Morphological and Genetic Diversity of Rhizobia Nodulating Cowpea (Vigna unguiculata L.) from Agricultural Soils of Lower Eastern Kenya

Figure 3

Dendrogram showing the phenotypic relationships generated among rhizobia isolates from agricultural soils of lower eastern Kenya. The UPGMA method was used for the cluster analysis of seven phenotypic characteristics (color, form, size, margin, elevation, growth rate, and pH).