Investigation of the Impact of Benzyladenine and Several Natural Compounds on the Vase Life and Some Qualitative Traits of Tuberose Cut Flowers

محورهای موضوعی : مجله گیاهان زینتی

Zahra Golsahdi Ghaleh Shahi ¹ , Mehrdad Babarabie ² , Sadegh Atashi ³ , Hossein Zarei ⁴ , Atoosa Danyaei ⁵

1 - MSc Former, Department of Horticulture, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
2 - Ph.D Student, Department of Horticulture, Gorgan University of Agricultural Sciences & Natural Resources and Member of Young Researchers and Elite Club, Gorgan Branch, Islamic Azad University, Gorgan, Iran
3 - MSc Former, Department of Horticulture, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
4 - Assistant Professor, Department of Horticulture, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
5 - Ph.D Horticultural Sciences, Dr. Shariaty Faculty‚ Technical & Vocational University‚ Tehran‚ Iran.

تاریخ دریافت : 1394/05/31 تاریخ پذیرش : 1394/11/26 تاریخ انتشار : 1394/12/11

کلید واژه: Vase life, Benzyladenine, Tuberose, Natural compounds,

چکیده مقاله :

Tuberose (Polianthes tuberosa) is one of the most important cut flowers with fragrant buds. To prolong vase life of tuberose, proper preservative solution applying is necessary. For this purpose, two types of chemical and natural treatments were used. Applied treatments were benzyladenine (50, 100, and 150 mg l-1), the extracts of rosemary and Eucalyptus (12, 25 and 50%) and sour orange fruit extract (3, 4, 5 and 6 ml l-1). Sucrose 4% was used in all solutions. Measured characteristics included the vase life, the percentage of opening of the buds, the relative fresh weight, the solution absorption, the total soluble solids, chlorophyll a, b and total chlorophyll. The results showed that the maximum vase life was obtained in benzyladenine treatment of 50 mg l-1 (11.66 days) and the minimum vase life was obtained in the control treatment and rosemary extract of 50% (6.33 days). The highest percentage of buds opening was related to the benzyladenine treatment of 150 mg l-1. The maximum relative fresh weight and solution absorption were obtained in the benzyladenine treatments of 100 and 50 mg l-1, respectively and the maximum amount of total soluble solids was obtained in Eucalyptus extract treatment of 12 %. In addition, the maximum amount of chlorophyll a, b and total was related to the treatment of sour orange fruit extract of 4.5 mg l-1. In general, the results showed that benzyladenine had the maximum vase life but, natural compounds especially the extracts of Eucalyptus and sour orange had the significant effect on the vase life and the other traits of tuberose cut flowers and they can be used as simple, healthy and cheap compounds.

چکیده انگلیسی:

گل مریم یکی از گل های شاخه بریده مهم با گلچه های معطر می­باشد. برای افزایش عمر گلجایی این گل، استفاده از محلول های نگهدارنده مناسب امری ضروری است.  بدین منظور از دو نوع تیمار شمیایی و طبیعی استفاده شد. تیمارهای مورداستفاده شامل بنزیل آدنین (50، 100 و 150 میلی گرم در لیتر)، عصاره­های رزماری و اکالیپتوس (12، 25 و 50 درصد) و عصاره میوه نارنج (3، 4، 5 و 6 میلی‌لیتر در لیتر) بود و از ساکارز 4 درصد در تمامی محلول­ها استفاده شد. صفات اندازه­گیری شامل عمر گلجایی، کیفیت ظاهری، درصد بازشدن گلچه، وزن تر نسبی، جذب محلول، مواد جامد محلول، کلروفیلa،b و کلروفیل کل، بودند. نتایج نشان داد بیشترین عمر گلجایی در تیمار بنزیل آدنین 50 میلی گرم در لیتر (66/11 روز) و کمترین عمر گلجایی در تیمار شاهد و عصاره رزماری 50 درصد (33/6 روز) حاصل شد. بیشترین درصد بازشدن گلچه­ها مربوط به تیمار بنزیل آدنین 150 میلی گرم بود. بیشترین وزن تر نسبی و جذب محلول به ترتیب در تیمار بنزیل آدنین 100 و 50 میلی گرم در لیتر حاصل شد و بیشترین میزان مواد جامد محلول در تیمار عصاره اکالیپتوس 12 درصد حاصل شد. همچنین بیشترین میزان کلروفیل a، b و کل، مربوط به تیمار عصاره نارنج  5/4 میلی لیتر در لیتر بود. به طورکلی نتایج نشان داد اگرچه گل­های تیمارشده با بنزیل آدنین بیشترین عمر گلجایی را داشتند اما ترکیبات طبیعی به­ویژه عصاره­های اکالیپتوس و نارنج تاثیر معنی‌داری در عمر گلجایی و سایر صفات اندازه­گیری شده گل بریده مریم داشتند و به  عنوان  یک ترکیب ساده، سالم و ارزان قیمت قابلیت استفاده دارند. 

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