Impact of Ethylene diurea (EDU) on growth, yield and proteome of two winter wheat varieties under high ambient ozone phytotoxicity. (April 2018)

• Record Type: Journal Article
• Authors: Gupta, Sunil K.; Sharma, Marisha; Majumder, Baisakhi; Maurya, Vivek K.; Lohani, Meenakshi; Deeba, Farah; Pandey, Vivek
• Is Part Of: Chemosphere. Volume 196(2018)
• Page Start: 161
• Page End: 173
• Publication Date: 2018-04
• Subjects: Tropospheric ozone -- EDU -- Wheat -- Growth -- Yield -- Proteomics -- Mass spectrometry; Pollution -- Periodicals; Pollution -- Physiological effect -- Periodicals; Environmental sciences -- Periodicals; Atmospheric chemistry -- Periodicals; 551.511
• DOI: 10.1016/j.chemosphere.2017.12.150
• Languages: English
• ISSNs: 0045-6535

Abstract

Abstract: The present study evaluated the impact of high ambient O3 on morphological, physiological and biochemical traits and leaf proteome in two high-yielding varieties of wheat using ethylene diurea (EDU) as foliar spray (200 and 300 ppm). Average ambient ozone concentration was 60 ppb which was more than sufficient to cause phytotoxic effects. EDU treatment resulted in less lipid peroxidation along with increased chlorophyll content, biomass and yield. EDU alleviated the negative effects of ozone by enhancing activities of antioxidants and antioxidative enzymes. Two dimensional electrophoresis (2DGE) analysis revealed massive changes in protein abundance in Kundan at vegetative stage (50% proteins were increased, 20% were decreased) and at flowering stage (25% increased, 18% decreased). In PBW 343 at both the developmental stages about 15% proteins were increased whereas 20% were decreased in abundance. Higher abundance of proteins related to carbon metabolism, defense and photorespiration conferred tolerance to EDU treated Kundan. In PBW343, EDU provided incomplete protection as evidenced by low abundance of many primary metabolism related proteins. Proteomic changes in response to EDU treatment in two varieties are discussed in relation to growth and yield. Graphical abstract: Image 1 Highlights: Ethylene Diurea (EDU) enhanced tolerance to high ambient phytotoxic ozone stress in wheat. EDU treated plants showed higher antioxidant capacity in the ascorbate-glutathione cycle. In yield spikelet number and 1000 grain weight increased significantly in Kundan cultivar. Protein related to growth and yields were expressed differentially for better performance.