Fig. 1
From: Rejuvenation of chicory and lettuce plants following phase change in tissue culture
The appearance of lettuce plants (cv. ‘Cobham Green’) 12 weeks after transfer from in vitro culture to a greenhouse. Vertical scale bars represent 5 cm. a A plant derived from a shoot exhibiting premature bolting while being propagated in vitro. b A plant derived from a shoot exhibiting rosette development while being propagated in vitro