Nutritional indices of carob moth, Ectomyelois ceratoniae Zeller (Lepidoptera: Pyralidae) on different pomegranate cultivars
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عنوان دوره: سومین کنگره بین المللی حشره شناسی ایران
نویسندگان
1Department of Plant Protection, Faculty of Agriculture and Natural Resources, University of Mohaghegh
2Department of Plant Protection, Nuclear Agriculture Research School, Nuclear Science and Technology Research Institute, Karaj, Iran,
3Department of Plant Protection, Agricultural and Natural Resources Research Center of Yazd, Yazd, Iran,
چکیده
1, 1, Mahmoud Soufbaf2, Mahdi Hassanpour1 and Ali Jafari Nodoushan3
1. Department of Plant Protection, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran, zahra.abedi@uma.ac.ir, golizadeh@uma.ac.ir, hassanpour@uma.ac.ir,
2. Department of Plant Protection, Nuclear Agriculture Research School, Nuclear Science and Technology Research Institute, Karaj, Iran, msoufbaf@aeoi.org.ir
3. Department of Plant Protection, Agricultural and Natural Resources Research Center of Yazd, Yazd, Iran, a.jafarin@areo.ir
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. 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. The larvae reared on Shahvare-Danehsefid and Gorche-Tafti 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 and those on Gorche-Tafti had a lower RCR. In addition, a higher value of relative growth rate (RGR) was found on Shahvare-Danehsefid cultivar 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.
1. Department of Plant Protection, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran, zahra.abedi@uma.ac.ir, golizadeh@uma.ac.ir, hassanpour@uma.ac.ir,
2. Department of Plant Protection, Nuclear Agriculture Research School, Nuclear Science and Technology Research Institute, Karaj, Iran, msoufbaf@aeoi.org.ir
3. Department of Plant Protection, Agricultural and Natural Resources Research Center of Yazd, Yazd, Iran, a.jafarin@areo.ir
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. 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. The larvae reared on Shahvare-Danehsefid and Gorche-Tafti 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 and those on Gorche-Tafti had a lower RCR. In addition, a higher value of relative growth rate (RGR) was found on Shahvare-Danehsefid cultivar 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.
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