اثر تلقیح قارچ‌های میکوریزی بر رشد نونهال‌های محلب (Cerasus mahaleb (L.) Mill) در شرایط گلخانه‌ای

نوع مقاله: علمی- پژوهشی

نویسندگان

1 کارشناس ارشد جنگل‌شناسی و اکولوژی جنگل، دانشکده منابع طبیعی، دانشگاه تهران، کرج، ایران

2 دانشیار پژوهش، مؤسسه تحقیقات جنگلها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران

3 استادیار، گروه جنگل‌داری و اقتصاد جنگل، دانشکده منابع طبیعی، دانشگاه تهران، کرج، ایران

4 مربی پژوهش، مؤسسه تحقیقات جنگلها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران

چکیده

قارچ‌های میکوریز آربسکولار ازجمله میکروارگانیسم‌های خاکزی هستند که نقش مهمی در اکوسیستم‌های خشکی ایفا می‌کنند. آنها قادرند با افزایش سطح جذب ریشه گیاه، آب و عناصر معدنی را در اختیار گیاه قرار دهند و درنتیجه استقرار، رشد و زنده‌مانی گیاه را بهبود بخشند. در پژوهش پیش‌رو تأثیر قارچ‌های میکوریزی Glomus intraradices، G. mosseaeو G. hoiبر شاخص رویشی نونهال‌های محلب (Cerasus mahaleb (L.) Mill.) در شرایط گلخانه‌ای بررسی شد. به‌منظور تولید نونهال محلب، بذرهای آن از درختان مادری در منطقه چهارطاق اردل جمع‌آوری شد و پس از گذشت شش ماه، نونهال‌های میکوریزی و شاهد ارزیابی شدند. نتایج اندازه‌گیری کلنیزاسیون ریشه نشان داد که قارچ‌های G. intraradices و G. mosseae توانسته‌اند به‌خوبی با نونهال محلب همزیستی برقرار کنند و این قارچ‌ها اثر معنی‌داری بر تمام شاخص‌های رویشی به‌جز طول ریشه اصلی داشته‌اند و سبب افزایش رشد گیاه شده‌اند؛ درحالی‌که قارچ G. hoi بر شاخص‌های رویشی اثرگذار نبوده است و همزیستی ضعیفی را برقرار کرده است. درمجموع، در پژوهش پیش‌رو استفاده ازG. intraradicesو G.mosseae مثبت ارزیابی شد، بنابراین می‌توان تلقیح بذرهای محلب با این گونه‌های قارچی را به‌عنوان راهکاری مناسب و کاربردی برای افزایش رشد و استقرار نونهال‌های محلب به‌ویژه در عرصه‌های تخریب‌یافته زاگرس پیشنهاد داد.
 
 

کلیدواژه‌ها


عنوان مقاله [English]

Effect of mycorrhizal fungi inoculation on growth of mahaleb cherry (Cerasus mahaleb (L.) Mill.) seedlings in greenhouse condition

نویسندگان [English]

  • Negin Armand 1
  • Mohammad Matinizadeh 2
  • Anooshiravan Shirvany 3
  • Mostafa Khoshnevis 4
1 M.Sc. Silviculture and Forest Ecology, Faculty of Natural Resources, University of Tehran, Karaj, Iran
2 Associate Prof., Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran.
3 Assistant Prof., Department of Forestry and Forest Economics, Faculty of Natural Resources, University of Tehran, Karaj, Iran
4 Senior Research Expert, Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran
چکیده [English]

Arbuscular mycorrhizal fungi (AMF) are soil microorganisms that play an important role in ecosystem processes. They are able to increase the water uptake and mineral nutrients to the plant roots, and thus improve establishment, growth and survival of plants. Here, the effect of mycorrhizal fungi (Glomus intraradices, G. mosseae and G. hoi) on growth parameters of seedlings of mahaleb cherry (Cerasus mahaleb (L.) Mill.) under greenhouse condition were investigated.. To produce the Cerasus mahaleb seedlings, seeds of native trees were collected in Chahar Tagh- Ardal, Chaharmahall and Bakhtiari province. After one growth season, mycorrhizal and control seedlings were evaluated. Results of measurements on root colonization showed that fungal can establish well symbiosis with Cerasus mahaleb seedlings.. The results also revealed that mycorrhizal fungi significantly influenced all parameters except the length of main root and plant development, while G. hoi did not significantly affect the growth parameters and established a weakk symbiosis. Overall, using of G. intraradices and G. mosseae were assessed to be positive here, therefore it can bee applied as an appropriate way to increase the seedling growth and establishment in Cerasus mahaleb, particularly in the degraded areas of Zagros forests.
 

کلیدواژه‌ها [English]

  • Arbuscular mycorrhiza
  • Cerasus mahaleb
  • Growth parameters
  • mycorrhizal seedling

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