Method for improving heavy metal lead stress resistance of tartary buckwheat seedlings

A technology against heavy metals and seedlings, applied in the direction of seed and rhizome treatment, application, organic fertilizer, etc., to achieve the effect of improving seedling vitality, promoting physiological metabolism, and promoting oxidative decomposition

Active Publication Date: 2019-11-29
CHENGDU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main methods to alleviate heavy metal stress damage to plants include mineral elements, plant growth regulators, microorganisms, etc. Some mineral factors can alleviate specific heavy metal stress, such as calcium and silicon can alleviate the damage of heavy metal aluminum stress to plants, and ion Whether titanium can alleviate the damage caused by lead stress in tartary buckwheat remains unknown

Method used

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  • Method for improving heavy metal lead stress resistance of tartary buckwheat seedlings
  • Method for improving heavy metal lead stress resistance of tartary buckwheat seedlings
  • Method for improving heavy metal lead stress resistance of tartary buckwheat seedlings

Examples

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Effect test

Embodiment 1

[0033] A method for improving tartary buckwheat seedling resistance to heavy metal lead stress, comprising the following steps:

[0034] (1) Choose tartary buckwheat seeds with no scars on the outside and full grains, dry them in the sun for 2 days, every day for 5-6 hours, then use a concentration of 0.1wt% potassium permanganate solution to disinfect them for 2 hours, and rinse them with distilled water for 3 times;

[0035] (2) Submerge the washed seeds in step (1) in the seed soaking solution, and soak the seeds at a constant temperature of 25°C for 10 hours; wherein, the seed soaking solution includes ionic titanium, sodium hydrosulfide, γ-aminobutyric acid and molybdenum Ammonium acid, the concentration of ionic titanium is 0.02mmol / L, the concentration of sodium hydrosulfide is 3mmol / L, the concentration of γ-aminobutyric acid is 0.3mmol / L, and the concentration of ammonium molybdate is 0.5mmol / L;

[0036] (3) Wipe and sterilize the seed germination box with alcohol, th...

Embodiment 2

[0039] A method for improving tartary buckwheat seedling resistance to heavy metal lead stress, comprising the following steps:

[0040] (1) Choose tartary buckwheat seeds with no scars on the outside and full grains, dry them in the sun for 3 days, every day for 5-6 hours, then use a concentration of 0.1wt% formaldehyde solution to disinfect them for 2 hours, then rinse them with distilled water for 4 times;

[0041] (2) Submerge the washed seeds in step (1) in the seed soaking solution, and soak the seeds at a constant temperature of 25°C for 12 hours; wherein, the seed soaking solution includes ionic titanium, sodium hydrosulfide, γ-aminobutyric acid and molybdenum Ammonium acid, the concentration of ionic titanium is 0.05mmol / L, the concentration of sodium hydrosulfide is 12mmol / L, the concentration of γ-aminobutyric acid is 0.6mmol / L, and the concentration of ammonium molybdate is 0.7mmol / L;

[0042](3) Wipe and sterilize the seed germination box with alcohol, then put it...

Embodiment 3

[0045] A method for improving tartary buckwheat seedling resistance to heavy metal lead stress, comprising the following steps:

[0046] (1) Choose tartary buckwheat seeds with no scars on the outside and full grains, dry them in the sun for 3 days, every 6 hours, then disinfect them with 0.1 wt% hydrogen peroxide solution for 2 hours, and rinse them with distilled water for 5 times;

[0047] (2) Submerge the washed seeds in step (1) in the soaking solution, and soak the seeds at a constant temperature of 25°C for 24 hours; wherein, the soaking solution includes ionic titanium, sodium hydrosulfide, γ-aminobutyric acid and molybdenum Ammonium acid, the concentration of ionic titanium is 0.08mmol / L, the concentration of sodium hydrosulfide is 24mmol / L, the concentration of γ-aminobutyric acid is 0.9mmol / L, and the concentration of ammonium molybdate is 0.8mmol / L;

[0048] (3) Wipe and sterilize the seed germination box with alcohol, then put it into double-layer filter paper, an...

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Abstract

The invention provides a method for improving the heavy metal lead stress resistance of tartary buckwheat seedlings. The method comprises the following steps of selecting plump tartary buckwheat seedswithout scars on the surfaces, airing the seeds in the sun, disinfecting the seeds with a disinfectant, and flushing the seeds with distilled water; soaking the flushed seeds into a seed soaking solution at the constant temperature; scrubbing and disinfecting a seed germination box with ethyl alcohol, then putting double-layer filter paper into the seed germination box, uniformly laying the soaked seeds on the filter paper, covering the box with a box cover, and then putting the box into a shading culture box to obtain the tartary buckwheat seedlings; selecting strong seedlings with uniform growth vigor, planting the strong seedlings into loose and flat soil, covering the roots of the strong seedlings with the soil, and then applying mixed fertilizer to each seedling. According to the method, seedling cultivation is carried out by means of disinfection, seed soaking, shading culture and the like, the vigor of the tartary buckwheat seedlings under a lead stress condition can be effectively improved to resist heavy metal lead stress, and the germination rate of the tartary buckwheat seeds is increased.

Description

technical field [0001] The invention belongs to the technical field of agricultural production, and in particular relates to a method for improving the ability of tartary buckwheat seedlings to resist heavy metal lead stress. Background technique [0002] Tartary buckwheat has high nutritional value and medicinal value, strong stress resistance, and short growth cycle. Tartary buckwheat is widely used, not only as food, health food and medicine, but also as an important industrial raw material. During the growth of tartary buckwheat, a large amount of rutin will be produced, which is used in the production of health medicine or tea for the prevention and treatment of chronic diseases such as diabetes, hypertension, and obesity, with extremely high added value. Tartary buckwheat is in great demand in today’s market, and resources are scarce. Countries compete to buy from my country. Japan alone needs to import hundreds of thousands of tons every year. my country can only mee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/20A01C1/00C05G1/00
CPCA01C1/00A01G22/20C05B1/02C05C3/00C05C11/00C05D9/00C05D9/02C05C9/00C05D1/00C05F11/00
Inventor 万燕欧阳建勇叶巧玲乐梨庆马成瑞向达兵马前瑞盛正祥张加志赵钢邬晓勇吴琪
Owner CHENGDU UNIV
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