مدیریت تلفیقی راب خاکستری Parmacella ibera به‌وسیله نماتد Phasmarhabditis hermaphrodita، متالدهید و فریکول در صومعه‌سرا، استان گیلان

نوع مقاله : مقاله پژوهشی


گروه گیاه‌پزشکی، دانشگاه ارومیه، ارومیه، ایران


آفت­کش­های بیولوژیک مزیت­هایی بر سموم شیمیایی دارند که از مهم­ترین آن­ها ایمن بودن  برای موجودات غیرهدف است. راب­ها توسط تعداد فراوانی از موجودات زنده از جمله نماتدها پارازیته و یا شکار می­شوند. در این پژوهش، مدیریت تلفیقی راب خاکستری Parmacella ibera توسط نماتد Phasmarhabditis hermaphrodita، متالدهید و فریکول در منطقه صومعه­سرا استان گیلان بررسی شد. تیمارهای مختلف شامل شاهد،کاربرد یک مرتبه غلظت توصیه شده نماتد در ابتدای فصل،کاربرد تلفیقی یک مرتبه غلظت توصیه شده نماتد در ابتدای آزمایش و استفاده از فریکول یک هفته بعد از آن،کاربرد دو مرتبه نیم­غلظت نماتد در ابتدا و یک هفته پس از آن وکاربرد تلفیقی یک مرتبه نیم غلظت نماتد در ابتدای آزمایش و یک مرتبه نیم غلظت متالدهید یک هفته بعد روی راب P. ibera بر اساس درصد راب­های مرده، میانگین درصد خوردگی برگ، تعداد برگ­های دارای علایم خوردگی و تعداد بوته­های دارای برگ­های خورده شده در هر کرت ارزیابی شد. نتایج نشان داد که بالاترین میانگین درصد مرگ و میر راب­ها در تیمار استفاده از نیم­غلظت نماتد و متالدهید به­دست آمد. درصد خوردگی برگ بین دو تیمار نماتد + فریکول و نماتد + متالدهید تفاوت معنی­داری نداشتند و این دو تیمار بهترین عملکرد را در این خصوص نشان دادند. نتایج به دست آمده از این تحقیق نشان می­دهد تیمار یک مرتبه نیم­غلظت نماتد در ابتدای آزمایش و یک مرتبه نیم­غلظت متالدهید یک هفته بعد از آن، در تمام صفت­های مورد بررسی تاثیر قابل ملاحظه­ای داشته و توانسته است علاوه­ بر کنترل آفت، میزان خسارت آن را کاهش دهد.


عنوان مقاله [English]

Integrated management of grey slug Parmacella ibera by Phasmarhabditis hermaphrodita, Metaldehyde and Fericol in Someh Sara, Guilan Province

نویسندگان [English]

  • M. H. Akbari Asl
  • S. A. Safavi
Department of Plant Protection, Faculty of Agriculture, Urmia University, Urmia, Iran
چکیده [English]

Biological pesticides have advantages to chemicals that safety to non-target organisms is of the most important ones. Slugs are parasitized or preyed by several organisms such as nematodes. In this research, integrated management of grey slug Parmacella ibera was assessed by Phasmarhabditis hermaphrodita, Metaldehyde and Fericol in field conditions in Someh Sara, Guilan Province. The treatments included: untreated, P. hermaphrodita recommended dose, P. hermaphrodita recommended dose + Fericol, P. hermaphrodita ½ dose and P. hermaphrodita ½ dose +Metaldehyde ½ dose on P. ibera assessed based on the percent of dead slugs, mean percent of damaged leaves, the number of leaves with damage symptoms and the number of plants with damage symptoms. Results showed the highest percent of dead slugs in P. hermaphrodita ½ dose +Metaldehyde ½ dose. Mean percent of damaged leaves was not significantly different among P. hermaphrodita treatments along with Fericol and metaldehyde. Results indicated that P. hermaphrodita ½ dose + Metaldehyde ½ dose treatment had considerable effect in all parameters on pest control besides a decrease in the damage.

کلیدواژه‌ها [English]

  • Nematode
  • Slug
  • Pesticide
  • Metaldehyde
  • Fericol
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