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2013•Anhui nongye kexueRequires access

Effects of NaCl Stress on Seed Germination and Seedling Growth of Arabidopsis thaliana

LU Hong-xia

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Abstract

[Objective] The paper was to study the effects of NaCl stress on seed germination and seedling growth of Arabidopsis thaliana.[Method] Using Arabidopsis thaliana as material,the effects of NaCl in the concentration of 0,50,100,150,200 mmol/L on seed germination and seedling growth were studied,and its physical-chemical properties were measured.[Result] With the increase of NaCl concentration,the germination vigor and germination rate of A.thaliana seeds decreased,and the seedlings fresh weight decreased either.The average root length at low salt concentration was longer than that of control group,but it decreased with the increase of salt concentration under high salt concentration.The proline content and MDA content of A.thaliana were higher compared with control group under NaCl stress.[Conclusion] NaCl stress had a certain inhibitory effect on seed germination of A.thaliana and NaCl stress could cause membrane lipid peroxidation to damage seedlings.

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What this paper is about

[Objective] The paper was to study the effects of NaCl stress on seed germination and seedling growth of Arabidopsis thaliana.[Method] Using Arabidopsis thaliana as material,the effects of NaCl in the concentration of 0,50,100,150,200 mmol/L on seed germination and seedling growth were studied,and its physical-chemical properties were measured.[Result] With the increase of NaCl concentration,the germination vigor and germination rate of A.thaliana seeds decreased,and the seedlings fresh weight decreased either.The average root length at low salt concentration was longer than that of control group,but it decreased with the increase of salt concentration under high salt concentration.The proline content and MDA content of A.thaliana were higher compared with control group under NaCl stress.[Conclusion] NaCl stress had a certain inhibitory effect on seed germination of A.thaliana and NaCl stress could cause membrane lipid peroxidation to damage seedlings.

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Available abstract

[Objective] The paper was to study the effects of NaCl stress on seed germination and seedling growth of Arabidopsis thaliana.[Method] Using Arabidopsis thaliana as material,the effects of NaCl in the concentration of 0,50,100,150,200 mmol/L on seed germination and seedling growth were studied,and its physical-chemical properties were measured.[Result] With the increase of NaCl concentration,the germination vigor and germination rate of A.thaliana seeds decreased,and the seedlings fresh weight decreased either.The average root length at low salt concentration was longer than that of control group,but it decreased with the increase of salt concentration under high salt concentration.The proline content and MDA content of A.thaliana were higher compared with control group under NaCl stress.[Conclusion] NaCl stress had a certain inhibitory effect on seed germination of A.thaliana and NaCl stress could cause membrane lipid peroxidation to damage seedlings.

Key concepts: Seedling, Germination, Arabidopsis thaliana, Proline, Horticulture, Salt (chemistry), Chemistry, Botany

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