نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانش‌آموخته کارشناسی ارشد، گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه شهرکرد، شهرکرد - ایران

2 استادیار، گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه شهرکرد، شهرکرد – ایران

3 دانشیار، گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه شهرکرد، شهرکرد – ایران

چکیده

این پژوهش به منظور بررسی اثر ورمی‌واش بر عملکرد و غلظت عناصر غذایی برگ توت‌فرنگی رقم "گاویتا" در گلخانه تحقیقاتی دانشگاه شهرکرد، در سال 1393 انجام شد. تیمارها شامل شاهد (بدون محلول‌پاشی ورمی‌واش) و غلظت‌های 10، 15 و 25 درصد ورمی‌واش  بودند که در فواصل زمانی یک، دو و سه هفته به صورت محلول­پاشی به‌کار برده شدند. ورمی‌واش از ورمی‌کمپوست کود گاوی و از طریق کرم‌های خاکی گونه ایزنیا فوئتیدا استخراج شد. آزمایش در قالب طرح کاملاً تصادفی با سه تکرار اجرا شد. نتایج نشان داد که اختلاف معنی‌داری در میزان نیتروژن، پتاسیم و آهن برگ بین کلیه تیمارهای ورمی‌واش در مقایسه با شاهد وجود داشت، اما در مورد سایر عناصر پرمصرف و کم‌مصرف معنی­دار نبود. غلظت آهن برگ در تیمار محلول‌پاشی 25 درصد ورمی‌واش در فواصل زمانی یک‌هفته‌ای، تا مرز بیشبود افزایش یافت. محلول‌پاشی ورمی‌واش با غلظت 10، 15 و 25 درصد هر دو هفته یک‌بار به طور قابل توجهی تعداد میوه و عملکرد در بوته را افزایش دادند، اما متوسط وزن هر میوه را اندکی کاهش دادند. افزایش عملکرد تیمارهای مختلف ورمی‌واش در مقایسه با تیمار شاهد، بین 68-24 گرم در بوته متغیر بود. تیمارهای ورمی‌واش تأثیری بر تعداد گل‌آذین در بوته و تعداد گل در گل‌آذین نداشتند. محلول‌پاشی ورمی‌واش با غلظت 15 و 10 درصد در فواصل زمانی دو هفته یک‌بار، عملکرد توت‌فرنگی رقم "گاویتا" را بهتر از سایر تیمارها بهبود بخشیدند.

کلیدواژه‌ها

عنوان مقاله [English]

Effects of Vermiwash Foliar Application on Yield and Leaf Nutrient Status of Strawberry CV "Govieta"

نویسندگان [English]

  • Safoura Kazemi 1
  • Rahim Barzegar 2
  • Abd-Alrahman Mohammadkhani 3

1 M.Sc. Graduate, Department of Horticulture, College of Agriculture, University of Shahrekord, Shahrekord- Iran

2 Assistant Professor, Department of Horticulture, College of Agriculture, University of Shahrekord, ShaShrekord- Iran

3 Associate Professor, Department of Horticulture, College of Agriculture, University of Shahrekord, Shahrekord- Iran

چکیده [English]

The present investigation was carried out to evaluate the effect of vermivash on yield and leaf nutrient status of strawberry "Govieta" at research greenhouse of Shahrekord University in 2013. Treatments were included control (without vermiwash foliar spray) and different concentration of vermiwash (10, 15 and 25 percent) that spryed at 1, 2 and 3 weeks interval. Vermiwash was extracted from cow manure vermicompost through earthworm Eisenia foetida. The experiment was conducted in completely randomized design (CRD) with three replications. The results showed that there was significant difference between vermiwash treatments and control for the leaf elements of N, K and Fe, but was not significant for the other macro and microelements. Leaf Fe concentration increased up to excessive level in 25 percent concentration with weekly interval. Foliar spray of 25, 15 and 10 percent vermiwash with two-weeks intervals considerably enhanced the number of fruit and yield per plant, but decreaced fruit weigth average a little. Increasing the yield per plant ranged between 24 and 68g for various vermiwash treatments in comparison with control. Vermiwash treatments had no effect on inflorescence number per plant and flower number per inflorescence. Foliar spray of 15 and 10 percent vermiwash with two-weeks interval improved the yield of strawberry "Govita".

کلیدواژه‌ها [English]

  • Liquid Organic Fertilizer
  • Foliar spray
  • strawberry
  • Sustainable agriculture
  • Vermiwash
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