CN110833077A - Polygonatum kingianum seed coating agent and application thereof - Google Patents
Polygonatum kingianum seed coating agent and application thereof Download PDFInfo
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- A—HUMAN NECESSITIES
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- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/06—Coating or dressing seed
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- A—HUMAN NECESSITIES
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- A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
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- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/12—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings condensed with a carbocyclic ring
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- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
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- A—HUMAN NECESSITIES
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- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
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- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/18—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, directly attached to a heterocyclic or cycloaliphatic ring
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- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
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- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
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- A01N65/40—Liliopsida [monocotyledons]
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Abstract
The invention discloses a polygonatum kingianum seed coating agent and application thereof, wherein the coating agent comprises a water-retaining agent, plant hormones, Chinese herbal medicine extracts, a bactericide, a film-coating agent and an insecticide; the using amount of the water-retaining agent is 2 to 4 percent of the mass of the polygonatum kingianum seeds; the using amount of the plant hormone is 2 to 4 percent of the mass of the polygonatum kingianum seeds; the usage amount of the Chinese herbal medicine extract is 1 to 2 percent of the mass of the polygonatum kingianum seeds; the usage amount of the bactericide is 2 to 4 percent of the mass of the polygonatum kingianum seeds; the using amount of the film coating agent is 2 to 4 percent of the quality of the polygonatum kingianum seeds; the usage amount of the pesticide is 1 to 2 percent of the mass of the polygonatum kingianum seeds. The polygonatum kingianum seed coating agent can be applied to the coating of polygonatum kingianum seeds. The polygonatum kingianum seed coating agent provided by the invention can reduce the mildew rate of polygonatum kingianum seeds, reduce the loss of polygonatum kingianum seeds, break the dormant period of polygonatum kingianum seeds, shorten the germination period of polygonatum kingianum seeds, accelerate the germination of polygonatum kingianum seeds and improve the germination rate of polygonatum kingianum seeds.
Description
Technical Field
The invention relates to the technical field of traditional Chinese medicine planting, and in particular relates to a polygonatum kingianum seed coating agent and application thereof.
Background
Polygonatum kingianum Coll et Hemsl, which is a perennial herb of Polygonatum in Liliaceae, is one of the primordium of traditional Chinese medicine Polygonatum kingianum. Rhizoma polygonati is a common traditional Chinese medicine and has more than 2000 years of medication history in China. It is sweet and mild in nature and enters lung, spleen and kidney meridians. Has the effects of invigorating spleen and replenishing qi, moistening heart and lung, and strengthening tendons and bones. For deficiency, impairment of cold and heat, pulmonary tuberculosis, hemoptysis, asthenia after illness, poor appetite, weak muscles and bones, rheumatic pain, and rheumatic tinea, it is a yin-tonifying product; pharmacological research in recent years shows that besides the above effects, polygonatum has an antibacterial effect, especially has a remarkable effect on tubercle bacillus and fungi, and has a function of lowering blood pressure; recent research results also show that rhizoma polygonati has obvious effects of increasing coronary blood flow, relieving atherosclerosis degree and improving the activity of superoxide dismutase (SOD) in liver. With the increase of the demand of the market for the medicinal material polygonatum and the sharp reduction of wild resources, the market demand cannot be met by collecting wild polygonatum.
At present, the polygonatum kingianum propagation mainly depends on seed propagation and tuber division propagation, but the seed direct seeding propagation of the polygonatum kingianum has some problems, firstly, the seeds are easy to mildew, and the mildew rate of part of the seeds is as high as 30-70%; secondly, partial seeds have dormancy phenomenon, and the seedling emergence time is as long as 2 years; thirdly, the seedlings are irregular. Because the polygonatum kingianum seeds are rich in nutrient substances, when the polygonatum kingianum seedlings are propagated by using the seeds, the polygonatum kingianum seeds are easy to mildew and rot due to the fact that soil contains a large amount of bacteria and fungi, such as pythium and fusarium, and the like under the conditions of proper temperature and moisture. On the other hand, a large number of grubs, cutworms and other underground pests exist in the soil, and can bite the polygonatum kingianum seeds to cause the polygonatum kingianum seeds to have pathological changes and go moldy, so that the polygonatum kingianum seeds are mildewed and rotted in a large amount, and a large amount of loss of the polygonatum kingianum seeds is caused. In the growth process of polygonatum kingianum seedlings and even adult plants, the damage of diseases and insect pests such as root rot and mites is common, and the seedlings die due to withering when the damage is serious.
