Alleviating adverse effects of salt stress in pot marigold (Calendula officinalis L.) by foliar spray of silicon and nano-silicon under greenhouse and field conditions
سال انتشار: 1402
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 114
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شناسه ملی سند علمی:
JR_JHPR-6-22_006
تاریخ نمایه سازی: 19 شهریور 1402
چکیده مقاله:
Purpose: In order to assay the impact of silicon (Si) and nano-Si on morphological and physiological traits of pot marigold (Calendula officinalis L.) under salt stress conditions, an experiment was conducted under greenhouse and field conditions. Research Method: The experiment was based on a completely randomized design including two levels of saline water (۱.۱ (control) and ۶.۱ dS m-۱) and three levels of foliar spray (۰, ۲.۵ mM Si and nano-Si) with ۴ replications. Findings: Salinity stress decreased the vegetative and flowering parameters of pot marigold in the both conditions. Supplemental Si and nano-Si increased the dry weight of flowers under salt stress in the greenhouse (۴۷ and ۷۱%) and field (۸۶ and ۹۴%) conditions, respectively. Foliar application of nano-Si enhanced the flower total phenols of salt-stressed plants by ۷۶% (greenhouse) and ۵۰% (field), respectively. Under saline conditions, the use of nano-Si increased the flower antioxidant activity in the field by ۱۷% in comparison to the control. Supplemental Si and nano-Si could reduce the negative impacts of salinity through increasing enzymatic and non-enzymatic antioxidants, accumulating soluble sugars, improving water relations, and enhancing chlorophyll content. Research limitations: No limitations were found. Originality/value: Based on the results of present study, the use of Si and nano-Si improved the growth and physiological characteristics of pot marigold under saline conditions.
کلیدواژه ها:
نویسندگان
Hassan Bayat
Department of Horticultural Science, College of Agriculture, University of Birjand, Birjand, Iran
Basireh Shahraki
Department of Horticultural Science, College of Agriculture, University of Birjand, Birjand, Iran
Mohammad Hossein Aminifard
Department of Horticulture and Special Plants Regional Research Centre, Faculty of Agriculture, University of Birjand, Iran
Farhad Azarmi-Atajan
Department of Soil Science and Engineering, College of Agriculture, University of Birjand, Birjand, Iran
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