Evaluation of silicon nanoparticles in conferring hypoxia tolerance in blueberry plants.


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Project Details

Type of project: KFU Nasher Track

Start date: 17/01/2021

End date: 15/12/2021


Abstract

In the proposed study, the modulations in carbon and nitrogen metabolism in hypoxia-stressed blueberry plants will be investigated in response to silicon nanoparticles. Plants will be grown under controlled conditions and fertigated with a complete nutrient solution. Subsequently, hypoxia stress will be simulated and plants will be supplemented with regular silicon and silicon nanoparticles to appraise their effects. Effects on carbohydrate metabolism will be assessed by determining the sucrose, glucose, fructose, starch contents, and the enzymatic activities of acid invertase (AI), neutral invertase (NI), sucrose synthetase (SS), sucrose phosphatesynthetase (SPS), fructokinase (FK), hexokinase (HK), phosphofructokinase (PFK), and pyruvate kinase (PK). Nitrogen metabolism study will be comprised of determination of nitrate, nitrite and ammonium content and the nitrate reductase (NR), nitrite reductase (NiR), glutamine synthetase (GS), glutamate synthetase (GOGAT), and glutamate dehydrogenase (GDH) activities. The present project will help to prove proof-of-concept that silicon nanoparticles yield effective hypoxia tolerance than regular silicon by modulating the carbohydrate and nitrogen metabolism in plant leaves and root tissues.


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Last updated on 2021-26-08 at 12:24