Table 1.
13C labeling leaf position and sampling stage.
| Cultivar | N Treatment | Labeled Leaf | Labeling and sampling stage | ||||
|---|---|---|---|---|---|---|---|
| Labeling stage | First sampling | Second sampling | Third sampling | ||||
| ZZ39 | CK | Flag leaf | Booting | Booting | Grain filling | Maturity | |
| Basipetal 2nd leaf | |||||||
| N150 | Flag leaf | ||||||
| Basipetal 2nd leaf | |||||||
| LLY268 | CK | Flag leaf | |||||
| Basipetal 2nd leaf | |||||||
| N150 | Flag leaf | ||||||
| Basipetal 2nd leaf | |||||||