Increasing the Vase Life of Alstroemeria Cut Flowers Using Cycloheximide, Benzyladenine and Coconut Juice

محورهای موضوعی : مجله گیاهان زینتی

Saeedeh Alizade Matak ¹ ( Department of Horticulture, Rasht Branch, Islamic Azad University, Rasht, Iran )
Davood Hashemabadi ² ( Department of Horticulture, Rasht Branch, Islamic Azad University, Rasht, Iran )

تاریخ دریافت : 1394/12/10 تاریخ پذیرش : 1395/05/18 تاریخ انتشار : 1395/09/11

کلید واژه: Vase life, Benzyladenine, Chlorophyll, Cytokinin, Ionic leakage,

چکیده مقاله :

In order to improve the vase life of alstroemeria cut flowers (Alstroemeria aurantiaca), an experiment was performed based on completely randomized design with 10 treatments including cycloheximide (50, 100 and 200 mg l-1), benzyladenine (50, 100 and 200 mg l-1), coconut juice (5, 10 and 20 %) and control (distilled water) in three replications. In this study, characteristics such as vase life, dry matter, increasing ° Brix, the percentage of flower opening, chlorophyll a and b and ionic leakage were evaluated. The results showed that coconut juice at a concentration of 5% has the maximum vase life (17.39 days), although it has no significant difference with different levels of benzyladenine and 10 and 20% coconut juice treatments. 10% coconut juice with 2.58 and 0.88 has the highest ° Brix and flower opening index, respectively. Treatments of 50 mg l-1 benzyladenine, 5 and 10% coconut juice had the maximum impact on the amount of dry matter. The most successful treatments for reducing ionic leakage are two treatments of 5% coconut juice and 100 mg l-1 benzyladenine. All treatments cause maintenance of chlorophyll a and b compared to the control, and two treatments of 50 mg l-1 cycloheximide and 5% coconut juice had the highest content of chlorophyll a and b, respectively among treatments. According to the obtained results, using 5% coconut juice in the vase solution can effectively improve the vase life of alstroemeria cut flowers.

چکیده انگلیسی:

به منظور بهبود عمر پس از برداشت گل شاخه بریده آلسترومریا (Alstroemeria aurantiaca) آزمایشی بر پایه طرح کاملاً تصادفی با 10 تیمار شامل سیکلوهگزاماید (50 ،  100 و 200 میلی‌گرم در لیتر)، بنزیل آدنین (50 ، 100 و 200 میلی‌گرم در لیتر) ، شیره‌ی نارگیل (5، 10 و 20 درصد) و شاهد (آب مقطر) در 3 تکرار انجام شد. در این مطالعه صفاتی از قبیل عمر گلجایی، ماده خشک، افزایش درجه بریکس، درصد باز شدن گل، کلروفیل a و b و نشت یونی مورد ارزیابی قرار گرفت. نتایج نشان داد که شیره نارگیل در غلظت 5% بیشترین عمر گلجایی (39/17 روز) را دارد، گرچه با سطوح مختلف بنزیل آدنین و تیمارهای 10 و 20 درصد شیره نارگیل اختلاف معنی‌داری نداشت. تیمار 10 % شیره نارگیل به‌ترتیب با 58/2 و شاخص 88/0  بیشترین درجه بریکس و شاخص باز شدن گل را به خود اختصاص داد. تیمارهای 50 میلی‌گرم در لیتر بنزیل آدنین، 5  و 10درصد شیره نارگیل  بیشترین تاثیر را بر میزان ماده خشک داشتند. موفق‌ترین  تیمارها در کاهش نشت یونی دو تیمار 5 %  شیره نارگیل و 100 میلی‌گرم در لیتر بنزیل آدنین بودند. همه تیمارها نسبت به شاهد موجب حفظ کلروفیل a  و b شدند و دو تیمار 50 میلی‌گرم در لیتر سیکلوهگزاماید و 5 % شیره نارگیل بیشترین مقدار کلروفیل a و b را در بین تیمارها به خود اختصاص دادند. با توجه به نتایج حاصله استفاده از 5 % شیره نارگیل در محلول گلجایی می‌تواند بطور موثری موجب بهبود ماندگاری گل‌های بریده آلسترومریا شود.

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