The Chinese patent with the application number of 201910034248.2 and the name of Polygonatum cyrtonema seed germinator and a germination accelerating method thereof discloses a Polygonatum cyrtonema seed germinator and a germination accelerating method thereof, and specifically comprises the following steps: a seed germination accelerating agent for polygonatum cyrtonema and a germination accelerating method thereof are disclosed, wherein the germination accelerating agent comprises the following raw materials in percentage by weight: 1 to 3 percent of ligninase, 0.5 to 1 percent of cellulase, 1 to 10 percent of carbendazim and the balance of distilled water. The method breaks the dormancy of polygonatum cyrtonema seeds through the prepared seed germination accelerating reagent, can greatly shorten the seedling raising period of polygonatum cyrtonema seeds, reduces the production cost, and can solve the problem of insufficient seedling supply of polygonatum cyrtonema.
Chinese patent with application number 201810013836.3, entitled "method for promoting germination of Polygonatum cyrtonema seed" discloses a method for promoting germination of Polygonatum cyrtonema seed. The method comprises the steps of cleaning polygonatum cyrtonema seeds to remove impurities on the surfaces of the seeds; soaking the cleaned seeds in warm water and phytohormone in sequence; the phytohormone seed soaking is as follows: soaking seeds soaked in the warm soup in KNO3 solution with the mass concentration of 0.5-1.5% at the temperature of 40 +/-5 ℃ for 24 +/-2 hours, then flushing with running water, and then soaking the seeds in hormone solution for 12 +/-1 hours; the seed obtained after the seed soaking is cultured in the dark at 25 + -1 deg.C under humid conditions, thereby germinating the seed. The method can break dormancy of Polygonatum cyrtonema seed, promote seed germination, shorten growth period of Polygonatum cyrtonema, and increase income of pesticide growers.
Chinese patent with application number 201810901394.6 entitled "Polygonatum cyrtonema seed breeding method capable of prolonging service life" discloses a Polygonatum cyrtonema seed breeding method capable of prolonging service life. The method comprises the following steps: s1, preprocessing sealwort seeds: a1, selecting mature rhizoma polygonati seeds; a2, taking out the sealwort seeds stored in the previous step in late April, immersing the seeds in a seed treatment agent, wherein the seed treatment agent comprises 0.05-2% of gibberellin, 0.02-3% of indoleacetic acid, 0.01-1% of naphthylacetic acid, 0.01-1% of 5-hydroxy-IAA, 0.01-1% of indolebutyric acid, 0.01-2% of 6-benzylaminopurine, 0.01-2% of 6-furfurylaminopurine, 0.01-2% of zeatin and the balance of water according to weight percentage; a3, treating seeds by using infrared light and ultrasonic waves; and S3, sowing seeds. The method adopts seed treatment agent to treat rhizoma Polygonati seed, can promote growth of rhizoma Polygonati seed, and adopts infrared ultrasonic wave to improve rhizoma Polygonati service life.
Chinese patent with application number 201710878645.9 entitled "A pretreatment method for sowing rhizoma Polygonati seed" discloses a pretreatment method for sowing rhizoma Polygonati seed. The method comprises soaking seeds in copper sulfate solution containing sodium selenite at high temperature to accelerate seed coat softening, kill diseases and pests remained in the seeds, promote sodium selenite and copper sulfate to permeate into the seeds, reduce activity of dormant substances in the seeds, and accelerate seed germination; after soaking, the seeds are freeze-dried, so that the activity of dormant substances is reduced, the seeds are quickly stimulated by high temperature and low temperature, the external high-low temperature change suffered by the seeds after sowing is simulated, the germination capacity of the seeds is improved, the germination of the seeds is accelerated, and the germination rate is improved.
