Method for isolated culturing hypericum regenerated plant
A technology for regenerating plants and hypericum, which is applied in botany equipment and methods, plant regeneration, gardening methods, etc., can solve the problems that no one has reported on the regeneration of cut hypericum, achieve genetic stability, simple operation, stable genetic effects
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Embodiment 1
[0031] (1) The ornamental cut flower (cut branch and fruit) hypericum that is publicly sold on the market, the variety is 'Hypericum'Magical Red' (Hypericum'Magical Red') series three varieties of Hypericum are 'Charm Red'3 (code 'Hyp3'), 'Glamour Red' No. 4 ('Hyp4') and 'Glamour Red' No. 7 ('Hyp7'). The stem section of the explant Hypericum supericum was sterilized according to a conventional sterilization method and then inoculated on the MS basic medium with 7.5g / L agar and 3g / L sucrose (referring to: compiled by Li Mingjun, plant tissue culture, China Agricultural Press, 1992, the same below) to carry out subculture;
[0032] (2) Preparation of regeneration medium: MS basic medium + thiadiazophenylurea (TDZ, the concentration is set to 0.05, 0.1, 0.5 mg / L in turn) + α-naphthaleneacetic acid (NAA, the concentration is set to 0.01 in turn, 0.05, 0.1mg / L)+filter paper (Shuangquan brand 9cm quantitative filter paper, one piece of the above-mentioned filter paper is spread on ...
Embodiment 2
[0039] (1) With the aseptic seedling of Hypericum 'Hyp3' kind (the culture step of aseptic seedling sees embodiment 1) as test material, inoculate in the MS basic medium that adds 7.5g / L agar and 3g / L sucrose carry out subculture;
[0040] (2) Preparation of regeneration medium: MS basic medium, supplemented with 7.5g / L agar, 3g / L sucrose, thiadiazophenylurea (concentrations are set to 0.08, 0.10, 0.30, 0.50, 0.80mg / L) , NAA (concentration is set to 0.01mg / L)+1 piece of filter paper (see Example 1 for placement method); adjust the pH of the culture medium to 5.8-6.0, and sterilize at 121 ℃ for 20min by high pressure steam (complete in a clean bench TDZ and filter paper), set aside.
[0041] (3) In the ultra-clean workbench, the 40-45 day hypericum aseptic seedlings that have been subcultured in step (1) are used as test materials, and 4 young tender leaves on the top are cut as explants (after excision of the leaf ends, the its adaxial surface facing the culture medium) was ...
Embodiment 3
[0045] (1) With the aseptic seedling of Hypericum 'Hyp3' variety (see the aseptic seedling (line) part of Example 1 for the source) as the test material, it is inoculated on MS basic with 7.5g / L agar and 3g / L sucrose Subculture in culture medium.
[0046] (2) Preparation of regeneration medium: MS basic medium, supplemented with 7.5g / L agar and 3g / L sucrose, thiadiazophenylurea (concentrations are set to 0.08, 0.10, 0.30, 0.50, 0.80) mg / L+ , NAA (concentration set to 0.01) mg / L + 1 piece of filter paper (see Example 1 for usage); adjust the pH of the medium to 5.8-6.0, and autoclave at 121° C. for 20 minutes. (Complete the addition of TDZ and filter paper in the ultra-clean bench), set aside.
[0047] (3) Under the aseptic condition of the ultra-clean workbench, take subcultured 40-45 days hypericum aseptic seedlings as test material, and cut the top 4 young tender leaves as explants (after excision of the leaf ends, its adaxial surface facing the regeneration medium) was in...
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