تأثیر میکرو و نانوذرات سیلیسیم بر رشد و عملکرد توت‌فرنگی در کشت هیدروپونیک

نوع مقاله: مقاله کامل

نویسندگان

1 ‏‌دانشجوی سابق دکتری، دانشکده کشاورزی، دانشگاه بوعلی سینا، همدان، ایران ‏

2 استادیار پژوهشی پژوهشکده خرما و میوه‌های گرمسیری، مؤسسه تحقیقات علوم باغبانی، سازمان تحقیقات، آموزش و ترویج ‏کشاورزی، اهواز، ایران

3 استاد، دانشکده کشاورزی، دانشگاه بوعلی‌سینا، همدان، ایران

چکیده

در این پژوهش اثر غلظت­های مختلف میکرو و نانوذرات دی­اکسید­ ­سیلیسیم (20، 40، 60 و 80 میلی‌گرم در لیتر) و دو روش کاربرد محلول‌پاشی برگی و محلول‌دهی ریشه­ای بر برخی ویژگی­های رشدی و عملکردی توت­فرنگی رقم کاماروزا بررسی شد. این پژوهش به صورت آزمایش فاکتوریل بر پایه طرح کاملاً تصادفی با سه تکرار در دانشگاه بوعلی­سینا همدان اجرا گردید. ویژگی­های رشدی شامل تعداد برگ، سطح برگ، طول دمبرگ، قطر دمبرگ، ارتفاع گیاه، طول ریشه، وزن تر و خشک اندام­ هوایی، وزن تر و خشک ریشه، میزان سیلیسیم اندام­ هوایی و ویژگی­های عملکردی شامل وزن تر میوه، حجم میوه، تعداد میوه و عملکرد اندازه­گیری شدند. بیشترین تعداد برگ، سطح برگ، ارتفاع گیاه، طول ریشه، وزن تر و خشک اندام هوایی، وزن تر و خشک ریشه در تیمار محلول‌دهی ریشه­ای 60 میلی‌گرم در لیتر نانوسیلیسیم به ترتیب با مقادیر 33/24 برگ، 09/210 سانتی­مترمربع، 66/31 سانتی­متر، 70/49 سانتی­متر، 33/70 و 04/13 گرم، 22/39 و 43/4 گرم مشاهده شد که با تیمار شاهد تفاوت معنی‌دار داشتند. بیشترین میزان عملکرد (23/233 گرم میوه در بوته) در بین تمامی تیمارها، در تیمار محلول‌دهی ریشه­ای 60 میلی‌گرم در لیتر نانوسیلیسیم مشاهده شد که با تمامی تیمارهای محلول‌پاشی میکروسیلیسم و شاهد (عدم کاربرد سیلیسیم) تفاوت معنی‌دار داشت.

کلیدواژه‌ها


عنوان مقاله [English]

The effect of micro- and nanoparticles of silicon on growth and yield of strawberry in ‎hydroponic culture

نویسندگان [English]

  • Rahman Yousefi 1 2
  • Mahmood Esna-ashari 3
1 Former Ph.D. Student, Faculty of Agriculture, Bu-Ali Sina University, Hamadan, Iran ‎
2 Former Ph.D. Student, Faculty of Agriculture, Bu-Ali Sina University, Hamadan, Iran ‎
3 Professor, Department of Horticultural Sciences, Faculty of Agriculture, Bu-Ali Sina University, Hamadan, Iran
چکیده [English]

In this research, the effect of different concentrations of micro- and nanoparticles of silicon dioxide (20, 40, 60 and 80 milligrams per liter) and two methods of foliar and root application on some growth and yield characteristics of strawberry (cv. Camarosa) were investigated. This research was carried out as a factorial experiment based on a completely randomized design with three replications at Bu-Ali Sina University in Hamedan. Growth characteristics including leaf number, leaf area, petiole length and diameter, plant height, root length, fresh and dry weight of aerial parts, fresh and dry weight of root, amount of silicon in aerial parts and yield components including fresh weight of fruit, fruit volume, fruit number and yield were measured. The highest number of leaves, leaf area, plant height, root length, fresh and dry weight of canopy, fresh and dry weight of root were observed in root application of 60 mg L-1 of nano-silicon with 24.33 leaf, 210.09 cm2, 31.66 cm, 49.70 cm, 70.33 and 13.04 g, 39.22 and 4.43 g amounts, respectively, which showed significant differences with control treatment. Among all treatments, the highest yield (233.23 g fruit per plant) was observed in root application treatment of 60 mg L-1 nano-silicon, which was significantly different with all the treatments of foliar application of micro-silicon and control (no application of silicon).

کلیدواژه‌ها [English]

  • Foliar Application
  • fruit weight
  • Leaf area
  • nanoparticles
  • root application‎
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