Exogenous gamma-aminobutyric acid increases salt tolerance of wheat by improving photosynthesis and enhancing activities of antioxidant enzymes
作者： M. F. Li , S. J. Guo , X. H. Yang , Q. W. Meng , X. J. Wei
DOI: 10.1007/S10535-015-0559-1
关键词: gamma-Aminobutyric acid 、 Malondialdehyde 、 Biology 、 Photosynthetic capacity 、 Catalase 、 Food science 、 Shoot 、 Antioxidant 、 Photosynthesis 、 Chlorophyll fluorescence 、 Biochemistry
摘要: Gamma-aminobutyric acid (GABA) is a non-protein amino that accumulates in number of plant species under various environmental stresses. In this paper, the ability applied GABA for alleviation NaCl stress was investigated view growth parameters, gas exchange, photosynthetic pigments, chlorophyll fluorescence, activities antioxidant enzymes, malondialdehyde (MDA) content, and electrolyte conductivity (REC) wheat seedlings. Germination rate shoot dry mass decreased with an increasing concentration decrease less pronounced when 0.5 mM applied. NaCl-treated seedlings, exogenous partially enhanced capacity enzyme MDA content REC. Therefore, reduced impact salinity on
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