Light intensities of B and FR were 90 mol m−2 s−1 and 62.5 mol m−2 s−1, respectively.
A 15-min period of FR light was delivered immediately after a 15-min NB with B light.
Data are represented as the mean
±
SE (n = 12).
Values followed by the same lower-case letter did not differ significantly (p < 0.05) by Tukey’s honestly significant difference test.