Figure 4.
Free ammonium concentration of the nodules, roots, and shoots of L. japonicus expressing a GS1 antisense RNA in the nodules. The three T1 generation plants are lines 5, 7, and 8 and the controls lines Gifu and 21. Plants were grown for 4 weeks under symbiotic N-fixing conditions before harvest. Values are the mean ± se of eight individual plants.