CN113331203A - Astragalus seed coating agent and coating method and application thereof - Google Patents
Astragalus seed coating agent and coating method and application thereof Download PDFInfo
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- CN113331203A CN113331203A CN202110492141.XA CN202110492141A CN113331203A CN 113331203 A CN113331203 A CN 113331203A CN 202110492141 A CN202110492141 A CN 202110492141A CN 113331203 A CN113331203 A CN 113331203A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- 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
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—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
- 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
- A01N37/46—N-acyl derivatives
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/78—1,3-Thiazoles; Hydrogenated 1,3-thiazoles
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- General Health & Medical Sciences (AREA)
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- Health & Medical Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Soil Sciences (AREA)
- Toxicology (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention provides a seed coating agent of astragalus and a coating method and application thereof, the seed coating agent of astragalus is composed of 5.56-8.34% of thiabendazole, 0.72-1.08% of metalaxyl-M, 0.92-1.38% of fludioxonil, 6% of thiamethoxam, 2.5% of agricultural milk 700, 0.3% of xanthan gum, 0.2% of sodium carboxymethylcellulose, 5% of glycol and purified water, the seed coating agent of astragalus is simple in component, safe and low in toxicity, simple in production process, low in cost and suitable for large-scale industrial production; the film-forming agent and the antifreezing agent are added in the formula of the seed coating agent, so that the coated astragalus seeds have certain low-temperature resistance, and the germination rate of the astragalus seeds in adverse conditions can be improved; the coating method is that the astragalus seed coating agent and the astragalus seeds are directly mixed and stirred evenly according to a certain medicine proportion and then dried, and the coating method is simple; the invention optimizes and verifies the astragalus seed coating agent and the coating method thereof, and the astragalus seed coating agent can effectively solve the pathogenic bacteria carried by astragalus seeds, plant diseases and insect pests in seedling stage and the like when being used for raising seedlings of astragalus seeds, and simultaneously promotes the robust growth of astragalus root systems, thereby improving the germination rate of the seeds and the quality of medicinal materials.
Description
Technical Field
The invention belongs to the technical field of traditional Chinese medicine seed treatment agents, and particularly relates to an astragalus seed coating agent and a coating method and application thereof.
Background
Astragalus membranaceus is one of the perennial herb plants in leguminosae and a bulk drug in Gansu, and has the effects of tonifying qi, invigorating yang, consolidating superficial resistance, arresting sweating, inducing diuresis, relieving swelling, expelling toxin, expelling pus, healing sore and promoting granulation. The astragalus is mainly propagated by seeds or seedlings, the quality of the seeds is a key factor for determining the high and low yield of the medicinal materials and is also a main condition for determining the quality of the medicinal materials, and pathogenic bacteria carried by the astragalus seeds or pathogenic bacteria in soil, underground pests and other factors can seriously influence the germination of the seedlings of the seeds to cause the reduction of the yield and the quality of the astragalus. The seed coating technology can prevent and control plant diseases and insect pests in seedling stage and promote the growth of seedlings, and has obvious economic effect, but the seed coating agent in China is mainly applied to crop seeds, and the research on the seed coating agent of Chinese medicinal material seeds is less. Because the seed coat of the astragalus seeds is hard and impermeable, the astragalus seeds need to be treated for a long time during germination treatment, and the seed coating agent of common crop seeds cannot promote the germination of the astragalus seeds, a seed coating agent capable of improving the germination rate of the astragalus seeds is needed.
Disclosure of Invention
The invention aims to provide an astragalus seed coating agent, a coating method and application thereof, which are used for solving pathogenic bacteria, seedling diseases and insect pests and the like carried by astragalus seeds and promoting the robust growth of astragalus root systems, thereby improving the germination rate of the seeds and the quality of medicinal materials thereof.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows: the astragalus seed coating agent is composed of the following raw materials in percentage by mass: 5.56 to 8.34 percent of thiabendazole, 0.72 to 1.08 percent of metalaxyl-M, 0.92 to 1.38 percent of fludioxonil, 6 percent of thiamethoxam, 2.5 percent of agricultural emulsion 700, 0.3 percent of xanthan gum, 0.2 percent of sodium carboxymethylcellulose, 5 percent of glycol and the balance of water.
