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Method for releasing dormancy of pear seeds

A seed, consistent technology, applied in the field of plant physiology and production and cultivation, can solve the problems of seed failure to germinate, germination rate, loss, time-consuming and labor-intensive, etc., and achieve the effect of easy operation, practical application, and simple method.

Inactive Publication Date: 2017-07-25
YANGZHOU UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

In conventional breeding and cultivation practices, low-temperature stratification must be carried out after the seeds are collected, and sowing in the second year is time-consuming and labor-intensive. Moreover, during the sand storage period, due to the length of the low-temperature stratification treatment or the period of stratification, the seeds often occur. Rotting will affect the normal release of dormancy of the seeds, resulting in the inability of the seeds to germinate or the low germination rate after sowing, resulting in losses

Method used

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  • Method for releasing dormancy of pear seeds
  • Method for releasing dormancy of pear seeds
  • Method for releasing dormancy of pear seeds

Examples

Experimental program
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Effect test

Embodiment 1

[0029] In this example, the pear seed is used as the experimental material, and the process is as follows:

[0030] 1. Select seeds with water. Grab a handful of seeds and put them in a beaker filled with water, remove the shriveled seeds floating on the water surface, pick out the seeds with full particles and no damage, and then put them on the filter paper to dry naturally.

[0031] 2. Seed disinfection Disinfect the seeds with 2% NaClO to prevent bacterial infection, and wash the disinfected seeds with water for 1-3 times.

[0032] 3. Soak the seeds Put the sterilized seeds into a beaker filled with water and soak for 24 hours to allow the seeds to absorb enough water.

[0033] 4. Wrap the seeds Prepare the absorbent cotton and tear the absorbent cotton as thin as possible. If the seeds are too thick, they are prone to mold. Wrap the absorbent cotton on the surface of the seed coat and put it in a petri dish.

[0034] 5. Soak the absorbent cotton Use a pipette gun to abs...

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Abstract

The invention discloses a method for releasing dormancy of pear seeds, relates to imbibition, whitening and germination of seeds, and belongs to the fields of plant physiology and production cultivation. According to the method disclosed by the invention, seeds are soaked in an earlier stage; successively, the seeds are coated by degreasing cotton on seed coat; the features of good moisture retention performance and good permeability of the degreasing cotton are utilized, the dormancy of the pear seeds is completely broken through cold stratification. The method has the advantages of easiness for operation, simple steps, convenience for observation and the like, and has a good effect on breaking dormancy; moreover, by adopting the degreasing cotton for coating, chemical agent and hormones are conveniently added so as to research the effect on release of seed dormancy.

Description

technical field [0001] The invention relates to a method for releasing pear seed dormancy, relates to seed imbibition, whitening and germination, and belongs to the field of plant physiology and production cultivation. Background technique [0002] Pear rootstock seeds have dormancy characteristics. In production, the seeds are often treated with low-temperature stratification for several months to break the dormancy. However, the temperature and time of stratification treatment need to determine the sowing date in advance, otherwise the best sowing time will be missed due to premature germination or failure to break dormancy, which will bring difficulties to large-scale planting and seedling cultivation in production. Therefore, breaking seed dormancy is of great significance to shorten the breeding cycle, increase the seedling rate, improve the quality of seedlings and reduce production costs. [0003] The rootstocks of pear seedlings and the seeds of hybrid offspring can...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01C1/02A01C1/08
CPCA01C1/00A01C1/02A01C1/08
Inventor 王春雷张盼盼宋平平刘正阳孙娅黄旭
Owner YANGZHOU UNIV
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