| intraspecific variation of rhizoctonia solani ag 3 isolates recovered from potato fields in central iran and south australia. | pectic zymogram, rflp and pcr analyses were used to characterize rhizoctonia solani ag 3 isolates collected from diseased potatoes in south australia. the pectic zymogram data were compared with those obtained for isolates collected from central iran. analyses of bands corresponding to pectin esterase and polygalacturonase revealed three zymogram subgroups (zg) in ag 3. in addition to the previously reported zg7 (here renamed zg7-1), two new zymogram subgroups, zg7-2 and zg7-3, were identified. ... | 2007 | 17245557 |