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Method for breaking through dormancy of magnolia biloba seeds

A kind of Magnolia officinale and seed technology, which is applied in the fields of seed and rhizome treatment, botanical equipment and methods, soilless cultivation, etc., can solve the problems of low natural reproduction rate and long time of breaking dormancy, and achieve the improvement of emergence rate, fast speed, The effect of ensuring the consistency of germination

Inactive Publication Date: 2012-07-25
常熟市新靓文辅亚农艺发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Over the years, due to the increasing demand of Magnolia officinalis and the decrease of wild resources, the seeds of Magnolia officinalis have post-ripening and hard properties, deep dormancy characteristics, and low natural reproduction rate
[0003] Using plant growth regulators and temperature control to treat seeds, improve seed vigor, enhance seedling germination rate in adversity, control plant seedling growth and promote weak, strong and strong seedling treatment technology has been well received in Magnolia officinalis Applications, such as (Hu Jiangqin et al., Research on the dormancy and germination characteristics of Magnolia officinale, "Journal of Hangzhou Normal University", Volume 10, No. 4, July 2011), (Chen Xinyun, Research on high-yield cultivation techniques of Magnolia officinale in northern Fujian, "Strait Pharmacy", Volume 22, No. 5, 2010), etc., but the above method is only a preliminary experimental study on the seed germination of Magnolia officinalis, and there is no systematic and effective technology to break dormancy, and the break dormancy time is long

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A method for breaking the dormancy of Magnolia officinalis seeds, the method comprising the following steps:

[0017] Select large-flowered mother trees that are more than 20 years old to collect thick, no pests and diseases, and full-grained seeds to ensure the germination rate. After the seeds are harvested, mix the fresh seeds with the sand evenly, rub the seeds by hand, and wait until the outer testa of the seeds is waxed. Rinse and screen with clear water after the quality falls off, and remove the shriveled seeds; soak Magnolia officinale seeds in 30g / L potassium dihydrogen phosphate solution at a temperature of 20°C for 3 days, then put them in thiophanate-methyl 600 times solution for 2 hours, Then soak the seeds with 500mg / L indole butyric acid solution for 25 hours, and finally wash the seeds with warm water at about 25°C; use the cold plasma generated by the atmospheric pressure dielectric barrier discharge to treat the Magnolia officinalis seeds, and the plas...

Embodiment 2

[0019] A method for breaking the dormancy of Magnolia officinalis seeds, characterized in that the method comprises the following steps:

[0020] Select large-flowered mother trees that are more than 20 years old to collect thick, no pests and diseases, and full-grained seeds to ensure the germination rate. After the seeds are harvested, mix the fresh seeds with the sand evenly, rub the seeds by hand, and wait until the outer testa of the seeds is waxed. Rinse and screen with clear water after the quality falls off, and remove the shriveled seeds; first soak the Magnolia officinale seeds in a solution of potassium dihydrogen phosphate with a temperature of 23°C and a concentration of 35g / L for 5 days, then put them into thiophanate-methyl 600 times solution and soak for 3 hours. Then soak the seeds with 700mg / L indole butyric acid solution for 26 hours, and finally wash the seeds with warm water at about 25°C; use the cold plasma generated by the atmospheric pressure dielectric...

Embodiment 3

[0022] A method for breaking the dormancy of Magnolia officinale seeds, the method comprising the following steps: Seed selection: selecting a mother tree with a large flower type for more than 20 years to collect a seed that is strong, free of diseases and insect pests, and full of particles, so as to ensure the germination rate. Mix the fresh seeds with sand evenly, rub the seeds with your hands, rinse and screen with clean water after the waxy outer testa of the seeds falls off, and remove the shriveled seeds; first use the seeds of Magnolia officinalis with a temperature of 22°C and a concentration of 40g / L potassium dihydrogen phosphate After soaking in the solution for 4 days, soak in thiophanate-methyl 600 times solution for 4 hours, then soak the seeds in 600 mg / L indole butyric acid solution for 26 hours, and finally wash the seeds with warm water at about 25°C; use atmospheric pressure dielectric barrier discharge to generate The cold plasma treatment of Magnolia offi...

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Abstract

The invention discloses a method for breaking through seed dormancy of magnolia biloba seeds, which mainly comprises the steps of seed sorting, soaking treatment of seeds, cold plasma treatment and variable-temperature stratification. By comprehensively utilizing the technologies for breaking through the seed dormancy such as soaking, controlling by a growth regulator, plasma treatment and variable-temperature stratification and the like, the sprouting time of the magnolia biloba seeds can be greatly shortened, seedlings of the magnolia biloba seeds which are obtained through the method respectively have developed root systems and grow fine, the growth speed is fast, and the survival rate is high.

Description

technical field [0001] The invention relates to a method for breaking the dormancy of Magnolia officinalis seeds. Background technique [0002] Magnolia officinalis ( Magnolia biloba ) is a deciduous tree of the Magnoliaceae Magnolia genus, native to Sichuan, Hubei, Hunan, Guangxi, Zhejiang, Jiangxi, Fujian, Jiangsu and other places. It integrates medicinal, material and ornamental functions. It is a unique economic tree species in my country, and it is also a national second-class key protected plant. It has a very broad prospect of utilization. Over the years, the demand for Magnolia officinale has been increasing, and the wild resources have been continuously reduced, while the seeds of Magnolia officinalis are post-ripening and hard, have deep dormancy characteristics, and their natural reproduction rate is low. [0003] Using plant growth regulators and temperature control to treat seeds, improve seed vigor, enhance seedling germination rate in adversity, control plan...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01G31/00
Inventor 徐亚军
Owner 常熟市新靓文辅亚农艺发展有限公司
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