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تأثیر پرایمینگ و روش خشککردن بذر در آزمایشگاه بر جوانهزنی و برخی صفات بیوشیمیایی کاملینا (Camelina sativa L.) رقم سهیل تحت دمای پایین | ||
| علوم و فناوری بذر ایران | ||
| مقاله 5، دوره 15، شماره 3 - شماره پیاپی 43، شهریور 1405، صفحه 75-90 اصل مقاله (697.42 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijsst.2025.363417.1500 | ||
| نویسندگان | ||
| زهرا کرمی1؛ علی مرادی* 2؛ حجت اله لطیف منش3؛ حمیدرضا بلوچی4 | ||
| 1دانشجوی کارشناسی ارشد رشته علوم و تکنولوژی بذر دانشکده کشاورزی، دانشگاه یاسوج، یاسوج، ایران. | ||
| 2دانشیار گروه زراعت و اصلاح نباتات دانشکده کشاورزی، دانشگاه یاسوج، یاسوج، ایران. | ||
| 3استادیار گروه زراعت و اصلاح نباتات دانشکده کشاورزی، دانشگاه یاسوج، یاسوج، ایران. | ||
| 4استاد گروه زراعت و اصلاح نباتات دانشکده کشاورزی، دانشگاه یاسوج، یاسوج، ایران. | ||
| چکیده | ||
| یکی از مهمترین مشکلات کاملینا در مناطق سردسیر، برخورد مرحله جوانهزنی بذر و استقرار با تنش سرما میباشد، استفاده از فناوری پرایمینگ بذر در این رابطه میتواند موثر باشد. با هدف بررسی تأثیر پرایمینگ و روشهای خشک کردن بذر بر جوانهزنی و برخی صفات بیوشیمیایی کاملینا تحت دمای پایین پژوهشی در آزمایشگاه زراعت و ژنتیک دانشکده کشاورزی دانشگاه یاسوج طی سالهای 1401-1400 انجام گردید. آزمایش بهصورت اسپلیت فاکتوریل در قالب طرح کاملاً تصادفی با 4 تکرار انجام شد که پلات اصلی شامل دمای پایین در چهار سطح (5، 10، 15 و 20 درجه سلسیوس)، عامل فرعی شامل هورمون پرایمینگ با استفاده از هورمونهای اسید سالیسیلیک (در چهار سطح 25/0، 5/0، 75/0و1 میلیمولار) و اسید جیبرلیک (در سه سطح 50، 100و150 میلی گرم برلیتر) و روش خشک کردن بذرهای پرایم شده در دو سطح (روش سریع و معمولی) انجام شد. بر اساس نتایج به دست آمده مشاهده گردید که روش خشک کردن و نیز پیش تیمار پرایمینگ توانست شاخصهای بیوشیمیایی و جوانهزنی کاملینا را تحت تأثیر قرار دهد. در اغلب دماهای مورد بررسی پیش تیمار با اسید جیبرلیک با غلظتهای 100 و 150 میلیگرم بر لیتر به همراه روش خشک کردن آهسته بیشترین میزان پرولین را داشتند وتوانستند باعث بهبود شاخصهای جوانهزنی بذر کاملینا شوند. بیشترین تأثیرگذاری را در میان تیمارهای خشک کردن نیز روش خشک کردن معمولی (آهسته) داشت. بر اساس نتایج آزمایش میتوان اظهار داشت بهکارگیری پیش تیمار با هورمون ضمن بهبود ویژگیهای فیزیکی بذر کاملینا به جوانهزنی در شرایط بهینه و دمای پایین کمک مینماید. | ||
| کلیدواژهها | ||
| اسید سالیسیلیک؛ پیش تیمار کردن بذر؛ دمای پایه؛ روش خشککردن؛ کاملینا | ||
| عنوان مقاله [English] | ||
| Effect of seed priming and drying method in laboratory on germination and some biochemical traits of Camelina sativa L. Sohail cultivar under low temperature | ||
| نویسندگان [English] | ||
| zahra karami1؛ Ali Moradi2؛ Hojatollah Latifmanesh3؛ Hamidreza Balouchi4 | ||
| 1MSc student, Seed Science and Technology, Faculty of Agriculture, Yasouj University, Iran. | ||
| 2Associate Prof., Dept. of Agronomy and Plant Breeding, Faculty of Agriculture, Yasouj University, Yasouj, Iran. | ||
| 3Assistant Prof. Dept. of Agronomy and Plant Breeding, Faculty of Agriculture, Yasouj University, Yasouj, Iran. | ||
| 4Professor, Dept. of Agronomy and Plant Breeding, Faculty of Agriculture, Yasouj University, Yasouj, Iran. | ||
| چکیده [English] | ||
| One of the most important problems of camelina in cold regions is the interaction of seed germination stage and establishment with cold stress, the use of seed priming technology can be effective in this regard. This study aimed to investigate the effect of priming and drying methods on germination and some biochemical characteristics of camelina under low temperature,, research was carried out in the Agronomy and Genetics Laboratory of the Faculty of Agriculture of Yasouj University during 2021-2022. A split factorial experiment was conducted in a completely randomized design with four replications in which the main plot consisted of low temperature at four levels (5, 10, 15 and 20 °C), a sub-factor including priming hormone using salicylic acid (0.25, 0.5, 0.75 and 1 mM) and gibberellic acid (at three levels of 50, 100 and 150 mg/L) and drying method for primed seed was done in two levels (rapid and normal method). It was observed that the drying method and priming treatment affected the biochemical and germination parameters of Camellina. In most of the studied temperatures, priming with gibberellic acid with concentrations of 100 and 150 mg/L with slow drying method had the highest proline content and could improve germination indices of Camellia seed. The most effective method was normal (slow) drying method among drying treatments. Based on the results of the experiment, it can be stated that applying priming with hormones while improving the physical characteristics of the Camellia seed, helps germination under optimum conditions and low temperature. | ||
| کلیدواژهها [English] | ||
| Base temperature, Camelina, Drying method, Salicylic acid, Seed priming | ||
| مراجع | ||
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