Control of shoot elongation is essential in poinsettia, which is
among the largest and economically most important ornamental
Table 3
Effect of 30 min end-of-day (EOD)treatment with red (R) or far-red (FR)for 11 weeks
on endogenous levels of cytokinins (ng g−1 dry weight) in shoot tips of poinsettia
(cv. Christmas Eve).