نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانشجوی سابق کارشناسی ارشدپردیس کشاورزی ومنابع طبیعی دانشگاه تهران
2 استادیار پردیس کشاورزی ومنابع طبیعی دانشگاه تهران
3 استادیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران
چکیده
عروسک پشت پرده (Physalis peruviana L.) از خانوادۀ Solanaceae، یک گیاه گرمسیری و بومی جنوب آمریکا با ارزش تغذیه‌ای بالاست. از آنجا که کشت این گیاه از طریق نشاست، این پژوهش به‌منظور بررسی اثر نسبت‌های مختلف ورمیکمپوست (0، 10، 20، 30، 40 و 50 درصد) در دو بستر کوکوپیت و کوکوپیت‌ـ پرلیت (50ـ 50 درصد حجمی) بر شاخص‌های رشدی نشای عروسک پشت پرده در گلخانۀ تحقیقاتی بخش سبزیکاری پردیس کشاورزی و منابع طبیعی دانشگاه تهران در سال 1392 به‌صورت آزمایش فاکتوریل در قالب طرح کاملاً تصادفی با چهار تکرار انجام شد. صفات اندازه‌گیری‌شده شامل طول ریشه، ارتفاع بوته، قطر طوقه و بوته، تعداد و سطح برگ، وزن تر و خشک اندام هوایی و ریشه، نسبت وزن تر و خشک اندام هوایی به ریشه و شاخص کلروفیل بودند. نتایج نشان داد که تیمارهای آزمایش‌شده تأثیر معناداری بر بیشتر شاخص‌های اندازه‌گیری‌شده داشته‌اند. براساس نتایج موجود، طول ریشه در بستر کوکوپیت‌ـ پرلیت و شاخص کلروفیل در بستر کوکوپیت بهترین نتیجه را نشان دادند. از بین نسبت‌های مختلف ورمیکمپوست نیز کاربرد 10درصد ورمیکمپوست بالاترین میزان طول ریشه، قطر بوته و طوقه و تعداد برگ و کاربرد 30درصد ورمیکمپوست، بیشترین ارتفاع بوته را به همراه داشت. همچنین اثر متقابل این دو تیمار برای صفات سطح برگ، وزن تر و خشک ریشه و اندام هوایی، بهترین نتیجه را در بستر کوکوپیت‌ـ پرلیت ترکیب‌شده با 20درصد ورمیکمپوست و برای نسبت وزن تر و خشک اندام هوایی به ریشه، در بستر کوکوپیت‌ـ پرلیت بدون کاربرد ورمیکمپوست نشان داد.
کلیدواژه‌ها
عنوان مقاله [English]
Effect of different ratio of vermicompost in culture media on seedling growth of gooseberry (Physalis peruviana L.)
نویسندگان [English]
- Hossein Mohammadi 1
- Leila Tabrizi 2
- Reza Salehi 3
1 University of Tehran
3 University of Tehran
چکیده [English]
The effect of different ratio of vermicompost (0, 10, 20, 30, 40 & 50 %) in two type of substrate (coco peat and coco peat-perlite (50:50 V:V)) on growth characteristics of gooseberry (Physalis peruviana L.) seedling was investigated in Research Greenhouse of University of Tehran, in 2013. A factorial experiment based on completely randomized design with four replications was carried out. Criteria such as root length, shoot height, crown and plant diameter, leaf number and area, fresh and dry weight of aerial part and root, ratio of fresh and dry weight of shoot to root and chlorophyll index were evaluated. Results showed that treatments significantly affected most measured criteria in which root length in coco peat-perlite and Chlorophyll index in coco peat media were increased. Application of 10% vermicompost resulted in higher root length, leaf number, crown and plant diameter and 30% vermicompost caused the highest plant height. Interaction effect of treatments pronounced better for leaf area, root fresh and dry weight, shoot fresh and dry weight in media with coco peat-perlite and 20% vermicompost while no application of vermicompost in coco peat-perlite media caused the highest ratio of fresh and dry weight of shoot to root.
کلیدواژه‌ها [English]
- Coco peat
- Compost
- Growth criteria
- Perlite
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