Effect of Choline Chloride on Photosynthetic Physiology and Antioxidant Enzyme Activity of Spinach under Low NaCl Treatment

doi:10.3969/j.issn.1000-7091.2012.01.031

Abstract

Abstract: Effects of choline chloride(CC) on growth and antioxidant enzyme activity of non halophyte spinach(Spinacia oleraceal) were studied by spraying 300 mg/L CC solutions on the leaves of spinach subjected to low NaCl concentration. The results demonstrated that CC significantly enhanced photosynthetic rate(Pn), superoxide dismutase(SOD), peroxidase(POD) and calatase(CAT) activities of spinach at low NaCl concentration. The chlorophyll content and protein content were increased but the uperoxide anion(O₂.-) and malondialdehyde(MDA) content decreased after CC treatment. It demonstrated that CC could increase salt tolerance of spinach.

Key words: Choline chloride, NaCl, Spinach, Antioxidant enzyme

CLC Number:

Q945

ZHOU Feng, ZHANG Bian-jiang, HUA Chun, QIU Nian-wei. Effect of Choline Chloride on Photosynthetic Physiology and Antioxidant Enzyme Activity of Spinach under Low NaCl Treatment[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2012, 27(1): 164-167. doi: 10.3969/j.issn.1000-7091.2012.01.031.

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http://www.hbnxb.net/EN/Y2012/V27/I1/164

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