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Method of cultivating selenium-enriched garlic plant material

A technology of plant materials and selenium-enriched garlic, applied in botany equipment and methods, fertilization methods, fertilizer mixtures, etc., can solve the problems of short selenium persistence, limited reduction and utilization rate, etc., and achieve high selenium cultivation and biological growth effect of effectiveness

Inactive Publication Date: 2012-06-27
SUZHOU SETEK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a method for cultivating selenium-enriched garlic plant materials, which solves the problems of selenium in garlic plant materials in the prior art that is not long-lasting, is easy to be reduced in the environment, and has limited utilization.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Under soil cultivation conditions, mix sodium selenite with activated carbon of the same quality and 10 times the quality of humic acid at the seedling stage of garlic, and then mix it with a certain amount of slaked lime to obtain a mixture of pH 7-8, and apply it to the In the soil where garlic grows, the average selenium content in the plow layer soil where it grows is 0.2mg / kg. When harvesting, the garlic is collected to test the selenium content. The total selenium content is about 3mg / kg. The utilization rate of selenium About 10% higher than under normal conditions.

[0030] Under hydroponic conditions, mix sodium selenite and sodium selenate in any ratio, add humic acid 20 times the mass to the culture medium, adjust the pH of the culture medium to 7-8, and keep the average selenium content at 0.2mg / kg, when harvesting, gather garlic and carry out the test of selenium content, wherein total selenium content is about 4mg / kg, and wherein, the utilization rate of ...

Embodiment 2

[0032]Under soil cultivation conditions, mix sodium selenate with activated carbon of the same quality and 30 times the quality of fulvic acid during the growth period of garlic, and then mix it with a certain amount of potassium hydroxide to obtain a mixture of pH 7-8, and mix it with Apply it to the soil where garlic grows, so that the average selenium content in the cultivated layer soil where it grows is 5mg / kg. When harvesting, the garlic is collected to test the selenium content. The total selenium content is about 20mg / kg. The utilization of selenium The rate is about 15% higher than under normal conditions.

[0033] Under hydroponic conditions, mix sodium selenite and sodium selenate in any ratio, then add 40 times the mass of fulvic acid into the culture medium, adjust the pH of the culture medium to 7-8, and keep the average selenium content at 5mg / kg, when harvesting, gather garlic and carry out the test of selenium content, wherein total selenium content is about ...

Embodiment 3

[0035] Under soil cultivation conditions, during the flower bud differentiation stage of garlic, mix selenium-containing ore with activated carbon of the same quality, 50 times the quality of humic acid and fulvic acid, and then mix with a certain amount of slaked lime to obtain a mixture with a pH of 7-8. It is applied to the soil where garlic grows, so that the average selenium content in the cultivated layer soil where it grows is 10 mg / kg. When harvesting, the garlic is collected for selenium content testing. The total selenium content is about 100 mg / kg, and the selenium content is about 100 mg / kg. The utilization rate is about 15% higher than under normal conditions.

[0036] Under hydroponic conditions, mix sodium selenite and sodium selenate in any ratio, add 60 times the mass of fulvic acid and humic acid mixture to the culture medium, adjust the pH of the culture medium to 7-8, and make the selenium The average content is maintained at 10mg / kg. When the garlic is har...

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Abstract

The invention discloses a method of cultivating a selenium-enriched garlic plant material. The selenium content of the selenium-enriched garlic plant material is 3mg / kg-1500mg / kg, and selenium existing in a form of Se-methylselenocysteine accounts for more than 80% of the content of total selenium. The method is characterized by including: adding a selenium source into garlic growth medium in growth of garlic, using the selenium source to adjust the selenium content of the growth medium to be 0.2-100mg / kg, and adding alkaline matter to adjust the overall or local environmental pH value of the growth medium to be 7-8. By the method, the selenium source is obtained from different selenium concentration gradients, a good selenium form result is obtained, and the shortages that persistence of plant material selenium in the prior art is poor, the selenium is easy to be reduced in the environment, the utilization rate of the selenium is limited and the like are overcome.

Description

technical field [0001] The invention relates to a method for producing selenomethylselenocysteine ​​by utilizing plant transformation, in particular to a method for producing selenomethylselenocysteine ​​by utilizing high-selenium garlic. Background technique [0002] Selenium is an essential trace element in humans and animals. It is the active center of up to 23 functional proteins such as glutathione peroxidase (GSH-Px) and selenoprotein P. It has anti-cancer, anti-oxidation, and immune-enhancing properties. power etc. About 72% of our country's daily intake of selenium is significantly lower than the daily selenium intake recommended by the World Health Organization (WHO), resulting in serious human and animal health problems. [0003] Selenium is generally divided into two categories: inorganic selenium and organic selenium: the former includes selenate, selenite, etc. Inorganic selenium is poorly absorbed by humans and animals, and has a high risk of toxicity. Imprope...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01C21/00C05G3/00
Inventor 李飞朱晨光
Owner SUZHOU SETEK
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