CN114246178B - Agricultural barrel-mixed auxiliary agent containing lecithin and preparation and use methods thereof - Google Patents
Agricultural barrel-mixed auxiliary agent containing lecithin and preparation and use methods thereof Download PDFInfo
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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
- A01N25/30—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 characterised by the surfactants
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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
- A01N25/02—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 containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
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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
- A01N25/22—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 containing ingredients stabilising the active ingredients
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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
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
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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
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
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Abstract
The invention relates to an agricultural tank-mixed additive containing lecithin and a preparation method and a use method thereof, belonging to the technical field of preparation of agricultural additives. The agricultural barrel mixing auxiliary agent containing lecithin comprises the following components in parts by weight: 10-99.9 parts of lecithin; 10-50 parts of grease; 5-35 parts of an emulsifying wetting agent; 5-30 parts of a solvent; the mass ratio of the lecithin to the grease is 1-6.5. The invention adopts lecithin, vegetable oil and mineral oil as main raw materials, and the prepared auxiliary agent can reduce the fog drop drift, increase the deposition amount of the liquid medicine and promote the absorption and conduction of the liquid medicine in crops.
Description
Technical Field
The invention relates to the technical field of preparation of agricultural additives, and particularly provides an agricultural tank-mixed additive containing lecithin and preparation and use methods thereof.
Background
The excessive use of the pesticide and the chemical fertilizer in China brings many problems of food safety risk, agricultural product quality safety, farmland ecological environment safety, malignant growth of drug resistance of diseases, insect pests and weeds, and the like. The state puts forward a policy of 'double reduction of pesticide and fertilizer', so the utilization effect of the pesticide and fertilizer is required to be improved by improving the use technology, the use amount is reduced on the basis of ensuring the control effect of diseases, pests and weeds, the healthy growth of crops is regulated and controlled by using the minimum amount of pesticide and fertilizer, the safety of agricultural products is improved, and the ecological environment is improved.
From the perspective of using mode, the addition of the tank-mixing auxiliary agent can improve the wetting and spreading performance of the liquid medicine and promote the absorption and conduction of the liquid medicine in crops, and is an effective means for finally achieving the purposes of reducing weight and increasing efficiency. The prior commonly used barrel mixing auxiliary agents are organic silicon, vegetable oil, mineral oil and surfactant, but the auxiliary agents act on the movement process of fog drops from a spray head to the body surface and the body surface of crops, for example, volatilization and drift of the fog drops in the falling process are reduced, the wetting and spreading performance of liquid medicine on the surfaces of the crops are increased, and the liquid medicine cannot be embedded with medicines and can not penetrate through the surface of organisms.
Lecithin is a main component constituting a biological membrane, and has excellent biocompatibility and safety. The lecithin is self-assembled to form liposome, and the medicine embedded by the liposome can be quickly transferred and distributed in a living body, slowly released and prolonged in effective medicine duration, so that the aim of enhancing the medicine effect is fulfilled.
In the prior art, CN110037014A is compounded by lecithin and D-limonene and used as an agricultural synergist; CN112640894A discloses lecithin, a surfactant, an oil auxiliary agent, a polymer auxiliary agent, an agricultural synergistic auxiliary agent for generating polymer compounds, inorganic salts, waxes and organic solvents, but the components are complex.
The vegetable oil and the mineral oil have excellent evaporation resistance, drift resistance and adhesion; through retrieval, no synergist compounded by lecithin, vegetable oil and mineral oil is reported.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an agricultural tank-mixing auxiliary agent containing lecithin and a preparation and use method thereof.
In order to solve the technical problems, the invention provides the following technical scheme:
on one hand, the invention provides an agricultural tank-mix additive containing lecithin, which consists of the following components in parts by weight:
the mass ratio of the lecithin to the grease is 1-6.5.
Preferably, the agricultural tank mix additive containing lecithin comprises the following components in parts by weight:
preferably, the lecithin is soybean lecithin.
Further, the grease is fatty acid ester and/or refined mineral oil;
the fatty acid ester is fatty acid methyl ester or fatty acid ethyl ester formed by esterification of one or more of peanut oil, corn oil, soybean oil and palm oil;
the refined mineral oil should have a relative n-paraffin carbon number difference of no more than 8, an average relative n-paraffin carbon number of 21-24, and a non-sulfonated content of no less than 92%. Preferably, the grease is fatty acid methyl ester and refined mineral oil in a mass ratio of 3:2.
