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Detoxification of Calcium on Soybean Seeds Under Copper Stress(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2008年06期
Page:
1072-1075
Research Field:
Publishing date:

Info

Title:
Detoxification of Calcium on Soybean Seeds Under Copper Stress
Author(s):
CHEN Jin-feng; HU Bin-jie; HAN Yan-xia; YANG Xiao-ke
College of Chemical Engineering Kaifeng University，Kaifeng 475004，Henan，China
Keywords:
Copper stress; Calcium; soybean; Protective enzymes
PACS:
Q171.5
DOI:
10.11861/j.issn.1000-9841.2008.06.1072
Abstract:
To obtain soybean superior character with stress resistance and higher yield，the study of calcium on soybean seeds under copper stress is important.The seeds was soaked in different copper concentrations of 0，0.4，0.8，4 mmol.L-1，supplied with 4.5，9.0 mmol.L-1 calcium，and then the seeds germination，relative permeability and activities of protective enzymes were investigated.The results showed the seed vigor was decreased with the increasing of copper concentration.Addition of calcium could alleviate the toxicity of 0.8 mmol.L-1 copper to soybean seeds，especially increasing seed activity index，improving root length，and reducing the relative permeability of cell membrane.Under different copper concentrations，4.5 mol.L-1calcium could increase pod activity and decrease CAT activity.The results indicated that calcium alleviated copper toxicity on soybean seeds to a certain extent，and protective enzymes could maintain the integrity of cell membrane.

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Last Update: 2014-10-06