International Journal of Horticulture, 2024, Vol.14, No.3, 127-134 http://hortherbpublisher.com/index.php/ijh 131 2.2.2 Response of Bactrocera species of fruitfly to different traps Results presented the significant effect of methyl eugenol (158.34) on males of Bacteria dorsalis, followed by banana lure (32.33) and BWS (29) at a 5% level of significance (Table 4). In the evaluation of trap to other species, only Bactrocera dorsalis complex was reported in methyl eugenol but other lures didn’t attract significant mass. Only 9 females of Bactrocera zonata were observed in ACV lure and 59 males of Bactrocera minax in PH. Also, a significant population of females (20.33) of Bactrocera minax were trapped in PH baited trap. No species of Bactrocera minax were observed in other remaining traps similar to those above. Table 4 Number of Bactrocera Species in the Lures as Influenced by the use of different lures in the Mandarin Orchard of Syangja, Nepal 2022 Treatments Bactroceraspecies BD (Male) BD (Female) BDC (Male) BDC (Female) BZ (Male) BZ (Female) BM (Male) BM (Female) Cue lure 0.00d 0.00a 0.00d 0.00a 0.00d 0.00b 0.00b 0.00b ME 158.34a 0.00a 21.33a 0.00a 0.00c 0.00b 0.00b 0.00b ACV 24.00bc 0.00a 0.00b 0.00a 8.00a 9.0a 0.00b 0.00b PH 0.00d 0.00a 0.00b 0.00a 1.00c 0.00b 59.0a 20.33a Mint lure 7.34cd 0.00a 1.67cd 0.00a 0.00c 0.00b 0.00b 0.00b BWS 29.00b 0.00a 3.00d 0.00a 0.00c 0.00b 0.00b 0.00b Banana lure 32.33b 0.00a 6.33b 0.00a 0.00c 0.00b 0.00b 0.00b Control 0.00d 0.00a 0.00d 0.00a 0.00c 0.00b 0.00b 0.00b LSD (0.05) 17.30 - 2.82 - 6.91 4.32 16.27 2.17 Sem 5.70 - 0.93 - 2.27 0.47 5.36 0.71 F probability >0.001 - >0.001 - >0.001 >0.05 >0.001 >0.001 CV% 11.48 - 23.9 - 34.68 33.99 26.01 18.85 Grand mean 31.37 - 4.04 - 11.37 1.91 7.37 2.54 Note: Different letter means in column with the same superscript are not significantly different by DMRT at 0.05 level, LSD: Least Significant Difference, ns: non-significant, CV: Coefficient of variation, SEM: Standard error of the mean The results of overall population of B. dorsalis trapped (Figure 2) reported that higher in Methyl eugenol in which all were males. Also, the density of males of B. minax was higher in PH among all lures. For homemade baits, Banana lure, followed by BWS and ACV showed trapped B. dorsalis male. The females observed were only of B. minax inPH. Figure 2 Population density of male and female Bactrocerasp. trapped at the studysites
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