Establishment of Hairy Root Cultures of Rhaponticum carthamoides (Willd.) Iljin for the Production of Biomass and Caffeic Acid Derivatives

Figure 1

The hairy roots of R. carthamoides. (a) Induction of the hairy roots of the leaves after 4 weeks on MS agar (0.7%) medium. (b) Light-grown hairy roots cultured in 300 mL Erlenmeyer flasks containing 80 mL phytohormone-free WPM liquid medium after 35 days (bar = 1 cm).

(a)

(b)