| races of phytophthora sojae in iran. | phytophthora root and stem rot of soybean is a destructive disease of soybean in iran. races 1 and 3 of pathogen have already been reported from two major growing regions of the crop, lorestan and golestan provinces. in a survey during 2004-2005, 142 isolates of p. sojae were recovered from infected plants and naturally infested soil samples using selective media and soybean leaf baiting technique. the majority of tested isolates (110 isolates) belonged to race one of p. sojae and 32 isolates be ... | 2008 | 18817209 |