| morphology and morphometrics of heterodera filipjevi (madzhidov, 1981) steller, 1984 from kohgiluyeh and boyer-ahmad province, iran. | during 2007 and 2008, soil samples of wheat and barley fields of the cold regions of the kohgiluyeh and boyer-ahmad province were surveyed for cereal cyst nematode. in 65% of samples cysts were seen. morphological and morphometrics of cysts, cone top structure and second stage juveniles of the isolated populations were studied. detailed taxonomic studies revealed the existence of h. filipjevi. this is the first report of the species in the province. | 2008 | 18817233 |