摘要
通过水培实验研究了Cu、As单一及复合污染对黄豆种子萌发、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 ,对黄豆种子萌发时的呼吸强度、蛋白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 .Cu、As污染共同存在时 ,随二者投加比例不同出现不同程度的拮抗效应 。
Experiments are carried out with hoagland cultivation to study the effects of Cu and As and their interactions on the germination and seedling growth of Glycine max. The results show that Cu or As pollution reduced proteinase activities,inhibited the seedling growth and the respiration rate of germinating seed of soybean.The inhibition increased as Cu and As concentration increased,POD activities increased with increasing Cu and As concentration.Cu pollution has an antagonistic effect against the pollution of As,and vise versa.
出处
《应用生态学报》
CAS
CSCD
2001年第1期117-120,共4页
Chinese Journal of Applied Ecology
基金
教育部留学回归人员基金资助项目
安徽师范大学青年科学基金资助项目
