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Abstract
Oriental fruit fly Bactrocera dorsalis (Hendel) (Diptera: Tephritidae) is the most destructive pest of mango in Bihar. With an aim to provide cost effective management strategies for farmers against this pest different traps were evaluated in mango orchard of Bihar Agricultural University, Bihar. Three years data on infested fruits revealed that hanging of wooden block (5x5x1 cm) in plastic bottle soaked in alcohol: methyl eugenol: DDVP (6:4:1) @10 traps/ha (replacement of wooden block at 2 months interval) was significantly superior which was followed by hanging of Rakshak (Dapoli trap) @10 trap/ha (replace the lure at 2 months interval). As far as fruit fly catch per trap per week is concerned, maximum number were trapped in hanging of wooden block (5x5x1 cm) in plastic bottle soaked in solution ratio 6:4:1 (alcohol: methyl eugenol: DDVP). Maximum yield as well as highest Incremental Cost Benefit Ratio (ICBR) were also observed with alcohol: methyl eugenol + DDVP.
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