Beneficial Effects of Biochar and Chitosan on Antioxidative Capacity, Osmolytes Accumulation, and Anatomical Characters of Water-Stressed Barley Plants

Autor: Ahmed El-Said Awad, Abdelhalim I. Ghazy, Eid I. Ibrahim, Kotb Attia, Salman Alamery, Abdullah A. Al-Doss, Lamiaa M.M. El-Maghraby, Emad Rashwan, Khaled A. A. Abdelaal, Yaser M. Hafez
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Agronomy
Volume 10
Issue 5
Agronomy, Vol 10, Iss 630, p 630 (2020)
ISSN: 2073-4395
DOI: 10.3390/agronomy10050630
Popis: The impact of biochar and chitosan on barley plants under drought stress conditions was investigated during two field experiments. Our results confirmed that drought stress negatively affected morphological and physiological growth traits of barley plants such as plant height, number of leaves, chlorophyll concentrations, and relative water content. However, electrolyte leakage (EL%), lipid peroxidation (MDA), soluble sugars, sucrose and starch contents significantly increased as a response to drought stress. Additionally, 1000 grain weight, grains yield ha&minus
1 and biological yield significantly decreased in stressed barley plants, also anatomical traits such as upper epidermis, lower epidermis, lamina, and mesophyll tissue thickness as well as vascular bundle diameter of flag leaves significantly decreased compared with control. The use of biochar and chitosan led to significant increases in plant height, number of leaves, and chlorophyll concentrations as well as relative water content
nevertheless these treatments led to significant decreases in electrolyte leakage (EL%) and lipid peroxidation (MDA) in the stressed plants. Moreover, anatomical and yield characters of stressed barley plants were improved with application of biochar and chitosan. The results proved the significance of biochar and chitosan in alleviating the damaging impacts of drought on barley plants.
Databáze: OpenAIRE
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