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Effect of H_2O_2 on Contents of Na~+ and Cl~- in Different Orgas of Cucumber Seedling Under NaCl Stress

Xiuqin Zhao

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Abstract

The effect of H2O2 on contents of Na+ and Cl-in root,stem and leaf of cucumber(Cucumis sativus L.) cultivar 'Jinchun No.2' seedling in hydroponics was investigated.The results showed that under salt stress,Na+ content in all of organs increased,Cl-content in stem and leaf increased,and Na+ and Cl-accumulated mainly in stem.Compared with the seedling treated with salt stress only,for cucumber seedling treated with NaCl+H2O2,Na+ content in root,Cl-contents in root and stem all increased,Na+ and Cl-contents in leaf decreased,and seedling biomass increased,so foliar spraying H2O2 could alleviate damage of salt stress to cucumber seedling to a certain extent.

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What this paper is about

The effect of H2O2 on contents of Na+ and Cl-in root,stem and leaf of cucumber(Cucumis sativus L.) cultivar 'Jinchun No.2' seedling in hydroponics was investigated.The results showed that under salt stress,Na+ content in all of organs increased,Cl-content in stem and leaf increased,and Na+ and Cl-accumulated mainly in stem.Compared with the seedling treated with salt stress only,for cucumber seedling treated with NaCl+H2O2,Na+ content in root,Cl-contents in root and stem all increased,Na+ and Cl-contents in leaf decreased,and seedling biomass increased,so foliar spraying H2O2 could alleviate damage of salt stress to cucumber seedling to a certain extent.

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Available abstract

The effect of H2O2 on contents of Na+ and Cl-in root,stem and leaf of cucumber(Cucumis sativus L.) cultivar 'Jinchun No.2' seedling in hydroponics was investigated.The results showed that under salt stress,Na+ content in all of organs increased,Cl-content in stem and leaf increased,and Na+ and Cl-accumulated mainly in stem.Compared with the seedling treated with salt stress only,for cucumber seedling treated with NaCl+H2O2,Na+ content in root,Cl-contents in root and stem all increased,Na+ and Cl-contents in leaf decreased,and seedling biomass increased,so foliar spraying H2O2 could alleviate damage of salt stress to cucumber seedling to a certain extent.

Key concepts: Seedling, Cucumis, Hydroponics, Horticulture, Chemistry, Salt (chemistry), Biology, Agronomy

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Effect of H_2O_2 on Contents of Na~+ and Cl~- in Different Orgas of Cucumber Seedling Under NaCl Stress — Research Paper | ScholarLens