Fig. 4. Analysis of the ploidy level using flow cytometry analysis ofChrysanthemum cv. Vivid Scarlet, mother plants (control) or regenerated plants via shoot
organogenesis. A. Histogram of mother plants (control, hexaploid) planted in the greenhouse. B. Histogram of shoot organogenesis-obtained plant derived
from medium containing 1 mg L1 of benzyladenine and 2 mg L1 of a-naphthaleneacetic acid solidified with Gelrite.