بررسی اثر حشره کشی نهشته های ایرانی خاک دیاتومه روی حشرات بالغ Callosobruchus maculatus F. (Coleoptera: Bruchidae)

نوع مقاله: علمی پژوهشی-فارسی

نویسندگان

1 گروه گیاهپزشکی، دانشکده کشاورزی، دانشگاه شهید چمران اهواز

2 سازمان پژوهش های عمی و صنعتی

3 موسسه تحقیقات گیاهپزشکی کشور

چکیده

اثر حشره کشی سه نهشته ایرانی خاک دیاتومه تهیه شده از معدن‌های مراغه، ممقان و خراسان جنوبی و یک فرمولاسیون تجاری Sayan® روی حشرات بالغ Callosobruchus maculatus F. (Coleoptera: Bruchidae) بررسی شد. دانه‌های لوبیا چشم بلبلی با چهار غلظت 200، 600، 1000، و 1500 میلی گرم بر کیلوگرم تیمار شدند و هر غلظت چهار بار تکرار شد. آزمایش‌ها در دمای 1 ± 28 درجه سلسیوس، رطوبت نسبی 5 ± 55 درصد و در شرایط تاریکی انجام شد. تلفات بعد از 2، 5، و 10 روز از تیمار شمارش شد. بعد از گذشت 10 روز، همه حشرات بالغ از ظرف‌های آزمایش دور ریخته شد و ظرف‌ها برای بررسی نتاج تولید شده برای 35 روز بیشتر در همان شرایط نگهداری شدند. درصد تلفات با افزایش غلظت و مدت زمان قرارگیری در معرض هر غلظت افزایش یافت. به ترتیب نهشته‌های ممقان، خراسان جنوبی و مراغه خاک دیاتومه بیشترین اثر حشره کشی را روی حشرات بالغ، 10 روز بعد از تیمار ایجاد کردند. غلظت 1000 میلی گرم بر کیلوگرم از این نهشته ها برای مانع شدن از تولید نتاج C. maculatus کافی است. بنابراین، می توان نهشته‌های ایرانی خاک دیاتومه را به عنوان ابزار مناسب در برنامه‌های مدیریت آفات محصولات انباری به کار برد.

کلیدواژه‌ها


عنوان مقاله [English]

The insecticidal efficacy of Iranian diatomaceous earth deposits against adults of Callosobruchus maculatus F. (Coleoptera: Bruchidae)

نویسندگان [English]

  • Masumeh Ziaee 1
  • Maryam Atapour 2
  • Aref Marouf 3
چکیده [English]

The insecticidal efficacy of three Iranian diatomaceous earth (DE) deposits obtained from Maragheh, Mamaghan, Khorasan Jonoobi mines and a commercial formulation, Sayan®, was assessed against adults of Callosobruchus maculatus F. (Coleoptera: Bruchidae). Cowpea grains were treated with four concentrations including 200, 600, 1000 and 1500 mg/kg and each concentration replicated four times. Experiments were carried out at 28±1˚C and 55±5% R.H. in continuous darkness. The mortality was counted after 2, 5, and 10 days of exposure. After 10 days, all adults were removed from vials, and the vials were left at the same conditions for an additional 35 days, to evaluate the progeny production. The mortality percent increased with increasing concentration level and time exposed to each concentration. Mamaghan, Khorasan Jonoobi and Maragheh DE deposits have the most insecticidal toxicity against adults after 10 days of exposure, respectively. The concentration 1000 mg/kg of these DEs was sufficient enough to suppress C. maculatus progeny production. Therefore, Iranian DE deposits may be applied as a suitable tool in stored products pest management programs.

کلیدواژه‌ها [English]

  • Protection
  • Diatomaceous earth
  • Callosobruchus maculatus
  • Cowpea
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