Efficient mutation breeding method for apple polyploidy
A technology for mutation breeding and polyploidy, applied in horticultural methods, botanical equipment and methods, plant regeneration, etc., can solve the problems of low polyploidy growth rate, no rooting of clustered buds, loss of high-quality germplasm resources, etc. To achieve the effect of increasing the rooting rate of clump shoots, increasing the rooting rate of clump shoots, and increasing the number of breeding
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[0022] Example 1
[0023] Said to the Dan Xia fruit tree to take the top bud, resulting in 20 outer implant samples, in the culture medium 1, for 2 days, and then cultured for 2 days in the medium, then cultured in the medium 3 for 5 weeks. After that, after further cultivation, it was obtained by polyploid seedlings.
[0024] Medium 1 ingredient: ms + 30mg / L autumn water + 0.3 g / l carbon nanotube + 0.2g / L beer yeast cell wall;
[0025] The medium 2 ingredients: MS + 50mg / L autumn water + 0.3 g / L carbon nanotube + 0.2g / L beer yeast cell wall;
[0026] The medium 3 ingredients were: MS + 0.3mg / L IAA + 0.3 g / L carbon nanotubes + 0.2 g / L beer yeast cell wall.
Example Embodiment
[0027] Example 2
[0028] Said to the Dan Xia fruit tree to take the top bud, resulting in 20 outer implant samples, in the culture medium 1, for 2 days, and then cultured for 2 days in the medium, then cultured in the medium 3 for 5 weeks. After that, after further cultivation, it was obtained by polyploid seedlings.
[0029] Medium 1 ingredient: MS + 20 mg / L Autumn water Xortin + 0.2 g / l graphene + 0.1g / L beer yeast cell wall;
[0030] The medium 2 ingredients: MS + 40mg / L autumn water + 0.2 g / l graphene + 0.1g / L beer yeast cell wall;
[0031] The medium 3 ingredients were: MS + 0.2mg / L IAa + 0.2 g / l graphene + 0.1 g / L beer yeast cell wall.
Example Embodiment
[0032] Example 3
[0033] Said to the Dan Xia fruit tree to take the top bud, resulting in 20 outer implant samples, in the culture medium 1, for 2 days, and then cultured for 2 days in the medium, then cultured in the medium 3 for 5 weeks. After that, after further cultivation, it was obtained by polyploid seedlings.
[0034] The medium 1 ingredient: MS + 40mg / L autumn water + 0.4 g / l carbon nanotube + 0.5g / L beer yeast cell wall;
[0035] Medium 2 ingredients: MS + 80mg / L autumn water + 0.4 g / l carbon nanotube + 0.5g / L beer yeast cell wall;
[0036] The medium 3 ingredients were: MS + 0.5 mg / l Iaa + 0.4 g / L carbon nanotube + 0.5 g / L beer yeast cell wall.
[0037] Statistics on the bud binder of Example 1-3, the results are shown in Table 1.
[0038] Table 1
[0039] Example Cluster branch rate,% Example 1 95 Example 2 90 Example 3 90
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