Physico-Chemical Evaluation of Some Wormwood (Artemisia absinthium L.) Ecotypes Under Salt Stress Condition

Document Type : Research Paper


1 Department of Horticultural Science, Faculty of Agriculture, Karaj Branch, Islamic Azad University, Karaj, Iran

2 Department of Horticultural Science, Faculty of Agriculture, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran


The physiological and biochemical responses of three ecotypes of Artemisia absinthium L. from Iran were evaluated under salinity conditions. Salinity treatments were made by NaCl with EC of 0, 5, 10 and 15 dS/m.   Physiological and biochemical attributes were measured 30 days after the salt treatments imposed. Highest reduction in the shoot and root fresh weights was observed in the ecotypes of East Azarbaijan and Guilan at 10 and 15 dS/m salinity levels. The ecotype of Semnan was affected lesser by the same salinity levels than the control. Total chlorophyll showed a significant decrease at all salinity levels in all ecotypes. But the ecotype of East Azarbaijan showed a higher reduction at 10 and 15 dS/m salinity. Increasing the concentration of exterior salt led to increase the Na+ and Cl concentrations in leaves, stems and roots. The highest Na accumulation in stems was found in the ecotype of East Azarbaijan at 10 and 15 dS/m.   The highest proline was detected in the ecotype of Semnan. The results indicated that there was different responses to salinity among the studied Artemisia absinthium ecotypes. The ecotypes of Semnan and Guilan were more salt tolerant than the East Azarbaijan ecotype. The relative tolerance of the ecotype of Semnan was due to the high amount of output capacity of Na+, Ca2+ concentration, as well as its proline content.


Article Title [Persian]

ارزیابی فیزیکی-شیمیایی برخی اکوتیپ‌های افسنطین (Artemisia absinthium L.) در شرایط تنش شوری

Authors [Persian]

  • رعنا شریفی وش 1
  • مجید شکرپور 2
1 دانشکده کشاورزی دانشگاه آزاد اسلامی، واحد کرج
2 گروه علوم باغبانی و فضای سبز، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج
Abstract [Persian]

پاسخ­های فیزیولوژیک و بیوشیمیایی سه اکوتیپ افسنطین در شرایط تنش شوری مورد ارزیابی قرار گرفت. تیمارهای شوری متشکل از محلول NaCl با هدایت الکتریکی 0، 5، 10 و 15 دسی­زیمنس بر متر بودند. یک ماه پس از اعمال تیمارهای شوری، ویژگی­­های فیزیولوژیک و بیوشیمیایی اندازه­گیری شد. بیشترین کاهش وزن تر اندام هوایی و ریشه در اکوتیپ­های آذربایجان­شرقی و گیلان در سطوح شوری 10 و 15 دسی­زیمنس ­بر متر مشاهده شد. اکوتیپ سمنان در شرایط شوری در مقایسه با شاهد کمتر تحت تاثیر قرار گرفت. کاهش معنی­دار کلروفیل کل در کلیه سطوح شوری و در همه اکوتیپ­ها مشاهده شد. با وجود این، اکوتیپ آذربایجان­شرقی کاهش بیشتری در سطوح 10 و 15 دسی زیمنس بر متر داشت. افزایش غلظت نمک خروجی (دفع شده از گیاه) منجر به افزایش غلظت یون­های سدیم و کلر در سطح برگ، ساقه و ریشه شد. بیشترین تجمع سدیم در ساقه­های اکوتیپ آذربایجان­شرقی در شوری 10 و 15 دسی زیمنس بر متر به دست آمد. اکوتیپ سمنان دارای بیشترین مقدار پرولین بود. نتایج این مطالعه حاکی از پاسخ­های متفاوت شوری در بین اکوتیپ­های افسنطین بود. به طوری که اکوتیپ­های سمنان و گیلان متحمل­تر از اکوتیپ آذربایجان شرقی به شوری بودند. تحمل نسبی اکوتیپ سمنان به واسطه میزان زیاد پرولین و ظرفیت خروج یون­های سدیم و کلر بود.


Keywords [Persian]

  • افسنطین
  • پرولین
  • شوری
  • محتوای یونی
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