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مطالعه تأثیر کاربرد سلنیوم بر جوانه‌زنی بذر و رشد اولیه‌ی گیاهچه‌های سه گیاه دارویی بالنگوی شهری، قدومه و کاسنی تحت تنش شوری | ||
| علوم و فناوری بذر ایران | ||
| مقاله 5، دوره 10، شماره 4 - شماره پیاپی 24، آذر 1400، صفحه 69-84 اصل مقاله (303.83 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijsst.2021.352376.1369 | ||
| نویسندگان | ||
| معصومه عامریان* 1؛ علی رضا خسروی2 | ||
| 1اســتادیار، گــروه مهندســی تولیــد و ژنتیــک گیاهــی، دانشــکده علــوم و مهندســی کشــاورزی، دانشــگاه رازی، کرمانشــاه، ایــران | ||
| 2کارشناسی تولیدات گیاهی-گیاهان دارویی و معطر، گروه مهندسی تولید و ژنتیک گیاهی، دانشکده علوم و مهندسی کشاورزی، دانشگاه رازی، کرمانشاه، | ||
| چکیده | ||
| به‌منظور بررسی تأثیر شوری و سلنیوم بر جوانه‌زنی بذر سه گیاه دارویی بالنگوی شهری، قدومه و کاسنی پژوهشی به‌‌صورت آزمایش فاکتوریل بر پایه‌ی طرح کاملاً تصادفی با دو عامل شامل سطوح مختلف شوری و سلنیوم در سه تکرار اجرا شد. عامل اول شامل سطوح صفر، 2، 4، و 8 میلی‌مولار کلرید سدیم و عامل دوم سطوح صفر، 5، 10 و 20 میلی‌گرم بر لیتر سلنات‌سدیم بود. نتایج نشان داد، بر خلاف سلنیوم، شوری درصد جوانه‌زنی، شاخص‌های جوانه‌زنی و رشد اولیه را در هر سه گیاه دارویی مورد مطالعه کاهش داد. درصد جوانه‌زنی قدومه 40 %، کاسنی 1/49% و بالنگوی شهری 5/52% بود که بیانگر حساسیت بیش‌تر قدومه نسبت به تنش شوری است، درحالیکه بالنگوی شهری تحمل بیشتری نسبت به تنش شوری نشان داد. با افزایش غلظت سلنیوم طول گیاهچه در هر سه گیاه دارویی مورد مطالعه نسبت به شاهد افزایش یافت. بیش‌ترین طول گیاهچه (20 میلی‌متر) در تیمار 20 میلی‌گرم سلنات‌سدیم همراه با غلظت 8 میلی‌مولار کلرید سدیم در قدومه مشاهده گردید و کم‌ترین طول گیاهچه در کاسنی (2/6 میلی‌متر) و در تیمار صفر میلی‌گرم سلنات‌سدیم همراه با غلظت 8 میلی‌مولار کلرید سدیم بود. به‌طور کلی می‌توان نتیجه گرفت سلنیوم (در سطح 20 میلی‌گرم سلنات‌سدیم) می‌تواند میزان جوانه‌زنی بذر و رشد دانهال هر سه گیاه دارویی را تحت شرایط تنش شوری افزایش دهد. | ||
| کلیدواژه‌ها | ||
| درصد جوانه‌زنی؛ سلنات سدیم؛ کلرید سدیم؛ شاخصه‌های جوانه‌زنی | ||
| عنوان مقاله [English] | ||
| Study of the effect of selenium application on seed germination and initial growth of seedlings of three medicinal plants of dragons head, alyssum and chicory under salt stress | ||
| نویسندگان [English] | ||
| Masoomeh Amerian1؛ Ali Reza Khosravi2 | ||
| 1Assistant Professor, Department of Production Engineering and Plant Genetics, Faculty of Science and Agriculture Engineering, Razi University, Kermanshah, Iran | ||
| 2Undergraduate Plant Production-Medicinal and Aromatic plant, Department of Production Engineering and Plant Genetics, Faculty of Science and Agricultural Engineering,, Razi University, Kermanshah, Iran | ||
| چکیده [English] | ||
| In order investigate the effect of salinity and selenium on seed germination of three medicinal plants dragons head, alyssum and chicory, this study was performed as a factorial experiment based on a complete randomized design with two factors including different levels of salinity and selenium in three replications. The first factor included 0, 2, 4, and 8 mM NaCl and the second factor was 0, 5, 10, and 20 mg L-1 sodium selenate levels. Unlike selenium, salinity reduced germination percentage, germination characteristics and initial growth in all three medicinal plants. The germination percentage of chicory was 40%, alyssum was 49.1% and dragons head was 52.5%, which indicates that chicory is more sensitive to salinity stress, while dragons head showed more tolerance to salinity stress. With increasing selenium concentration, seedling length in all three medicinal plants increased compared to the control. The highest seedling length (20 mm) was observed in treatment 20 mg L-1 sodium selenate with a concentration of 8 mM NaCl in alyssum. The lowest seedling length was in chicory (6.2 mm) and in 0 mg L-1 sodium selenate treatment with 8 mM NaCl. The use of selenium can improve germination characteristics and to some extent reduce the effects of salinity stress. In general, it can be concluded that selenium (at the level of 20 mg L-1 of sodium selenate) can increase seed germination and seedling growth of all three medicinal plants under salinity stress. | ||
| کلیدواژه‌ها [English] | ||
| Germination percentage, Sodium selenate, NaCl, Germination characteristics | ||
| مراجع | ||
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