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  • CN 62-1070/P
  • ISSN 1000-694X
  • Bimonthly 1981
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Effects of Sand Burial on Growth of Wheat and Its Physiological Responses

  • Zhao Halin ,
  • Qu Hao ,
  • Zhou Ruilian ,
  • Yun Jianying ,
  • Li Jin ,
  • Wang Jin
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  • 1. Cold and Arid Regions Environment and Engineering Institute, Chinese Academy of Sciences, Lanzhou 730000, China;
    2. Faculty of Life Sciences, Ludong University, Yantai 264025, Shandong, China

Received date: 2013-03-04

  Revised date: 2013-05-26

  Online published: 2014-05-20

Abstract

Changes on survival rate, plant height, above and below ground biomass, seed yield, malondialdehyde, membrane permeability, protect enzyme activity and osmotic regulation substances of wheat in different sand burial depths was studies during 2010-2011 in the Horqin Sand Land of Inner Mongolia to understand effects of sand burial on wheat growth and its physiological response. The results showed that the survival rate, plant height, above and below ground biomass, seed yield decreased significantly with creasing sand burial, all seedlings died at sixth day in the complete sand burial. At the sixth day of sand burial, malondialdehyde content, catalase activity and soluble sugar content decreased significantly with increase of sand burial depth, while membrane permeability, superoxide dismutase activity and proline content increased significantly and change of peroxidase activity was not significant. At the s twelfth day of sand burial, malondialdehyde and membrane permeability, activities of superoxide dismutase, peroxidase and catalase, as well as proline and soluble sugar contents increased significantly with increase of sand burial depth. Main causes on increased mortality, growth inhibition and decreased biomass is not water stress in sand burial stress, which should be attribution to a decrease of photosynthetic area, dark and anaerobic respiration, as well as lipid peroxidation and cell membrane damage. But increase of protective enzyme activities and osmotic regulation substances played an important role to reduce cell membrane damage and prevent the leakage of cytoplasm.

Cite this article

Zhao Halin , Qu Hao , Zhou Ruilian , Yun Jianying , Li Jin , Wang Jin . Effects of Sand Burial on Growth of Wheat and Its Physiological Responses[J]. Journal of Desert Research, 2014 , 34(3) : 689 -695 . DOI: 10.7522/j.issn.1000-694X.2013.00371

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