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Abstract ▼ AI-Helper

This study was conducted to establish mass propagation system from the tissue culture using immature embroys in Eleutherococus senticosus. Immature embroys from seeds were removed under the microscope and placed on modified SH and WPM medium containing several plant growth regulators. The calli were...

This study was conducted to establish mass propagation system from the tissue culture using immature embroys in Eleutherococus senticosus. Immature embroys from seeds were removed under the microscope and placed on modified SH and WPM medium containing several plant growth regulators. The calli were well formed on media containing 1mg/l of 2,4-D on modified SH medium and 1mg/l of 2,4-D and 3mg/l of TDZ on WPM medium. Shoot regeneration was better on modified SH or WPM medium with combination of high concentration of TDZ and low concentration of 2,4-D. Treatment of 2,4-D alone was better than treatment of TDZ alone in callus induction on modified SH medium but plant regeneration reversed. Treatment of 2.4-D and TDZ combination was better than treatment of 2,4-D alone in callus induction on WPM medium. The results of callus formation and shoot regeneration on WPM media differed to those of SH media. The rate of callus formation was nearly 83% when 2,4-D was added to SH medium on concentration of 1mg/l. The rate of callus formation was nearly 38% when combination treatment of 2,4-D 1mg/l and TDZ 3mg/l was added to WPM medium. Also, plant regeneration differed depending on the mature degree of immature embryo.