| Nutritional indices of carob moth, Ectomyelois ceratoniae Zeller (Lepidoptera: Pyralidae) on different pomegranate cultivars |
| Paper ID : 1310-3IICE (R1) |
| Authors: |
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Zahra Abedi *1, Ali Golizadeh1, Mahmoud Soufbaf2, Mahdi Hassanpour3, Ali Jafari-Nodooshan4 1Department of Plant Protection, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil 2Department of Plant Protection, Nuclear Agriculture Research School, Nuclear Science and Technology Research Institute, Karaj 3Department of Plant Protection, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran 4Scientific Board |
| Abstract: |
| The carob moth, Ectomyelois ceratoniae Zeller (Lepidoptera: Pyralidae), is known as a serious pest in decreasing quantitative and qualitative features of pomegranate, Punica granatum L. (Ponicaceae), in Iran and many tropical and subtropical regions. In this study, the effects of 11 commercial cultivars of pomegranate (Aban-Mahi, Esfahani-Danehghermez, Gabri, Gorche-Tafti, Malase-Danehsyah, Malase-Yazdi, Shahvare-Danehghermez, Shahvare-Danesefid, Tabolarze-Mehrmahi, Tafti, and Toghe-Gardan) were evaluated on nutritional performance of E. ceratoniae at 30 ± 1°C, 60 ± 5% RH, and a photoperiod of 14: 10 (L: D) h. Before accomplishing the nutritional indices experiments, E. ceratoniae was reared for three generations on each cultivar of pomegranate fruit. Nutritious indices were assessed on a dry weight basis. The weights of the fourth instar larvae were noted every day before and after larval feeding during a week. Nutritional indices of the larvae were significantly different on various pomegranate cultivars. The larvae fed on Shahvare-Danehsefid showed the higher value of food consumption as compared with other cultivars. Also, the highest weight gain of larvae was observed when larvae were fed on Shahvare-Danehsefid cultivar (0.039 g). The larvae reared on Shahvare-Danehsefid (2.84 and 2.92 %) and Gorche-Tafti (2.69 and 2.78 %) cultivars showed the highest efficiency of conversion of ingested food (ECI) and efficiency of conversion of digested food (ECD) values as compared with the other cultivars. The higher relative consumption rate (RCR) was on Esfahani-Daneh ghermez and Tabolarze-MehrMahi cultivars (4.53 and 4.63 g/g/day) and those on Gorche-Tafti (3.41 g/g/day) had a lower RCR. In addition, a higher value of relative growth rate (RGR) was found on Shahvare-Danehsefid cultivar (0.105 g/g/day) as compared with other cultivars. The results indicated that Shahvare-Danehsefid cultivar was relatively susceptible pomegranate cultivar and Esfahani-Danehghermez was the most inappropriate cultivar for feeding of E. ceratoniae, which could be useful in the development of integrated pest management programs for this pest. |
| Keywords: |
| Ectomyelois ceratoniae, Pomegranate, Feeding response, Performance, Cultivar |
| Status : Paper Accepted (Poster Presentation) |
