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ارزیابی فراسنجههای زیستی سه گونه از زنبورهای پارازیتوئید جنسTrichogramma روی کرم گلوگاه انار، Ectomyelois ceratoniae در شرایط آزماﻳشگاهی | ||
| مهار زیستی در گیاهپزشکی | ||
| مقاله 4، دوره 3، شماره 2، اسفند 1394، صفحه 47-58 اصل مقاله (263.77 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/bcpp.2016.103348 | ||
| نویسندگان | ||
| سیده الهه محسنی* 1؛ حبیب عباسی پور2؛ محمدرضا عطاران3؛ علیرضا عسکریان زاده4 | ||
| 1مدرس دانشگاه پیام نور | ||
| 2دانشیار گروه گیاهپزشکی دانشگاه شاهد | ||
| 3استادیار بخش کنترل بیولوژیک، موسسه تحقیقات گیاهپزشکی ایران | ||
| 4استادیار گروه گیاهپزشکی دانشگاه شاهد | ||
| چکیده | ||
| یکی از مهمترین آفات باغات انار ایران، شبپرهی کرم گلوگاه انار، Ectomyelois ceratoniae (Lep.: Pyralidae) میباشد که سالانه خسارتهای قابل توجهی بهباغات انار وارد می سازد. زنبورهای تریکوگراما یکی از عوامل اصلی کنترل بیولوژیک این آفت در سطح باغ ها هستند که می توان از آنها بهشکل مؤثری برای کاهش خسارت استفاده شود. در این تحقیق زیستشناسی و برخی از فراسنجههای مهم زیستی سه گونه زنبور Trichogramma brassicae،T. embryophagum و T. pintoi روی تخم E. ceratoniae در شرایط آزمایشگاهی مورد بررسی قرار گرفت. در بررسی بیولوژی آزمایشگاهی، طول دورهی تخمریزی، دورهی بعد از تخمریزی و طول دوران بلوغ در زنبور T. brassicae پرورش یافته روی کرم گلوگاه انار بهترتیب 80/7، 90/0، 70/8 روز و در زنبور T. embryophagum بهترتیب 20/8، 00/1، 20/9 روز و در زنبور T. pintoiبهترتیب 40/7، 10/1، 50/8 روز محاسبه شد. این زنبورها فاقد دورهی پیش از تخمریزی بودند. نتایج این تحقیق نشان داد که نرخ ناخالص تولیدمثل (GRR)، نرخ ذاتی افزایش جمعیت (rm)، متوسط زمان هر نسل (T) و نرخ متناهی افزایش جمعیت (λ) در زنبور T. brassicae روی تخم کرم گلوگاه انار بهترتیب 021/38 تخم، 286/0 بر روز، 659/12 روز، 330/1 بر روز و در زنبور T. embryophagumبهترتیب 247/39 تخم، 311/0 بر روز، 645/11 روز و 365/1 بر روز و در زنبور T. pintoi بهترتیب 626/28 تخم، 262/0 بر روز ، 558/12 روز و 300/1 بر روز بهدست آمد که بین آن ها از نظر آماری اختلاف معنیداری در سطح احتمال 5 درصد وجود داشت. باتوجه بهنتایج بهدست آمده از این تحقیق می توان نتیجه گرفت که کارایی زنبور T. embryophagum نسبت بهدوگونهی دیگر یعنی T. brassicae و T. pintoiروی تخم شبپرهی کرم گلوگاه انار بیشتر است. بنابراین گونه مزبور برای استفاده در برنامههای مدیریت تلفیقی کرم گلوگاه انار قابل توصیه است. | ||
| کلیدواژهها | ||
| کرم گلوگاه انار؛ T. brassicae؛ T. embryophagum؛ T. pintoi؛ فراسنجههای زیستی | ||
| عنوان مقاله [English] | ||
| Evaluation of the life table characteristics of three species of the genus Trichogramma on the carob moth, Ectomyelois ceratoniae under laboratory conditions | ||
| نویسندگان [English] | ||
| seyedeh elahe mohseni1؛ habib Abbasipour2؛ mohamadreza attaran3؛ alireza askarinzadeh4 | ||
| 1Professor university PN | ||
| 2Associate Prof. of Plant Protection Department, Faculty of Agricultural Sciences, Shahed University | ||
| 3Assistant Prof. of Biological control Department, Institute of Plant Protection of Iran | ||
| 4Assistant Prof. of Plant Protection Department, Faculty of Agricultural Sciences, Shahed University | ||
| چکیده [English] | ||
| The carob moth Ectomyelois ceratoniae (Lep.: Pyralidae) is the most important pest of pomegranate in Iran which annually causes considerable damages. Trichogramma wasps are one of the main factors in biological control of this pest, which can be used effectively to reduce damage. In this research, biological parameters of three species ofTrichogrammatids viz. T. brassicae, T. emryophagum and T. pintoi were evaluated on the carob moth, (E. ceratoniae) eggs under the laboratory conditions. The results showed that reproductive period, post-reproductive period and adult life span for T. brassicae reared on the carob moth were 7.8, 0.9, 8.7 days, respectively. These parameters for T. embryophagum were 8.2, 1.00, 9.2 days and for T. pintoi were 7.4, 1.1, 8.5 days, respectively. The studied species lacked pre-reproductive period. The results also showed that gross reproductive rate (GRR), intrinsic rate of natural increase (rm), mean generation time (T) and finite rate of population increase (λ) for T. brassicae reared on the carob moth were 38.021 (eggs), 0.286 (day-1), 12.659 (days), 1.330(day-1), respectively. The above calculated parameters for T. embryophagum reared on the same host were 39.247 (eggs), 0.311 (day-1), 11.659 (days), and 1.365 (day-1), and for T. pintoi they were 28.626 (eggs), 0.262 (day-1), 12.558 (days), and 1.300 (day-1), respectively, that were significantly different. It can be concluded that efficiency of T. embryophagum species compared with two other species, T. brassicae and T. pintoi on the carob moth eggs was higher. Therefore, it is recommended to use this species in integrated pest management program. | ||
| مراجع | ||
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