AM COLONIZATIN, NODULATION AND GROWTH OF SESBANIA GRANDIFLORA TREE SPECIES IN TEN SOCIAL FORESTRY NURSERIESPAVAN KUMAR PINDIAbstract S. grandiflora is a short-lived, quick-growing, soft wooded tree. It is grown for ornaments and is valued as food and also as a good fodder. Bark yields a good fibre and a gum and various parts have medicinal value. Variations in mycorrhizal colonization, nodulation and growth of Sesbania grandiflora tree species was investigated from ten social forestry nurseries. AM infection and number of resting spores varied with the type of soil. A direct correlation was observed between the phosphorus uptake with AM infection and nitrogen content with the number of root nodules. Sesbania grandiflora exhibited maximum colonization, spore population and nodulation in Gadwal nursery and minimum in Maktal.
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