Rapid propagation method of astragalus membranaceus calluses and astragalus membranaceus suspension cells
A technology of suspension cells and callus, applied in biochemical equipment and methods, plant cells, tissue culture, etc., can solve the problems of yield and quality decline, lack of natural resources of Astragalus membranaceus, etc., achieve less pollution, facilitate large-scale production operations, fast growth effect
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[0017] Example 1
[0018] Take the young leaves of outdoor astragalus in spring, soak the buds, washing powder for 4 minutes, rinse with running water for 50 minutes, sterilize with sodium hypochlorite for 12 minutes, rinse with sterile water 5 times, and inoculate it into MS medium for callus induction. Additional hormone 1mg / LNAA, 3mg / L2,4-D, 30g / L sucrose, 7g / L agar, pH=8, temperature 25℃, humidity 50%-70%, light intensity 2000LX; light period 14h dark period 10h ; Take the induced tender green loose callus and inoculate it into a 100 mL Erlenmeyer flask containing 40 mL MS liquid medium. The medium formula is MS+0.5mg / LNAA+1mg / LIBA. After inoculation, place it on a rotary shaker Shake culture, the rotation speed of the shaker is 100-120 r / min, the temperature is 25℃, the initial liquid culture callus grows vigorously, after shaking the culture medium, let it stand for a while, and subculture with a suspension cell mass of moderate particles. 200 mL Erlenmeyer flask was fille...
Example Embodiment
[0019] Example 2
[0020] Take the young leaves of outdoor astragalus in spring, soak the buds, washing powder for 4 minutes, rinse with running water for 50 minutes, sterilize with sodium hypochlorite for 12 minutes, rinse with sterile water 5 times, and inoculate it into MS medium for callus induction. Additional hormone 0.1mg / LNAA, 3mg / L2,4-D, sucrose 30g / L, agar 7g / L, pH=8, temperature 25℃, humidity 50%-70%, light intensity 2000LX; photoperiod 14 h dark Period 10h; take the induced tender green loose callus and inoculate it into a 100 mL Erlenmeyer flask containing 40 mL MS liquid medium. The medium formula is MS+0.5mg / LNAA+2mg / LIBA. After inoculation, place it in a rotary Shaker and shake culture, the speed of the shaker is 100-120 r / min, the temperature is 25 ℃, the initial liquid culture callus grows vigorously, after shaking the culture medium, let it stand for a while, and subculture with the suspension cell mass of moderate particles. Change to 200 mL Erlenmeyer flask ...
Example Embodiment
[0021] Example 3
[0022] Take the young leaves of outdoor astragalus in spring, soak the buds, washing powder for 4 minutes, rinse with running water for 50 minutes, sterilize with sodium hypochlorite for 12 minutes, rinse with sterile water 5 times, and inoculate it into MS medium for callus induction. Additional hormone 1mg / LNAA, 3mg / L2,4-D, 30g / L sucrose, 7g / L agar, pH=8, temperature 25℃, humidity 50%-70%, light intensity 2000LX; light period 14h dark period 10h ; Take the induced tender green loose callus and inoculate it into a 100 mL Erlenmeyer flask containing 40 mL MS liquid medium. The medium formula is MS+1mg / LNAA+1mg / LIBA. After inoculation, place it on a rotary shaker and shake Cultivate with a shaker at a speed of 100-120 r / min and a temperature of 25°C. The callus grows vigorously in the initial liquid culture. After shaking the culture medium, let it stand for a while, and use a suspension cell mass with moderate particles for subculture, replace with 200 Incubat...
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