CN111742800A - Seedling raising method for selenium-rich rice - Google Patents
Seedling raising method for selenium-rich rice Download PDFInfo
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- CN111742800A CN111742800A CN202010649656.1A CN202010649656A CN111742800A CN 111742800 A CN111742800 A CN 111742800A CN 202010649656 A CN202010649656 A CN 202010649656A CN 111742800 A CN111742800 A CN 111742800A
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- selenium
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- nutrient solution
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention provides a seedling raising method of selenium-enriched rice, which comprises the following steps: (1) putting the seeds into water, heating and soaking, and then fishing out and airing; (2) preserving the aired seeds at constant temperature, and spraying water at regular time until the seeds germinate; (3) spraying selenium-rich nutrient solution into the transplanted soil, and then transplanting the germinated seedlings into the soil; (4) spraying the selenium-rich nutrient solution to the transplanted seedlings every 1-3 days until the seedling breeding is completed. The seedling raising method of the selenium-rich rice provided by the invention has the advantages that the selenium is fully absorbed by the seedlings by spraying the selenium-rich nutrient solution twice, and the yield and the nutritive value of the rice can be improved.
Description
Technical Field
The invention belongs to the field of planting, and particularly relates to a seedling raising method for selenium-enriched rice.
Background
Selenium is a chemical element, the chemical symbol is Se, is a nutrient element beneficial to plants and is also a trace element necessary for human bodies, and the selenium can improve the immunity of the human bodies, promote the proliferation of lymphocytes and the synthesis of antibodies and immune globulin. Selenium has obvious inhibiting and protecting effects on colon cancer, skin cancer, liver cancer, breast cancer and other cancers, and a methyl enol which is an intermediate metabolite in a body has strong anticancer activity. Selenium and vitamin E, garlicin, linoleic acid, germanium, zinc and other nutrients have synergistic antioxidant effect and increased antioxidant activity. Meanwhile, selenium has the effect of relieving and alleviating heavy metal toxicity.
The selenium deficiency of human body can cause various diseases, most typically, local disease-keshan disease in keshan county of Heilongjiang province of China, Kaschin-Beck disease, cancer, cardiovascular disease, cataract, cystic fibrosis, hypertension, thyromegaly, immunologic deficiency, lymphoblastic anemia, retinal spot degeneration, muscular dystrophy, ulcerative colitis, arthritis and human body aging are directly connected with the selenium deficiency of human body. Therefore, the selenium-enriched food has important significance on human health.
The selenium-rich rice not only preserves all the nutrient components of common rice, but also has various special health care functions of resisting and preventing cancer, protecting heart, delaying senility, resisting oxidation, eliminating free radicals, improving human immunity and the like. Because the special health care function of the selenium-rich rice and the selenium are mineral trace elements necessary for human bodies, people can improve the quality of life, the development is rapid in recent years, the growth of the selenium-rich rice has strict requirements on the environment, and the seedling raising process of the selenium-rich rice can influence the yield of the rice and the selenium content of the harvested rice.
Disclosure of Invention
In view of the above, the invention provides a seedling raising method for selenium-rich rice, aiming at overcoming the defects in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a seedling raising method of selenium-enriched rice comprises the following steps:
(1) putting the seeds into water, heating and soaking, and then fishing out and airing;
(2) preserving the aired seeds at constant temperature, and spraying water at regular time until the seeds germinate;
(3) spraying selenium-rich nutrient solution into the transplanted soil, and then transplanting the germinated seedlings into the soil;
(4) spraying the selenium-rich nutrient solution to the transplanted seedlings every 1-3 days until the seedling breeding is completed.
Further, the heating step in the step (1) is carried out at the temperature of 35-38 ℃ for 1-2 hours.
Further, the temperature of the storing step in the step (2) is 35-38 ℃.
Further, the application amount of the selenium-rich nutrient solution in the step (4) is 100-200 kg/mu.
The selenium-rich nutrient solution is prepared from the following raw materials in parts by weight: 5-20 parts of daylily extract, 10-20 parts of fish meal, 20-30 parts of dried small shrimp powder, 1-5 parts of urea, 1-5 parts of zinc sulfate, 1-5 parts of sodium chloride and 0.1-5 parts of diammonium phosphate.
