اثر تیمار پس از برداشت اسید سالیسیلیک بر خصوصیات فیزیکوشیمیایی و عمر ماندگاری گل‌های شاخه بریده رز رقم هاتر کلاس

نوع مقاله: علمی - پژوهشی

نویسندگان

1 استادیار گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه زنجان

2 دانش‌آموخته کارشناسیارشد، گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه زنجان

چکیده

رزها یکی از مهم‌ترین گیاهان زینتی هستند که عمر کوتاه گل‌های شاخه بریده و مسائل پس از برداشت آن‌ها موجب کاهش کیفیت و بازار پسندی این گل‌ها می­شود. به‌منظور به‌دست آوردن اثرات مفید مواد شیمیایی ایمن و طبیعی برای افزایش ماندگاری و کیفیت بهتر گل رز، در این مطالعه اثر اسید سالیسیلیک در چهار غلظت (صفر (شاهد)، 50، 100 و 200 میکرومولار) بر شاخص‌های پس از برداشت گل‌های بریده رز رقم هاتر کلاس بررسی شد. نتایج نشان داد که اسید سالیسیلیک اثر معنی‌داری (در سطح یک درصد) بر ماندگاری، میزان کلروفیل کل، میزان نسبی جذب محلول، کاهش وزن تر، وزن خشک، نشت یونی، خمیدگی گردن، مراحل نموی گل و قطر گل، فعالیت آنزیم‌های کاتالاز و پراکسیداز نسبت به شاهد داشت. کاربرد پس از برداشت اسید سالیسیلیک عمر گل‌جای گل‌های شاخه بریده رز را از طریق افزایش ظرفیت آنتی‌اکسیدانی در ارتباط با افزایش فعالیت آنزیم‌های کاتالاز و پراکسیداز و هم‌چنین افزایش وزن تر و میزان جذب نسبی محلول و کاهش نشت یونی نسبت به شاهد طولانی‌تر کرد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Effect of Postharvest Salicylic Acid Treatment on Physico-chemical Attributes and Vase-life of Rose (Rosa hybrida cv. Hater Class) Cut Flowers

نویسندگان [English]

  • Mitra Aelaei 1
  • Mahdieh Mirzaei Mashoud 2
  • Seyed Najmeden Mortazavi 1
1 Assistant Professor, Department of Horticultural Sciences, Faculty of Agriculture, University of Zanjan, Zanjan
2 MSc Graduated, Department of Horticultural Sciences, Faculty of Agriculture, University of Zanjan, Zanjan
چکیده [English]

Roses are one of the most important ornamental plants in which the short vase life of cut flowers and postharvest problems cause loss of their quality and marketability. To gain the benefits of natural and safe chemicals towards better vase life and quality, current study was conducted to investigate the effect of salicylic acid (SA) in four doses (0 (control), 50, 100, 200 µM) on postharvest indices of rose cut flowers cv. Hater Class. The results showed that SA had a significant effect (1%) on vase life, total chlorophyll content, relative solution uptake, fresh weight reduction, ion leakage, neck bent, developmental stages, flower diameter and catalase and peroxidase activity compared to the control. Postharvest SA application prolonged vase life in cut rose flowers by increasing antioxidant capacity related to increased activity of catalase and peroxidase, and relative solution uptake as well as decreasing fresh weight reduction and ion leakage reduction compared to the control.

کلیدواژه‌ها [English]

  • Quality
  • Senescence
  • Antioxidant enzymes
  • Catalase
  • Peroxidase

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