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اثر محلول‌پاشی سالیسیلیک اسید و سولفات منگنز بر صفات مورفولوژیکی و بیوشیمیایی خرفه (Portulaca oleraca L.) | ||
| تحقیقات گیاهان دارویی و معطر ایران | ||
| مقاله 7، دوره 33، شماره 3 - شماره پیاپی 83، مرداد 1396، صفحه 400-410 اصل مقاله (226.34 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijmapr.2017.106579.1792 | ||
| نویسندگان | ||
| زهرا صارم1؛ پژمان مرادی* 2؛ علی محمد عموئی3 | ||
| 1دانشجوی کارشناسی ارشد، گروه عل باغبانی، دانشکده کشاورزی، واحد علوم و تحقیقات تهران، دانشگاه آزاد اسلامی، تهران، ایران | ||
| 2استادیار، واحد ساوه، دانشگاه آزاد اسلامی، ساوه، ایران | ||
| 3استادیار، مرکز آموزش عالی امام خمینی (ره)، کرج، ایران | ||
| چکیده | ||
| خرفه (Portulaca oleraca L.) یکی از گیاهان خانواده Portulacaceae است که به‌دلیل داشتن اسیدهای چرب امگا 3 و 6، مواد مغذی مثل آنتی‌اکسیدان‌ها، توکوفرول و فیبر ارزش تغذیه‌ای بالایی داشته و اثرات سودمندی در پیشگیری از ابتلا به بیماری‌های قلبی و عروقی و سرطان دارد. از طرفی تأثیر سالیسیلیک اسید و ریزمغذی‌ها بر رشد، عملکرد، فعالیت‌های فیزیولوژیکی و مقاومت در برابر بیماری‌ها، ما را به سمت بررسی اثربخشی این هورمون گیاهی و سولفات منگنز بر برخی صفات این گیاه دارویی ارزشمند سوق داد. این آزمایش در مزرعه تحقیقاتی مؤسسه آموزش عالی امام خمینی (ره) جهاد کشاورزی کرج در سال 1394 به‌صورت آزمایش فاکتوریل در قالب طرح بلوک‌های کامل تصادفی با سه تکرار اجرا شد. اثر محلول‌پاشی سطوح مختلف سالیسیلیک اسید (0، 0.1، 0.5، 1 و 2 میلی‌مولار) و سولفات منگنز (0، 0.5 و 1 گرم در لیتر) بر صفات ارتفاع بوته، تعداد شاخه فرعی در بوته، وزن تر، تعداد دانه در کپسول، تعداد کپسول در بوته، میزان کلروفیل، کارتنوئید و ویتامین C مورد ارزیابی قرار گرفت. نتایج تجزیه واریانس نشان داد که تیمارهای تحت بررسی بر تمام صفات مورفولوژیکی و بیوشیمیایی اثر معنی‌دار در سطح 5% داشت. بیشترین تعداد دانه در کپسول (66.44 عدد در کپسول) از تیمار 1 میلی‌مولار سالیسیلیک اسید و 1 گرم در لیتر سولفات منگنز بدست آمد. مقایسه میانگین اثر متقابل سالیسیلیک اسید در سولفات منگنز نشان داد که بیشترین میزان کارتنوئید (0.071 میلی‌گرم) متعلق به 2 میلی‌مولار سالیسیلیک اسید و 1 گرم در لیتر سولفات منگنز بود. به‌طور کلی نتایج نشان داد که غلظت‌های مناسب سالیسیلیک اسید و سولفات منگنز اثر مثبت و معنی‌داری در بهبود صفات تحت بررسی داشت. | ||
| کلیدواژه‌ها | ||
| تغذیه برگی؛ توکوفرول؛ خرفه (Portulaca oleraca L.)؛ ریزمغذی‌ها؛ کلروفیل؛ هورمون رشد | ||
| عنوان مقاله [English] | ||
| Effects of salicylic acid and manganese sulphate effects on morphological and biochemical traits of Portulaca oleracea L. | ||
| نویسندگان [English] | ||
| Z. Sarem1؛ P. Moradi2؛ A. Mohammad-Amouyi3 | ||
| 1MSc. Student, Department of Horticulture, College of Agriculture, Science and Research Branch, Islamic Azad University, Tehran, Iran | ||
| 2Department of Horticulture Science, Saveh Branch, Islamic Azad University, Saveh, Iran | ||
| 3Imam Khomeini Higher Education Center of Jihad-e-Agriculture University, Karaj, Iran | ||
| چکیده [English] | ||
| Portulaca oleracea L., belonging to the Portulacaceae family, has a high nutritional value due to omega-3 and 6, antioxidants and Tocopherols. In addition, it has beneficial effects on preventing cardiovascular disease and cancer. On the other hand, effect of salicylic acid and micronutrients on growth, efficiency, physiological traits and resistance to disease, led us to study the effectiveness of this plant hormone and manganese sulfate on some of the traits of this valuable medicinal plant. The project was implemented in Imam Khomeini Higher Education Center of Jihad-e-Agriculture University, Karaj, Iran in 2015. The study was conducted in a factorial based on randomized complete block design with three replications. The influence of different levels of salicylic acid (0, 0.1, 0.5, 1 and 2 millimolar) and manganese sulfate (0, 0.5 and 1 g/lit) was investigated on length of main-stem, number of sub-branches, herbal fresh weight, number of seeds per capsule, number of capsules per bush, chlorophyll, carotenoids and vitamin C. Analysis of variance showed that the treatments studied had significant effects on all morphological and biochemical traits (α≤0.05). The highest number of seeds per capsule (66.44) was obtained through 1 mM of salicylic acid and 1 g/lit of manganese sulfate. The interaction effect of salicylic acid and manganese sulfate indicated that 2 mM of salicylic acid and 1 g/lit of manganese sulfate had the highest carotenoids content (0.071 mg). In general, results showed that appropriate concentrations of salicylic acid and manganese sulfate had positive and significant effect on improvement of the study traits. | ||
| کلیدواژه‌ها [English] | ||
| Foliar feeding, Tocopherols, Portulaca oleraca L, micro-nutrients, chlorophyll, Growth hormone | ||
| مراجع | ||
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