|Table of Contents|

Effect of Simulated Acid Rain on Antioxidative Characteristics in Different Genotypes Soybean(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2014年01期
Page:
41-45
Research Field:
Publishing date:

Info

Title:
Effect of Simulated Acid Rain on Antioxidative Characteristics in Different Genotypes Soybean
Author(s):
LIU Li xin; TIAN Yi dan; WU Yuan yuan; XING Xing hua; JIANG Hong qiang; ZHOU Qin; XING Han; JIANG Hai dong
Nanjing Agricultural University/Ministry of Agriculture Key Laboratory of Crop Physiology and Ecology in Southern China/National Center for Soybean Improvement，Nanjing 210095,China
Keywords:
Simulated acid rain; Soybean; Reactive oxygen species level; Antioxidant enzymes; Antioxidants
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2014.01.0041
Abstract:
Nannong1138-2 and Kefeng 1 were used to study the effects of simulated acid rain(SAR)with different pH on the physiological characteristics in leaves of soybean.The results showed that the moderate acidity of SAR(pH≥3.5)had no significant effects on the level of reactive oxygen species,antioxidant enzymes,non-enzymatic systems and MDA content except the POD activity of Nannong1138-2,and remained relatively stable during growing period.The yield of Nannong1138-2 decreased,while that of Kefeng 1 increased significantly at pH3.5 and pH 4.5 treatments.High acidity of SAR(pH2.5)increased reactive oxygen species level,antioxidant enzyme activities and MDA content.The damage of pH2.5 SAR increased with the treatment times and finally caused yield reduction.Kefeng 1 was hurt more than Nannong 1138-2 at high acidity of SAR.In conclusion,Kefeng 1 had better acid rain resistance under the moderate acid rain stress,while worse resistance under high acidity of SAR stress.

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Last Update: 2014-08-02