Table I.
Ureide concentration in shoots and nodules of 4-week-old soybean plants after treatment with 2.5 or 5 mm Alac, or after treatment with Alac followed by recovery after ureide removal, compared with control plants (experiment 5)
| Treatment | 2.5 mm
Alac
|
5.0 mm Alac
|
||
|---|---|---|---|---|
| Shoot | Nodule | Shoot | Nodule | |
| μmol ureide g−1 dry wt | ||||
| Control | 5.3 ± 0.6 | 2.7 ± 0.1 | 5.7 ± 1.3 | 1.9 ± 0.6 |
| Ureide | 21.8 ± 3.6 | 2.1 ± 0.4 | 29.4 ± 7.5 | 1.6 ± 0.7 |
| Recovery | 3.1 ± 0.2 | 3.0 ± 0.1 | 16.5 ± 4.8 | 0.9 ± 0.7 |
Plants correspond to data reported in Figure 5 harvested after the last ARA measurement. Data are means ± se of four replicates.