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Interrelations of micro-organisms and mulberry II. Phyllosphere microflora and nitrogen fixation in leaf and root surfaces

Vasantharajan, VN and Bhat, JV (1968) Interrelations of micro-organisms and mulberry II. Phyllosphere microflora and nitrogen fixation in leaf and root surfaces. In: Plant and Soil, 28 (2). pp. 258-267.

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Abstract

The mulberry leaves were shown to harbour substantial populations of bacteria, streptomycetes, yeasts, and moulds. Azotobacter and Beijerinckia were observed to contribute to nearly 5 to 10 per cent of the bacterial population. When grown in water culture under sterile conditions, Azotobacter inoculation on the leaf or root surface was found to increase plant growth, dry wt, and nitrogen content of the mulberry. The beneficial effect of Azotobacter was largely influenced by the presence of a carbon source in the plant nutrient solution. The root inoculation in comparison to leaf application was found to confer greater benefits to the growing plant. The presence of carbohydrates and amino acids in the leaf leachates of mulberry was shown. The mutual beneficial nature of the association of the plant and Azotobacter has been brought to light.

Item Type: Journal Article
Additional Information: Copy right of this article belongs to Springer.
Department/Centre: Division of Biological Sciences > Microbiology & Cell Biology
Date Deposited: 14 May 2010 04:58
Last Modified: 08 Jul 2011 07:18
URI: http://eprints.iisc.ernet.in/id/eprint/27739

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