Research Progress on the Role of Hydrogen-Rich Water in Plant Growth and Development and Stress Response
Hydrogen-rich water(HRW)refers to water with a saturation concentration of hydrogen(H2)of 0.0016％at room temperature and one atmosphere of pressure.It has good reducibility and can be used as a safe,green and environmentally friendly new plant growth regulator,suggesting broad application prospects in agriculture.Recent studies have found that HRW can regulate plant hormone synthesis and signal transmission,thus affecting plant growth and development.It can also effectively remove reactive oxygen species(ROS)and exert antioxidant effect,reducing plant damage in the conditions of external environment stresses.Moreover,HRW helps to preserve the postharvesting quality of fruits,vegetables and flowers,and extends the shelflife of plants.In this work,the latest research progress of HRW in promoting plant growth and development,alleviating plant stress and prolonging shelf life of plants were systematically analyzed.Subsequently,the application status and trend of HRW in horticultural plant production were discussed.Finally,it was proposed to investigate the molecular mechanism of HRW on plants by integrating plant physiology,molecular biology,genetics methods in the future.In all,this work provides important theoretical reference for application of HRW in horticultural production,and feasible suggestions are proposed for future agricultural practice of using HRW.
hydrogen-rich waterhorticulture plantgrowth and developmentabiotic stresspostharvest
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