Abstract
The growth of Casuarina cunninghamiana seedlings was stimulated when inoculated with Azospirillum brasilense. This resulted in a higher biomass production than in uninoculated controls in the presence or absence of a non-nodulating strain of Frankia.
Increase in whole plant dry weight was due to a significant increase in both shoot and root biomass, which corresponded with a higher total N content of the plants inoculated with Azospirillum. No such effects were observed under inoculation with a non-nodulating Frankia strain. These results suggest that the growth-promoting substances provided by A. brasilense may have enhanced the growth of Casuarina seedlings.
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Rodríguez-Barrueco, C., Cervantes, E., Subbarao, N.S. et al. Growth promoting effect of Azospirillum brasilense on Casuarina cunninghamiana Miq. seedlings. Plant Soil 135, 121–124 (1991). https://doi.org/10.1007/BF00014784
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DOI: https://doi.org/10.1007/BF00014784