ارزیابی خسارت گونه‌های متفاوت مرکبات نسبت به مینوز برگ مرکبات Phyllocnistis citrella در شرایط باغی اهواز

نوع مقاله : مقاله پژوهشی


1 دانشجوی کارشناسی ارشد حشره‌شناسی، گروه گیاه‌پزشکی، دانشکدۀ کشاورزی، دانشگاه شهید چمران اهواز،ایران

2 دانشیار گروه گیاه‌پزشکی، دانشکدۀ کشاورزی، دانشگاه شهید چمران اهواز،ایران

3 استادیار گروه گیاه‌پزشکی، دانشکدۀ کشاورزی، دانشگاه شهید چمران اهواز،ایران


مینوز برگ مرکبات (Phyllocnistis citrella Stainton (Lepidoptera: Gracillaridae یکی از آفات محدودکنندۀ کشت و کار مرکبات در خوزستان است. در این بررسی، خسارت شش گونه مرکبات نسبت به این آفت در شرایط باغی مورد ارزیابی قرار گرفت. بدین منظور، شاخه‌های 10 سانتی‌متری آلوده به سن اول لاروی از هرگونه به‌طور تصادفی انتخاب و با استفاده از تلۀ آستینی پوشانده شد. سپس به‌صورت روزانه تاریخ آلودگی، تعداد تخم، لارو، شفیره، حشرات بالغ و طول دورۀ لاروی و شفیرگی ثبت گردید. در این آزمایش تفاوت معنی‌داری بین صفات مورد بررسی مشاهده شد، به‌طوری‌که بیشترین میانگین طول دورۀ لاروی در پرتقال (47/0±75/11 روز) و کمترین میانگین در نارنگی (28/0±50/6 روز) مشاهده شد. همچنین بیشترین میانگین طول دورۀ شفیرگی در لیموترش (88/0±66/12 روز) و گریپ‌فروت (67/0±60/11 روز) به دست آمد و پرتقال (70/0±00/5 روز) کمترین میانگین طول دورۀ شفیرگی را داشت. از نظر میانگین تعداد مراحل مختلف زیستی آفت، پرتقال بیشترین تعداد (تخم: 75/10، لارو: 25/10، شفیره: 75/9 و بالغ: 25/9) و لیموشیرین کمترین تعداد (تخم: 75/4، لارو: 00/4، شفیره: 50/3 و بالغ: 50/3) را داشت. نتایج بررسی‌ها نشان داد، بیشترین میانگین سطح آلودۀ برگ در پرتقال (05/0±82/0) و کمترین سطح آلوده در لیموشیرین (05/0±35/0) اندازه‌گیری شد. با توجه به ویژگی‌های مورد بررسی پرتقال بیشترین خسارت و لیموشیرین و گریپ‌فروت کمترین خسارت را از حملۀ آفت متحمل شدند.


عنوان مقاله [English]

Evaluation of the citrus leaf miner (Phyllocnistis citrella) in Ahvaz region damage to different citrus species

نویسندگان [English]

  • Narges Karam Kiani 1
  • Ali Asghar Seraj 2
  • Behzad Habibpour 2
  • Masumeh Ziaee 3
1 M. Sc. Student, Department of Plant Protection, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Iran
2 Associate Prtofessor, Department of Plant Protection, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Iran
3 Assistant Professor, Department of Plant Protection, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Iran
چکیده [English]

Citrus leaf-miner, Phyllocnistis citrella Stainton (Lepidoptera: Gracillariidae), is one of the pests limiting citrus species in Khuzestan. The damage of six citrus species to this pest was evaluated in Ahvaz region orchards. For this purpose, 10 cm long twigs from each tree of the first instar of larvae were randomly selected and covered with a sleeve trap. Then, the date of infection, number of eggs, larvae, pupae, adults, and the duration of larval and pupal stages were recorded daily. There was a significant difference between the studied traits in this experiment. The highest average length of the larval period was related to orange (11.75±0.47 days) and the lowest average of tangerine (6.50±0.28 days) was recorded. Also, the highest mean pupal period was related to key lime (12.66±0.88 days) and grapefruit (11.66±0.67 days), and orange (5.00±0.07 days) had the lowest average. The highest number of pest different life stages was recorded in orange fruit (eggs: 10.75, larvae: 10.25, pupae: 9.75 and adults: 9.25) and the lowest number was observed in sweet lemon (eggs: 4.75, larvae: 4.00, pupae: 3.50 and adults: 3.50). The level of contaminated leaf area showed that the highest average of orange (0.82±0.05) and the lowest average of sweet lemon (0.35 ± 0.05) were recorded. According to the parameters studied, orange have suffered maximum and sweet lemon and Grapefruit minimum damage from pest attack.

کلیدواژه‌ها [English]

  • Citrus leaf-miner
  • citrus species
  • damage
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