Establishment method for Fraxinus rhynchophylla Hance. suspension culture system
A system of Astragalus chinensis and system technology, applied in the field of plant cell engineering, to achieve the effects of promoting rapid reproduction, high dry matter content, and compact callus
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[0015] A method for establishing a suspension culture system of Fraxinus mandshurica, its concrete steps are as follows:
[0016] Step 1: Take the stems and leaves of Astragalus as explants, soak them in 75% alcohol for 25s or 28s or 30s, and soak them with saturated Ca(ClO) 2 Treat with aqueous solution for 8 minutes or 10 minutes or 12 minutes, rinse with sterile water 4 times or 5 times or 6 times;
[0017] Step 2, cut the sterilized stems and leaves into 0.5-1cm (cm) in a petri dish with a sterile knife 2 ), inoculated on the solid starting medium, WPM medium supplemented with NAA (a-naphthalene acetic acid) 1.2-1.8mg / L, TDZ (thidiazuron) 0.05-0.1mg / L, sucrose 20g / L , Agar 5.3g / L, pH6.0~6.5;
[0018] Step 3, wait until the callus grows to 1cm ~ 2cm 3 , transferred to the subculture medium WPM medium supplemented with NAA1.0mg / L, TDZ (thidiazuron)0.1mg / L, sucrose 20g / L, agar 5.3g / L, pH6.0~6.5; light 16h a day, temperature 23℃ ~26°C, cultivate for 30 days;
[0019] Step...
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