Effects of sowing rate on morphological and yield-related traits in camelina: Determination of optimal sowing date

Document Type : Research Paper

Authors

Department of Plant Production and Genetics, School of Agriculture, Shiraz University, Shiraz, I. R. Iran

Abstract

Proper timing in planning for sowing dates and optimization of plant density are crucial for maximizing camelina (Camelina sativa (L.) Crantz) yields with great potential for enhancing food security and animal feed. This study aimed to evaluate how planting time and density affect camelina seed yield in southern Iran. A two-year field study was performed at Shiraz University, School of Agriculture, Iran, to examine five different sowing dates (10 November, 10 December, 10 January, 10 February, and 10 March) and eight sowing densities (3, 4, 5, 6, 7, 8, 9, and 10 kg ha-1). The results demonstrated significant impacts of sowing date and density on seed yield. This study showed that 10 January and 10 February were optimal sowing dates (687.9 ± 30 and 731.3 ± 40 kg ha-1, respectively), and the highest seed yield was obtained at a sowing density of 6 kg ha-1 (686.4 ± 30 kg ha-1). Plant height was influenced by the sowing date, while seed yield and yield components were affected by both the sowing date and density. This research highlights the importance of selecting optimal sowing dates and densities to maximize camelina yield in Fars Province, Iran. Further studies are necessary to investigate how these factors affect different camelina varieties in various regions of Iran, ultimately leading to the development of tailored cultivation practices for optimal yield and sustainability in camelina production.

Keywords

Main Subjects

Article Title [Persian]

اثر تراکم کاشت بر صفات مورفولوژیکی و عملکرد کاملینا: تعیین تاریخ کشت بهینه

Authors [Persian]

  • محمد ضیایی
  • روح اله نادری
  • بهرام حیدری
  • محسن عدالت
بخش ژنتیک و تولیدات گیاهی دانشکده کشاورزی دانشگاه شیراز، شیراز، ج. ا. ایران.
Abstract [Persian]

 
زمان‌بندی مناسب تاریخ کاشت و بهینه‌سازی تراکم بوته برای به حداکثر رساندن عملکرد گیاه کاملینا (Camelina sativa (L.) Crantz) به‌عنوان یک دانه روغنی با پتانسیل بالایی برای افزایش امنیت غذا و خوراک دام در ایران بسیار مهم است. این مطالعه با هدف بررسی تأثیر زمان و تراکم کاشت بر عملکرد دانه کاملینا در جنوب ایران انجام شد. یک مطالعه مزرعه ای دو ساله در دانشکده کشاورزی، دانشگاه شیراز، ایران انجام شد. تیمارها شامل پنج تاریخ کاشت مختلف (آبان، آذر، دی، بهمن، اسفند) و هشت تراکم کاشت (3، 4، 5، 6، 7، 8، 9 و 10 کیلوگرم در هکتار) بود. نتایج حاکی از تأثیر معنی دار تاریخ کاشت و تراکم بر عملکرد دانه بود. در این مطالعه دی ماه و بهمن ماه تاریخ کاشت بهینه بودند که بیشترین عملکرد دانه در تراکم کاشت 6 کیلوگرم در هکتار به دست آمد. ارتفاع بوته تنها تحت تأثیر تاریخ کاشت قرار گرفت، در حالی که عملکرد دانه و اجزای عملکرد تحت تأثیر تاریخ کاشت و تراکم قرار گرفتند. این تحقیق اهمیت انتخاب تاریخ و تراکم بهینه کاشت را برای به حداکثر رساندن عملکرد گیاه کاملینا در جنوب ایران نشان می دهد. مطالعات بیشتر برای بررسی چگونگی تأثیر این عوامل بر ارقام مختلف کاملینا در مناطق مختلف ایران ضروری است که در نهایت منجر به توسعه روش‌های کشت مناسب برای عملکرد بهینه و پایداری در تولید کاملینا می‌شود.

Keywords [Persian]

  • تولیدات گیاهی
  • دانه های روغنی
  • گیاهان با نیاز پایین

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Iran Agricultural Research
Volume 42, Issue 2
November 2023
Pages 84-92

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