|Table of Contents|

Effects of Reactive Oxygen Species Metabolic System on Soybean (Glycine max) under Exogenous Chitosan to Ozone Stress(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2010年03期
Page:
408-412
Research Field:
Publishing date:

Info

Title:
Effects of Reactive Oxygen Species Metabolic System on Soybean (Glycine max) under Exogenous Chitosan to Ozone Stress
Author(s):
WANG Yan;  ZHAO Yi-xin;  SUN Jia-wei;  WANG Jun-li;  CAO Ying;  ZHAO Tian-hong
College of Agronomy, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
Keywords:
Exogenous CTS; Ozone stress; ROS metabolic
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2010.03.0408
Abstract:
In order to reveal effect mechanism of crop reactive oxygen species (ROS) metabolic system under exogenous chitosan (CTS) to ozone (O3) stress, open top chambers were utilized to investigate the change of ROS production rate, lipid peroxidation extent, anti-oxidative enzymes activities and antioxidant content in soybean (Glycine max) leaves and the grains yield.The results indicated that,compared to the control,the elevated O3 concentration induced an increase on O2production rate,H2O2content,MDA content and relative electrical conductivity and a decrease on the activities of SOD,CAT and POD,the content of AsA and GSH in the whole growth stage and also a decline on grains yield. Exogenous CTS treatment relieves the aggravation of ROS damage through ozone stress, which represents protective efficacy to soybean, O2production rate, H2O2content, MDA content and membrane permeability decreased, while anti-oxidative enzymes activity and anti-oxidative substances increased. But the alleviation of exogenous CTS to ozone is limited.

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