[Effect of Cu and As and their combination pollution on Glycine max]

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.