Selenium Improves Physiology, Biochemistry, and Quality Characteristic of Flowers in Ivy Geranium (Pelargonium peltatum L.)
محورهای موضوعی : مجله گیاهان زینتیZohreh Razmavar 1 , Rohangiz Naderi 2 , Vahid abdossi 3 , Alireza Ladanmoghadam 4 , Fereshteh Nematollahi 5
1 - Department of Horticultural Science and Agronomy, Science and Research Branch, Islamic Azad University, Tehran, Iran
2 - Department of Horticultural Sciences, University of Tehran, Tehran, Iran
3 - Department of Horticultural Science and Agronomy, Science and Research Branch, Islamic Azad University, Tehran, Iran
4 - Department of Horticultural Sciences, Garmsar Branch, Islamic Azad University, Garmsar, Iran
5 - Department of Chemistry, East Tehran Branch, Islamic Azad University, Tehran, Iran
کلید واژه: postharvest, Sodium selenite, Anthocyanin, Biochemical properties,
چکیده مقاله :
Selenium (Se) is an essential microelement for humans and a beneficial element for plants. Recently, biofortification with Se has emerged as a key practice to increase plant quality. The aim of present study was to investigate the postharvest responses of Pelargonium peltatum L. to the application of Se in soil. The Se was used as sodium selenite (Na2SeO4) in soil application of 20, 40, and 60 µM L-1 distilled water. The results showed that flower weight, relative water content (RWC), anthocyanin, and vitamin C decreased over the storage time. Malondialdehyde (MAD) increased by progressing the time of storage. Total phenolic content (TPC) and total flavonoid content (TFC) were significantly enhanced at early days of storage and then decreased up to the end of storage on days 4 and 6. Se significantly improved flower weight, RWC, anthocyanin, vitamin C, TPC, and TFC entire the storage. Although, Se was effective in enhancing the quality of P. peltatum L., there was no significant difference between 40 and 60 µM Se in all traits. Therefore, this experiment suggests using 40 µM Se to alleviate adverse effects induced by postharvest time growth on productivity of P. peltatum L.
سلنیوم (Se) یک ریز عنصر اساسی برای انسان و یک عنصر مفید برای گیاهان است. اخیراً، بهبود وضعیت گیاهان با سلنیوم به عنوان یک روش کلیدی برای افزایش کیفیت گیاه مطرح شده است. هدف از این پژوهش بررسی شاخص‌های پس از برداشت گیاه شمعدانی (Pelargonium Peltatum) با افزودن سلنیوم به بستر کاشت به فرم Na2SeO4 با غلظت‌های 20، 40 و 60 میکرومولار استفاده شد. نتایج نشان داد که، وزن گل، مقدار نسب(RWC) ،آنتوسیانین و ویتامین C در طول زمان نگهداری کاهش می‌یابد. مالون دی آلدید (MAD) با پیشرفت زمان ذخیره‌سازی افزایش یافت. محتوای فنلی کل(TPC) ، مقدار کل فلاونوئید (TFC) در روزهای اولیه ذخیره سازی به طور قابل توجهی افزایش یافته و سپس تا پایان ذخیره سازی در روزهای 4 و 6 کاهش یافت.سلنیوم به طور قابل توجهی وزن گل،RWC ، آنتوسیانین، ویتامینC ، TPC را بهبود بخشید. اگرچه سلنیوم در افزایش کیفیت شمعدنی پیچ (Pelargonium Peltatum) موثر بود، اما بین 40 و 60 میکرومولار سلنیوم در تمام صفات تفاوت معنی داری وجود نداشت. بنابراین، این آزمایش استفاده از 40 میکرومولار سلنیوم را برای بهبود ماندگای پس زمان پس از برداشت گل‌های شمعدنی پیچ (Pelargonium Peltatum) به عنوان یک گیاه زینتی، دارویی، معطر و خوراکی توصیه می‌کند.
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