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A method for breaking deep dormancy of brick seedling seeds

A deep dormancy, brick seedling technology, applied in the field of breaking seed dormancy, to achieve the effect of improving the germination rate

Inactive Publication Date: 2018-06-29
TROPICAL CORP STRAIN RESOURCE INST CHINESE ACAD OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention provides a method for breaking the deep dormancy of brick seedling seeds, which solves the technical problem that it takes a long time to break the deep dormancy of brick seedlings in the existing method

Method used

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  • A method for breaking deep dormancy of brick seedling seeds
  • A method for breaking deep dormancy of brick seedling seeds
  • A method for breaking deep dormancy of brick seedling seeds

Examples

Experimental program
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Effect test

Embodiment 1

[0017] A method for breaking the deep dormancy of brick seedling seeds, specifically comprising the following steps:

[0018] 1) Seed soaking: Soak the seeds of brick seedlings in a 30% sodium hydroxide solution for 2 hours.

[0019] 2) Washing and drying: Rinse the soaked brick seedling seeds with clear water, place them on filter paper to dry, and wash them for 4 times.

[0020] 3) Placement culture: Place the cleaned and dried brick seedling seeds in GA with a molar concentration of 100umol / L 3 And in the solution of 6-BA with a molar concentration of 10umol / L, the standing time is 24h.

[0021] 4) Seed germination: place the seedlings of brick seedlings cultured at 25° C. under dark conditions for cultivation. Count the germination number on the 7th day and the 14th day, and calculate the germination rate and necrosis rate of young shoots.

Embodiment 2

[0023] A method for breaking the deep dormancy of brick seedling seeds, specifically comprising the following steps:

[0024] 1) Seed soaking: Soak the seeds of brick seedlings in a 20% sodium hydroxide solution for 3 hours.

[0025] 2) Washing and drying: Rinse the soaked brick seedling seeds with clear water, place them on filter paper to dry, and wash them for 5 times.

[0026] 3) Placement culture: Place the washed and dried brick seedling seeds in GA with a molar concentration of 90umol / L 3 And in the solution of 6-BA with a molar concentration of 9umol / L, the standing time is 20h.

[0027] 4) Seed germination: place the seedlings of brick seedlings cultured at 22° C. under dark conditions for cultivation. Count the germination number on the 7th day and the 14th day, and calculate the germination rate and necrosis rate of young shoots.

Embodiment 3

[0029] A method for breaking the deep dormancy of brick seedling seeds, specifically comprising the following steps:

[0030] 1) Seed soaking: Soak the seeds of brick seedlings in a 10% sodium hydroxide solution for 4 hours.

[0031] 2) Washing and drying: Rinse the soaked brick seedling seeds with clear water, place them on filter paper to dry, and wash them for 3 times.

[0032] 3) Placement culture: Place the cleaned and dried brick seedling seeds in GA with a molar concentration of 110umol / L 3 In the solution of 6-BA with a molar concentration of 11umol / L, the standing time is 28h.

[0033] 4) Seed germination: place the seedlings of brick seedlings cultured at 27° C. under dark conditions for cultivation. Count the germination number on the 7th day and the 14th day, and calculate the germination rate and necrosis rate of young shoots.

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Abstract

The present invention discloses a mariscus umbellatus seed depth dormancy breaking method comprising the following steps: 1) soaking seeds, to be more specific, a sodium hydroxide solution with the concentration of 10 to 30% is used for soaking mariscus umbellatus seeds, and the soaking time is 1-6h; 2 ) cleaning and drying in air, to be more specific, the mariscus umbellatus seeds after the soaking are cleaned with clear water and placed on filter paper for drying I n the air, and the number of the cleaning times is 2 to 6; 3) placing for culturing, to be more specific, the mariscus umbellatus seeds after the cleaning and drying in the air are placed in GA3 with a molar concentration of 90-110umol / L and a 6-BA solution with a molar concentration of 8-12umol / L, and the placing time is 20-30h; and 4) germinating the seeds, to be more specific, the mariscus umbellatus seeds after the placing for culturing are placed in dark conditions at 20-30 DEG C for culturing. The mariscus umbellatus seed depth dormancy breaking method can break mariscus umbellatus seed depth dormancy in a short time, germination rate is significantly increased in a short time, meanwhile the germ necrosis rate is controlled in a lower range, after 7 days, the mariscus umbellatus germination rate can reach 65.3%, and the germ necrosis rate can be controlled at 10.0%. The method is convenient and fast, and can be promoted and used in production.

Description

technical field [0001] The invention relates to the technical field of methods for breaking seed dormancy, in particular to a method for breaking deep dormancy of brick seedling seeds. Background technique [0002] Brick seedlings (scientific name: Mariscus umbellatus Vahl.) is an annual herb of the Cyperaceae umbellatus genus. Overseas distribution: Africa, Malagasy, India and its Aloum, Nepal, Sikkim, Malaya, Indonesia, Myanmar, Vietnam, Philippines, American Hawaii, North Korea, Japan and its Ryukyu Islands, Australia and tropical America and the Himalayas . Domestic distribution: Shaanxi, Hubei, Hunan, Jiangsu, Zhejiang, Anhui, Jiangxi, Fujian, Taiwan, Guangdong, Hainan Island, Guangxi, Guizhou, Yunnan, Sichuan. It grows in sunny places on hillsides, roadside meadows, streamsides and under pine forests, at an altitude of 200-3200 meters. The whole plant of Zhuanzimiao can be used as medicine, which has the effect of relieving cough and reducing phlegm, clearing the lu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C1/02
CPCA01C1/02
Inventor 张瑜白昌军王文强严琳玲虞道耿杨虎彪
Owner TROPICAL CORP STRAIN RESOURCE INST CHINESE ACAD OF TROPICAL AGRI SCI
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