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EFFECT OF WATER STRESS ON ACTIVITY OF CELL DEFENSE ENZYMES AND OSMOTIC ADJUSTMENT IN EUONYMUS FORTUNEI YOUNG PLANT

ZHAO Li-Fang1, 2, ZHANG Jin-Zheng1, ZHANG Qi-Xiang2, SHI Lei1, LU Ren-Qiang3   

  1. 1. Institute of Botany, the Chinese Academy of Sciences, Beijing 100093;
    2. Beijing Forest University, Beijing 100083;
    3. Institute of Forestry and Pomology, Beijing Academy of Agriculture and Forestry, Beijing 100093
  • Received:2003-06-16 Online:2003-12-15 Published:2016-06-14

Abstract: People are attaching more importance to Euonymus fortunei, which is a newly excellent climbing vine. However, the selecting experiment is staring in the face. In this study, Euonymus fortunei young plants were treated with the osmotic stress solution PEG 6000.The relation between the plant physiology indexes and plant drought tolerance were determined. The results showed that, along with time, relative water content(RWC) descended and defense enzymes activities ascended. Proline and soluble sugar content hoiked. The variety of higher drought tolerance took on higher activity of cell defense enzymes and osmotic adjustment.

Key words: water stress, Euonymus fortunei, defense enzymes, osmotic adjustment