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بررسی اثرات بیمارگری سه نوع نوکلئوپلی هیدرو ویروس، Spodoptera littoralis NPV، Helicoverpa armigera NPV و Spodoptera litura NPV روی مراحل زیستی پروانه برگخوار مصری پنبه Spodoptera littoralis | ||
| آفات و بیماری های گیاهی | ||
| مقاله 7، دوره 85، شماره 2 - شماره پیاپی 105، اسفند 1396، صفحه 203-218 اصل مقاله (453.81 K) | ||
| نوع مقاله: مدیریت آفات و بیماریهای گیاهی | ||
| شناسه دیجیتال (DOI): 10.22092/jaep.2018.109796.1158 | ||
| نویسندگان | ||
| زهرا معقولی فرد1؛ شهرام حسامی* 2؛ رسول مرزبان3؛ غلامرضا صالحی جوزانی4 | ||
| 11- دانشجوی PhD، گروه گیاهپزشکی، دانشکده کشاورزی، واحد علوم و تحقیقات فارس، دانشگاه آزاد اسلامی، فارس، ایران؛ 2- دانشجوی PhD، گروه گیاه پزشکی، دانشکده علوم کشاورزی، واحد شیراز، دانشگاه آزاد اسلامی، شیراز، ایران | ||
| 2استادیار، گروه گیاه پزشکی، دانشکده علوم کشاورزی، واحد شیراز، دانشگاه آزاد اسلامی، شیراز، ایران | ||
| 3دانشیار مؤسسه تحقیقات گیاهپزشکی، سازمان تحقیقات، آموزش و ترویج کشاورزی (AREEO)، تهران، ایران | ||
| 4استاد، بخش تحقیقات بیوتکنولوژی میکروبی، پژوهشکده بیوتکنولوژی کشاورزی ایران (ABRII)، سازمان تحقیقات، آموزش و ترویج کشاورزی (AREEO)، کرج، ایران | ||
| چکیده | ||
| در این تحقیق قدرت بیمارگری سه ویروس Spodoptera littoralis NPV، Helicoverpa armigera NPV و Spodoptera litura NPV در سه غلظت مختلف 10۲×6، 104×6 و ۱۰۶×۶ OB در میلیلیتر روی لاروهای ۵ روزه کرم برگخوار مصری پنبه (Spodoptera littoralis) در دمای ۲5 درجه سلسیوس روی غذای مصنوعی بررسی شد. بیشترین طول دوره لاروی با 19.7 روز مربوط به ویروس H. armigera در غلظت ۱۰۴×6 OB در میلیلیتر بود که با بقیه تیمارها اختلاف معنی دار داشت. در ویروس S. littoralis NPV در غلظت 104×6 OBدر میلیلیتر، کمترین درصد شفیره شدن (10 درصد) مشاهده شد. ویروس S. littoralis NPV در غلظتهای 10۲×6 و 10۴×6 OB در میلیلیتر کمترین وزن شفیرگی با 18.3 و 13.8 میلیگرم را داشت. در جدایه S. littoralis NPV، در غلظت ۱۰۴×۶ OB در میلیلیتر کمترین درصد خروج حشره کامل با 6.7 درصد مشاهده شد. مؤثرترین ویروس برای کنترل مراحل مختلف زیستی این آفت،S. littoralis NPV بود. LC50 جدایه S. littoralis NPV روی لاروهای ۵ روزه پروانه برگخوار مصری پنبه، ۱۰۲×7OB در میلیلیتر محاسبه شد. | ||
| کلیدواژهها | ||
| باکولوویروسها؛ قدرت بیمارگری؛ کرم برگخوار مصری پنبه؛ ویروسهای بیمارگر حشرات | ||
| عنوان مقاله [English] | ||
| Pathogenic effects of three Nucleopolyhedrovirus, Spodoptera littoralis NPV, Helicoverpa armigera NPV, Spodoptera litura NPV on life stages of Egyptian cotton leafworm Spodoptera littoralis | ||
| نویسندگان [English] | ||
| Z. MAGHOLIFARD1؛ SH. HESAMI2؛ R. MARZBAN3؛ GH. SALEHI JOUZANI4 | ||
| 1Department of Plant Protection, Faculty of Agricultural Sciences, Shiraz Branch, Islamic Azad University, Shiraz, Iran | ||
| 2Department of Entomology, Faculty of Agricultural Sciences, Shiraz branch, Islamic Azad University | ||
| 3Iranian Research Institute of Plant Protection (IRIPP) | ||
| 4Department of Microbial Biotechnology and Biosaftey , Agricultural Biotechnology Research Institute of Iran (ABRII) | ||
| چکیده [English] | ||
| In this study, pathogenicity of three virus isolates, Spodoptera littoralis NPV, Helicoverpa armigera NPV, Spodoptera litura NPV was evaluated in three different concentrations of 6× 102, 6× 104, 6×106 OBml-1 on 5-day-old larvae of Egyptian cotton leafworm, S. littoralis at 25 ˚C on artificial diet. The highest larval duration was observed in concentration of 6×104 OBml-1 H. armigera NPV with 19.7 days which had a significant difference with other treatments. S. littoralis NPV in concentrarion of 6×104 had the lowest percentage of pupal rate (10%) and lowest pupal weight in concentrarions of 6×102 and 6×104 OBml-1 (18.3 and 13.8 mg, respectively). The lowest adult emergence (6.7%) was observed in S. littoralis NPV isolate with 6×104 OBml-1 concentration. S. littoralis NPV was most effective virus for controlling various biological stages of this pest. The LC50 of S. littoralis NPV isolate on 5-day-old larvae of Egyptian cotton leafwormwas determined to be 7×102 OBmL-1 | ||
| کلیدواژهها [English] | ||
| Baculoviruses, Egyptian cotton leafworm, pathogenicity, Insect pathogenic viruses | ||
| مراجع | ||
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