Effects of Azospirillum brasilense on nodulation and growth of common bean (Phaseolus vulgaris L.)

S. Burdman, J. Kigel, Y. Okon*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

71 Scopus citations

Abstract

Combined inoculation of potted common bean plants with Rhizobium and Azospirillum significantly increased both upper and total nodule number and N2-fixation as compared with inoculation with Rhizobium alone. At an Azospirillum concentration of 108 cfu ml-1, the combined inoculation reduced root and shoot dry weight accumulation in comparison with Rhizobium alone and with uninoculated controls. However, when the combined inoculation was performed using a lower Azospirillum concentration (5 x 106 cfu ml-61), positive effects on plant growth were observed, although the enhancement of nodulation and N2-fixation were not as great as observed at the higher Azospirillum concentration. Field application of these findings are discussed.

Original languageAmerican English
Pages (from-to)923-929
Number of pages7
JournalSoil Biology and Biochemistry
Volume29
Issue number5-6
DOIs
StatePublished - 1997

Bibliographical note

Funding Information:
Acknowledgemenrs-This work was supported by The Wolfson Foundation for Scientific Research and by a grant of The Council for Vegetable Production and Marketing, Israel.

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