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

نوع مقاله : مقاله پژوهشی

نویسندگان

بخش ژنتیک و تولیدات گیاهی دانشکده کشاورزی دانشگاه شیراز، شیراز، ج. ا. ایران.

چکیده

 
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.

کلیدواژه‌ها

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