Galls are also generally much larger than nodules. Severely affected root systems are often swollen, knotty, and irregular in shape (Figure 1). Plants affected by RKN ... Some of the oilseed-type ...

The equilibrium: hæmoglobin ⇄ methæmoglobin in the root nodules depends decisively on the intensity of light and on the stage of growth of the plants. The root nodules of vigorously growing ...