CN112624846A - Plateau seed coating agent and preparation method and application thereof - Google Patents
Plateau seed coating agent and preparation method and application thereof Download PDFInfo
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- CN112624846A CN112624846A CN202011563711.1A CN202011563711A CN112624846A CN 112624846 A CN112624846 A CN 112624846A CN 202011563711 A CN202011563711 A CN 202011563711A CN 112624846 A CN112624846 A CN 112624846A
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- 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
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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
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/02—Amines; Quaternary ammonium compounds
- A01N33/12—Quaternary ammonium compounds
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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
- A01N37/10—Aromatic or araliphatic carboxylic acids, or thio analogues thereof; Derivatives thereof
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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
- A01N43/02—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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- 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
- A01N43/02—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
- A01N43/14—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 six-membered rings
- A01N43/16—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 six-membered rings with oxygen as the ring hetero atom
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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
- A01N43/38—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 condensed with carbocyclic 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
- A01N43/80—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 1,2
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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
- A01N45/00—Biocides, pest repellants or attractants, or plant growth regulators, containing compounds having three or more carbocyclic rings condensed among themselves, at least one ring not being a six-membered ring
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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
- 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
- A01N47/08—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 the carbon atom having one or more single bonds to nitrogen atoms
- 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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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
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- 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
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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- 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
- C05G3/80—Soil conditioners
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Abstract
The invention discloses a plateau seed coating agent and a preparation method and application thereof, wherein the plateau seed coating agent comprises the following components in parts by weight: 27-35 parts of a medicament, 35-45 parts of a micro-fertilizer, 195-205 parts of a phosphorus-potassium compound fertilizer, 0.6-1.5 parts of a plant growth regulator, 2000-3000 parts of a water-retaining agent, 100-300 parts of a film-forming agent, 250-500 parts of an adhesive and 10000-15000 parts of a filler; wherein the medicament is a bactericide or an insecticide, and the plant growth regulator comprises gibberellin and ABT rooting powder. Through the matching of various components according to a scientific proportion, the coating agent can be suitable for the growth of the grass seeds in the plateau areas with severe climatic environment and lower annual temperature equalization, the emergence rate of the grass seeds in the plateau areas can be improved, and the growth of seedlings is promoted in the seedling stage, so that the robust growth of plants is ensured, the stress resistance of the plants is enhanced, and the seedling protection is facilitated.
Description
Technical Field
The invention relates to the technical field of seed coating, in particular to a plateau seed coating agent and a preparation method and application thereof.
Background
The seed coating is a seed treatment technology, which takes seeds as a carrier, a seed coating agent as a raw material and a coating machine as means, and integrates multiple effects of biology, chemistry, machinery and the like into a whole. Since the 80 s, the seed coating agent invented in China is successfully demonstrated and popularized in a large area, can prevent and treat plant diseases and insect pests and promote plant growth, and has the functions of remarkably increasing yield and income and the like.
At present, the seed coating technology in China is mainly applied to field crops such as grain economic crops of wheat, corn, cotton, soybean, rice and the like, the development of the grass seed coating technology is lagged, and most grass seeds have no question of body fluid except that the coating treatment of individual leguminous varieties such as alfalfa and some lawn seeds is researched to a certain degree. Particularly, at present, in the Qinghai-Tibet plateau area, the climate environment is severe, the annual average temperature is low, and higher requirements are provided for the coating of seeds, so that a coating agent suitable for the grass seeds in the plateau area is urgently needed.
In view of this, the invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a plateau seed coating agent and a preparation method and application thereof, so as to improve the technical problem.
The invention is realized by the following steps:
in a first aspect, the invention provides a plateau seed coating agent, which comprises the following components in parts by weight: 27-35 parts of a medicament, 35-45 parts of a micro-fertilizer, 195-205 parts of a phosphorus-potassium compound fertilizer, 0.6-1.5 parts of a plant growth regulator, 2000-3000 parts of a water-retaining agent, 200-300 parts of an antifreezing agent, 100-200 parts of a penetrating agent, 100-300 parts of a film-forming agent, 250-500 parts of an adhesive and 10000-15000 parts of a filler; wherein the medicament is a bactericide or an insecticide, and the plant growth regulator comprises gibberellin and ABT rooting powder.