Further, the nutrient solution is prepared from the following raw materials in parts by weight: 5-10 parts of daylily extract, 10-20 parts of fish meal, 20-30 parts of dried small shrimp powder, 1-5 parts of urea, 1-5 parts of zinc sulfate, 1-5 parts of sodium chloride and 0.1-2 parts of diammonium phosphate.
Further, the daylily extract is prepared by a method comprising the following steps: cleaning and airing the daylily, crushing the aired daylily, putting the powder into a microwave extraction bottle, taking methanol as an extractant, and extracting by using a microwave-ultrasonic wave synergistic extraction instrument to obtain a daylily extract.
Further, the operating parameters of the microwave-ultrasonic wave synergic extraction instrument are that the power: 200 and 250W for 5-10 min.
Further, the mass ratio of the powder to the methanol is 1: 10-20.
The preparation method of the selenium-rich nutrient solution comprises the following steps: dissolving the daylily extract, fish meal, dried small shrimp powder, urea, zinc sulfate, sodium chloride and diammonium phosphate in 30 times of water, and mixing uniformly.
Compared with the prior art, the invention has the following advantages:
the seedling raising method of the selenium-rich rice provided by the invention has the advantages that the selenium is fully absorbed by the seedlings by spraying the selenium-rich nutrient solution twice, and the yield and the nutritive value of the rice can be improved.
The selenium-rich nutrient solution disclosed by the invention is added with the daylily extract, so that the selenium content of the daylily extract is greatly improved, and the selenium absorption effect of seedlings is improved.
Compared with the traditional reflux extraction and Soxhlet extraction, the extraction efficiency is higher, and the operation is simpler and more convenient.
Detailed Description
Unless defined otherwise, technical terms used in the following examples have the same meanings as commonly understood by one of ordinary skill in the art to which the present invention belongs. The test reagents used in the following examples, unless otherwise specified, are all conventional biochemical reagents; the experimental methods are conventional methods unless otherwise specified.
The present invention will be described in detail with reference to examples.
Example 1
A seedling raising method of selenium-enriched rice comprises the following steps: (1) placing the seeds in water, heating and soaking at 35 ℃ for 1 hour, and then fishing out and airing; (2) storing the dried seeds at 35 ℃, and spraying water regularly until the seeds germinate; (3) spraying selenium-rich nutrient solution into the transplanted soil, and then transplanting the germinated seedlings into the soil; (4) spraying the selenium-rich nutrient solution to the transplanted seedlings every 2 days, wherein the application amount of the selenium-rich nutrient solution is 100 kg/mu until the seedling breeding is completed.
The selenium-rich nutrient solution is prepared from the following raw materials in parts by weight: 10 parts of daylily extract, 15 parts of fish meal, 20 parts of dried small shrimp powder, 2 parts of urea, 1 part of zinc sulfate, 1 part of sodium chloride and 0.5 part of diammonium phosphate.
The daylily extract is prepared by the method comprising the following steps: cleaning and airing the yellow flowers, crushing the aired yellow flowers, putting the powder into a microwave extraction bottle, taking methanol as an extractant, and extracting the powder and the methanol at a mass ratio of 1:20 by using a microwave-ultrasonic synergistic extraction instrument, wherein the extraction parameter is 200W, and the substance obtained after 6 minutes is the yellow flower extract.
The selenium content of the rice obtained after harvesting is 0.221mg/kg, and the yield is 1.326 ton.
Example 2
A seedling raising method of selenium-enriched rice comprises the following steps: (1) placing the seeds in water, heating and soaking at 35 ℃ for 1 hour, and then fishing out and airing; (2) storing the dried seeds at 35 ℃, and spraying water regularly until the seeds germinate; (3) spraying selenium-rich nutrient solution into the transplanted soil, and then transplanting the germinated seedlings into the soil; (4) spraying the selenium-rich nutrient solution to the transplanted seedlings every 2 days, wherein the application amount of the selenium-rich nutrient solution is 100 kg/mu until the seedling breeding is completed.
