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ARBUSCULAR MYCORRHIZAL FUNGI ASSOCIATED WITH TISSUE CULTURE RAISED POTATO

GHAZALA NASIM

Abstract: In the present paper the types of arbuscular mycorrhizal propagules in the rhizosphere soil of the four different varieties of potato raised by meristem culturing method have been enlisted. A total of 29 species of Glomalean spores were recorded in the soil. Nineteen of these spores associated with potato crop were reported in the genus Glomus while two species each of Aculospora and Scutellospora and one each of Gigaspora and Sclerocystis were recorded. Four species could not be identified with the help of available diagnostic keys. Glomus mosseae and G. fasciculatum were scored having highest prevalence in the rhizosphere of all the progenies of four varieties studied.

Institute of Plant Pathology, University of the Punjab, Quaid-e-Azam Campus, Lahore-54590, Pakistan.

E. mail: ghazalanasim@hotmail.com