Chinese patent with application number 201710181495.6 entitled "method for treating Polygonatum kingianum seeds" discloses a method for treating Polygonatum kingianum seeds. The method comprises the following steps: s1, selecting high-quality full-grain seeds and mixing the seeds with sand; s2, kneading the mixture of the seeds and the sand to remove green skin; s3, mixing the seeds with the green skins removed with sand, and then putting the mixture into a machine for polishing; s4, screening sand to remove the preserved seeds; after application and treatment, the sealwort seeds can be directly planted without dormancy treatment, so that the treatment period and cost are obviously reduced. In addition, the seedling emergence period of the seeds can be effectively shortened, the seedling emergence rate is improved, and the growth of seedlings is facilitated.
However, the above prior art focuses on the treatment and seed germination research of polygonatum kingianum seeds, and no research related to polygonatum kingianum seed coating agent exists at present.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the polygonatum kingianum seed coating agent and the application thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a Polygonatum kingianum seed coating agent comprises water retention agent, plant hormone, Chinese herbal medicine extract, bactericide, film coating agent and pesticide; the using amount of the water-retaining agent is 2-4% of the mass of the polygonatum kingianum seeds; the using amount of the plant hormone is 2 to 4 percent of the mass of the polygonatum kingianum seeds; the usage amount of the Chinese herbal medicine extract is 1 to 2 percent of the mass of the polygonatum kingianum seeds; the usage amount of the bactericide is 2 to 4 percent of the mass of the polygonatum kingianum seeds; the using amount of the film coating agent is 2 to 4 percent of the quality of the polygonatum kingianum seeds; the usage amount of the pesticide is 1-2% of the quality of the polygonatum kingianum seeds.
Further, the water-retaining agent is sodium polyacrylate.
Further, the plant hormone comprises gibberellin and ethephon, and the consumption of the gibberellin and the ethephon is 1% -2% of the mass of the polygonatum kingianum seeds respectively.
Further, the Chinese herbal medicine extract comprises one or two of paris polyphylla extract and sophora flavescens extract.
Further, the bactericide comprises carbendazim and gold pleionine, and the using amounts of the carbendazim and the gold pleionine are respectively 1% -2% of the quality of the polygonatum kingianum seeds.
Further, the film coating agent is chitosan.
Further, the pesticide is abamectin.
The invention also provides an application of the polygonatum kingianum seed coating agent, which comprises the following steps:
(1) low-temperature treatment of polygonatum kingianum seeds: storing the healthy mature polygonatum kingianum seeds without diseases and insect pests in a refrigerator at 5 ℃;
(2) pretreating polygonatum kingianum seeds: taking Polygonatum kingianum seeds, washing and soaking the Polygonatum kingianum seeds with hydrogen peroxide, then washing and soaking the Polygonatum kingianum seeds with sterile water, and airing the Polygonatum kingianum seeds;
(3) coating polygonatum kingianum seeds: pouring the water-retaining agent, the plant hormone, the Chinese herbal medicine extract, the bactericide, the film-coating agent and the insecticide into a special plastic bag respectively according to a certain proportion, fastening the opening of the bag, slightly shaking and fully rubbing until the seeds are uniformly coated to form a coating film, then carrying out stuffiness treatment, and then drying in the shade until the seeds are not sticky to the hands, thereby completing the coating process.
Further, after 10-12 months, taking mature polygonatum kingianum fruits, and after-ripening for 10-20 days in a shade place; rinsing to remove aril to obtain Polygonatum kingianum seeds, and screening mature, healthy and pest-free Polygonatum kingianum seeds.
Further, in the step (2), preferably, the prepared polygonatum kingianum seeds are washed and soaked for 15min by using a hydrogen peroxide solution with the mass concentration of 3%, washed and soaked for 1h by using sterile water, and then the seeds are aired in a cool and dry place.
The invention has the beneficial effects that: the polygonatum kingianum seed coating agent provided by the invention can reduce the mildew rate of polygonatum kingianum seeds, reduce the loss of polygonatum kingianum seeds, break the dormant period of polygonatum kingianum seeds, shorten the germination period of polygonatum kingianum seeds, accelerate the germination of polygonatum kingianum seeds and improve the germination rate of polygonatum kingianum seeds.
