اثر قارچ مایکوریزا بر ویژگی‌های مورفوفیزیولوژیکی ‏Teucrium chamaedrys L.‎‏ در شرایط تنش ‏شوری

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد، دانشکده کشاورزی، دانشگاه زنجان، زنجان، ایران

2 استادیار، دانشکده کشاورزی، دانشگاه زنجان، زنجان، ایران

چکیده

Teucrium chamaedrys L. متعلق به تیره نعناع است و علاوه بر اینکه به­عنوان یک گیاه پوششی زینتی در فضای سبز می­تواند کاربرد داشته باشد، دارای خاصیت دارویی نیز می­باشد. این پژوهش گلخانه‌ای به صورت فاکتوریل در قالب طرح کاملاً تصادفی به‌منظور بررسی اثر قارچ مایکوریزا (عدم­ تلقیح، تلقیح با سویهFunneliformis mosseaeو تلقیح با سویه Rhizophagus intraradices بر ویژگی‌های مورفوفیزیولوژیکی T. chamaedrys L. در شرایط تنش شوری (صفر، 60 و 120 میلی‌مولار کلرید­ سدیم) با چهار تکرار اجرا شد. در شرایط تنش شوری، کاربرد قارچ مایکوریزا رشد ریشه، میزان کلروفیل، پرولین و میزان فسفر برگ‌ها را افزایش و میزان سدیم و نشت الکترولیت برگ‌ها را کاهش داد. بیشترین میزان وزن خشک ریشه (53/44 گرم) مربوط به شوری 60 میلی‌مولار با کاربرد قارچ F. mosseae بود. در تیمار 120 میلی مولار کلرید سدیم، کاربرد  F. mosseae وزن خشک برگ‌ها را 7/12 درصد نسبت به گیاهان تلقیح نشده افزایش داد. بیشترین میزان سدیم (97/11 mg/g) در تنش شوری 120میلی­مولار بدون تلقیح قارچ مشاهده شد. گیاهانی که در شرایط بدون تنش با قارچ F. mosseae تلقیح شده بودند بیشترین میزان فسفر برگ (99/23 mg/g) را نشان دادند.در تمام سطوح شوری بین دو گونه­ی F. mosseae و R. intraradices تفاوت معنی‌داری در صفات کلروفیل، پرولین و نشت الکترولیت مشاهده نشد. نتایج نشان داد استفاده از هر دو گونه قارچ F. mosseae و R. intraradices سبب بهبود تحمل به شوری T. chamaedrys می‌شود و این اثر با کاربردF. mosseaeتشدید می­گردد.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of mycorrhizal fungi on morphophysiologycal traits of Teucrium chamaedrys ‎L. under salt stress conditions

نویسندگان [English]

  • Bita Dianati 1
  • Masoud Arghavani 2
  • Azizollah Kheiry 2
  • Setareh Amanifar 2
1 M.Sc. Student, Faculty of Agriculture, University of Zanjan, Zanjan, Iran
2 Assistant Professor, Faculty of Agriculture, University of Zanjan, Zanjan, Iran
چکیده [English]

Teucrium chamaedrys L. belongs to Lamiaceae family and besides its usage as a ground cover plant in landscape, it has medicinal properties as well. This greenhouse study was carried out in a factorial experiment based on completely randomized design with four replications to evaluate the effects of mycorrhizal fungi (non-inoculated, inoculated with Funneliformis mosseae, inoculated with Rhizophagus intraradices) on morphophysiological responses of T. chamaedrys L. under salinity stress (0, 60 and 120 mM NaCl). Under salinity conditions, application of mycorrhizal fungi increased root growth, chlorophyll, proline and phosphorus content and reduced electrolyte leakage and sodium content. The highest dry weight of root (44.53 g) was observed in 60 mM salinity using F. mosseae. In 120 mM salinty treatment, applicatin of F. mosseae caused 12.7 percent increas inleaf dry weight compared to non-inoculated plants. The highest sodium content (11.97 mg /g) was detected in 120 mM salinity treatment without inoculation. Non-stressed plants that inoculated with F. mosseae showed the maximum amount of phosphorus (23.98 mg /g). There was no significant difference between F. mosseae and R. intraradices treatments in chlorophyll, proline and ion leakage in all salinity levels. The results clarify that application of both F. mosseae and R. intraradices were beneficial for T. chamaedrys tolerance to salinity stress and this effect was more pronounced with F. mosseae.

کلیدواژه‌ها [English]

  • Biofertilizer
  • ground cover plant
  • sodium chloride‎
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