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بررسی تأثیر هیدروژل بر افرایش مقاومت به خشکی گیاه دارویی Hibiscus sabdariffa L. | ||
| تحقیقات گیاهان دارویی و معطر ایران | ||
| مقاله 4، دوره 37، شماره 4 - شماره پیاپی 108، مهر و آبان 1400، صفحه 584-595 اصل مقاله (685.34 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijmapr.2021.353010.2924 | ||
| نویسندگان | ||
| سید غلامرضا سجادی1؛ ابوالفضل توسلی* 2؛ مهدی دادمهر3 | ||
| 1دانشآموخته کارشناسی ارشد زراعت، دانشگاه پیام نور، مرکز زاهدان، زاهدان، ایران | ||
| 2استادیار، گروه کشاورزی، دانشگاه پیام نور، زاهدان، ایران | ||
| 3استادیار، گروه نانوبیوتکنولوژی، دانشگاه پیام نور، مشهد، ایران | ||
| چکیده | ||
| بهمنظور بررسی اثر هیدروژل بر رشد، عملکرد و برخی ترکیبهای ثانویه چای ترش (Hibiscus sabdariffa L.) در شرایط تنش خشکی، پژوهشی در سال زراعی 97-1396 در مزرعهای واقع در جنوب شهرستان دلگان، استان سیستان و بلوچستان اجرا گردید. این تحقیق بهصورت آزمایش کرتهای خرد شده در قالب طرح پایه بلوکهای کامل تصادفی در سه تکرار انجام شد. تیمارهای آزمایشی شامل تنش خشکی بهعنوان فاکتور اصلی در چهار سطح (آبیاری در ظرفیت زراعی، آبیاری در 85% ظرفیت زراعی، آبیاری در 70% ظرفیت زراعی و آبیاری در 55% ظرفیت زراعی) و مصرف هیدروژل بهعنوان فاکتور فرعی در سه سطح (مصرف هیدروژل A200، مصرف هیدروژل سیلیکات و بدون مصرف هیدروژل) بودند. صفات کمّی ارتفاع گیاه، تعداد شاخه فرعی در بوته، تعداد گل در بوته، وزن تر و خشک بوته، عملکرد کاسبرگ تازه و خشک و شاخص برداشت و صفات کیفی مقدار آنتوسیانین و ترکیبهای فنلی کاسبرگ اندازهگیری شدند. نتایج نشان داد که بیشترین مقدار صفات کمّی از تیمار آبیاری کامل همراه با کاربرد هیدروژل A200 حاصل گردید. اما تفاوت معنیداری بین این تیمار با تیمار آبیاری کامل همراه با مصرف هیدروژل سیلیکات و آبیاری کامل بدون مصرف هیدروژل وجود نداشت. همچنین، تفاوت معنیداری بین سه تیمار فوق با تیمارهای کاربرد هر دو نوع هیدروژل در محتوی رطوبت 70% و 85% ظرفیت زراعی مشاهده نگردید. صفات کیفی با افزایش شدت تنش افزایش یافتند. کاربرد هیدروژل نیز در مقایسه با عدم استفاده از آن بهدلیل تعدیل شرایط تنش توسط هیدروژل منجر به کاهش محتوی آنتوسیانین و ترکیبهای فنلی کاسبرگ شد. | ||
| کلیدواژهها | ||
| ترکیبهای ثانویه؛ دلگان؛ ظرفیت زراعی؛ عملکرد؛ گیاه دارویی؛ هیدروژل | ||
| عنوان مقاله [English] | ||
| Effects of hydrogel on drought resistance of medicinal plant roselle (Hibiscus sabdariffa L.) | ||
| نویسندگان [English] | ||
| S.G. Sajjadi1؛ A. Tavassoli2؛ M. Dadmehr3 | ||
| 1M.Sc. graduate of Agronomy, Department of Agriculture, Payame Noor University, Zahedan center, Zahedan, Iran | ||
| 2Department of Agriculture, Payame Noor University, Zahedan center, Zahedan, Iran | ||
| 3Department of Nanobiotechnology, Payame Noor University, Mashhad, Iran | ||
| چکیده [English] | ||
| To investigate the effects of hydrogel on growth, yield, and some secondary metabolites of roselle (Hibiscus sabdariffa L.) under drought stress conditions, an experiment was conducted in a farm located in the south of Dalgan city, Sistan and Baluchestan province in the 2017-2018 crop year. This research was carried out as a split plot experiment in a randomized complete block design with three replications. The experimental treatments included drought stress as main plot at four levels (irrigation at FC (field capacity), 85% of FC, 70% of FC, and 55% of FC), and hydrogel consumption as sub plot at three levels (A200 hydrogel consumption, silicate hydrogel consumption, and no hydrogel consumption). The quantitative traits including plant height, number of sub-branches per plant, number of flower per plant, plant fresh and dry weight, sepal fresh and dry yield, and harvest index and qualitative traits including content of anthocyanin and sepal phenolic compounds were measured. The results showed that the highest amount of quantitative traits was obtained from full irrigation treatment with the consumption of A200 hydrogel. But there was no significant difference between this treatment and the treatments of full irrigation with silicate hydrogel consumption and full irrigation without hydrogel. Also, no significant difference was observed between the above three treatments and the treatments of both types of hydrogels application in 85% and 70% of FC. The qualitative traits increased with increasing the stress intensity. The hydrogel consumption in comparison with not consuming it led to a decrease in the amount of anthocyanin and sepal phenolic compounds due to the modification of stress conditions by hydrogel. | ||
| کلیدواژهها [English] | ||
| Secondary metabolites, Dalgan, field capacity, yield, medicinal plant, hydrogel | ||
| مراجع | ||
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