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بررسی اثرهای کلات و نانوکلات آهن روی برخی صفات مورفولوژی و فیزیولوژی گیاه کاسنی (Cichoirium intybus L.) در سیستم هواکشت | ||
| تحقیقات گیاهان دارویی و معطر ایران | ||
| مقاله 12، دوره 35، شماره 3 - شماره پیاپی 95، مرداد و شهریور 1398، صفحه 501-511 اصل مقاله (348.59 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijmapr.2019.122016.2330 | ||
| نویسندگان | ||
| زهرا موحدی* 1؛ احمد معینی2 | ||
| 1استادیار، گروه زراعت و اصلاح نباتات، دانشکده کشاورزی، دانشگاه ملایر، ملایر، ایران | ||
| 2دانشیار، گروه اصلاح نباتات، دانشکده کشاورزی، دانشگاه تربیت مدرس، تهران، ایران | ||
| چکیده | ||
| شناسه دیجیتال (DOR): 98.1000/1735-0905.1398.35.501.95.3.1576.1578 گیاه کاسنی (Cichoirium intybus L.) یک گیاه دارویی است که مهمترین استفاده‌های آن از طریق تولید برگ و ریشه می‌باشد. در این پژوهش اثر محلول‌پاشی نانوکلات آهن و کلات آهن بر خصوصیات مورفوفیزیولوژیکی گیاه دارویی کاسنی در سیستم هواکشت بررسی شده است. این سیستم روش بسیار مناسبی برای بررسی تأثیر عناصر غذایی و نیز بهبود رشد و نمو در گیاهان مختلف در شرایط کنترل شده محسوب می‌شود. تیمارهای آزمایشی شامل محلول‌پاشی با آب (شاهد)، کلات آهن (0.5، 1 و 1.5 گرم در لیتر) و نانو کلات آهن (0.5، 1 و 1.5 گرم در لیتر) بود. محلول‌پاشی در سه مرحله شامل 20، 40 و 60 روز پس از کشت بذرها در سیستم هواکشت روی برگ و ریشه در قالب طرح کاملاً تصادفی با 5 تکرار انجام شد و پس از شش ماه صفات مورد نظر بررسی گردید. نتایج تجزیه واریانس نشان داد که اثر تیمارهای مختلف برای صفات ارتفاع کل گیاه، طول ریشه، تعداد و سطح برگ، وزن تر و خشک ریشه و اندام هوایی، رنگیزه‌های فتوسنتزی و میزان آهن در ریشه و اندام هوایی معنی‌دار بود. نتایج مقایسه میانگین نشان داد که استفاده از غلظت 1.5 گرم نانو کلات آهن، بیشترین ارتفاع کل گیاه (cm173.5)، طول ریشه (cm139.7)، وزن خشک اندام‌های هوایی (g86.1)، وزن خشک ریشه (g65.2)، سطح برگ (mm23448.5)، کلروفیل a (mg/g2.43)، کلروفیل b (mg/g1.27) و کاروتنوئید (mg/g1.25) را داشته است. کمترین ارتفاع کل گیاه (cm121.5)، طول ریشه (cm92.3)، وزن خشک اندام‌های هوایی (g50.1)، وزن خشک ریشه (g15.1)، سطح برگ (mm22259.6) کلروفیل a (mg/g1.46)، کلروفیل b (mg/g0.85) و کاروتنوئید (mg/g0.76) در تیمار شاهد مشاهده شد. در مجموع نتایج این آزمایش اثر مثبت محلول‌پاشی کلات آهن را نشان داد که غلظت 1.5 گرم نانو کلات آهن برای صفات مورد مطالعه بیشترین تأثیر را داشت. | ||
| کلیدواژه‌ها | ||
| کشت بدون خاک؛ گیاهان دارویی؛ عناصر ریزمغذی؛ محلول‌پاشی | ||
| عنوان مقاله [English] | ||
| Effects of iron chelate and nano chelate on some physiological and morphological characteristics of chicory (Cichorium intybusL.) in aeroponic system | ||
| نویسندگان [English] | ||
| Z. Movahedi1؛ A. Moieni2 | ||
| 1Department of Agronomy and Plant Breeding, Faculty of Agriculture, Malayer University, Malayer, Iran | ||
| 2Department of Plant Breeding, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran | ||
| چکیده [English] | ||
| In Chicory (Cichorium intybus L.), leaf and root are the most important medicinal organs containing valuable secondary metabolites. In this research, the effect of foliar application of iron chelate and nano chelate fertilizers on morpho-physiological characteristics of chicory was studied in the aeroponic system.This system is a very suitable method for investigating the effect of nutrients and improving growth and development in different plants under controlled conditions. Experimental treatments included water (control), iron chelate (0.5, 1 and 1.5 g l-1) and iron nano chelate (0.5, 1 and 1.5 g l-1) fertilizers foliar application. Foliar spray was carried out at three stages including 20, 40 and 60 days after seed culture in the aeroponic system on leaf and root ina completely randomized design with five replications. After six months, some morphological and physiological traits were evaluated. The results of ANOVA indicated that the effect of different treatments was significant on plant height, root length, number and area of leaves, fresh and dry weight of root and shoot, photosynthetic pigments and iron content of root and shoot. The results of mean comparison showed that using 1.5 g l-1 of iron nano chelate resulted in the highest plant height (173.5 cm), root length (139.7 cm), root (65.2 g) and shoot (86.1 g) dry weight, leaf area (3448.5 mm2), chlorophylls a (2.43 mg g-1) and b (1.27 mg g-1) and carotenoid (1.25 mg g-1). The control treatment produced the lowest plant height (121.5 cm), root length (92.3 cm), root (15.1 g) and shoot (50.1 g) dry weight, leaf area (2259.6 mm2), chlorophylls a (1.46 mg g-1) and b (0.85 mg g-1) and carotenoid (0.76 mg g-1). In general, the results of this experiment showed a positive effect of iron nano chelate (with a concentration of 1.5 g l-1) foliar spray on the traits studied. | ||
| کلیدواژه‌ها [English] | ||
| Foliar application, Medicinal plant, Micro element, Soilless culture | ||
| مراجع | ||
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