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گونۀ Scirtothrips dorsalis (Thysanoptera: Thripidae) به عنوان آفت مرکبات در استان فارس

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشیار ، بخش گیاه‌پزشکی، دانشکدۀ کشاورزی، دانشگاه شیراز

2 . استادیار، بخش باغبانی، دانشکدۀ کشاورزی، دانشگاه جهرم

3 استادیار، بخش گیاه‌پزشکی، دانشکدۀ کشاورزی، دانشگاه شیراز

چکیده

‌گونه‌های جنس Scirtothrips Shull حشرات ریزی‌اند که چندین گونۀ آن بر روی محصولات مختلف در دنیا به عنوان آفاتی مهم، شناخته شده‌اند. در این مطالعه، برای نخستین بار گونۀHood  S. dorsalis از ایران گزارش می‌شود. رنگ بدن این گونه به‌طور کلی روشن است، اما بندهای انتهایی شاخک تیره‌اند. بندهای استرنیت شکم به جز در ناحیۀ جلویی میانی از ردیف‌های موهای ریز پوشیده شده است. جمعیت زیادی از این گونهدر باغ‌های مرکبات جهرم در استان فارس، جنوب ایران، در بهار و تابستان سال 1394جمع‌آوری شده است. تغذیۀ این تریپس از برگ‌ها باعث ایجاد شکل‌های غیرطبیعی، از جمله باریک‌شدگی و ضخیم شدن برگ‌ها می‌شود. این آفت، سلول‌های اپیدرمی میوه‌ها را سوراخ می‌کند و حالت چوب‌پنبه‌ای یا خراش‌های نقره‌ای روی پوست ایجاد می‌کند. آثار خسارت این گونه بر روی برگ‌ها و نیز میوه‌ها شرح داده شده و تصاویر آن ارائه گردیده است. دربارۀ امکان انتقال ویروس توسطS. dorsalis بحث شده است. ویژگی‌های تشخیصی به همراه شکل‌های مرتبط تهیه و ارائه شده است.
 
 

کلیدواژه‌ها

عنوان مقاله [English]

Scirtothrips dorsalis (Thysanoptera: Thripidae) as a pest of citrus in Fars province, Iran

نویسندگان [English]

  • Kambiz Minaei 1
  • Seyed Ali Akbar Bagherian 2
  • Maryam Aleosfoor 3
1 Associate Professor Department of Plant Protection, College of Agriculture, Shiraz University, Shiraz, Iran
2 . Assistant Professor, Department of Horticulture, College of Agriculture, Jahrom University, Jahrom, Iran
3 Assistant Professor, Department of Plant Protection, College of Agriculture, Shiraz University, Shiraz, Iran
چکیده [English]

Species of the genus Scirtothrips Shull are minute insects of which several are major pests on the leaves of various crops around the world. In this study, S. dorsalis is recorded for the first time from Iran. Body mainly yellow but antecostal ridge on tergites and sternites is dark brown and distal antennal segments are brown. Abdominal sternites covered with rows of microtrichia except anteromedially. A huge population of the species was collected in citrus orchards of Jahrom, Fars province, southern Iran in spring and summer of 2015. Thrips feeding causes several distortions on the leaves including narrowing and thickness on the leaves. On fruits, this pest punctures epidermal cells, leaving silvery scars or scabby on the rind. The effects of S. dorsalis on leaves as well as fruits are described and illustrated. The possibility of virus transmission by S. dorsalis has been discussed. Diagnosis characters as well as relative figures are provided.
 
 
 

کلیدواژه‌ها [English]

  • Fars province
  • New record
  • pest
  • Scirtothrips dorsalis
  • thrips

مراجع

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دانش گیاهپزشکی ایران
دوره 46، شماره 2 - شماره پیاپی 2
پاییز و زمستان
مهر 1394
صفحه 219-225

فایل ها

سابقه مقاله

  • تاریخ دریافت: 25 مرداد 1394
  • تاریخ بازنگری: 27 آذر 1394
  • تاریخ پذیرش: 06 دی 1394

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