The invention also provides a coating method of the astragalus seed coating agent, which comprises the following steps:
preparing the astragalus seed coating agent: the material is prepared by mixing the following raw materials in percentage by mass: 5.56 to 8.34 percent of thiabendazole, 0.72 to 1.08 percent of metalaxyl-M, 0.92 to 1.38 percent of fludioxonil, 6 percent of thiamethoxam, 2.5 percent of agricultural emulsion 700, 0.3 percent of xanthan gum, 0.2 percent of sodium carboxymethylcellulose, 5 percent of glycol and the balance of water;
mixing the seed coating agent with radix astragali seed, stirring, and air drying to obtain radix astragali seed coating.
Further, the medicine seed ratio of the astragalus seed coating agent to the astragalus seeds is 1 mL: 110-165 g.
Further, the astragalus seed coating agent is composed of the following raw materials in percentage by mass: 6.95% thiabendazole, 0.9% metalaxyl-M, 1.15% fludioxonil, 6% thiamethoxam, 2.5% Nongru 700, 0.3% xanthan gum, 0.2% sodium carboxymethylcellulose, 5% ethylene glycol, and the balance of purified water.
Further, the medicine seed ratio of the astragalus seed coating agent to the astragalus seeds is 1 mL: 160 g.
The invention also provides application of the astragalus seed coating agent in seedling raising of astragalus seeds.
The invention also provides application of the coating method of the astragalus seed coating agent in seedling raising of astragalus seeds.
Compared with the prior art, the invention has the following beneficial effects: the invention provides a seed coating agent of radix astragali, a coating method and application thereof, the seed coating agent of radix astragali consists of 5.56-8.34% of thiabendazole, 0.72-1.08% of metalaxyl-M, 0.92-1.38% of fludioxonil, 6% of thiamethoxam, 2.5% of agricultural milk 700, 0.3% of xanthan gum, 0.2% of sodium carboxymethylcellulose, 5% of glycol and purified water, the seed coating agent of radix astragali has simple components, convenient preparation, safety and low toxicity, simple production process and lower cost, and is suitable for large-scale industrial production; the film-forming agent and the antifreezing agent are added in the formula of the seed coating agent, the coating treatment of the seed coating agent on the astragalus membranaceus can improve the film-forming property, uniformity and shedding rate of the coating, and the coated astragalus membranaceus has certain low-temperature resistance and can improve the germination rate of the astragalus membranaceus under adverse conditions; the coating method is that the astragalus seed coating agent and the astragalus seeds are directly mixed and stirred evenly according to a certain medicine proportion and then dried, and the coating method is simple; the invention carries out optimization verification on the astragalus seed coating agent and the coating method thereof, and in a germination box experiment, the germination rate of the coated astragalus seeds is improved by 8-21 percent, the mildew rate is reduced by 9-10 percent, and the imbibition rotting rate is reduced by 8-11 percent; in a sandbox experiment, the emergence rate is improved by 1-10 percent, and the mildew rate is reduced by 2-5 percent; in a field test, the emergence rate is improved by 8-11%, the main root length is increased by 4-9 cm, the root thickness is increased by 0.3-2 mm, the lateral root number is reduced by 1-2, and the bud number is increased by 1-2, so that the problems of withered and yellow astragalus seedling, damage to growing points and the like are solved, the emergence rate of astragalus is effectively improved, and the robust growth of astragalus root systems is promoted.
Drawings
FIG. 1 is a diagram of the astragalus seeds before and after coating according to example 2 of the present invention, wherein a is uncoated astragalus seeds and b is coated astragalus seeds;
FIG. 2 is a diagram of germination boxes for Astragalus membranaceus seeds before and after coating in example 2 of the present invention, wherein a is a diagram of an uncoated Astragalus membranaceus seed germination box, and b is a diagram of a coated Astragalus membranaceus seed germination box;
FIG. 3 is a sandbox of Astragalus membranaceus seeds before and after coating in example 2 of the present invention, wherein a is the sandbox of uncoated Astragalus membranaceus seeds and b is the sandbox of coated Astragalus membranaceus seeds;
FIG. 4 is a field experimental diagram of the Astragalus membranaceus seeds before and after coating in example 2 of the present invention, wherein a is an uncoated Astragalus membranaceus seed field experimental diagram, and b is a coated Astragalus membranaceus seed field experimental diagram.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention only and are not intended to limit the scope of the invention. The experimental procedures used in the following examples are conventional procedures unless otherwise specified, and the reagents and procedures used therein are conventional in the art unless otherwise specified.
The raw material components of the astragalus seed coating agent in the following embodiments are all expressed by mass percent of effective components.
