Cu、As对作物种子萌发和幼苗生长影响的研究

应用生态学报 ›› 2002, Vol. ›› Issue (2): 179-182.

Cu、As对作物种子萌发和幼苗生长影响的研究

刘登义, 王友保

安徽师范大学生命科学学院, 芜湖 241000

收稿日期:2001-04-19 修回日期:2001-08-06 出版日期:2002-02-15
通讯作者: 刘登义,男,1958年9月生,博士,教授,博导.主要从事植物种群生态学、生物多样性及其保护和污染生态学研究,已发表论文40余篇,出版专著两部.E-mail:ldy@mail.ahnu.edu.cn
基金资助:
教育部留学回归人员基金资助项目

Effects of Cu and As on germination and seedling growth of crops

LIU Dengyi, WANG Youbao

College of Life Science, Anhui Normal University, Wuhu 241000

Received:2001-04-19 Revised:2001-08-06 Online:2002-02-15

摘要/Abstract

摘要： 通过水培实验研究了Cu、As污染对作物种子萌发、幼苗生长及部分酶活性的影响.结果表明,Cu、As污染明显抑制黄豆种子萌发、幼苗生长,对作物种子萌发时的呼吸强度、酶活性有显著的抑制作用,且随着Cu、As浓度的增加,抑制作用增强,呈负相关;而POD活性则随污染物浓度的增加而增加,呈正相关.

关键词: Cu, As, 种子萌发, 幼苗生长, 酶活性

Abstract: Asolution-culture experiment was carried out to explore effects of Cu and As on the germination and seedling growth of crops.The results showed that Cu or As pollution could reduce the activites of protease and diastase,inhibit the seedling growth and the respiration rate of germinating seed of soybean.The inhibition was strengthened with the increase in the concentrations of Cu and As.However,the activity of PODwas increased with the concentrations of Cu and As in the exposed solution.

Key words: Cu, As, Seed germination, Seedling growth, Enzyme activity

中图分类号:

X171.5

刘登义, 王友保. Cu、As对作物种子萌发和幼苗生长影响的研究[J]. 应用生态学报, 2002, (2): 179-182.

LIU Dengyi, WANG Youbao . Effects of Cu and As on germination and seedling growth of crops[J]. Chinese Journal of Applied Ecology, 2002, (2): 179-182.

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