Further, the emulsifying wetting agent is a compound of a nonionic surfactant and an anionic surfactant; the mass ratio of the nonionic surfactant to the anionic surfactant is 2-6:1;
the nonionic surfactant is one or more of fatty alcohol-polyoxyethylene ether, isomeric alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, and block polyoxyethylene-polyoxypropylene ether;
the anionic surfactant is one or more of diisooctyl succinate sodium sulfonate, ethoxylated fatty acid methyl ester sulfonate, alcohol ether phosphate, styryl phenol polyoxyethylene ether phosphate and alkylphenol polyoxyethylene ether phosphate.
Preferably, the solvent is one or more of ethanol, ethylene glycol, isopropanol and dimethyl sulfoxide.
On the other hand, the invention also provides a preparation method of the agricultural tank-mixing auxiliary agent containing lecithin, which comprises the following steps:
step 1: the grease, the solvent and the lecithin are fully and uniformly mixed in sequence to form a flowable liquid;
step 2: under the condition of stirring, adding the emulsifying wetting agent and mixing for 30min, and keeping the stirring speed at 60 r/min in the whole process.
In another aspect, the invention also provides a use method of the agricultural barrel-mixed auxiliary agent containing lecithin, wherein the barrel-mixed auxiliary agent is added into a spraying barrel in a barrel-mixed mode before spraying, and is completely sprayed within 24 hours.
In yet another aspect, the present invention also provides a synergistic pesticidal composition comprising: the agricultural tank-mixing adjuvant comprises a pesticide and the agricultural tank-mixing adjuvant containing lecithin, wherein the mass percentage of the adjuvant in the synergistic pesticide composition is 0.2-2.0%. The pesticide is one or more of glyphosate and salt thereof, topramezone, mesotrione, nicosulfuron, thidiazuron, diuron, ethephon, pyraclostrobin, azoxystrobin, imidacloprid and pymetrozine.
Compared with the prior art, the invention has the following beneficial effects:
the synergistic auxiliary agent capable of reducing fog drop drift, increasing liquid medicine deposition amount and promoting liquid medicine absorption and conduction in crops is successfully prepared through synergistic action of lecithin and grease. According to the invention, through the combined action of the lecithin and the grease in a specific ratio and the specific nonionic surfactant and the anionic surfactant, on one hand, the liquid drop can have better evaporation resistance, drift resistance and adhesion through the grease, and on the other hand, the liquid medicine adhered to the surfaces of the crop excrement can be transferred into the liquid drop through the lecithin, so that effective killing is carried out, and an obvious synergistic effect is achieved.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description is given with reference to specific embodiments.
The reagents and materials used in the examples and comparative examples were commercially available unless otherwise specified.
The invention provides an agricultural tank-mixing auxiliary agent containing lecithin and a preparation method and a use method thereof, and specific examples are as follows.
Example 1
An agricultural tank-mix additive containing lecithin comprises the following components in parts by weight: 65 parts of soybean lecithin, 10 parts of methyl esterified soybean oil, 15 parts of isomeric tridecanol polyoxyethylene ether, 5 parts of sodium diisooctyl succinate sulfonate and 5 parts of ethylene glycol.
The preparation method of the agricultural tank-mixing auxiliary agent containing lecithin comprises the following steps:
step 1: the grease, the solvent and the lecithin are fully and uniformly mixed in sequence to form a flowable liquid;
step 2: under the condition of stirring, adding the emulsifying wetting agent and mixing for 30min, and keeping the stirring speed at 60 r/min in the whole process.
Example 2
An agricultural tank-mixing auxiliary agent containing lecithin comprises the following components in parts by weight: 50 parts of soybean lecithin, 10 parts of ethylated peanut oil, 30 parts of block polyoxyethylene-polyoxypropylene ether, 5 parts of sodium ethoxylated fatty acid methyl ester sulfonate and 5 parts of ethanol.
The preparation method is the same as example 1.
Example 3
An agricultural tank-mixing auxiliary agent containing lecithin comprises the following components in parts by weight: 10 parts of soybean lecithin, 10 parts of refined mineral oil, 92.5 parts of fatty alcohol-polyoxyethylene ether AEO-105 parts of alkylphenol polyoxyethylene ether OP-105 parts of dodecyl alcohol ether phosphate potassium, 0.5 part of diisooctyl succinate sodium sulfonate and 15 parts of dimethyl sulfoxide.
The preparation method is the same as example 1.
