In order to accelerate the process and efficiency of breeding triploid Siraitia grosvenorii by artificial method,and further improve the correctness in parents' selection,in this article the triploid S. grosvenorii of F1 generation was studied and compared with its tetraploid and diploid by Peroxidase Isozyme and Esterase Isozyme analysis. The results showed that there were certain variations in Peroxidase Isozyme and Esterase Isozyme in different ploidy S. grosvenorii.Compared with the diploid,triploid and...