A kind of method for improving the germination rate of magnolia seeds

A technology of magnolia and germination rate, which is applied in the direction of germination equipment, can solve the problems of inapplicability to mass production, low seed germination rate, and long time required to achieve mass production, good treatment effect, and low cost Effect

Active Publication Date: 2018-01-02
LIAONING UNIVERSITY
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  • Abstract
  • Description
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Problems solved by technology

At present, people usually use low-temperature (0-5°C) stratification method for about 4 months to release the dormancy of magnolia seeds, which takes a long time, complicated process and is not suitable for mass production, and the seed germination rate is low

Method used

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  • A kind of method for improving the germination rate of magnolia seeds
  • A kind of method for improving the germination rate of magnolia seeds

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Embodiment 1

[0026] Embodiment A kind of method that improves Magnolia seed germination rate

[0027] (1) The method is as follows:

[0028] 1) Seed soaking once, pour the Magnolia seeds into a NaOH solution with a mass percentage concentration of 35% to soak the seeds. The volume ratio of the NaOH solution to the seeds is 2:1. Consistent, make the seeds fully contact with the NaOH solution. During the soaking period, use a sieve with a pore size of 0.5 mm to remove the sundries floating on the surface of the solution and empty seeds. NaOH is prepared into a 35% solution for continued use;

[0029] 2) Washing, put the filtered seeds into a container, rinse the seeds with running water until the pH value of the outflowing clear water is neutral, rinse for about 3-3.5 hours, and shake dry;

[0030] 3) Seed soaking for the second time, wash and dry the seeds in 2000mg / L gibberellin (GA 3 ) solution and 1000mg / L of 6-benzylaminoadenine (6-BA) solution for soaking seeds for 40-48 hours;

[...

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Abstract

The invention discloses a method for increasing the germination rate of magnolia denudata seeds. The method includes the steps of firstly, conducting primary seed soaking, wherein the magnolia denudata seeds are poured into an NaOH solution to be soaked for 4-5 hours and then filtered out; secondly, conducting washing, wherein the seeds filtered out are put in a container and washed till the pH value of outflow clear water is neutral; thirdly, conducting secondary seed soaking, wherein washed seeds are put in a GA3 solution and a 6-BA solution to be soaked for 40-48 hours; fourthly, conducting stratification treatment, wherein seeds are covered with sand about 0.5-1 cm thick and put at a day and night temperature of 18-28 DEG C to be treated for 10-12 weeks so that dormancy of seeds can be eliminated. The magnolia denudata seeds can be treated in batches through the method, the germination rate can reach 85-95%, and the method has the advantages of being simple in procedure, few in chemical raw material type, low in chemical raw material consumption, short in seed treatment cycle and low in cost.

Description

technical field [0001] The invention relates to a magnolia seed treatment technology, in particular to a method capable of improving the germination rate of magnolia seeds. Background technique [0002] Magnolia (Magnolia denudata Desr.), an ornamental flower and tree of the genus Magnolia in the family Magnoliaceae. It has a cultivation history of 2,500 years. It is one of the unique and precious garden flowers and trees in my country. It is an important ornamental tree in early spring in the north and a rare ornamental tree in the courtyard. Magnolia has strong resistance to harmful gases, and has a certain resistance and the ability to absorb sulfur. Therefore, Magnolia is a good anti-pollution greening tree species in air-polluted areas. But Magnolia magnolia seeds have dormancy characteristics, that is, when the seeds mature and scatter, the embryo is not fully developed, only slightly larger than the original embryo, and the natural germination rate is low, only 20-3...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C1/02
CPCA01C1/02
Inventor 李悦张利红张晋李丽丹艾娇张壮
Owner LIAONING UNIVERSITY
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