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تنوع زیستی و همزیستی قارچهای میکوریز با درختان بادام (.Amygdalus sp) در جنگل‌‌های زاگرس، استان ایلام | ||
| تحقیقات جنگل و صنوبر ایران | ||
| مقاله 4، دوره 30، شماره 3 - شماره پیاپی 89، آذر 1401، صفحه 241-256 اصل مقاله (552 K) | ||
| نوع مقاله: علمی- پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijfpr.2022.360138.2069 | ||
| نویسندگان | ||
| مریم کاظم زاده1؛ جواد میرزایی* 2؛ ناهید جعفریان3 | ||
| 1دانشجوی کارشناسی ارشد جنگل‌داری، گروه علوم جنگل، دانشکده کشاورزی، دانشگاه ایلام، ایلام، ایران | ||
| 2نویسنده مسئول، دانشیار، گروه علوم جنگل، دانشکده کشاورزی، دانشگاه ایلام، ایلام، ایران. | ||
| 3دانشجوی دکتری علوم زیستی جنگل، گروه علوم جنگل، دانشکده کشاورزی، دانشگاه ایلام، ایلام، ایران | ||
| چکیده | ||
| همزیستی قارچهای میکوریزی با ریشه گیاهان، یکی از مهم‌ترین روابط همزیستی در خاک است. در این پژوهش، تنوع زیستی و همزیستی قارچهای میکوریزی آربوسکولار (AMF) با ریشه درختان بادام بیبرگ (Amygdalus arabica Olivier)، تنگرس (A. lycioides Spach)، بادام برگ‌سنجدی (A. elaeagnifolia Spach) و بادام شرقی (.A. orientalis Mill) در سه رویشگاه در استان ایلام بررسی شدند. پس از نمونه‌گیری از عمق صفر تا 30 سانتی‌متری خاک، اسپورهای قارچهای میکوریز به‌روش الک مرطوب جدا شدند و قارچ‌ها براساس خصوصیات ریخت‌شناختی اسپور شناسایی شدند. براساس نتایج به‌دست‌آمده، 34 گونه AMF متعلق به 10 جنس مختلف وجود داشتند. بیشترین تنوع زیستی این قارچ‌ها (28 گونه) در بادام بیبرگ مشاهده شد. همچنین، 19 گونه AMF در بادام برگ‌سنجدی، 25 گونه در بادام شرقی و 26 گونه در تنگرس شناسایی شدند. بیشترین میانگین فراوانی نسبی در بین جنس‌ها و گونه‌های قارچ همزیست با جنس بادام به‌ترتیب متعلق به Glomus با 49 درصد و G. nanolumen با 21 درصد بودند. تراکم اسپورهای AMF، غنای گونهای و شاخص تنوع شانون- وینر آن‌ها بین گونه‌های مختلف بادام، اختلاف معنی‌‌داری داشتند. به‌طوری‌که بیشینه هر سه شاخص مذکور در بادام بیبرگ مشاهده شد. همچنین، تراکم اسپور با مقدار فسفر و درصد شن خاک، همبستگی منفی و با درصد رس خاک، همبستگی مثبت نشان داد. | ||
| کلیدواژه‌ها | ||
| غنای گونهای؛ قارچهای میکوریز آربوسکولار؛ کلنیزاسیون؛ منطقه نیمه‌خشک | ||
| عنوان مقاله [English] | ||
| Biodiversity and symbiosis of mycorrhizal fungi with almond trees (Amygdalus sp.) in Zagros forests, Ilam province | ||
| نویسندگان [English] | ||
| M Kazemzade1؛ J. Mirzaei2؛ N. Jafarian3 | ||
| 1M.Sc. Student, Department of Forest Science, Faculty of Agriculture, Ilam University, Ilam, Iran | ||
| 2Corresponding author, Associate Prof., Department of Forest Science, Faculty of Agriculture, Ilam University, Ilam, Iran | ||
| 3Ph.D. Student of Forest Biology, Department of Forest Science, Faculty of Agriculture, Ilam University, Ilam, Iran | ||
| چکیده [English] | ||
| The symbiosis of mycorrhizal fungi with plant roots is one of the most important symbiotic relationships in soil. In this study, biodiversity and symbiosis of arbuscular mycorrhizal fungi (AMF) with Amygdalus arabica Olivier, A. lycioides Spach, A. elaeagnifolia Spach and A. orientalis Mill. were investigated in three sites in Ilam province. After extracting soil samples from a depth of 0-30 cm, spores of mycorrhizal fungi were separated by the wet sieving method and the fungi were identified based on the morphological characteristics of the spores. The results revealed 34 different species of AMF belonging to 10 different genera. The highest biodiversity of fungi (28 species) was observed in A. arabica. In addition, 19 AMF species in A. elaeagnifolia, 25 in A. orientalis and 26 in A. Lycioides were identified. Moreover, the lomus with 49% and G. nanolumen with 21% were of the highest relative frequency of AMF genus and species among all the tree species, respectively. Significant differences were observed between Amygdalus species in terms of spore density, species richness and Shannon–Wiener diversity index of AMF. So that most of the three indices were observed in A. arabica. Also, spore density showed a negative correlation with soil sand percentage and phosphorus amount, as well as a positive correlation with soil clay percentage. | ||
| کلیدواژه‌ها [English] | ||
| Arbuscular mycorrhizal fungi, colonization, semi-arid region, species richness | ||
| مراجع | ||
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