Method for relieving damage of leader stress to seed germination and seedling growth of fagopyrum tataricum

A technology for seeds and tartary buckwheat is applied in the field of alleviating the damage of lead stress to tartary buckwheat seed germination and seedling growth. The effect of reducing dismutase activity, relieving damage and improving germination rate

Inactive Publication Date: 2019-12-03
CHENGDU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the yield per mu of tartary buckwheat is extremely low, which cannot meet the growing demand. To increase the total yield of tartary buckwheat, it is very important to increase the planting area
However, because most of the soil in our country has been polluted by heavy metals to varying degrees, it is difficult for the soil to provide suitable growth conditions for tartary buckwheat.

Method used

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  • Method for relieving damage of leader stress to seed germination and seedling growth of fagopyrum tataricum
  • Method for relieving damage of leader stress to seed germination and seedling growth of fagopyrum tataricum
  • Method for relieving damage of leader stress to seed germination and seedling growth of fagopyrum tataricum

Examples

Experimental program
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Effect test

Embodiment 1

[0030] A method for alleviating lead stress to tartary buckwheat seed germination and seedling growth damage, comprising the following steps:

[0031] (1) Select tartary buckwheat seeds with no scars on the outside and full grains, dry them in the sun for 2 to 3 days, 5 to 6 hours a day, then use a concentration of 0.1wt% formaldehyde to disinfect them for 2 hours, and rinse them with distilled water for 3 to 5 times;

[0032] (2) Submerge the seeds rinsed in step (1) in a solution with a concentration of 20 mg / L gibberellin, and soak the seeds at a constant temperature of 23 to 28° C. for 8 hours; wherein the gibberellin solution includes the following components in parts by weight: gibberellin 10 parts of mymycin fermentation broth, 80 parts of sodium nitrate, 90 parts of ammonium sulfate, 900 parts of potassium sulfate, 80 parts of superphosphate, 15 parts of ammonium molybdate and 1100 parts of water;

[0033] (3) spread the seeds soaked in step (2) evenly on the filter pa...

Embodiment 2

[0036] A method for alleviating lead stress to tartary buckwheat seed germination and seedling growth damage, comprising the following steps:

[0037] (1) Select tartary buckwheat seeds with no scars on the outside and full grains, dry them in the sun for 2 to 3 days, 5 to 6 hours a day, then disinfect them with 0.1wt% potassium permanganate for 2 hours, and then rinse them with distilled water for 3 to 6 hours. 5 times;

[0038] (2) Submerge the seeds rinsed in step (1) in a solution with a concentration of 40 mg / L gibberellin, and soak the seeds at a constant temperature of 23 to 28° C. for 16 hours; wherein the gibberellin solution includes the following components in parts by weight: gibberellin 13 parts of mymycin fermentation broth, 90 parts of sodium nitrate, 120 parts of ammonium sulfate, 120 parts of potassium sulfate, 90 parts of superphosphate, 18 parts of ammonium molybdate and 1300 parts of water;

[0039] (3) spread the seeds soaked in step (2) evenly on the fil...

Embodiment 3

[0042] A method for alleviating lead stress to tartary buckwheat seed germination and seedling growth damage, comprising the following steps:

[0043] (1) Select tartary buckwheat seeds with no scars on the outside and full grains, and dry them in the sun for 2 to 3 days, every day for 5 to 6 hours, then use a concentration of 0.1wt% hydrogen peroxide to disinfect them for 2 hours, and then rinse them with distilled water for 3 to 5 times;

[0044] (2) Submerge the seeds rinsed in step (1) in a gibberellin solution with a concentration of 100 mg / L, and soak the seeds at a constant temperature of 23 to 28° C. for 24 hours; wherein the gibberellin solution includes the following components in parts by weight: gibberellin 15 parts of mymycin fermentation broth, 110 parts of sodium nitrate, 150 parts of ammonium sulfate, 150 parts of potassium sulfate, 110 parts of superphosphate, 20 parts of ammonium molybdate and 1400 parts of water;

[0045](3) spread the seeds soaked in step (...

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Abstract

The invention provides a method for relieving damage of leader stress to seed germination and seedling growth of fagopyrum tataricum. The method comprises the following steps that fagopyrum tataricumseeds of which the surface are seamless and the grains are plump are selected and air-cured under the sun, then a disinfectant is adopted for disinfection, and finally distilled water is adopted for washing; the washed seeds are put into a gibberellin solution for immersion, and constant-temperature seed soaking is conducted; the soaked seeds are uniformly flat laid on filter paper, and placed under an aseptic condition for shading cultivation to obtain fagopyrum tataricum seedlings; strong seedlings with uniform growth vigor are selected, and planted into loosened and flat soil, the roots ofthe strong seedlings are covered with the soil, and then a mixed fertilizer is applied to each seedling. According to the method, through seed soaking of the fagopyrum tataricum seeds in the gibberellin solution, the vigor of the fagopyrum tataricum seedlings under a leader stress condition can be effectively improved to defense the heavy metal leader stress and increase the germination rate of the fagopyrum tataricum seeds.

Description

technical field [0001] The invention belongs to the technical field of agricultural production, and in particular relates to a method for alleviating the damage caused by lead stress to the germination of tartary buckwheat seeds and the growth of seedlings. Background technique [0002] Tartary buckwheat has high nutritional value. In recent years, relevant research in agriculture, medicine and food nutrition has shown that tartary buckwheat has the highest nutritional value of all food crops. It is not only rich in nutrients and high in nutritional value, but also contains other grains. The special trace elements and medicinal ingredients that crops do not have have the functions of preventing and treating modern "civilized diseases" and almost all cardiovascular and cerebrovascular diseases of the middle-aged and elderly, so they have been valued by various countries. Tartary buckwheat production and health food development present a new momentum of development. [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/00A01C1/08A01G22/20C05G1/00
CPCA01C1/00A01C1/08A01G22/20C05B1/02C05C9/00C05D1/00
Inventor 万燕欧阳建勇乐梨庆马成瑞向达兵程智慧袁航赵钢邬晓勇吴琪时小东
Owner CHENGDU UNIV
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