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Mycologia, 96(2), 2004, pp. 407-410.
© 2004 by The Mycological Society of America

Plant pathogens

Synchytrium solstitiale sp. nov. causing a false rust on Centaurea solstitialis in France


Timothy L. Widmer

     European Biological Control Laboratory, U.S.D.A. Agricultural Research Service, Campus International de Baillarguet, CS 90013, Montferrier sur Lez, 34988 St. Gely du Fesc CEDEX, France

A new species of Synchytrium, S. solstitiale, infecting leaves of Centaurea solstitialis in France, is described and illustrated. Synchytrium solstitiale causes development of orange to red galls on the leaves and petioles of living plants. It differs microscopically from all previously described species of the genus mainly in having larger sporangia and zoospores and resting spores that are formed in succession without an evanescent prosoral stage.

Key words: Chytridiales, galls, systematics, yellow starthistle






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Copyright © 2004 by The Mycological Society of America.