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Method for breaking seed dormancy

A seed and fungus seed technology, which is applied in the field of agricultural technology and crop cultivation, can solve the problems of irregular seedling emergence, low seed germination rate, complex seed dormancy mechanism, etc., and achieve the effect of relieving dormancy, good dormancy, and increasing germination rate

Inactive Publication Date: 2018-11-20
NANJING FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to the complex dormancy mechanism of its seeds, its seed coat and seed coat will inhibit seed germination, and there is physiological dormancy in the seed embryo, so there is no efficient way to break dormancy
In actual production, the phenomenon of low seed germination rate and irregular emergence abounds

Method used

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  • Method for breaking seed dormancy
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Experimental program
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Embodiment 1

[0035] The present embodiment provides a method for releasing seed dormancy, comprising the following steps:

[0036] 1.1 Seed imbibition: After cleaning the selected seeds with full particles, they are imbibed in distilled water for 45 hours to obtain imbibed seeds;

[0037] 1.2 Prepare the EM-1 microbial inoculum with photosynthetic bacteria, Lactobacillus and yeast, and soak the imbibed seeds with the EM-1 microbial inoculum with a concentration of 280 mL / L for 35 minutes to obtain the bacteria-containing seeds;

[0038] 1.3 Mix the bacteria-containing seeds with the first wet sand in a volume ratio of 2:1, refrigerate for 18 days at 3°C, and spray water in time to preserve the wet state, take out and obtain the layered seeds;

[0039] 1.4 Mix 0.3% (mass concentration) thiourea solution with 450ppm gibberellin solution to prepare a thiourea gibberellin mixed solution, soak the stratified seeds with the thiourea gibberellin mixed solution for 10h;

[0040] 1.5 Mix the seeds...

Embodiment 2

[0043] The present embodiment provides a method for releasing seed dormancy, comprising the following steps:

[0044] 1.1 Seed imbibition: After cleaning the selected seeds with full particles, they are imbibed in distilled water for 52 hours to obtain imbibed seeds;

[0045] 1.2 Prepare the EM-1 microbial inoculum with photosynthetic bacteria, Lactobacillus and yeast, and soak the imbibed seeds with the EM-1 microbial inoculum with a concentration of 330mL / L for 50min to obtain the seeds containing bacteria;

[0046] 1.3 Mix the bacteria-containing seeds with the first wet sand in a volume ratio of 5:1, refrigerate for 24 days at 7°C, and spray water in a timely manner to preserve the wet state, take out and obtain the layered seeds;

[0047] 1.4 Mix 0.5% (mass concentration) thiourea solution with 520ppm gibberellin solution to prepare a thiourea gibberellin mixed solution, soak the stratified seeds with the thiourea gibberellin mixed solution for 15h;

[0048] 1.5 Mix the ...

Embodiment 3

[0051] The present embodiment provides a method for releasing seed dormancy, comprising the following steps:

[0052] 1.1 Seed imbibition: After cleaning the selected seeds with full particles, they are imbibed in distilled water for 48 hours to obtain imbibed seeds;

[0053] 1.2 Prepare the EM-1 microbial inoculum with photosynthetic bacteria, Lactobacillus and yeast, and soak the imbibed seeds with the EM-1 microbial inoculum with a concentration of 300mL / L for 40min to obtain the bacteria-containing seeds;

[0054] 1.3 Mix the bacteria-containing seeds with the first wet sand in a volume ratio of 3:1, refrigerate for 20 days at 4°C, and spray water in time to preserve the wet state, take out and obtain the layered seeds;

[0055] 1.4 Mix 0.5% (mass concentration) thiourea solution with 500ppm gibberellin solution to prepare a thiourea gibberellin mixed solution, soak the stratified seeds with the thiourea gibberellin mixed solution for 12h;

[0056] 1.5 Mix the seeds soake...

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Abstract

The invention provides a method for breaking seed dormancy, and belongs to the agricultural technology and the field of crop cultivation. According to the method for breaking seed dormancy, seeds after imbibition are treated with a microbial agent for stimulation, and then the stimulation is further enhanced by refrigerating lamination and gibberellin, so that the dormancy of the seeds can be wellbroken and the germination rate can be improved.

Description

technical field [0001] The invention relates to the field of agricultural technology and crop cultivation, in particular to a method for releasing seed dormancy. Background technique [0002] Due to the complex dormancy mechanism of seeds, the seed shell and seed coat will inhibit the germination of seeds, and the seed embryos have physiological dormancy, so there is no efficient way to break the dormancy. In actual production, the germination rate of seeds is not high and the emergence of seedlings is not neat. [0003] There is an urgent need for a mature treatment method that can better break through seed dormancy, which can break through seed dormancy without affecting seed germination and ensure the emergence rate. SUMMARY OF THE INVENTION [0004] The purpose of the present invention is to provide a method for releasing seed dormancy, through which the dormancy of seeds can be better released. [0005] In order to realize the above-mentioned purpose of the present ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/00
CPCA01C1/00
Inventor 薛婷婷刘嘉沈永宝
Owner NANJING FORESTRY UNIV
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