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بررسی تأثیر نانو اکسید سیلیسیم پوشیده شده با اسید هیومیک و اسید سالیسیلیک بر برخی پارامترهای مورفولوژی و ترکیب یونی گیاه دارویی سیاهدانه (Nigella sativa L.) در شرایط تنش شوری | ||
| تحقیقات گیاهان دارویی و معطر ایران | ||
| مقاله 9، دوره 34، شماره 4 - شماره پیاپی 90، مهر و آبان 1397، صفحه 629-644 اصل مقاله (1.29 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijmapr.2018.120394.2233 | ||
| نویسندگان | ||
| حمید ملاحسینی1؛ محمد فیضیان* 2؛ سعید دوازده امامی3؛ ابراهیم مهدی پور4 | ||
| 1مربی پژوهش و دانشجوی دکترا، بخش تحقیقات خاک و آب، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان اصفهان، سازمان تحقیقات، آموزش و ترویج کشاورزی، اصفهان، ایران | ||
| 2استادیار، گروه علوم خاک، دانشکده کشاورزی، دانشگاه لرستان، خرمآباد، ایران | ||
| 3استادیار، بخش تحقیقات منابع طبیعی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان اصفهان، سازمان تحقیقات، آموزش و ترویج کشاورزی، اصفهان، ایران | ||
| 4استادیار، دانشکده شیمی، دانشگاه لرستان، خرمآباد، ایران | ||
| چکیده | ||
| این پژوهش بهمنظور بررسی چگونگی پوشش نانو اکسید سیلیسیم با اسید هیومیک و اسید سالیسیلیک و تأثیر آن در افزایش تحمل به شوری گیاه سیاهدانه (Nigella sativa L.) در شرایط آزمایشگاهی و گلخانهای در سال زراعی 96-1395 انجام شد. شرایط آزمایشگاهی با پوشش نانو اکسید سیلیسیم در غلظتهای مختلف اسید هیومیک (40 تا 1600 میلیگرم در لیتر) با حضور اسید سالیسیلیک و در زمانهای مختلف (0.5 تا 120 ساعت) بهترتیب برای حداکثر پوشش و انرژی جذب و شرایط گلخانهای در قالب طرح اسپیلیت پلات بر پایه بلوکهای کامل تصادفی در 4 تکرار برای آزمون اثربخشی نانو اکسید سیلیسیم پوششدار اجرا گردید. تیمار شوری در 3 سطح شامل 2، 3.5 و 5 دسیزیمنس بر متر با آب آبیاری و تیمار نانو اکسید سیلیسیم پوششدار در 4 سطح شامل 0.25، 0.5 و 0.75 گرم در لیتر در دو مرحله چند برگی (15 روز پس از کاشت نشاء) و گلدهی (50 روز پس از کاشت نشاء) در آب آبیاری اعمال شدند. بررسی نتایج آزمایشگاهی نشان داد که با افزایش غلظت و زمان تماس اسید هیومیک، میزان جذب کربن از 7.6 به 11.9 میلیگرم بر گرم افزایش یافت ولی اندازه نانو ذرات در حدود 20 تا 30 نانومتر بود. ارزیابی نتایج گلخانهای نشان داد که وزن خشک اندام هوایی، ریشه، ارتفاع بوته، تعداد شاخه فرعی اولیه، رطوبت نسبی برگ و پتاسیم برگ با افزایش شوری کاهش و با کاربرد نانو ذره پوششدار در غلظت 0.5 گرم در لیتر افزایش معنیدار داشتند. بهطوریکه وزن خشک اندام هوایی در غلظت 0.5 گرم در لیتر نانو ذره پوششدار در شوریهای 3.5 و 5 دسیزیمنس بر متر اختلاف معنیدار نداشت. بنابراین نتیجهگیری میشود که با پوشش نانو اکسید سیلیسیم توسط اسید هیومیک و اسید سالیسیلیک میتوان با کاهش مقدار و دفعات مصرف مواد مذکور، تحمل به شوری گیاه سیاهدانه را افزایش داد. | ||
| کلیدواژهها | ||
| سیاهدانه (Nigella sativa L.)؛ نانو اکسید سیلیسیم؛ اسید سالیسیلیک؛ اسید هیومیک | ||
| عنوان مقاله [English] | ||
| Effects of silicone nano oxide coated with humic acid and salicylic acid on some morphological parameters and ionic composition of black cumin (Nigella sativa L.) under salinity stress | ||
| نویسندگان [English] | ||
| H. Molahoseini1؛ M. Feizian2؛ S. Davazdaemami3؛ E. Mehdi Pour4 | ||
| 1Ph.D. student, Soil and Water Research Department, Isfahan Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Isfahan, Iran | ||
| 2Soil Department, Lorestan University, Khoramabad, Iran | ||
| 3Natural Resource Research Department, Isfahan Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Isfahan, Iran | ||
| 4Faculty of Chemistry, Lorestan University, Khoramabad, Iran | ||
| چکیده [English] | ||
| In order to evaluate the effects of silicone nano oxide coated with humic acid and salicylic acid on some morphological parameters and ionic composition of black cumin (Nigella sativa L.) under salinity stress, two set of experiments were conducted (in lab. and greenhouse) during 2016-2017. First, silicone nano oxide was coated by different concentrations of humic acid (40-1600 mg l-1) in the presence of salicylic acid (pH=4) and at different times (0.5 to 120 hours) to maximize the coverage and energy absorption. Then, the effects of coated silicone nano oxide were evaluated in salinity stress in a split plot experiment based on randomized complete blocks with four replications. The salinity treatment was applied in three levels including 2 ds m-1 as control, 3.5 and 5 ds m-1 with irrigation. The coated silicone nano oxide treatments included 0, 0.25, 0.5 and 0.75 g l-1, applied via irrigation at two growth stages of black cumin (vegetative and reproductive). The results of laboratory experiment showed that by increasing humic acid concentration and exposure time (in presence of salicylic acid), the carbon adsorption rate increased from 6.6 to 11.9 mg g-1. However, the size of silicone nano oxide was not significantly different (20 to 30 nanometers). Results of analysis of variance showed that changes in dry weight of shoot, root, plant height, shoot/root ratio, number of branches, relative water content, and potassium in the salinity treatments and coated nanoparticles were independently significant. It is concluded that the silicone nano oxide coated with humic acid and salicylic acid can result in increased salinity tolerance of the black cumin through reducing the amount and frequency of these materials. | ||
| کلیدواژهها [English] | ||
| black cumin (Nigella sativa L.), nanosilica, salicylic acid, humic acid | ||
| مراجع | ||
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