Investigating Growth of Araucaria excelsa L. in Different Methods of Fertilization

محورهای موضوعی : مجله گیاهان زینتی

Shirin Seyed Nasir ¹ , Hosein Nikfarjam ²

1 - ‎Department of Soil Science, Science and Research Branch, Islamic Azad University, Tehran, Iran‎
2 - Rasht Branch, Islamic Azad University

تاریخ دریافت : 1396/04/07 تاریخ پذیرش : 1396/07/03 تاریخ انتشار : 1396/09/10

کلید واژه: Fertilizer, Potassium sulphate, Ammonium sulphate, Ferrilene, Kristalon,

چکیده مقاله :

A serious problem in cultivation of ornamental plants is a lack scientific and applied program in fertilization, so that the plant nutrition focused on growth medium. A randomized completely design with 8 different fertilization methods with the use of ammonium sulphate, potassium sulphate, di ammonium phosphate, ferrilene and kristalon was conducted in three replications in a greenhouse of Chaboksar, Guilan, Iran. The height of bush, number of lateral branches, floor distance, number of floor, fresh weight of root and shoot, total fresh and dry weight of root and shoot were measured. The results showed that the growth of plant increased in a treatment including foliar spray of ferrilene and kristalon fertilizers in 1:1000 ratio for three times. In treatment of ammonium sulphate, potassium sulphate and di ammonium phosphate as base fertilizers amounted 2, 1 and 0.5 g per pot, respectively, the growth traits of plant was same to ferrilene and kristalon treatment. In conclusion, the highest plant growth obtained of a treatment including foliar spray of ferrilen and kristalon in 1:1000 ratio for three times.

چکیده انگلیسی:

یکی از مشکلات اساسی کشت گیاهان زینتی، فقدان یک برنامه علمی و کاربردی کود دهی است و تغذیه گیاه معطوف به بستر کشت است. یک طرح کاملا تصادفی برای بررسی 8 روش مختلف کود دهی با استفاده از کودهای سولفات آمونیوم، سولفات پتاسیم، دی‌آمونیوم فسفات، فریلن و کریستالون در گلخانه‌ای در چابکسر گیلان طراحی و اجرا شد. صفاتی که اندازه‌گیری شدند شامل ارتفاع بوته، تعداد شاخه‌های جانبی، تعداد طبقات و فاصله آنها، وزن تر و خشک ریشه و ساقه و وزن کل بود. نتایج نشان داد که رشد گیاه در تیمار محلول‌پاشی فریلن و کریستالون با غلظت یک در هزار به تعداد سه مرتبه افزایش معنی‌داری نسبت به تیمارهای دیگر داشت. شرایط رشد گیاه در تیمار مصرف پایه کودهای سولفات آمونیوم، سولفات پتاسیم و دی‌آمونیوم سولفات به ترتیب به مقدار 2، 1 و 5/0 گرم در هر گلدان، مشابه تیمار فریلن و کریستالون بود. در کل بهترین رشد گیاه در تیمار سه مرتبه محلول‌پاشی فریلن و کریستالون به دست آمد.

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