In a second aspect, the present invention further provides a preparation method of the plateau seed coating agent, which comprises: mixing the components according to the proportion to obtain the plateau seed coating agent.
In a second aspect, the invention also provides an application of the plateau seed coating agent in coating leguminous plants or gramineous forage grass.
The technical scheme of the invention has the following beneficial effects: through the matching of various components according to a scientific proportion, the coating agent can be suitable for the growth of the grass seeds in the plateau areas with severe climatic environment and lower annual temperature equalization, the emergence rate of the grass seeds in the plateau areas can be improved, and the growth of seedlings is promoted in the seedling stage, so that the robust growth of plants is ensured, the stress resistance of the plants is enhanced, and the seedling protection is facilitated.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The plateau seed coating agent provided by the invention, and the preparation method and the application thereof are specifically explained below.
Some embodiments of the present invention provide a plateau seed coating agent, which comprises the following components by weight: 27-35 parts of a medicament, 35-45 parts of a micro-fertilizer, 195-205 parts of a phosphorus-potassium compound fertilizer, 0.6-1.5 parts of a plant growth regulator, 2000-3000 parts of a water-retaining agent, 200-300 parts of an antifreezing agent, 100-200 parts of a penetrating agent, 100-300 parts of a film-forming agent, 250-500 parts of an adhesive and 10000-15000 parts of a filler; wherein the medicament is a bactericide or an insecticide, and the plant growth regulator comprises gibberellin and ABT rooting powder.
The inventors have found that the Qinghai-Tibet plateau requires reseeding of deteriorated grassland with the influence of grazing on the grassland. However, for the reseeding of the native grass seeds of the Qinghai-Tibet plateau, the reseeding of the naked seeds is often poor in effect. Because of the damage of underground pests, rats, rabbits and zokors to the reseeding grassland. The effect of replanting naked seeds is not good enough, and the roots of the plants are usually eaten by birds or zokors. In addition, due to the severe environmental conditions, the growth vigor of the new seedlings is weak, and the dominant species on the grassland are difficult to form. Thus not contributing to turf establishment. Based on this, the seed coating agent is designed by fully considering special climatic conditions and conditions on plateau, and the technical scheme is provided.
The annual accumulated temperature of the Qinghai-Tibet plateau is low, and the seed plants need sufficient water to ensure the germination of the plant seeds when sprouting in the previous period, so the water-retaining agent and the antifreezing agent with proper proportion are added into the coating agent to ensure that the seeds can normally absorb water at a certain range of temperature for the germination of the seeds. Furthermore, in consideration of severe natural conditions in plateau, if seeds sowed on deteriorated grassland can not germinate rapidly, the seeds can be picked up by rats and birds. Therefore, the germination rate becomes a key factor influencing the reseeding efficiency, and gibberellin with certain quality is added to break seed dormancy so that seeds germinate in advance, the seed loss is reduced, and the seeding efficiency is improved. Considering that the plants need to face relatively severe growth conditions when being sowed in the field, the micro-fertilizer and the phosphorus-potassium compound fertilizer are added into the coating agent, so that the growth of seedlings can be promoted, the stress resistance of the seedlings can be improved, and the seedling emergence in the field can be ensured. The specific dosage and proportion are shown in the detailed formula of the seed coating agent. In consideration of underground insect pests in plant sowing environments and diseases on the surfaces of seeds, bactericides or insecticides are added to seed coating agents. In consideration of the absorption efficiency of the plant seedling period to water and nutrient components, a proper penetrant is added into the seed coating agent to change the penetration efficiency of the seed coat of the plant seed. The germination speed of the plant seeds is enhanced, and the absorption of external nutrient substances after germination is accelerated. The growth of the plant roots is particularly important for the growth of the plants in view of the fact that during the growth of the plant in the seedling stage, especially in the (poor) environment, the plants are rooted and then germinate. Therefore, ABT rooting powder with proper content is added to promote the growth of plant roots in the seedling stage. Furthermore, in consideration of the coating characteristics of the plateau seeds, proper film forming agents, adhesives and the like are added.