Example 1
A method for coating astragalus seed coating comprises the following steps:
preparing the astragalus seed coating agent: is prepared by mixing 5.56 percent of thiabendazole, 0.72 percent of metalaxyl-M, 0.92 percent of fludioxonil, 6 percent of thiamethoxam, 2.5 percent of agricultural emulsion 700, 0.3 percent of xanthan gum, 0.2 percent of sodium carboxymethylcellulose and 5 percent of glycol with purified water;
coating: pouring 1mL of the prepared astragalus seed coating agent into a plastic bag filled with 160g of astragalus seeds, fully shaking and mixing uniformly, and drying in the air to finish the coating of the astragalus seeds.
Example 2
A method for coating astragalus seed coating comprises the following steps:
preparing the astragalus seed coating agent: is prepared by mixing 6.95 percent of thiabendazole, 0.9 percent of metalaxyl-M, 1.15 percent of fludioxonil, 6 percent of thiamethoxam, 2.5 percent of agricultural emulsion 700, 0.3 percent of xanthan gum, 0.2 percent of sodium carboxymethylcellulose and 5 percent of glycol with purified water;
coating: pouring 1mL of the prepared astragalus seed coating agent into a plastic bag filled with 160g of astragalus seeds, fully shaking to mix uniformly, and drying in the air to finish the coating of the astragalus seeds, wherein the front and the back of the astragalus seed coating in the embodiment are shown in figure 1.
Example 3
A method for coating astragalus seed coating comprises the following steps:
preparing the astragalus seed coating agent: is prepared by mixing 8.34 percent of thiabendazole, 1.08 percent of metalaxyl-M, 1.38 percent of fludioxonil, 6 percent of thiamethoxam, 2.5 percent of agricultural emulsion 700, 0.3 percent of xanthan gum, 0.2 percent of sodium carboxymethylcellulose and 5 percent of glycol with purified water;
coating: pouring 1mL of the prepared astragalus seed coating agent into a plastic bag filled with 160g of astragalus seeds, fully shaking and mixing uniformly, and drying in the air to finish the coating of the astragalus seeds.
Example 4
The present embodiment is different from embodiment 2 in that the mixed seed ratio of the astragalus seed coating agent to the astragalus seeds is 1 mL: 110 g.
Example 5
The present embodiment is different from embodiment 2 in that the mixed seed ratio of the astragalus seed coating agent to the astragalus seeds is 1 mL: 133 g.
Example 6
The present embodiment is different from embodiment 2 in that the mixed seed ratio of the astragalus seed coating agent to the astragalus seeds is 1 mL: 165 g.
Verification example
1) Germination Box experiment
Randomly placing 50 coated astragalus seeds on a paper bed of a germination box, alternately performing 12-hour illumination and 12-hour dark culture every day, keeping the temperature at 20 ℃, regularly spraying a proper amount of water every day to keep the germination paper moist, starting to count the germination rate (the length of radicle exceeds the length of the seeds) on the third day of the experiment, when two leaves grow out, determining that the germination is finished, and recording the germination rate, the mildew rate and the imbibition rotting rate;
wherein the coated astragalus seeds are obtained by adopting the coating method of any one of embodiments 1 to 6; uncoated astragalus seeds were used as control; five replicates of each set of experiments above were performed; the results are shown in Table 1, wherein each example refers to the coated Astragalus membranaceus seeds obtained by the coating method of the corresponding numbered example; FIG. 2 is a diagram of germination boxes for Astragalus membranaceus seeds before and after coating in example 2;
TABLE 1 germination rate, mold growth rate and imbibition and decay rate before and after coating of Astragalus membranaceus seeds
The results in table 1 show that the astragalus seeds are coated by the astragalus seed coating agent and the coating method thereof, after the astragalus seeds are coated, the germination rate is improved by 8-21%, the mildew rate is reduced by 9-10%, and the imbibition rotting rate is reduced by 8-11%, namely the astragalus seed coating agent can obviously improve the germination rate of the astragalus seeds and reduce the mildew rate and the imbibition rotting rate of the astragalus seeds by matching with the coating method with a proper drug seed ratio.
2) Sandbox experiment
Randomly placing 100 coated astragalus seeds in a sandbox, alternately carrying out 12-hour illumination and 12-hour dark culture every day, keeping the temperature at 20 ℃, regularly spraying a proper amount of water every day to keep the sandbox moist, beginning to emerge the seeds, counting the emergence rate, and recording and counting the emergence rate and the mildew rate when three leaves grow out, namely the emergence is finished;
wherein the coated astragalus seeds are obtained by adopting the coating method of any one of embodiments 1 to 6; uncoated astragalus seeds were used as control; five replicates of each set of experiments above were performed; the results are shown in Table 2, wherein each example refers to the coated Astragalus membranaceus seeds obtained by the coating method of the corresponding numbered example; FIG. 3 is a sandbox of Astragalus membranaceus seeds before and after coating in example 2;
TABLE 2 emergence rate and root length before and after coating of Astragalus seeds
The results in table 2 show that the astragalus seeds are coated by the astragalus seed coating agent and the coating method thereof, after the astragalus seeds are coated, the emergence rate of the astragalus seeds is improved by 1-10 percent, the mildew rate is reduced by 2-5 percent, and the emergence rate of the astragalus seeds can be obviously improved.
