Improvement Postharvest Quality of Cut Alstroemeria (Alstroemeria hybrida) by Stem-End Splitting and Ethanol
محورهای موضوعی : مجله گیاهان زینتی
Nastaran Sadeghi Hafshejani
1
(Master Student of Department of Horticulture, Rasht Branch, Islamic Azad University, Rasht, Iran)
Davood Hashemabadi
2
(Assistant Professor of Department of Horticulture, Rasht Branch, Islamic Azad University, Rasht, Iran)
کلید واژه: Alstroemeria, ethanol, Stem end splitting, Vase life,
چکیده مقاله :
For the improvement the postharvest longevity of cut alstroemeria (Alstroemeria hybrida L.), a factorial experiment was carried out based on RCD with 2 factors of stem end splitting at two levels (5 cm splitting and without splitting) and ethanol at five levels (0, 1, 2, 4 and 6%), 10 treatments, 3 replications and 30 plots. In this experiment, the estimated traits included vase life, water absorbtion, fresh weight, dry matter percent, ethylene, petal anthocyanin, electrolyte leakage and lipid peroxidation (MDA). ANOVA showed significant differences among treatments for vase life, water absorbtion, dry matter percent and electrolyte leakage at the 5% probability level and for other traits at the 1% probability level. Results showed that different treatments improved vase life as compared to control and maximum vase life of 19.77 days was achieved under the treatment of ethanol 1% + with 5 cm splitting compared to control (11.09 days).
جهت بهبود ماندگاری پس از برداشت گل بریده آلسترومریا (Alstroemeria hybrida) آزمایشی فاکتوریل بر پایه طرح کاملا تصادفی با 2 فاکتور: شکاف ته ساقه (5 سانتی‌متر و بدون شکاف) و اتانول در 5 سطح (0، 1، 2، 4، 6 درصد) با 10 تیمار، 3 تکرار و 30 پلات انجام شد. در این آزمایش صفاتی از قبیل عمر گلجایی، جذب آب، وزن تر، درصد ماده خشک، اتیلن، آنتوسیانین گلبرگ، نشت یونی و لیپید پراکسیداسیون (MDA) مورد ارزیابی قرار گرفت. تجزیه واریانس داده‌ها نشان داد که اختلاف معنی‌داری بین تیمارهای مختلف در صفات عمر گلجایی، جذب آب، درصد ماده خشک و نشت الکترولیت در سطح احتمال 5 درصد و برای سایر صفات در سطح احتمال 1 درصد وجود داشت. نتایج نشان داد که تیمارهای مختلف موجب بهبود عمر گلجایی نسبت به شاهد شدند و حداکثر عمر گلجایی با 77/19 روز در تیمار اتانول 1 درصد + شکاف 5 سانتی‌متری ته ساقه به‌دست آمد که نسبت به شاهد (09/11 روز) موجب افزایش عمر گلجایی شد.
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