Therefore, through the mutual matching of the components, the coating agent can be suitable for the growth of the grass seeds in the plateau areas with severe climatic environment and lower annual temperature equalization, the emergence rate of the grass seeds in the plateau areas can be improved, and the growth of seedlings is promoted in the seedling stage, so that the robust growth of plants is ensured, the stress resistance of the plants is enhanced, and the seedling protection is facilitated.
In some embodiments, in order to warn some pests and further improve the survival rate of seeds, a warning color can be further added into the coating agent, in some embodiments, the warning color is added in an amount of 9-11 parts by weight of the agent, and the warning color is preferably gentian violet.
In some embodiments, the mass ratio of gibberellin to ABT rooting powder is: 45-55: 10 to 50. For example, the mass ratio of gibberellin to ABT rooting powder is 45: 10, or 45: 20, or 45: 20, or 45: 30, or 50: 20, or 55: 20, or 55: 40, or 50: 30, etc.
In some embodiments, the insecticide is imidacloprid and the bactericide is carbendazim. Of course, in other embodiments, the pesticide may be selected from other species according to actual needs.
In order to achieve better mixing of the various components and better coating, the dosage form of the medicament can be selected as powder.
The binder is used for coating and fixing the coating material, thereby ensuring certain strength and stability of the coating. In some embodiments, the binder comprises a styrene acrylic emulsion and sodium carboxymethylcellulose. The styrene-acrylic emulsion belongs to non-crosslinked emulsion, has good adhesive force, transparent adhesive film, and good water resistance, oil resistance, heat resistance and aging resistance. The preservation of the coated seeds is facilitated, and the seed coating is prevented from falling off. The sodium carboxymethyl cellulose is one of the thickening agents, has a certain thickening and emulsifying effect, and is favorable for enhancing the cleaning performance of the coating agent by matching with the styrene-acrylic emulsion so as to achieve a better coating effect.
Further, in some embodiments, in order to achieve a better matching effect, the dosage ratio of the styrene-acrylic emulsion to the sodium carboxymethyl cellulose is 250 to 300mL of the styrene-acrylic emulsion per 30 to 50g of the sodium carboxymethyl cellulose.
In some embodiments, the water-retaining agent is a water-absorbent resin, and in the case of a low annual average temperature in a plateau environment, the water demand is greater in the early germination of the seeds than in low-altitude areas, and therefore, a large amount of the water-retaining agent is added to the coating agent, and the water-absorbent resin as the water-retaining agent is a super-absorbent resin, and specifically, the water-absorbent resin may be an acrylic resin.
In some embodiments, the phosphorus potassium compound fertilizer may be potassium dihydrogen phosphate.
Further, in some embodiments, the film-forming agent may be chitosan;
in some embodiments, the filler comprises at least one of bentonite and talc. In general, the filler of the Gramineae family is pulvis Talci, and the filler of the Leguminosae family is bentonite.
In some embodiments, the osmotic agent is a water-soluble thiaketone; in some embodiments, the anti-freeze agent is glycerol.
Some embodiments of the present invention further provide a method for preparing the plateau seed coating agent, which comprises: the components are mixed according to the proportion to obtain the plateau seed coating agent. In the preparation of the coating agent, an appropriate amount of water is added as a solvent depending on the drug concentration.
It should be noted that, in the preparation method, it can be accomplished by using a coating machine commonly used in the market and a basic process flow.
Some embodiments of the invention also provide application of the plateau seed coating agent in coating leguminous forage grass or gramineous forage grass.
