|Table of Contents|

Effect of Fulvic Acid (FA) from Lignite Degraded on Germination Rate and Activities of Main Antioxidases in Soybean Seedlings(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2010年04期
Page:
607-610
Research Field:
Publishing date:

Info

Title:
Effect of Fulvic Acid (FA) from Lignite Degraded on Germination Rate and Activities of Main Antioxidases in Soybean Seedlings
Author(s):
LUAN Bai;  GAO Tong-guo;  JIANG Feng;  LI Bao-zhen;  YANG Jin-shui; YUAN Hong-li
State Key Lab for Agrobiothchnology, Key Laboratory of Agro-Microbial Resource and Application, Ministry of Agriculture College of Biological Sciences, China Agricultural University, Beijing 100193, China
Keywords:
Soybean; Fulvic acid; Biodegradation; Antioxidase
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2010.04.0607
Abstract:
The antioxidase system can remove reactive oxygen and play an important role in the process of soybean germination. To study how fulvic acid (FA),produced by microbial degraded lignite, can improve the germination, Spectrophotometry and nitroblue tetrazolium test (NBT) ilumination method were taken to detect the activities of peroxidase (POD) , catalase (CAT) and superoxide dismutase (SOD). The results showed when the concentration of FA was 100 mg·kg-1, the activities of CAT and SOD were improved by 32.15% and 24.5%,respectively. The germination ratio increased by 34.6% under a condition where the concentration of FA was 200 mg·kg-1,and the activity of POD was also increased by 19.92% under this FA concentration. In contrast with the promotion effect, solution with high FA concentration can restrain the activities of antioxidase. The study has shown that appropriate concentration of FA from lignite degraded by microorganism can improve the germination of soybean and increase the activities of POD, CAT and SOD significantly. FA is something like plant growth regulator, the appropriate concentration of FA can improve the germination ratio of soybean seed and improve its activities of antioxidase apparently.

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Last Update: 2014-09-14