The selenium-rich nutrient solution is prepared from the following raw materials in parts by weight: 15 parts of daylily extract, 15 parts of fish meal, 20 parts of dried small shrimp powder, 2 parts of urea, 1 part of zinc sulfate, 1 part of sodium chloride and 0.5 part of diammonium phosphate.
The daylily extract is prepared by the method comprising the following steps: cleaning and airing the yellow flowers, crushing the aired yellow flowers, putting the powder into a microwave extraction bottle, taking methanol as an extractant, and extracting the powder and the methanol at a mass ratio of 1:20 by using a microwave-ultrasonic synergistic extraction instrument, wherein the extraction parameter is 200W, and the substance obtained after 6 minutes is the yellow flower extract.
The selenium content of the rice obtained after harvesting is 0.285mg/kg, and the yield is 1.523 tons.
Example 3
A seedling raising method of selenium-enriched rice comprises the following steps: (1) placing the seeds in water, heating and soaking at 35 ℃ for 1 hour, and then fishing out and airing; (2) storing the dried seeds at 35 ℃, and spraying water regularly until the seeds germinate; (3) spraying selenium-rich nutrient solution into the transplanted soil, and then transplanting the germinated seedlings into the soil; (4) spraying the selenium-rich nutrient solution to the transplanted seedlings every 2 days, wherein the application amount of the selenium-rich nutrient solution is 100 kg/mu until the seedling breeding is completed.
The selenium-rich nutrient solution is prepared from the following raw materials in parts by weight: 10 parts of daylily extract, 15 parts of fish meal, 20 parts of dried small shrimp powder, 5 parts of urea, 1 part of zinc sulfate, 1 part of sodium chloride and 0.5 part of diammonium phosphate.
The daylily extract is prepared by the method comprising the following steps: cleaning and airing the yellow flowers, crushing the aired yellow flowers, putting the powder into a microwave extraction bottle, taking methanol as an extractant, and extracting the powder and the methanol at a mass ratio of 1:20 by using a microwave-ultrasonic synergistic extraction instrument, wherein the extraction parameter is 200W, and the substance obtained after 6 minutes is the yellow flower extract.
The selenium content of the rice obtained after harvesting is 0.262mg/kg, and the yield is 1.480 tons.
Example 4
A seedling raising method of selenium-enriched rice comprises the following steps: (1) placing the seeds in water, heating and soaking at 35 ℃ for 1 hour, and then fishing out and airing; (2) storing the dried seeds at 35 ℃, and spraying water regularly until the seeds germinate; (3) spraying selenium-rich nutrient solution into the transplanted soil, and then transplanting the germinated seedlings into the soil; (4) spraying the selenium-rich nutrient solution to the transplanted seedlings every 2 days, wherein the application amount of the selenium-rich nutrient solution is 100 kg/mu until the seedling breeding is completed.
The selenium-rich nutrient solution is prepared from the following raw materials in parts by weight: 10 parts of daylily extract, 15 parts of fish meal, 20 parts of dried small shrimp powder, 2 parts of urea, 1 part of zinc sulfate, 1 part of sodium chloride and 0.5 part of diammonium phosphate.
The daylily extract is prepared by the method comprising the following steps: cleaning and airing the yellow flowers, crushing the aired yellow flowers, putting the powder into a microwave extraction bottle, taking methanol as an extractant, and extracting the powder and the methanol at a mass ratio of 1:10 by using a microwave-ultrasonic synergistic extraction instrument, wherein the extraction parameter is 200W, and the substance obtained after 4 minutes is the yellow flower extract.
The selenium content of the rice obtained after harvesting is 0.216mg/kg, and the yield is 1.206 tons.
Comparative example 1
A seedling raising method of rice comprises the following steps: (1) putting the seeds into water, heating and soaking at 35 ℃ for 1 hour, and then fishing out and airing; (2) storing the dried seeds at 35 ℃, and spraying water regularly until the seeds germinate; (3) spraying water into the transplanted soil, and then transplanting the germinated seedlings into the soil; (4) spraying water to the transplanted seedlings every 2 days until the seedling breeding is completed.
