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. 2025 Feb 3;16:1537378. doi: 10.3389/fpls.2025.1537378

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