In some embodiments, the mass ratio of the seed to the agent in the composition is 1000: 27 to 35. Specifically, the coating is a pellet.
It should be noted that, for coating, cleaning is needed, otherwise coating efficiency and effect are greatly affected, and generally, the cleaning degree of seeds should reach more than 90%.
In some embodiments, the legume and gramineous grasses are both grasses from the Tibet plateau.
The formula of the coating agent is suitable for local grass seeds of the Tibet plateau, is also suitable for a series of local grass seeds such as most gramineous grass besides leguminous grass, and determines the formula of the pill-shaped coating comprehensive seed coating agent suitable for leguminous and gramineous varieties in the Tibet plateau.
The features and properties of the present invention are described in further detail below with reference to examples.
The coatings of the following examples were all applied using a coating machine.
Example 1
This example provides a coating agent, which comprises the following ingredients in parts by weight per kilogram of seeds: 4g of microelement fertilizer, 20g of monopotassium phosphate, 80mg of gibberellin, 10-50 mg of ABT rooting powder, 3g of carbendazim, 250g of acrylic resin, 25mL of glycerol, 150g of thiaketone, 20g of chitosan, 280mL of styrene-acrylic emulsion, 40g of sodium carboxymethylcellulose, 1g of gentian violet and 1.2kg of bentonite.
Before coating seeds, coating materials (micro-fertilizer, monopotassium phosphate, gibberellin, ABT rooting powder, carbendazim, chitosan, thiaketone and gentian violet) except the pelleting agent are prepared into solution by water. After the seed coating machine is started, the seeds are firstly guided into the machine to blow out impurities in the seeds by the types of instruments, and meanwhile, the seeds which are in rotary collision can break the hardness of the seeds to a certain extent. The prepared solution was then pumped at a flow rate of 100 ml/min. Meanwhile, a pelleting agent is added from a feeding port above the machine or manually, so that the coating material can be uniformly coated on the surface of the seeds. After the coating material is added, the coating material is rotated for 1min to make the coating material more tightly coated. Then drying the coated seeds at 30 ℃. The seeds are subjected to pelleting coating by the coating agent through a coating machine. The seed of this embodiment selection is common vetch and the shawl weed of tassel.
Example 2
This example provides a coating agent, which comprises the following ingredients in parts by weight per kilogram of seeds: 3.5g of micro-fertilizer, 20g of monopotassium phosphate, 50mg of gibberellin, 10mg of ABT rooting powder, 2.7g of imidacloprid, 200g of acrylic resin, 20mL of glycerol, 100g of thiazone, 10g of chitosan, 250mL of styrene-acrylic emulsion, 30g of sodium carboxymethyl cellulose, 1g of gentian violet and 1kg of bentonite.
The seeds were pellet coated with the coating agent by means of a coating machine in the manner described in example 1. The seed of this embodiment selection is common vetch.
Example 3
This example provides a coating agent, which comprises the following ingredients in parts by weight per kilogram of seeds: 4.5g of micro-fertilizer, 20g of monopotassium phosphate, 100mg of gibberellin, 50mg of ABT rooting powder, 3.5g of imidacloprid, 300g of acrylic resin, 30mL of glycerol, 200 of thiaketone, 30g of chitosan, 300mL of styrene-acrylic emulsion, 50g of sodium carboxymethyl cellulose, 1g of gentian violet and 1.5kg of bentonite.
The seeds were pellet coated with the coating agent by means of a coating machine in the manner described in example 1. The seeds selected in this example were elymus nutans.
Comparative example 1
Common vetch and Elymus nutans bare seeds.
Comparative example 2
This comparative example differs from example 1 only in that the coating agents used were: the following components are used per kilogram of seeds: 250g of acrylic resin, 20g of chitosan, 280mL of styrene-acrylic emulsion, 40g of sodium carboxymethyl cellulose, 25mL of glycerol, 150g of thiazone, 1g of gentian violet and 1.2kg of bentonite.
