A comparative study on phyllosphere nitrogen fixation by newly isolated Corynebacterium sp. & Flavobacterium sp. and their potentialities as biofertilizer

Acta Microbiologica Et Immunologica Hungarica
S Giri, B R Pati

Abstract

A number of nitrogen fixing bacteria has been isolated from forest phyllosphere on the basis of nitrogenase activity. Among them two best isolates are selected and identified as Corynebacterium sp. AN1 & Flavobacterium sp. TK2 able to reduce 88 and 132 n mol of acetylene (10(8)cells(-1)h(-1)) respectively. They were grown in large amount and sprayed on the phyllosphere of maize plants as a substitute for nitrogenous fertilizer. Marked improvements in growth and total nitrogen content of the plant have been observed by the application of these nitrogen-fixing bacteria. An average 30-37% increase in yield was obtained, which is nearer to chemical fertilizer treatment. Comparatively better effect was obtained by application of Flavobacterium sp.

References

Oct 1, 1984·Applied and Environmental Microbiology·M G Murty

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Citations

Jul 23, 2011·Archives of Microbiology·Maher GtariLouis S Tisa
Nov 27, 2015·Microbiology and Molecular Biology Reviews : MMBR·Essaid Ait BarkaGilles P van Wezel
Dec 18, 2020·Journal of Applied Microbiology·V A J M AbadiB Khatabi
Feb 6, 2021·Frontiers in Microbiology·Ugo MarzocchiUlisse Cardini

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