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, suc

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0015] Example one

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

[0017] Choose a large-flowered mother tree of more than 20 years to gather thick, disease-free, and full-grained seeds to ensure the germination rate. After the seeds are collected, mix the fresh seeds with sand evenly, rub the seeds with your hands, and wait for the outer seed coat to wax After the quality has fallen off, rinsed with clean water and screened to remove the shattered seeds; the Magnolia officinalis seeds were soaked in a 30g / L potassium dihydrogen phosphate solution at a temperature of 20°C for 3 days, and then soaked in 600 times thiophanate-methyl for 2 hours. Then soak the seeds with 500mg / L indolebutyric acid solution for 25 hours, and finally wash the seeds with warm water at about 25℃; treat the Magnolia officinalis seeds with cold plasma generated by atmospheric pressure dielectric barrier discharge, and the plasma treatment ...

Example Embodiment

[0018] Example two

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

[0020] Choose a large-flowered mother tree of more than 20 years to gather thick, disease-free, and full-grained seeds to ensure the germination rate. After the seeds are collected, mix the fresh seeds with sand evenly, rub the seeds with your hands, and wait for the outer seed coat to wax After the quality has fallen off, rinsed with clean water and sieved to remove the shattered seeds; first soak the Magnolia officinalis seeds with a 35g / L potassium dihydrogen phosphate solution at a temperature of 23°C for 5 days, and then soak them in 600 times thiophanate-methyl for 3 hours. Then soak the seeds with 700mg / L indolebutyric acid solution for 26 hours, and finally wash the seeds with warm water at about 25°C; treat the Magnolia officinalis seeds with cold plasma generated by atmospheric pressure dielectric barrier discharge. ...

Example Embodiment

[0021] Example three

[0022] A method for breaking the seed dormancy of Magnolia officinalis. The method includes the following steps: Seed selection: select a large-flowered mother tree of more than 20 years to collect strong, disease-free, and full-grained seeds to ensure the germination rate. Mix the fresh seeds with sand evenly, rub the seeds with your hands. After the wax of the outer seed coat of the seeds falls off, they are rinsed with water and screened to remove the lumps; first use the Magnolia officinalis seeds at a temperature of 22°C and a concentration of 40g / L potassium dihydrogen phosphate After soaking the solution for 4 days, soak it in 600 times thiophanate-methyl for 4 hours, then soak the seeds with 600mg / L indolebutyric acid solution for 26 hours, and finally wash the seeds with warm water at about 25℃; use atmospheric pressure dielectric barrier discharge to generate The cold plasma treatment of Magnolia officinalis seeds, the time for plasma treatment of...

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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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