The selenium content of the rice obtained after harvesting is 0.023mg/kg, and the yield is 0.964 ton.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A seedling raising method of selenium-enriched rice is characterized by comprising the following steps: the method comprises the following steps:
(1) putting the seeds into water, heating and soaking, and then fishing out and airing;
(2) preserving the aired seeds at constant temperature, and spraying water at regular time until the seeds germinate;
(3) spraying selenium-rich nutrient solution into the transplanted soil, and then transplanting the germinated seedlings into the soil;
(4) spraying the selenium-rich nutrient solution to the transplanted seedlings every 1-3 days until the seedling breeding is completed.
2. The method for raising seedlings of selenium-enriched rice as claimed in claim 1, wherein: the heating step in the step (1) is carried out at the temperature of 35-38 ℃ for 1-2 hours.
3. The method for raising seedlings of selenium-enriched rice as claimed in claim 1, wherein: the temperature of the storage step in the step (2) is 35-38 ℃.
4. The method for raising seedlings of selenium-enriched rice as claimed in claim 1, wherein: the application amount of the selenium-rich nutrient solution in the step (4) is 100-200 kg/mu.
5. A selenium-rich nutrient solution is characterized in that: the nutrient solution is prepared from the following raw materials in parts by weight: 5-20 parts of daylily extract, 10-20 parts of fish meal, 20-30 parts of dried small shrimp powder, 1-5 parts of urea, 1-5 parts of zinc sulfate, 1-5 parts of sodium chloride and 0.1-5 parts of diammonium phosphate.
6. A seedling raising method of selenium-enriched rice as claimed in claim 5, characterized in that: the nutrient solution is prepared from the following raw materials in parts by weight: 5-10 parts of daylily extract, 10-20 parts of fish meal, 20-30 parts of dried small shrimp powder, 1-5 parts of urea, 1-5 parts of zinc sulfate, 1-5 parts of sodium chloride and 0.1-2 parts of diammonium phosphate.
7. The method for raising seedlings of selenium-enriched rice as claimed in claim 6, wherein: the daylily extract is prepared by the method comprising the following steps: cleaning and airing the daylily, crushing the aired daylily, putting the powder into a microwave extraction bottle, taking methanol as an extractant, and extracting by using a microwave-ultrasonic wave synergistic extraction instrument to obtain a substance, namely the daylily extract.
8. The method for raising seedlings of selenium-enriched rice as claimed in claim 6, wherein: the microwave-ultrasonic wave synergistic extraction instrument has the following operating parameters: 200 and 250W for 5-10 min.
9. The method for raising seedlings of selenium-enriched rice as claimed in claim 6, wherein: the mass ratio of the powder to the methanol is 1: 10-20.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010649656.1A CN111742800A (en) | 2020-07-08 | 2020-07-08 | Seedling raising method for selenium-rich rice |
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| CN202010649656.1A CN111742800A (en) | 2020-07-08 | 2020-07-08 | Seedling raising method for selenium-rich rice |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112514747A (en) * | 2020-11-30 | 2021-03-19 | 湖北省农业科学院粮食作物研究所 | Rice machine transplanting and seedling raising method |
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| CN110885273A (en) * | 2018-08-15 | 2020-03-17 | 天津市玉米良种场(天津市农作物良种繁育基地) | Special fertilizer for cultivating selenium-rich rice and preparation method thereof |
| CN111226714A (en) * | 2020-01-20 | 2020-06-05 | 贺州市昊辰农业发展股份有限公司 | Seedling raising method for selenium-rich rice |
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2020
- 2020-07-08 CN CN202010649656.1A patent/CN111742800A/en active Pending
Patent Citations (7)
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| CN104147079A (en) * | 2014-07-09 | 2014-11-19 | 陕西师范大学 | Ultrasonic-microwave synergetic extracted cornel iridoid glycoside, as well as extraction and determination method thereof |
| CN106612723A (en) * | 2016-11-23 | 2017-05-10 | 长沙理工大学 | Germination accelerating, seedling raising and cultivating method of selenium-enriched paddy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112514747A (en) * | 2020-11-30 | 2021-03-19 | 湖北省农业科学院粮食作物研究所 | Rice machine transplanting and seedling raising method |
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Application publication date: 20201009 |