3) Field experiment
Randomly and uniformly mixing 200 coated astragalus seeds with sandy soil, uniformly sowing the mixture in a sample prescription (1m multiplied by 1m), covering sand for about 1-2 cm, watering a proper amount, regarding the seeds as seedling emergence when three leaves grow out, counting the rate of emergence, and measuring the main root length, the root thickness, the side root number and the bud head number after 60 days of seedling emergence; wherein the coated astragalus seeds are obtained by adopting the coating method of any one of embodiments 1 to 6; uncoated astragalus seeds were used as controls, and each set of experiments was repeated five times; the experimental results are shown in table 3 below; FIG. 4 is a field experimental diagram of the Astragalus membranaceus seeds before and after coating in example 2;
TABLE 3 field experiment test results of radix astragali seeds before and after coating
As can be seen from the results in Table 3, the astragalus seeds are coated by adopting the astragalus seed coating agent and the coating method thereof, after the astragalus seeds are coated, the emergence rate is improved by 8-11 percent, the main root length is increased by 4-9 cm, the root thickness is increased by 0.3-2 mm, the lateral root number is reduced by 1-2, the bud number is increased by 1-2, the problems of withered and yellow astragalus seedlings, damaged growing points and the like are solved, the emergence rate of the astragalus is effectively improved, and the robust growth of astragalus root systems is promoted.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (7)
1. The astragalus seed coating is characterized by comprising the following raw materials in percentage by mass: 5.56 to 8.34 percent of thiabendazole, 0.72 to 1.08 percent of metalaxyl-M, 0.92 to 1.38 percent of fludioxonil, 6 percent of thiamethoxam, 2.5 percent of agricultural emulsion 700, 0.3 percent of xanthan gum, 0.2 percent of sodium carboxymethylcellulose, 5 percent of glycol and the balance of water.
2. A coating method of an astragalus seed coating agent is characterized by comprising the following steps:
preparing the astragalus seed coating of claim 1;
mixing the seed coating agent with radix astragali seed, stirring, and air drying to obtain radix astragali seed coating.
3. The coating process according to claim 2, characterized in that: the medicine seed ratio of the astragalus seed coating to the astragalus seeds is 1 mL: 110-165 g.
4. The coating process according to claim 2, characterized in that: the astragalus seed coating agent is composed of the following raw materials in percentage by mass: 6.95% thiabendazole, 0.9% metalaxyl-M, 1.15% fludioxonil, 6% thiamethoxam, 2.5% Nongru 700, 0.3% xanthan gum, 0.2% sodium carboxymethylcellulose, 5% ethylene glycol, and the balance of purified water.
5. The coating method according to claim 4, wherein: the medicine seed ratio of the astragalus seed coating to the astragalus seeds is 1 mL: 160 g.
6. The use of the astragalus seed coating of claim 1 in raising seedlings of astragalus seeds.
7. The application of the coating method of any one of claims 2 to 5 in raising seedlings of astragalus membranaceus seeds.
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| CN112492921A (en) * | 2020-09-30 | 2021-03-16 | 辽宁省沙地治理与利用研究所(辽宁省花生研究所、辽宁省风沙地改良利用研究所、辽宁省固沙造林研究所) | Quercus mongolica seed coating structure and preparation method thereof |
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2021
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| CN101208011A (en) * | 2005-05-03 | 2008-06-25 | 先正达参股股份有限公司 | Pesticidal compositions comprising an azole, a phenylamide and a strobilurin and/or phenylpyrrole fungicide |
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| CN104839148A (en) * | 2015-06-01 | 2015-08-19 | 吉林农业大学 | Preparation and application method of licorice seed coating agent |
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| CN112492921A (en) * | 2020-09-30 | 2021-03-16 | 辽宁省沙地治理与利用研究所(辽宁省花生研究所、辽宁省风沙地改良利用研究所、辽宁省固沙造林研究所) | Quercus mongolica seed coating structure and preparation method thereof |
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Application publication date: 20210903 |