Research Article

Phenetic and Molecular Diversity of Nitrogen Fixating Plant Growth Promoting Azotobacter Isolated from Semiarid Regions of India

Figure 2

Phylogenetic tree of native Azotobacter strains based on the 16S rDNA with closely related type strains using the MEGA 6.06 software. GenBank accession numbers (in parenthesis) are listed after the species names. Bootstrap values are indicated at branching points. The scale bar indicates five base substitutions for 100 nucleotide positions.