Comparative example 3
This comparative example differs from example 1 only in that the coating agents used were: the following components are used per kilogram of seeds: 4g of microelement fertilizer, 20g of monopotassium phosphate, 250g of acrylic resin, 25mL of glycerol, 150g of thiazone, 20g of chitosan, 280mL of styrene-acrylic emulsion, 40g of sodium carboxymethylcellulose, 1g of gentian violet and 1.2kg of bentonite.
Comparative example 4
This comparative example differs from example 1 only in that the coating agents used were: the following components are used per kilogram of seeds: 4g of microelement fertilizer, 20g of monopotassium phosphate, 3g of carbendazim, 250g of acrylic acid resin, 25mL of glycerol, 150g of thiaketone, 20g of chitosan, 280mL of styrene-acrylic emulsion, 40g of sodium carboxymethyl cellulose, 1g of gentian violet and 1.2kg of bentonite.
Comparative example 5
This comparative example differs from example 1 only in that the coating agents used were: the following components are used per kilogram of seeds: 3g of carbendazim, 280g of acrylic resin, 20g of chitosan, 25mL of glycerol, 150g of thiazone, 280mL of styrene-acrylic emulsion, 40g of sodium carboxymethyl cellulose, 1g of gentian violet and 1.2kg of bentonite.
Test example 1
The influence of gibberellin and ABT rooting powder with different concentrations on the seed germination rate is tested by the following specific operations: firstly, a certain mass of medicine is weighed by using a balance, and then distilled water is used for preparing a solution with a preset concentration. And then adding the prepared solution into a culture dish which is previously padded with 2 layers of filter paper, and then putting the culture dish into an incubator which is 16 hours in light and 8 hours in darkness and has the highest temperature of 15 ℃ and the lowest temperature of 10 ℃. And counting the germination quantity and calculating the germination potential 7 days after sowing, and counting the total germination quantity and calculating the germination rate 15 days after sowing. The test results are shown in tables 1 and 2.
TABLE 1 influence of gibberellins of different concentrations on the germination rate and germination vigor of seeds at 10-15 deg.C
Table 2 influence of ABT of different concentrations on seed germination rate and germination vigor at 10-15 deg.C
The germination vigor was calculated 10 days after sowing, and the germination rate was calculated 20 days after sowing.
The germination percentage statistics of the seeds treated in comparative examples 1 to 5 and example 1 are shown in table 3.
TABLE 3 statistics of germination percentage for coated seed incubators
In the above germination rate test, in order to keep the growth environment as consistent as possible, the soil brought back from the north of the Qinghai sea is used as the culture medium, the same amount of soil is weighed in each flowerpot, each treatment is repeated for 3 times, each treatment is repeated for 150 seeds, the germination number is counted on the 10 th day, and the germination rate is calculated.
Test example 2
The seeds obtained by the treatment in comparative examples 1-5 and example 1 were planted on grazing grasslands of plateau biological research institute of autonomous county of Menyuan Hui nationality of autonomous State of North autonomous prefecture of North China, Qinghai province, 3 treated plots (repeated) were processed each time, the area of each plot was 1.5 × 2m, and common vetch and elymus nutans were sowed in equal rows. For the measurement of convenient follow-up data, 125 grains are planted in each district of common vetch, and 1000 grains are planted in each district of shawl weed. The rate of emergence and the rate of seedling formation were counted 15 days and 30 days after sowing, respectively. The results are shown in tables 4 and 5.
TABLE 4 statistics of field emergence rate (15 days after sowing)
TABLE 5 statistics of field emergence rate (30 days after sowing)
The common vetch stem thickness is counted 60 days after sowing, and the plant height of the common vetch is counted 20 days after sowing and 60 days after sowing. The results are shown in tables 6 and 7.
TABLE 6 Stem thickness statistics of mature seedlings (60 days after sowing) of Leguminosae (common vetch)
Note that 50 plants of common vetch were picked for each cell and the stem thickness of the common vetch was measured.
