by using mercury ( ii ) -chloride ( hgcl2 ) and dl-6-fluorotryptophan ( 6ft ) as positive selection conditions we were able to show that n-methyl-n'-nitro-n-nitrosoguanidine ( ng ) is an effective mutagen for petunia hybrida suspension cells.a number of the 205 calli resistant to hgcl2 and 17 calli resistant to 6ft were isolated .
C0008203
chloride
C0025417
hgcl2