Figure 3.
Increase of PAT in etiolated tomato hypocotyls in response to different B and R light fluences followed by 1 d of darkness. The increase in PAT is shown as percentage of the dark control. A, Increase of PAT in etiolated tomato seedlings when different R light fluences were applied. The increase was significant when R light fluence was equal to or higher than 3 μmol m−2 (P < 0.05, n = 8, Student’s t test). B, Increase of PAT in etiolated tomato seedlings when different B light fluences were applied. The increase was significant when B light fluence was equal to or higher than 100 μmol m−2 (P < 0.05, n = 8, Student’s t test). [See online article for color version of this figure.]