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تأثیر محلول‌پاشی اسید سالیسیلیک و سلنیوم بر تحمل تنش شوری و عملکرد اسانس گیاه بادرشبویه (Dracocephalum moldavica L.) | ||
| تحقیقات گیاهان دارویی و معطر ایران | ||
| مقاله 8، دوره 34، شماره 6 - شماره پیاپی 92، بهمن و اسفند 1397، صفحه 963-975 اصل مقاله (259.39 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijmapr.2019.122015.2329 | ||
| نویسندگان | ||
| نسرین دانشور راد1؛ نورعلی ساجدی* 2؛ محمدرضا نائینی3 | ||
| 1دانش‌آموخته کارشناسی ارشد علوم باغبانی، مؤسسه آموزش عالی مهرگان، محلات، ایران | ||
| 2دانشیار، گروه زراعت و اصلاح نباتات، واحد اراک، دانشگاه آزاد اسلامی، اراک، ایران | ||
| 3استادیار، بخش تحقیقات علوم زراعی- باغی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان قم، سازمان تحقیقات، آموزش و ترویج کشاورزی، قم، ایران | ||
| چکیده | ||
| اسید سالیسیلیک و سلنیوم ترکیب‌هایی با خواص آنتی‌اکسیدانی هستند و باعث بهبود رشد گیاهان در شرایط تنش می‌شوند. به‌منظور بررسی تأثیر کاربرد اسید سالیسیلیک و سلنیوم بر برخی خصوصیات رویشی و زایشی، عملکرد اسانس و نسبت پتاسیم به سدیم در گیاه دارویی بادرشبویه (Dracocephalum moldavica L.) در شرایط تنش شوری، آزمایشی به‌صورت فاکتوریل در قالب طرح کاملاً تصادفی در 3 تکرار در شرایط گلخانه در سال 1394 انجام شد. عوامل مورد بررسی شامل کاربرد سلنیوم در سه سطح (عدم مصرف، محلول‌پاشی با غلظت 20 و 40 میلی‌گرم در لیتر)، کاربرد اسید سالیسیلیک در دو سطح (عدم مصرف و محلول‌پاشی با غلظت 0.5 میلی‌مولار) و شوری ناشی از کلرید سدیم در دو سطح (عدم شوری و شوری با غلظت 100 میلی‌مولار) بودند. نتایج نشان داد که تنش شوری صفات تعداد برگ فعال در بوته و ارتفاع بوته را کاهش و تعداد گل و عملکرد اسانس را افزایش داد. نتایج نشان داد که در شرایط تنش شوری، مصرف سلنیوم و اسید سالیسیلیک به‌تنهایی و به‌صورت توأم علاوه‌بر اینکه باعث کاهش اثرهای منفی ناشی از تنش شوری بر صفات ارتفاع بوته و تعداد برگ فعال شد، افزایش عملکرد اسانس را نیز در پی داشت. افزون بر آن، مصرف توأم این دو ماده در شرایط شوری باعث افزایش نسبت پتاسیم به سدیم در برگ نسبت به ریشه شد. نتایج کلی بیانگر این است که محلول‌پاشی توأم سلنیوم و اسید سالیسیلیک می‌تواند علائم تنش شوری را در گیاه بادرشبویه تعدیل نماید. | ||
| کلیدواژه‌ها | ||
| بادرشبویه (Dracocephalum moldavica L.)؛ برگ فعال؛ گیاه دارویی؛ نسبت پتاسیم/ سدیم | ||
| عنوان مقاله [English] | ||
| Effects of salicylic acid and selenium foliar application on salinity tolerance and essential oil yield of moldavian balm (Dracocephalum moldavica L.) | ||
| نویسندگان [English] | ||
| N. Daneshvar Rad1؛ N. Sajedi2؛ M.R. Naieni3 | ||
| 1M.Sc. Graduate of Horticultural Science, Institute of Higher Education Mehregan, Mahallat, Iran | ||
| 2Department of Agronomy and plant Breeding, Arak Branch, Islamic Azad University, Arak, Iran | ||
| 3Horticultural Crops Research Department, Qom Agricultural and Natural Resources Research and Education Center, Agriculture Research, Education and Extension Organization, Qom, Iran | ||
| چکیده [English] | ||
| Salicylic acid (SA) and selenium (Se) are compounds with antioxidant properties that cause improved plant growth under stress condition. In order to investigate the effects of salicylic acid and selenium application on some vegetative and reproductive traits, essential oil yield, and potassium to sodium ratio in roots and shoots of moldavian balm (Dracocephalum moldavica L.) under salinity stress conditions, an experiment was carried out as a factorial based on a completely randomized design with three replications in the green house of Agricultural and Natural Resources Research Center of Qom, Iran, 2015. The experimental treatments comprised three Se levels including 0, 20 and 40 mg/L, two SA levels including 0 and 0.5 mM and two salinity levels including 0 and 100mM NaCl. Results showed that salinity stress decreased the number of active leaves per plant and plant height. Salinity stress increased the number of flower per plant and essential oil yield. Results showed that, under salinity stress conditions, the application of Se and SA both alone or combined decreased the negative effect of salinity stress on the number of active leaves per plant and plant height, while increased the essential oil yield. Moreover, the foliar application of Se combined with SA increased the potassium to sodium ratio of leaves under salinity stress. In general, it could be stated that the foliar application of Se combined with SA could be used to relieve the effect of salinity stress in Moldavian balm. | ||
| کلیدواژه‌ها [English] | ||
| Dracocephalum moldavica L, active leaf, medicinal plant, K/Na ratio | ||
| مراجع | ||
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