نویسندگان
1 دانشجوی سابق کارشناسی ارشد پردیس کشاورزی و منابع طبیعی دانشگاه تهران
2 استادیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران
3 عضو هیأت علمی مرکز آموزش ملاصدرا، یزد
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
Carob moth, Ectomyelois ceratoniae Zeller (Lep.: Pyralidae) is considered as the most important pest of pomegranate in Iran causing serious damages up to 80% at pre and post harvesting stages. In this study larval parasitoids of carob moth were collected from three regions of production sites of pomegrante namely: Varamin, Qom, and Saveh during 2007. Eight species were collected from Varamin, 7 species from Qom and 4 collected from Saveh. The braconid, Apanteles myeloenta Wilkinson was the most prevalent species among the collected parasitoids which could be found in all the sites of study. The emergence peak of parasitoids occurred at the end of the cropping season (September). Parasitism started in Varamin from Aug., being continued until Oct. It prevailed from July until Oct in Qom and from Aug. until Oct. in Saveh. The highest diversity of parasitoids and the most parasitism percentage level was observed in Varamin. The highest percentage of fruits attacked by E. ceratoniae was found in the near harvest, period, starting in Oct. The percentage of infested fruits in the agricultural season was approximately 69.25% in Varamin, 47% in Qom and 56.25% in Saveh during October. This is the first report of parasitism of carob moth larvae by all species belonging to Ichneumonidae, Chelenus sp. (Hym.: Braconiade) and Fischeria bicolor (Dip.: Tachinidae) in the world. According to the obtained results, diversity of parasitoids and parasitism percentage of carob moth larvae is so considerable that many further studies on their control, and the conservating methods of the valuable natural treasures that can fall prey to them should be conducted.
کلیدواژهها [English]
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