The effect of temperature on the size of bacteroids in nodules of <i>Glycine max</i> and <i>Glycine soja</i> plants inoculated with the <i>Bradyrhizobium liaoningense</i&amp

It is known that Glycine max and G. soja, entering into symbiotic relations with different rhizobia species, form nodules of determinate type. In such nodules, bacteroids are low differentiated and only slightly differ from free-living bacteria. Recently, it has been shown that in G. soja nodules when inoculated with Bradyrhizobium liaoningense strain RCAM04656, bacteroids were significantly larger than free-living bacteria. In this study, decreased temperature (21°C) was found to increase variation in the length of bacteroids in both G. max and G. soja nodules, with individual bacteroids increasing in size more than 15-fold over bacteria. At the optimal temperature (28°/24°C), the size of bacteroids varied to a lesser extent.