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Title: Physiological and biochemical responses of Lavandula angustifolia to salinity under mineral foliar application
Authors: Chrysargyris, Antonios 
Michailidi, Evgenia 
Tzortzakis, Nikos G. 
Keywords: Antioxidants;Cation application;Essential oil;Lavandula angustifolia;Salinity;Soilless culture
Category: Agriculture Forestry and Fisheries
Field: Agricultural Sciences
Issue Date: 20-Apr-2018
Publisher: Frontiers Media S.A.
Source: Frontiers in Plant Science, 2018, Volume 9, Article number 489
Abstract: Saline water has been proposed as a solution to partially cover plant water demands due to scarcity of irrigation water in hot arid areas. Lavender (Lavandula angustifolia Mill.) plants were grown hydroponically under salinity (0-25-50-100mM NaCl). The overcome of salinity stress was examined by K, Zn, and Si foliar application for the plant physiological and biochemical characteristics. The present study indicated that high (100mM NaCl) salinity decreased plant growth, content of phenolics and antioxidant status and essential oil (EO) yield, while low-moderate salinity levels maintained the volatile oil profile in lavender. The integrated foliar application of K and Zn lighten the presumable detrimental effects of salinity in terms of fresh biomass, antioxidant capacity, and EO yield. Moderate salinity stress along with balanced concentration of K though foliar application changed the primary metabolites pathways in favor of major volatile oil constituents biosynthesis and therefore lavender plant has the potential for cultivation under prevalent semi-saline conditions. Zn and Si application, had lesser effects on the content of EO constituents, even though altered salinity induced changings. Our results have demonstrated that lavender growth/development and EO production may be affected by saline levels, whereas mechanisms for alteration of induced stress are of great significance considering the importance of the oil composition, as well.
ISSN: 1664462X
Rights: © 2018 Chrysargyris, Michailidi and Tzortzakis.
Type: Article
Appears in Collections:Άρθρα/Articles

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