نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری، گروه زراعت و اصلاح نباتات، دانشکدگان ابوریحان، دانشگاه تهران، تهران، ایران.

2 استادیار گروه زراعت و اصلاح نباتات، دانشکدگان ابوریحان، دانشگاه تهران، تهران، ایران.

3 دانشیار گروه زراعت و اصلاح نباتات، دانشکدگان ابوریحان، دانشگاه تهران، تهران، ایران.

4 استاد گروه زراعت و اصلاح نباتات، دانشکدگان ابوریحان، دانشگاه تهران، تهران، ایران.

5 استاد گروه مهندسی تولید و ژنتیک گیاهی، دانشکده علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی، کرمانشاه، ایران.

چکیده

به‌منظور ارزیابی اجزای عملکرد، عملکرد دانه و محتوای روغن لاین‌های گیاه روغنی کاملینا، آزمایشی در قالب طرح بلوک­های کامل تصادفی با 40 لاین هاپلوئید مضاعف و سه تکرار در مزرعه تحقیقاتی دانشکدگان ابوریحان- دانشگاه تهران، پاکدشت در سال زراعی 99-1398 اجرا شد. ازآنجایی‌که خصوصیات عملکردی و محتوای روغن لاین‌های گیاه کاملینا در شرایط آب‌وهوایی ایران ناشناخته است، در این پژوهش اجزای عملکرد دانه و هم‌چنین عملکرد و محتوای روغن 40 لاین هاپلوئید مضاعف کاملینا بررسی شد. نتایج این پژوهش نشان­دهنده تفاوت بسیار معنی‌دار ِلاین‌های کاملینا از نظر اجزای عملکرد بود که این تفاوت‌ها در نهایت منجر به ایجاد اختلاف‌های معنی‌دار در عملکرد دانه شد و از این طریق بر عملکرد روغن دانه تأثیر گذاشت. با وجود این‌که هیچ‌کدام از لاین‌ها در تمامی اجزای عملکرد دانه برتری مطلق نداشتند، اما از نظر عملکرد نهایی دانه لاین‌های 134 و 110  به‌ترتیب با 3178 و3120 کیلوگرم در هکتار به‌عنوان لاین‌های برتر شناسایی شدند. بنابراین با توجه به هدف این پژوهش به‌منظور انتخاب بهترین لاین کاملینا با حداکثر عملکرد دانه و روغن لاین‌های 134 و 110 به‌عنوان لاین‌های برتر و امیدبخش که با شرایط آب‌وهوایی منطقه پاکدشت سازگاری دارند، معرفی و توصیه شدند.

کلیدواژه‌ها

عنوان مقاله [English]

Evaluation of Seed Yield and Oil Content of 40 Camelina (Camelina sativa L.) Doubled Haploid Lines

نویسندگان [English]

  • Marjanossadat Hosseinifard 1
  • Majid Ghorbani Javid 2
  • Elias Soltani 3
  • Iraj Allah dadi 4
  • Danial Kahrizi 5

1 Ph.D. candidate, Department of Agronomy and Plant Breeding Sciences, College of Aburaihan, University of Tehran, Tehran, Iran.

2 Assistant Professor, Department of Agronomy and Plant Breeding Sciences, College of Aburaihan, University of Tehran, Tehran, Iran.

3 Associate Professor, Department of Agronomy and Plant Breeding Sciences, College of Aburaihan, University of Tehran, Tehran, Iran.

4 Professor, Department of Agronomy and Plant Breeding Sciences, College of Aburaihan, University of Tehran, Tehran, Iran.

5 Professor, Department of Plant Production Engineering and Genetics, Faculty of Agricultural Science and Engineering, Campus of Agriculture and Natural Resources, Razi University, Kermanshah, Iran.

چکیده [English]

In order to evaluate the yield components, seed yield, and oil content of Camelina doubled haploid lines, an experiment has been conducted based on a randomized complete block design with 40 doubled haploid lines (as treatments) and three replications in the research farm of College of Aburaihan- the University of Tehran, Pakdasht during 2020. Since the yield characteristics and oil content of Camelina lines are unknown in the Iranian climate, the study investigates seed yield components, as well as oil yield and oil content of 40 Camelina lines. The results show a very significant difference between Camelina lines in terms of yield components, which ultimately leads to significant differences in grain yield, thus affecting the grain oil yield. Although none of the lines has had absolute superiority in all components of grain yield, in terms of final grain yield, line of 134 with 3178 and line of 110 with 3120 kg/ha are identified as superior lines. Therefore, according to the purpose of this study, in order to select the best Camelina line with maximum grain and oil yield, 134 and 110 lines are introduced and recommended as superior and promising lines that are compatible with the climatic conditions of the Pakdasht region.  

کلیدواژه‌ها [English]

  • Compatibility
  • Genotypic differences
  • Oil percentages
  • oil seeds
  • Yield components
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