Detailed Description
The present invention will be further described below, and it should be noted that the present embodiment is based on the technical solution, and a detailed implementation manner and a specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
Example 1
The embodiment provides a polygonatum kingianum seed coating agent, which comprises a water-retaining agent, plant hormones, Chinese herbal medicine extracts, a bactericide, a film-coating agent and an insecticide; the using amount of the water-retaining agent is 2-4% of the mass of the polygonatum kingianum seeds; the using amount of the plant hormone is 2 to 4 percent of the mass of the polygonatum kingianum seeds; the usage amount of the Chinese herbal medicine extract is 1 to 2 percent of the mass of the polygonatum kingianum seeds; the usage amount of the bactericide is 2 to 4 percent of the mass of the polygonatum kingianum seeds; the using amount of the film coating agent is 2 to 4 percent of the quality of the polygonatum kingianum seeds; the usage amount of the pesticide is 1-2% of the quality of the polygonatum kingianum seeds.
Further, the water-retaining agent is sodium polyacrylate.
Further, the plant hormone comprises gibberellin and ethephon, and the consumption of the gibberellin and the ethephon is 1% -2% of the mass of the polygonatum kingianum seeds respectively.
Further, the Chinese herbal medicine extract comprises one or two of paris polyphylla extract and sophora flavescens extract.
Further, the bactericide comprises carbendazim and gold pleionine, and the using amounts of the carbendazim and the gold pleionine are respectively 1% -2% of the quality of the polygonatum kingianum seeds.
Further, the film coating agent is chitosan.
Further, the pesticide is abamectin.
Example 2
The embodiment provides an application of the polygonatum kingianum seed coating agent as described in embodiment 1, which is characterized by comprising the following steps:
(1) low-temperature treatment of polygonatum kingianum seeds: storing the healthy mature polygonatum kingianum seeds without diseases and insect pests in a refrigerator at 5 ℃;
(2) pretreating polygonatum kingianum seeds: taking Polygonatum kingianum seeds, washing and soaking the Polygonatum kingianum seeds with hydrogen peroxide, then washing and soaking the Polygonatum kingianum seeds with sterile water, and airing the Polygonatum kingianum seeds;
(3) coating polygonatum kingianum seeds: pouring the water-retaining agent, the plant hormone, the Chinese herbal medicine extract, the bactericide, the film-coating agent and the insecticide into a special plastic bag respectively according to a certain proportion, tightening the opening of the bag, slightly shaking and fully rubbing for about 10-20 minutes until the seeds are uniformly coated to form a coating film, tightly closing for 2-3 hours, and then drying in the shade until the seeds are not sticky, thereby completing the coating process.
In the step (1), preferably within 10-12 months, taking mature polygonatum kingianum fruits, and after-ripening for 10-20 days in a shade place; rinsing to remove aril to obtain Polygonatum kingianum seeds, and screening mature, healthy and pest-free Polygonatum kingianum seeds.
In the step (1), the mature polygonatum kingianum seeds are preferably stored in a refrigerator at 5 ℃ for 15 days.
In the step (2), the prepared polygonatum kingianum seeds are preferably taken, washed and soaked for 15min by using a hydrogen peroxide solution with the mass concentration of 3%, washed and soaked for 1h by using sterile water, and then the seeds are dried in a cool and dry place.
Example 3
This example will further demonstrate the performance of the coating agent of example 1 by experiment.
Experiment 1:
this example was conducted in the Yunnan university of traditional Chinese medicine laboratory.
(1) Low-temperature treatment of polygonatum kingianum seeds: the mature polygonatum kingianum seeds which are subjected to after-ripening treatment, are healthy and have no diseases and insect pests are placed in a refrigerator at the temperature of 5 ℃ for storage for 15 days.
(2) Pretreating polygonatum kingianum seeds: washing and soaking Polygonatum kingianum seeds in 3% hydrogen peroxide solution for 15min, washing and soaking in sterile water for 1h, and air drying.
