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 florida gators swimming apparel 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 recondita f.sp.tritici infected with Sphaerellopsis oolution light up 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 connection of S.filum with its rust host.