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[1]CAI Minglei,ZHAO Linyu,LI Yangyang,et al.Effects of Magnetized Water Irrigation on the Growth and Physiological Characteristics of Cucumber Seedlings Under Salt Stress[J].Research of Soil and Water Conservation,2022,29(03):358-366.

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Effects of Magnetized Water Irrigation on the Growth and Physiological Characteristics of Cucumber Seedlings Under Salt Stress

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 29 Number of periods: 2022 03 Page number: 358-366 Column: Public date: 2022-04-20

Title:: Effects of Magnetized Water Irrigation on the Growth and Physiological Characteristics of Cucumber Seedlings Under Salt Stress

Author(s):: CAI Minglei¹, ZHAO Linyu¹, LI Yangyang², FAN Jun²; (1.College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China; 2.State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Platesu, Institute of Soil and Water Conservation, Northwest A&F University, Yangling, Shaanxi 712100, China)

Keywords:: salt stress; magnetized water irrigation; cucumber seedling; growth; physiological characteristics

CLC:: S121; S183

DOI:: -

Abstract:: In order to explore the effects of magnetized water irrigation on the growth and physiological characteristics of cucumber seedlings under salt stress, a sand culture experiment with 2 factors × 2 levels design was set up in the phytotron, including four treatments with two magnetized water levels(D: distilled water, M: magnetized distilled water)and two salt levels(Na0:0 mmol/L, Na1:100 mmol/L NaCl), the effects of magnetized water irrigation on the growth, water relation, photosynthetic gas exchange, antioxidant capacity, N, P, K and Na contents of cucumber seedlings under salt stress were studied. Results indicated that:(1)magnetized water irrigation improved the growth and/or physiological activities of cucumber seedlings under both non-salt and salt stress; the positive role of magnetized water irrigation was larger under salt stress than that under non-salt condition, and increased with the longer application of magnetized water and increased duration of salt stress;(2)the physiological mechanism of magnetized water use improving the growth of cucumber seedlings was mainly attributed to enhancing root growth, improving leaf water relation, increasing leaf chlorophyll content, net photosynthetic rate and instantaneous water use efficiency, decreasing the damaged degree of cellular membrane by stimulating protective enzyme activities, decreasing Na⁺ content in roots, stems and leaves and increased K⁺/Na⁺ ratio of cucumber seedlings. The study provides theoretical basis of irrigating the cucumber grown in secondary salinization soil with magnetized water.

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Last Update: 2022-04-20