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Background: Dinh Lang [Polyscias fruticosa (L.) Harms] is a medicinal plant widely grown in Vietnam, with proven note-worthy health benefits. However, Dinh Lang’s amounts of triterpenoid saponins could not meet the need of the pharmaceutical industry. Thus, this study’s purpose is to figure out the optimal condition for raising Dinh Lang’s cell biomass, rhizogenesis and somatic embryogenesis to provide materials for bioactive compound productions. Methods: Different 2,4-dichlorophenoxyacetic acid and α-naphthaleneacetic acid concentrations (0.5, 1.0, 1.5 and 2.0 mg/L) were examined to determine the best amount of each plant growth regulator for raising cells’ biomass, rhizogenesis and somatic embryogenesis. In each treatment, two grams of eight-week-old calli were cultured in 50 mL of liquid MS medium. Result: It is demonstrated by the results that liquid MS medium containing 1.5 mg/L α-naphthaleneacetic acid has the capacity of producing the highest numbers of somatic embryos (489 embryos per flask) and rooted cells (259.5 cells per flask), while the fresh weight of cells cultured in the medium given 1.5 mg/L 2,4-dichlorophenoxyacetic acid reached its peak of 5.7 g.

indian journal of agricultural research

The Effects of 2,4-Dichlorophenoxyacetic Acid and α-Naphthaleneacetic Acid on Biomass Increment, Rhizogenesis and Somatic Embryogenesis of Suspension-cultured Dinh Lang Cells [Polyscias fruticosa (L.) Harms]