Fig. 1.

Dry weight, flavonoid content and flavonoid yield curves of suspension culture cellus (a) and adventitious root (b, c, d, f) of G. uralensis.a Dry weight, flavonoid content and flavonoid yield curves of suspension culture cellus. b, c Effects of hormones impact on dry weight, flavonoid content and flavonoids yield of adventitious root which induced from callus (b) and from stem (c). d–f Effects of salt concentration (d), sucrose concentration (e) and culturing period (f) impact on the dry weight, flavonoid content and flavonoids yield of addvetitious roots which induced from stem