PJB-2017-821
DIVERSITY OF ARBUSCULAR MYCORRHIZAL FUNGI IN RHIZOSPHERE OF MORINGA OLEIFERA
NIMRA BATOOL
Abstract
Arbuscular mycorrhizal (AM) fungi associated with Moringa oleifera and their relation to some physico-chemical characters were studied. Sampling was conducted from 12 different sites of Bagdad-ul-Jadeed campus of The Islamia University of Bahawalpur on the basis of varying topographic factors. Roots were quantified to determine percent mycorrhizal colonization while the soil was analyzed to determine diversity and abundance of spores. A total of 26 different AM fungal morphotypes scattered over 6 genera i.e. Acaulospora, Entrophospora, Gigaspora, Glomus, Scutellospora and Sclerocystis were recorded both from rhizosphere and trap cultures. No correlation was found between density of spores and percent mycorrhizal colonization in the roots. Glomus was most abundant with 14 species followed by Acaulospora with six species. Apart from that varying degrees (5- 48%) of DSE (dark septate endophytes) were also recorded.
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