Example 4
An agricultural tank-mixing auxiliary agent containing lecithin comprises the following components in parts by weight: 99.9 parts of soybean lecithin, 20 parts of methyl esterified peanut oil, 10 parts of refined mineral oil, 15 parts of isomeric tridecanol polyoxyethylene ether, 5 parts of block polyoxyethylene-polyoxypropylene ether, 5 parts of tristyrylphenol polyoxyethylene ether phosphate and 10 parts of isopropanol.
The preparation method is the same as example 1.
Example 5
An agricultural tank-mixing auxiliary agent containing lecithin comprises the following components in parts by weight: 80 parts of soybean lecithin, 24 parts of methyl esterified palm oil, 16 parts of refined mineral oil, 15 parts of isomeric tridecanol polyoxyethylene ether, 2 parts of triphenylvinyl phenol polyoxyethylene ether phosphate, 3 parts of diisooctyl succinate sodium sulfonate and 15 parts of ethanol.
The preparation method is the same as example 1.
Example 6
An agricultural tank-mixing auxiliary agent containing lecithin comprises the following components in parts by weight: 70 parts of soybean lecithin, 21 parts of methyl esterified soybean oil, 14 parts of refined mineral oil, 20 parts of isomeric tridecanol polyoxyethylene ether, 4 parts of diisooctyl succinate sodium sulfonate and 10 parts of glycerol.
The preparation method is the same as example 1.
Example 7
An agricultural tank-mix additive containing lecithin comprises the following components in parts by weight: 50 parts of soybean lecithin, 10 parts of ethylated soybean oil, 5 parts of ethylated peanut oil, 10 parts of refined mineral oil, 3 parts of fatty alcohol-polyoxyethylene ether AEO-912, 3 parts of diisooctyl succinate sodium sulfonate and 5 parts of ethylene glycol.
The preparation method is the same as example 1.
To further highlight the beneficial effects of the present invention, the following comparative example was constructed as an example of example 5 for reasons of space limitation.
Comparative example 1
In this comparative example, soybean lecithin was omitted and the other conditions were the same as in example 5.
Comparative example 2
The methyl esterified palm oil and refined mineral oil were omitted from this comparative example, and the other conditions were the same as in example 5.
Comparative example 3
In this comparative example, 16 parts by weight of methyl-esterified palm oil and 24 parts by weight of refined mineral oil were used, and the other conditions were the same as in example 5.
Comparative example 4
In this comparative example, the nonionic surfactant was replaced with the same amount of dioctyl sodium sulfosuccinate, and the other conditions were the same as in example 5.
Comparative example 5
In this comparative example, the anionic surfactant was replaced with the same amount of fatty alcohol-polyoxyethylene ether, and the remaining conditions were the same as in example 5.
Comparative example 6
An agricultural tank-mix additive containing lecithin comprises the following components in parts by weight: 80 parts of soybean lecithin, 24 parts of methyl esterified palm oil, 16 parts of refined mineral oil, 10 parts of isomeric tridecanol polyoxyethylene ether, 5 parts of triphenylvinyl phenol polyoxyethylene ether phosphate, 5 parts of diisooctyl succinate sodium sulfonate and 15 parts of ethanol.
The tank mix adjuvant prepared in the above examples 1-2 was diluted 500-1000 times with deionized water, and the dynamic surface tension of the aqueous solution was measured directly with a dynamic surface tension meter without adding a pesticide, and the results are shown in tables 1-4.
Table 1 example 1 adjuvant dilution 500-fold
Table 2 example 1 adjuvant dilution 1000 fold
Table 3 example 2 adjuvant dilution 500 fold
Table 4 example 2 adjuvant dilution 1000 fold
As can be seen from tables 1 to 4, the tank mix adjuvant prepared according to the present invention can largely reduce the surface tension in an extremely short time.
Using the tank mix adjuvant prepared in examples 1 to 7 and comparative examples 1 to 6, water (without adjuvant), commercially available vegetable oil and commercially available silicone as adjuvants, they were diluted 500 times, respectively, and their surface tensions and volume median particle diameters were measured, and the results are shown in Table 5.
In the art, the droplets larger than 400 microns are coarse droplets, the droplets between 200 and 400 microns are medium droplets, and the droplets between 100 and 200 microns are fine droplets. The large fog drops are unevenly covered on the surface of the target, the small fog drops are easy to lose in the falling process, and the medium fog drops are most adopted in the prevention and control of agricultural diseases, insect pests and weeds. The auxiliary agent can control the particle size of fog drops in a medium range, and is suitable for agricultural production.
