Effects of ZnSO4 Foliar Application on Vegetative Growth and Phenolic and Essential Oil Content of Geranium (Pelargonium odoratissimum L.)

Journal of Ornamental Plants

مقاله 7، دوره 6، شماره 3، آذر 2016، صفحه 193-199   

نوع مقاله: Research Paper

نویسندگان

Lamia Vojodi Mehrabani^{* 1}؛ Mohammad Bagher Hassanpouraghdam²؛ Asghar Ebrahimzadeh²؛ Rana Valizadeh Kamran³

¹Assistant Professor, Azarbaijan Shahid Madani University

²Department of Horticulture, University of Maragheh

³Department of Biotechnology, Azarbaijan Shahid Madani University

چکیده

Pelargonium odoratissimum is a perennial evergreen used as a fragrant ornamental plant. Leaves, green branches and fresh flowers contain essential oils, that have been shown to possess antibacterial, antifungal, antiviral, insecticidal and antioxidant properties. In order to study the effect of foliar spray of ZnSO₄ (0, 1000, 2000, 3000 and 4000 mg L^-1) on vegetative growth and some physiological characteristics of Pelargonium odoratissimum L. plants, a pot experiment was carried out during 2015 at the Research Greenhouse of Azarbaijan Shahid Madani University, Iran. Vegetative growth (plant height, fresh and dry weight) was significantly affected by the application of ZnSO₄. Foliar application of ZnSO₄ promoted plant height especially at 2000 mg L^-1. Chlorophyll a, b, total chlorophyll and carotenoid contents were affected with ZnSO₄ treatment as well. The content of essential oil was not significantly influenced with ZnSO₄ spray. ZnSO₄ application had significant effect on total phenolic and anthocyanins (at 1000 and 2000  mg L^-1) and total flavonoids (at 2000 mg L^-1) content.

کلیدواژه‌ها

Essential Oil؛ growth؛ Pelargonium odoratissimum L؛ phenolic compound؛ ZnSO4

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