MYCORRHIZAL (VAMF) DEPENDENCY OF SIXTY TREE SPECIESH.C. LAKSH MAN AND GEETA B. PATIL
Vesicular-arbuscular mycorrhiza (VAM) fungal association in sixty tree species with two hundred rhizosperic soil samples have been assessed, where trees grown in Botanical Garden of the University. Most of the tree species showed mycorrhizal dependency, on contrary only four tree species do not show mycorrhizal dependency. The mycorrhizal colonization and spore population varied from plant to plant. Laboratory experiments on T. bellarica revealed enhanced plant growth an biomass production in mycorrhiza inoculated plants over the control. Frequency of shoot root length and mycorrhizal dependency clearly demonstrated higher P content in shoot. Specific root length and root/shoot ratio decreased in mycorrhizal plants over the control. Therefore, it is suggested that tree seedlings need of mycorrhizal inoculation at nursery level to get sustainable plant growth before conserving in Botanical Gardens.
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