi is affected by number of pests, among them litchi fruit borer (LFB), Conopomorpha sinensis Bradley (Lepidoptera: Gracillariidae) serious one which causes considerable yield loss. This study aimed to evaluate the efficacy different options for management LFB. The research work was conducted in an orchard at Gopalpur under Tangail district Bangladesh consecutively two seasons manage LFB using mosquito net, types bags, three botanicals and five synthetic insecticides as spray material find out most efficient based on highest reduction infestation (RFI) over control along with benefit cost ratio (BCR). White butter paper bagging showed RFI (100%) 51.66% increase fresh (FF) BCR 7.47:1. Neem oil significantly effective (78.73%) 8.67:1. Novastar 56 EC (Bifenthrin+ Abamectin) chemical treatments recording 98.08 % 51.18 FF 6.06:1. Based BCR, performance could be ranked > Paper Novastar. So, safe technique, rate 6 ml/L water eco-friendly tactic @ 1 least harmful approach recommended protect from attack ensure higher fruits.
 J. Agril. Res. 46(2): 143-151, June 2021