TABLE 5
As can be seen from Table 5, the surface tension of water can be significantly reduced by the aid, and the median particle size is in a medium droplet range, so that on one hand, droplet drifting can be effectively prevented, and on the other hand, the problem that the droplets are too large and stay on the surface of a plant for a short time can be prevented.
And (3) measuring the deposition amount of the chemical solution: due to space limitation, the invention only takes the azoxystrobin as an example, and the maximum stable holding amount index of the azoxystrobin on the wheat leaves is measured.
Immersion viscosity assay: cutting off wheat leaves, putting the wheat leaves with the back face upward into a Canon 3000 scanner, leaving gaps among the leaves, setting the output resolution of scanning to be 150dpi, the width to be 21cm and the height to be 29.7cm, and scanning. Opening the scanned picture by using photoshop CS5, selecting the blade by using a magnetic lasso tool, checking the pixel number in a histogram, marking as D, and then obtaining the area S = 2D/(150/2.54) 2 cm 2 . The blade is weighed by a ten-thousandth balance and is marked as W 0 Clamping the blade by using tweezers, vertically putting the blade into a prepared sample aqueous solution, soaking for 5s, quickly pulling the blade out of the water surface, vertically suspending for 15s, weighing when no liquid drop flows, and recording as W 1 And then the maximum blade retention Rm =1000 (W) 1 -W 0 ) (ii) S in mg/cm 2 . The test sample was 200mg/L of 25% azoxystrobin suspension diluent, 1.0% of the tank mix adjuvant prepared in the above examples and comparative examples was added to the diluent to prepare a series of solutions, and the test results are shown in table 6.
TABLE 6
As can be seen from table 6, the tank mix adjuvant prepared according to the present invention can effectively increase the deposition amount of the chemical solution when added to the pesticide. The prepared auxiliary agent has remarkably reduced liquid medicine deposition amount no matter soybean lecithin (comparative example 1) or grease (comparative example 2) is omitted, or the ratio of fatty acid ester and refined mineral oil in the grease is adjusted (comparative example 3), because the lecithin and the grease with specific proportions have good adhesion on the surface of plants, and the liquid medicine deposition amount can be remarkably improved. Meanwhile, after the nonionic surfactant (comparative example 4) or the anionic surfactant (comparative example 5) in the surfactant is omitted or the proportional relation of the nonionic surfactant and the anionic surfactant is adjusted (comparative example 6), the prepared auxiliary agent has a remarkably reduced pesticide deposition amount, because the specific type and proportion of the surfactant can improve the dispersion performance of lecithin and grease, reduce the surface tension with the surface of a plant and improve the adhesion performance.
And (3) field efficacy test: application of lecithin-containing auxiliary agent in cotton defoliant to evaluate field test sites: the Hai lake district of Beijing;
test agents: 54% thidiazuron diuron suspension concentrate and 40% ethylene Li Shuiji;
test subject conditions: the cotton plants are about 1.2m high and are relatively regular, the planting density is 4000 plants/mu, and the boll opening rate of cotton bolls is about 30%;
the application method comprises the following steps: spraying with a manual sprayer, wherein the water consumption per mu is 30L; the auxiliary agents prepared in the above examples 1 to 7 and comparative examples 1 to 6 were added to the spray tank in a tank-mix manner before spraying, and were mixed with the pesticide uniformly, the mass percentage of the auxiliary agent in the mixture was 0.8%, and the spraying was completed within 24 hours.
20-30 cotton plants were treated each and 5 plants were randomly selected for investigation. The specific amounts of the ingredients are shown in Table 7.
TABLE 7
The pesticide components were formulated according to table 7 and then cotton was treated, wherein the results for cotton defoliation rate are shown in table 8 and cotton boll opening rate are shown in table 9.
TABLE 8
TABLE 9 survey of boll opening rate of cotton bolls
As can be seen from tables 8-9, in the cotton defoliation test, after the lecithin-containing auxiliary is added, the defoliation rate and the bolling rate of the cotton are both obviously improved compared with the blank control without the addition of the auxiliary; meanwhile, compared with the vegetable oil type auxiliary agent, the defoliation rate and the boll opening rate are also improved after 3 days, 7 days and 14 days after the application. After the addition of the auxiliary agent in the comparative example, the defoliation rate and the boll opening rate of cotton are reduced compared with the example, because the lecithin-containing auxiliary agent has a synergistic effect on the cotton defoliating agent and can promote boll opening.
