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اثر عصاره مرزنجوش و آویشن‌کوهی بر عملکرد، اجزای عملکرد و آنزیم‌های آنتی‌اکسیدانی کنجد تحت شرایط تنش کم‌آبی | ||
| به زراعی کشاورزی | ||
| مقاله 3، دوره 21، شماره 2، تیر 1398، صفحه 149-166 اصل مقاله (1.51 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/jci.2019.268418.2107 | ||
| نویسندگان | ||
| زهره انصار* 1؛ مهدی برادران فیروزآبادی2؛ سراله گالشی3؛ احمد غلامی2؛ مهدیه پارساییان4 | ||
| 1دانشجوی دکتری، گروه زراعت، دانشکده کشاورزی، دانشگاه صنعتی شاهرود، سمنان، ایران | ||
| 2دانشیار، گروه زراعت، دانشکده کشاورزی، دانشگاه صنعتی شاهرود، سمنان، ایران | ||
| 3استاد، گروه زراعت، دانشکده تولیدات گیاهی، دانشگاه کشاورزی و منابع طبیعی گرگان، گرگان، ایران | ||
| 4استادیار، گروه زراعت، دانشکده کشاورزی، دانشگاه صنعتی شاهرود، سمنان، ایران | ||
| چکیده | ||
| این پژوهش به‌منظور بررسی اثر محلول‌پاشی عصاره مرزنجوش و آویشن‌کوهی بر خصوصیات کمی و کیفی کنجد تحت شرایط تنش کم‌آبی در شرایط مزرعه به اجرا درآمد. آزمایش به‌صورت اسپلیت پلات فاکتوریل در قالب طرح پایه بلوک‌های کامل تصادفی در سه تکرار انجام شد. تیمارهای آزمایشی شامل 2 رژیم مختلف آبیاری (هر 15 روز یک‌بار)و کم‌آبیاری (هر 25 روز یک‌بار)، 3 سطح محلول‌پاشی مرزنجوش صفر، 40 و 60 درصد حجمی و 3 سطح محلول‌پاشی آویشن‌کوهی صفر، 10 و 20 درصد حجمی بود. نتایج نشان داد که تنش کم‌آبی به‌طور معنی‌داری سبب کاهش در شاخص‌های اندازه‌گیری شده در مقایسه با شرایط شاهد شد. همچنین نتایج نشان داد که تنش کم‌آبی سبب کاهش درصد روغن و افزایش میزان پروتئین و فعالیت آنزیم کاتالاز،آسکوربات پراکسیداز و سوپراکسیددیسموتاز شد. به‌طورکلی مشخص شد که بیشترین شاخص‌های اندازه‌گیری شده مربوط به استفاده از عصاره 60 درصد حجمی مرزنجوش و 20 درصد حجمی آویشن‌کوهی بود. استفاده از عصاره آویشن و مرزنجوش تحت شرایط آبیاری مناسب سبب افزایش 5/27 درصدی عملکرد دانه کنجد نسبت به تیمار شاهد شد ولی در شرایط تنش سبب افزایش 58 درصدی نسبت به تیمار شاهد شد، بنابراین می‌توان اظهار داشت که در شرایط کم‌آبی استفاده از عصاره آویشن و مرزنجوش می‌تواند سبب القای تحمل در گیاه در مقابله با شرایط کم‌آبی شود بنابراین در مناطقی که با شرایط کم‌آبی روبرو می‌باشند می‌توان جهت افزایش عملکرد استفاده از عصاره آویشن‌کوهی و مرزنجوش را پیشنهاد داد. | ||
| کلیدواژه‌ها | ||
| وزن هزار دانه؛ آنزیم کاتالاز؛ پروتئین دانه؛ تغییرات بیوشیمیایی؛ تنش خشکی؛ روغن دانه؛ عصاره گیاهی | ||
| عنوان مقاله [English] | ||
| The effect of Origanum vulgare and Zatria mutifora essence on yield, yield components and antioxidant enzymes of Sesamum indicum L under drought stress | ||
| نویسندگان [English] | ||
| Zohre Ansar1؛ Mehdi Baradaran Firouzabadi2؛ Serolah Galeshi3؛ Ahmad Gholami2؛ Mahdieh Parsaian4 | ||
| 1Ph.D. Student, Department of Agronomy, Faculty of Agriculture, Shahrood University of Technology, Semnan, Iran | ||
| 2Associate Professor, Department of Agronomy, Faculty of Agriculture, Shahrood University of Technology, Semnan, Iran | ||
| 3Professor, Department of Agronomy, College of Plant Production, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran. | ||
| 4Assistant Professor, Department of Agronomy, Faculty of Agriculture, Shahrood University of Technology, Semnan, Iran | ||
| چکیده [English] | ||
| This research was carried out to investigate the effect of spraying of Origanum vulgare and Zatria mutifora essence on quantitative and qualitative characteristics of sesame (Naz cultivar) under drought stress conditions. This experiment was conducted as split plot factorial in two years as a randomized complete block design with three replications. Treatments included two different irrigation regimes (every 15 days) and drought stress (every 25 days), three levels of Origanum vulgare include 0, 40 and 60% and 3 levels of Zatria mutifora include 0, 10 and 20%. Results indicated that drought stress significantly reduced the measured indices compared to control conditions. The results also showed that water stress reduced oil content and increased protein content and activity of catalase, ascorbate peroxidase and superoxide dismutase enzymes. It was found that the most measured indices in both control and stress conditions were associated with 60% Origanum vulgare 20% Zatria mutifora essence. The use of Origanum vulgare and Zatria mutifora essence, under suitable irrigation conditions, increased the seed yield of 27.5% compared to control, whereas it increased 58% under stress conditions. Therefore, it can be stated that under dry conditions, the use of Origanum vulgare Zatria mutifora essence can induce tolerance in the plant in response to drought conditions. Since less cost is needed compared to other methods, therefore, in areas with low water conditions, it is recommended to use the Origanum vulgare and Zatria mutifora essence. | ||
| کلیدواژه‌ها [English] | ||
| 1000 Seed Weight, Biochemical changes, Catalase activity, Drought stress, Grain oil, Grain protein, Plant extract | ||
| مراجع | ||
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