Rooting method of tissue culture and rapid propagation of eucalyptus dunni
A technology of tissue culture rapid propagation and rooting medium, which is applied in horticultural methods, botany equipment and methods, plant regeneration, etc., can solve the problems of difficult rooting of tissue culture seedlings, and meet the needs of large-scale production, increase the proliferation coefficient, and proliferate The effect of increasing the coefficient
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[0033] Example 1
[0034] Select Eucalyptus Dunn seeds that are full and disease-free, put them in a 1.5ml centrifuge tube, rinse with tap water and soak for 10 minutes, sterilize with 70% ethanol for 30 seconds, then sterilize with 0.1% mercuric chloride for 2 minutes, and then wash with sterile water 5 times, inoculate MS+0.5mg / L 6-BA+5g / L agar+30g / L sucrose germination medium (pH 5.8) under aseptic conditions. The culture conditions are 25℃ in day and 18 in night. ℃, light intensity 40μmol·m -2 ·S -1 ,Illumination time 14h·d -1 (The same under the culture conditions), 8 days later, the seeds germinated and sterile seedlings were obtained.
[0035] Cut the sterile seedling from the base of the cotyledon, and transfer the cotyledon to MS+0.5mg / L 6-BA+0.5mg / L KT+0.25mg / LIBA+5g / L agar+30g / L sucrose (pH 5.8) or MS+0.5mg / L ZT+0.25mg / L IAA+5g / L agar+30g / L sucrose (pH 5.8) proliferation medium, under the above conditions for day and night light cycle culture, 9 days later induced forma...
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[0038] Example 2
[0039] Select Eucalyptus Dunn seeds that are full and disease-free, put them in a 1.5ml centrifuge tube, rinse with tap water, soak for 10 minutes, sterilize with 70% ethanol for 20 seconds, then sterilize with 0.1% mercuric chloride for 3 minutes, and then wash with sterile water 6 times, inoculate MS+0.3mg / L 6-BA+5g / L agar+30g / L sucrose germination medium (pH 5.8) under aseptic conditions. The culture conditions are day temperature 25℃, night temperature 18 ℃, light intensity 40μmol·m -2 ·S -1 ,Illumination time 14h·d -1 (The same under the culture conditions), 6 days later, the seeds germinated and sterile seedlings were obtained.
[0040] Cut the sterile seedling from the base of the cotyledon, and transfer the cotyledon to MS+0.45mg / L 6-BA+0.6mg / L KT+0.3mg / LIBA+5g / L agar+30g / L sucrose (pH 5.8) or MS+0.45mg / L ZT+0.3mg / L IAA+5g / L agar+30g / L sucrose (pH 5.8) proliferation medium, under the above conditions for day and night light cycle culture, 11 days later i...
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[0043] Example 3
[0044] Select Eucalyptus Dunn seeds that are full and free from diseases and insect pests, put them in a 1.5ml centrifuge tube, rinse with tap water, soak for 10 minutes, sterilize with 70% ethanol for 40 seconds, then sterilize with 0.1% mercuric chloride for 1 minute, and then wash with sterile water 6 times, inoculate MS+5g / L agar+30g / L sucrose germination medium (pH 5.8) under aseptic conditions. The culture conditions are day temperature 25℃, night temperature 18℃, light intensity 40μmol·m -2 ·S -1 ,Illumination time 14h·d -1 (The same under the culture conditions), 7 days later, the seeds germinated and sterile seedlings were obtained.
[0045] Cut the sterile seedling from the base of the cotyledon, and transfer the cotyledon to MS+0.4mg / L 6-BA+0.5mg / L KT+0.6mg / LIBA+6g / L agar+35g / L sucrose (pH 5.8) or MS+0.4mg / L ZT+0.2mg / L IAA+6g / L agar+35g / L sucrose (pH value 5.8) in the proliferation medium, under the above conditions for day and night light cycle cultu...
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