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تاثیر پرایمینگ و زمان پرایمینگ بر جوانه‌زنی و برخی صفات بیوشیمیایی کاملینا (Camelina sativa) رقم سهیل تحت تنش خشکی | ||
| علوم و فناوری بذر ایران | ||
| مقاله 6، دوره 14، شماره 1 - شماره پیاپی 38، فروردین 1404، صفحه 87-105 اصل مقاله (1.56 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijsst.2024.363685.1501 | ||
| نویسندگان | ||
| مهدی رزمخواه1؛ علی مرادی* 2؛ حجت اله لطیف منش2؛ حمیدرضا بلوچی2 | ||
| 1دانشجوی کارشناسی ارشد رشته علوم و تکنولوژی بذر دانشکده کشاورزی، دانشگاه یاسوج، ایران. | ||
| 2گروه زراعت و اصلاح نباتات، دانشکده کشاورزی، دانشگاه یاسوج، یاسوج، ایران. | ||
| چکیده | ||
| کاملینا (Camelina sativa) گیاهی روغنی یک‌ساله بوده و یکی از مهم‌ترین مشکلات زراعت آن برخورد مرحله جوانه‌زنی بذر و استقرار بذر با تنش خشکی می‌باشد. به همین دلیل استفاده از روش پرایمینگ بذر جهت سرعت بخشیدن به مرحله سبز شدن و استقرار به‌ویژه در شرایط تنش خشکی امری ضروری است. لذا این پژوهش با هدف بررسی تأثیر پرایمینگ و زمان پرایمینگ بر جوانه‌زنی و برخی صفات بیوشیمیایی کاملینا تحت تنش خشکی در آزمایشگاه زراعت و ژنتیک دانشکده کشاورزی دانشگاه یاسوج طی سال‌های 1400 تا 1401 انجام گردید. آزمایش به‌صورت فاکتوریل در قالب طرح کاملاً تصادفی با 4 تکرار انجام شد. عامل اول پرایمینگ با عصاره ریشه گیاه چاودار رقم دانکو در 3 سطح (صفر، 40 و 60 درصد)، عامل دوم زمان‌های پرایمینگ در سه سطح (صفر، 6 و 12 ساعت) و عامل سوم شامل تنش خشکی در 3 سطح (صفر، 3- و 6- بار) بود. بر اساس نتایج به‌دست آمده مشاهده گردید که تنش خشکی شاخص‌های بیوشیمیایی و جوانه‌زنی کاملینا را تحت تأثیر قرار داد و پیش تیمار با عصاره چاودار در غلظت 60 درصد به همراه پرایم در زمان 12 ساعت با بهبود برخی شاخص‌های بیوشیمیایی و جوانه‌زنی توانستند با تأثیر بر سامانه دفاع آنتی‌اکسیدانی غیرآنزیمی گیاه باعث افزایش تحمل گیاهچه‌های کاملینا تحت تنش خشکی شوند. نتایج آزمایش نشان می‌دهد که به‌کار بردن عصاره چاودار رقم دانکو با غلظت 60 درصد در زمان 12 ساعت ضمن بهبود ویژگی‌های فیزیکی بذر به جوانه‌زنی در شرایط بهینه و تنش خشکی کمک می‌نماید. | ||
| کلیدواژه‌ها | ||
| آلفا آمیلاز؛ تنش خشکی؛ پرایمینگ؛ چاودار؛ کاملینا | ||
| عنوان مقاله [English] | ||
| The effect of priming and priming time on germination and some biochemical traits of Camelina (Camelina sativa) Sohail cultivar under drought stress | ||
| نویسندگان [English] | ||
| Mehdi Razmkhah1؛ Ali Moradi2؛ Hojatollah Latifmanesh2؛ Hamidreza Balouchi2 | ||
| 1MSc student, Seed Science and Technology, Faculty of Agriculture, Yasouj University, Iran. | ||
| 2Department of Agronomy and Plant Breeding, Faculty of Agriculture, Yasouj University, Yasouj, Iran. | ||
| چکیده [English] | ||
| Camelina (Camelina sativa) is a one-year oil plant, one of the most important problems of its cultivation is the interaction of seed germination and seed establishment with drought stress. Use of herbal treatments such as rye plant extract can speed up them, especially in drought-stress conditions. Therefore, this research was conducted to investigate the effect of priming and priming time on germination and some biochemical traits of Camelina under drought stress in the Agriculture and Genetics Laboratory of Yasouj University from 2021 to 2022. The experiment was conducted as a factorial in a completely randomized design with 4 replications. The first factor was priming with Danko variety of rye plant root extract at 3 levels (zero, 40 and 60%), The second factor was priming times at three levels (zero, 6 and 12 hours) and the third factor included drought stress at three levels (zero, -3 and -6 times). Based on the obtained results, it was observed that drought stress affected the biochemical indicators and germination of Camelina and pre-treatment with rye extract at a concentration of 60% along with prime in 12 hours with the improvement of some biochemical indicators and germination were able to increase the tolerance of Camelina seedlings under drought stress by affecting the non-enzymatic antioxidant defense system of the plant. The results of the experiment show that using Danko variety of rye root extract with a concentration of 60% in 12 hours improves physical characteristics of the seed, helping germination in optimal and drought stress conditions. | ||
| کلیدواژه‌ها [English] | ||
| Alpha amylase, Camelina, Drought stress, Priming, Rye | ||
| مراجع | ||
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