(3) Coating polygonatum kingianum seeds:
pouring the water-retaining agent, the plant hormone, the Chinese herbal medicine extract, the bactericide, the film-coating agent and the insecticide into a special plastic bag respectively according to a certain proportion, tightening the opening of the bag, slightly shaking, fully rubbing for about 10 minutes until the seed coating is uniform to form a coating film, tightly closing for 2 hours, and then drying in the shade until the seed coating is not sticky to the hands, thereby completing the coating process.
The medicine ratio (weight ratio) is as follows:
seeds of polygonatum kingianum: 100
Sodium polyacrylate: 2
Gibberellin: 1 (added as a 200mg/l aqueous solution);
ethephon: 1 (addition in the form of a 300mg/l aqueous solution);
extract of paris polyphylla: 1
And (3) chitosan: 2 (added as a 1% aqueous solution);
abamectin: 1 (added as a 3% emulsion, 1:1500 times liquid);
carbendazim: 1 (added as 50% powder);
full gold: 2.
using the steamed stuffed bun seeds obtained by the above method as experimental treatment group, and uncoated seeds as control treatment group, performing Polygonatum kingianum seed germination percentage experiment (refer to crop seed inspection regulation)
(1) The method comprises the following steps: each treatment group had 150 seeds divided into 3 replicates of 50 seeds each. The germination bed adopts double-layer wet filter paper, the double-layer wet filter paper is placed in a light culture box for culture at 25 ℃ and 2500lx12h for 90d, water is added into a culture dish every day in the test process to keep the filter paper wet, and the germination number of seeds is recorded.
(2) Results of the experiment
TABLE 1 germination test results of polygonatum kingianum coated seeds (x + -s, n ═ 3)
| Categories | Germination rate | Rate of mildew formation | Dormant seed |
| Coated seed | 77.37±4.16 | 14.66±1.15 | 8.00±5.29 |
| Control seed | 24.67±3.06 | 65.33±3.06 | 10.00±5.29 |
Experiment 2
The experiment is implemented in the Yunnan university of traditional Chinese medicine laboratory.
(1) Low-temperature treatment of polygonatum kingianum seeds: the mature polygonatum kingianum seeds which are subjected to after-ripening treatment, are healthy and have no diseases and insect pests are placed in a refrigerator at the temperature of 5 ℃ for storage for 15 days.
(2) Pretreating polygonatum kingianum seeds: washing and soaking Polygonatum kingianum seeds in 3% hydrogen peroxide solution for 15min, washing and soaking in sterile water for 1h, and air drying.
(3) Coating Polygonatum kingianum seeds, pouring water-retaining agent, plant hormone, Chinese herbal medicine extract, bactericide, film-coating agent and insecticide into special plastic bags respectively according to a certain proportion, tightening the bag mouth, slightly shaking and fully rubbing for about 20 minutes until the seeds are coated uniformly to form a coating film, tightly closing for 3 hours, and drying in the shade until the seeds are not sticky, thereby completing the coating process.
The medicine ratio (weight ratio) is as follows:
seeds of polygonatum kingianum: 100
Sodium polyacrylate: 4
Gibberellin: 2 (addition in the form of a 100mg/l aqueous solution)
Ethephon: 2 (addition in the form of a 300mg/l aqueous solution)
And (3) sophora flavescens extract: 2
And (3) chitosan: 4 (addition in the form of a 1% aqueous solution)
Abamectin: 2 (added in the form of 3% emulsion, 1:1500 times liquid)
Carbendazim: 2 (added as 50% powder)
Full gold: 1.
using the steamed stuffed bun seeds obtained by the above method as experimental treatment group, and uncoated seeds as control treatment group, performing Polygonatum kingianum seed germination percentage experiment (refer to crop seed inspection regulation)
(1) The method comprises the following steps: each treatment group had 150 seeds divided into 3 replicates of 50 seeds each. The germination bed adopts double-layer wet filter paper, the double-layer wet filter paper is placed in a light culture box for culture at 25 ℃ and 2500lx12h for 90d, water is added into a culture dish every day in the test process to keep the filter paper wet, and the germination number of seeds is recorded.
