Figure 5
The autoradiogram of the whole wheat plant (left panel) and nuclear emulsion MARs of the slides with the cross-sections of the eight-day old wheat seedling treated with [3H]HA (50 mg·L−1, ~0.7 mCi L−1, 24 h) (right panel).
Exposure time for the MAR was 97 d. (a) Transverse section of the shoot apex; (b–d) transverse section of the root hair zone; (e) transverse section of the root cap.
