نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه مهندسی تولید و ژنتیک گیاهی، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی، کرمانشاه، ایران. رایانامه: nasrin.teimoori@razi.ac.ir

2 نویسنده مسئول، گروه مهندسی تولید و ژنتیک گیاهی، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی، کرمانشاه، ایران. رایانامه: ghobadi.m@razi.ac.ir

3 گروه مهندسی تولید و ژنتیک گیاهی، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی، کرمانشاه، ایران. رایانامه: dkahrizi@razi.ac.ir 4. گروه بیوتکنولوژی کشاورزی، دانشکده کشاورزی، دانشگاه تربیت مدرس، تهران، ایران. رایانامه: dkahrizi@razi.ac.ir

چکیده

هدف: این پژوهش با هدف بررسی تأثیر محلول‌پاشی سیلیکون در افزایش تحمل به خشکی در گیاه کاملینا اجرا شد.
روش پژوهش: آزمایش به‌صورت فاکتوریل بر پایه طرح بلوک­های کامل تصادفی با سه تکرار در شرایط گلدانی اجرا گردید. تیمارهای آزمایش دو ژنوتیپ کاملینا (رقم سهیل و لاین-84)، تیمار خشکی (دو سطح تنش خشکی و بدون تنش خشکی) و محلول‌پاشی برگی سیلیکات‌سدیم (پنج سطح صفر، 2، 4، 6 و 8 میلی‌مولار) بودند.
یافته­ ها: نتایج نشان داد که خشکی باعث کاهش صفات عملکرد دانه، اجزای آن و صفات مورفولوژیک هر دو ژنوتیپ کاملینا شد. تنش خشکی وزن دانه در بوته در رقم سهیل و لاین-84 را به‌ترتیب 27 و 39 درصد کاهش داد. محلول‌پاشی برگی سیلیکون در افزایش عملکرد و اجزای عملکرد مؤثر بود. به‌طور میانگین، محلول‌پاشی سیلیکون در غلظت‏ 6 میلی‌مولار نسبت به تیمار شاهد باعث افزایش در صفات وزن دانه در بوته (04/13 درصد)، شاخص برداشت (1/12 درصد) و تعداد خورجین در بوته (7 درصد) شد. در تجزیه همبستگی مشخص شد که در بین اجزای عملکرد دانه، بالاترین ضریب همبستگی مثبت با وزن دانه در بوته به صفت تعداد خورجین در بوته (941/0) تعلق داشت.
نتیجه ­گیری: به‌طور کلی، به‌نظر می‏رسد که در گیاه کاملینا محلول‌پاشی سیلیکون با غلظت 6 میلی‏مولار می­تواند در افزایش تحمل به خشکی مؤثر باشد.

کلیدواژه‌ها

عنوان مقاله [English]

The Effect of Silicon Foliar Application on Some Agronomic Traits of Camelina under Drought Stress Conditions

نویسندگان [English]

  • Nasrin Teimoori 1
  • Mokhtar Ghobadi 2
  • Danial Kahrizi 3

1 Department of Plant Production and Genetics, Campus of Agriculture and Natural Resources, Razi University, Kermanshah, Iran. E-mail: nasrin.teimoori@razi.ac.ir

2 Corresponding Author, Department of Plant Production and Genetics, Campus of Agriculture and Natural Resources, Razi University, Kermanshah, Iran. E-mail: ghobadi.m@razi.ac.ir

3 Department of Plant Production and Genetics, Campus of Agriculture and Natural Resources, Razi University, Kermanshah, Iran. E-mail: dkahrizi@razi.ac.ir 4. Agricultural Biotechnology Department, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran. E-mail: dkahrizi@razi.ac.ir

چکیده [English]

Objective: The research aimed to investigate the effect of silicon foliar spraying in increasing drought tolerance in Camelina.
Methods: The experiment was conducted as a factorial based on a randomized complete blocks design with three replications in a pot experiment. The treatments included two Camelina genotypes (Sohail cultivar and line-84), drought treatments (at two levels: without and with drought stress) and foliar spraying of sodium silicate (at five levels: 0, 2, 4, 6 and 8 mM).
Results: The results showed that drought stress decreased grain yield, yield components, and morphological traits of both Camelina genotypes. Drought stress reduced the grain weight per plant of the Sohail cultivar and Line-84 by about 27 and 39%, respectively. Foliar application of silicon effectively increased yield and yield components. On average, foliar spraying of 6 mM silicon compared to the control treatment caused an increase in the traits of grain weight per plant (13.04%), harvest index (12.1%), and the number of siliques per plant (7%). In the correlation analysis, it was found that among the grain yield components, the highest positive correlation coefficient with the grain weight per plant belonged to the number of siliques per plant (0.941).
Conclusion: Overall, it seems that foliar application of 6 mM silicon can be effective in increasing drought tolerance in Camelina.

کلیدواژه‌ها [English]

  • Oilseed crop
  • Sodium silicate
  • The number of branches
  • The number of siliques
  • Total dry matter
حسینی فرد، مرجان السادات؛ قربانی جاوید، مجید؛ سلطانی، الیاس؛ اله دادی، ایرج و کهریزی، دانیال (1401). بررسی عملکرد دانه و محتوای روغن 40 لاین هاپلوئید مضاعف کاملینا (Camelina sativa L.). به زراعی کشاورزی. 24(2)، 497-509. doi: 10.22059/jci.2021.331945.2622
خزاعی، حمید رضا؛ پارسا، مهدی و حسین پناهی، فرزاد (1387). اثرات تلقیح نژاد­های بومی ریزوبیوم بر گره زایی ژنوتیپ­های دسی و کابلی نخود تحت رژیم­های مختلف رطوبتی در مرحله رویشی (Cicer arietinum L.). مجله پژوهش­های زراعی ایران. جلد 6(1)، 189-97.
کهریزی، دانیال؛ کاظمی تبار، سید کمال؛ سورنی، جهاد؛ رستمی احمدوندی، حسین؛ فلاح، فرشاد؛ اکبرآبادی، علی؛ رضیئی، زهرا و بخشم، مهرانگیز (1395، شهریور). معرفی گیاه روغنی- دارویی کاملینا برای شرایط دیم در ایران. اولین همایش ملی تأثیر تغییرات اقلیمی بر تولیدات گیاهی. ساری. ایران.
وزارت جهاد کشاورزی (1401). آمارنامه کشاورزی، جلد اول، محصولات زراعی. تهران: وزارت جهاد کشاورزی، 100 صفحه.
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