TABLE 7 statistics of the heights of seedlings (20 days after sowing) and seedlings (60 days after sowing) of Leguminosae (common vetch)
The method is characterized in that 50 common vetch plants are randomly selected in each cell to measure plant height, a 20cm ruler is used for measuring in a seedling period, and a measuring tape is used for measuring in a seedling period.
The dry and fresh weights of the plants of the leguminosae (common vetch) and the gramineae (Elymus nutans) were counted after sowing for 60 days, and the results are shown in Table 8.
TABLE 8 calculation of dry and fresh weight of seedlings of common vetch and Elymus nutans (60 days after sowing)
The common vetch and the elymus nutans are selected from 10 plants at random, each cell is repeated for 3 times, the total number of the repetitions is 9, the fresh weight of each cell is measured by a balance, and the dry weight of each cell is measured after drying.
In conclusion, the compound coating agent used in the embodiment of the invention not only obviously improves the emergence rate of plants, but also improves the stem thickness, the plant height and the biomass of the plants to different degrees. Therefore, the method can improve the emergence rate of the grass seeds in plateau areas, and promote the growth of seedlings in the seedling stage, thereby ensuring the robust growth of plants, enhancing the stress resistance of the plants and being beneficial to seedling protection.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A plateau seed coating agent is characterized by comprising the following components in parts by weight: 27-35 parts of a medicament, 35-45 parts of a micro-fertilizer, 195-205 parts of a phosphorus-potassium compound fertilizer, 0.6-1.5 parts of a plant growth regulator, 2000-3000 parts of a water-retaining agent, 200-300 parts of an antifreezing agent, 100-200 parts of a penetrating agent, 100-300 parts of a film-forming agent, 250-500 parts of an adhesive and 10000-15000 parts of a filler; wherein the medicament is a bactericide or an insecticide, and the plant growth regulator comprises gibberellin and ABT rooting powder.
2. The plateau seed coating agent as recited in claim 1, further comprising 9-11 parts of a warning color according to the weight part standard of the agent, preferably, the warning color is gentian violet.
3. The plateau seed coating agent of claim 1, wherein the mass ratio of gibberellin to ABT rooting powder is: 45-55: 10 to 50.
4. The plateau seed coating agent of claim 1, wherein the insecticide is imidacloprid and the bactericide is carbendazim; preferably, the dosage form of the medicament is a powder.
5. The plateau seed coating agent as claimed in claim 1, wherein the binder includes styrene-acrylic emulsion and sodium carboxymethyl cellulose, and preferably, the ratio of the amount of styrene-acrylic emulsion to the amount of sodium carboxymethyl cellulose is 250-300 mL for every 30-50 g of sodium carboxymethyl cellulose.
6. The plateau seed coating agent as claimed in any one of claims 1-5, wherein the water retention agent is a water-absorbent resin, preferably the water-absorbent resin is an acrylic resin.
7. The plateau seed coating agent of any one of claims 1-5, wherein the phosphorus-potassium compound fertilizer is potassium dihydrogen phosphate;
preferably, the film-forming agent is chitosan;
preferably, the filler comprises at least one of bentonite and talc;
preferably, the osmotic agent is a water-soluble thiaketone;
preferably, the anti-freeze agent is glycerol.
8. The method for preparing plateau seed coating agent as claimed in any one of claims 1 to 7, which includes: mixing the components according to the proportion to obtain the plateau seed coating agent.
9. The use of the plateau seed coating agent as defined in any one of claims 1 to 7 for coating leguminous plants or gramineous forage grasses.
10. The use according to claim 9, wherein the mass ratio of the seed to the pharmaceutical agent in the composition is 1000: 27-35;
preferably, the coating is pelletized;
preferably, the legume and the grass are both grasses of the Tibet plateau.
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| CN114176081A (en) * | 2021-12-24 | 2022-03-15 | 兰州大学 | Seed coating agent, coated seed and preparation method and application thereof |
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