Microscopical observations of Sphaerellopsis filum, a parasite of Puccinia recondita

Microscopical observations of Sphaerellopsis filum, a parasite of Puccinia recondita

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Sphaerellopsis filum is a well-known parasite associated with many species of rust fungi.It is of frequent occurrence as parasite of cereal rusts: Puccinia recondita, P.coronata, P.graminis, P.

hordei and P.striiformis.Uredial sori of Puccinia podocarpus gracilior column recondita f.sp.

tritici infected with Sphaerellopsis filum were examined by light and scanning microscope to determine morphology of hyperparasite as well as the parasite-hyperparasite contact.The microscopical examination of infected uredinia clearly showed the intimate the beast sullivan supply connection of S.filum with its rust host.