(2) Results of the experiment
TABLE 2 germination test results of polygonatum kingianum coated seeds (x + -s, n ═ 3)
| Item | Germination rate | Rate of mildew formation | Dormant seed |
| Coated seed | 71.33±9.02 | 16.67±5.03 | 12.00±8.72 |
| Control seed | 30.00±4.00 | 51.33±6.11 | 18.67±2.31 |
Experiments 1 and 2 both show that the coating agent in the embodiment 1 can realize short seed germination time, the germination rate of polygonatum kingianum seeds is improved to 60-80% from 30-50%, and the mildew rate of the seeds is reduced to about 10% from 30-70%, so that the germination rate of polygonatum kingianum seeds is greatly improved, and the loss of polygonatum kingianum seeds is reduced. And the method is simple and easy to implement, has low cost and is beneficial to popularization.
Various corresponding changes and modifications can be made by those skilled in the art based on the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.
Claims (10)
1. A Polygonatum kingianum seed coating agent is characterized by comprising a water-retaining agent, a plant hormone, a Chinese herbal medicine extract, a bactericide, a film coating agent and an insecticide; the using amount of the water-retaining agent is 2-4% of the mass of the polygonatum kingianum seeds; the using amount of the plant hormone is 2 to 4 percent of the mass of the polygonatum kingianum seeds; the usage amount of the Chinese herbal medicine extract is 1 to 2 percent of the mass of the polygonatum kingianum seeds; the usage amount of the bactericide is 2 to 4 percent of the mass of the polygonatum kingianum seeds; the using amount of the film coating agent is 2 to 4 percent of the quality of the polygonatum kingianum seeds; the usage amount of the pesticide is 1-2% of the quality of the polygonatum kingianum seeds.
2. The polygonatum kingianum seed coating agent of claim 1, wherein the water retention agent is sodium polyacrylate.
3. The polygonatum kingianum seed coating agent of claim 1, wherein the plant hormones comprise gibberellin and ethephon, and the use amounts of the gibberellin and the ethephon are respectively 1-2% of the mass of the polygonatum kingianum seed.
4. The polygonatum kingianum seed coating agent according to claim 1, wherein the Chinese herbal medicine extract comprises one or two of paris polyphylla extract and sophora flavescens extract.
5. The polygonatum kingianum seed coating agent of claim 1, wherein the bactericide comprises carbendazim and gold, and the usage amount of the carbendazim and the gold is 1-2% of the polygonatum kingianum seed by mass.
6. The polygonatum kingianum seed coating agent of claim 1, wherein the film coating agent is chitosan.
7. The polygonatum kingianum seed coating agent of claim 1, wherein the pesticide is abamectin.
8. The use of the polygonatum kingianum seed coating agent according to any one of claims 1 to 7, comprising the steps of:
(1) low-temperature treatment of polygonatum kingianum seeds: storing the healthy mature polygonatum kingianum seeds without diseases and insect pests in a refrigerator at 5 ℃;
(2) pretreating polygonatum kingianum seeds: taking Polygonatum kingianum seeds, washing and soaking the Polygonatum kingianum seeds with hydrogen peroxide, then washing and soaking the Polygonatum kingianum seeds with sterile water, and airing the Polygonatum kingianum seeds;
(3) coating polygonatum kingianum seeds: pouring the water-retaining agent, the plant hormone, the Chinese herbal medicine extract, the bactericide, the film-coating agent and the insecticide into a special plastic bag respectively according to a certain proportion, fastening the opening of the bag, slightly shaking and fully rubbing until the seeds are uniformly coated to form a coating film, then carrying out stuffiness treatment, and then drying in the shade until the seeds are not sticky to the hands, thereby completing the coating process.
9. The application of claim 8, wherein mature polygonatum kingianum fruits are taken in 10-12 months and placed in a shady and cool place for after-ripening for 10-20 days; rinsing to remove aril to obtain Polygonatum kingianum seeds, and screening mature, healthy and pest-free Polygonatum kingianum seeds.
10. The use according to claim 8, wherein in the step (2), the prepared polygonatum kingianum seeds are preferably washed and soaked for 15min by using a hydrogen peroxide solution with the mass concentration of 3%, and then washed and soaked for 1h by using sterile water, and then the seeds are aired in a cool and dry place.
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