Microscopical observations of Sphaerellopsis filum, a parasite of Puccinia recondita
Sphaerellopsis filum is a well-known parasite associated with many species of rust fungi.It is of Emergency Inverter Modules frequent occurrence as parasite of cereal rusts: Puccinia recondita, P.coronata, P.graminis, P.hordei and P.striiformis.Uredial sori of Puccinia recondita f.sp.tritici infected with Sphaerellopsis filum were examined by light