In conclusion, the invention improves the deposition amount of the liquid medicine on one hand and the lecithin can transfer the liquid medicine adhered to the surfaces of crops into the inside through the combined action of the lecithin, the grease, the specific nonionic surfactant and the anionic surfactant in a specific ratio, and has obvious synergistic action.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. An agricultural tank-mixing auxiliary agent containing lecithin is characterized by comprising the following components in parts by weight:
the mass ratio of the lecithin to the grease is 1-6.5;
the lecithin is soybean lecithin; the grease is fatty acid methyl ester and refined mineral oil with the mass ratio of 3:2;
the fatty acid ester is fatty acid methyl ester formed by esterification of one or more of peanut oil, corn oil, soybean oil and palm oil;
the carbon number difference of the refined mineral oil relative to normal paraffin is not more than 8, the average carbon number of the relative normal paraffin is 21-24, and the non-sulfonated content is not less than 92%;
the emulsifying wetting agent is a compound of a nonionic surfactant and an anionic surfactant; the mass ratio of the nonionic surfactant to the anionic surfactant is 2-6:1;
the nonionic surfactant is one or more of fatty alcohol polyoxyethylene ether, isomeric alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether and block polyoxyethylene-polyoxypropylene ether;
the anionic surfactant is one or more of diisooctyl succinate sodium sulfonate, ethoxylated fatty acid methyl ester sulfonate, alcohol ether phosphate, styryl phenol polyoxyethylene ether phosphate and alkylphenol polyoxyethylene ether phosphate.
2. The lecithin-containing agricultural tank mix additive as claimed in claim 1, which is characterized by comprising the following components in parts by weight:
3. the lecithin-containing agricultural tank mix adjuvant according to claim 2, wherein the solvent is one or more of ethanol, ethylene glycol, isopropanol, and dimethyl sulfoxide.
4. The lecithin-containing agricultural tank mix additive as claimed in claim 3, which is characterized by comprising the following components in parts by weight: 80 parts of soybean lecithin, 24 parts of methyl esterified palm oil, 16 parts of refined mineral oil, 15 parts of isomeric tridecanol polyoxyethylene ether, 2 parts of triphenylvinyl phenol polyoxyethylene ether phosphate, 3 parts of diisooctyl succinate sodium sulfonate and 15 parts of ethanol.
5. The method for preparing the lecithin-containing agricultural tank mix adjuvant according to any one of claims 1 to 4, comprising:
step 1: the grease, the solvent and the lecithin are fully and uniformly mixed in sequence to form a flowable liquid;
step 2: under the condition of stirring, adding the emulsifying wetting agent and mixing for 30min, and keeping the stirring speed at 60 r/min in the whole process.
6. The method for using the lecithin-containing agricultural tank-mix adjuvant according to any one of claims 1 to 4, wherein the tank-mix adjuvant is added to a spray tank in a tank-mix form before spraying, and is completely sprayed within 24 hours.
7. A synergistic pesticidal composition comprising: the agricultural pesticide and the lecithin-containing agricultural tank-mix adjuvant according to any one of claims 1 to 4, wherein the mass percentage of the lecithin-containing agricultural tank-mix adjuvant in the synergistic pesticide composition is 0.2 to 2.0 percent.
8. The synergistic pesticide composition as claimed in claim 7, wherein the pesticide is one or more of glyphosate and its salts, topramezone, mesotrione, nicosulfuron, thidiazuron, diuron, ethephon, pyraclostrobin, azoxystrobin, imidacloprid and pymetrozine.
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| CN115281187B (en) * | 2022-08-11 | 2023-11-24 | 北京广源益农化学有限责任公司 | Stable pesticide synergist and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU0600108D0 (en) * | 2006-02-10 | 2006-04-28 | Gosen Bt | Contact fungicidal compositions with increased efficiency |
| EP2777394A1 (en) * | 2012-11-27 | 2014-09-17 | SC Teso Spec SRL | Agricultural adjuvant composition and process for its obtainment |
| CN104094927A (en) * | 2013-04-02 | 2014-10-15 | 兴邦（武汉）生物科技有限公司 | Assistant composition for treating plants |
| RO130891A2 (en) * | 2014-07-29 | 2016-02-26 | Teso Spec S.R.L. | Preparation of agricultural adjuvants and liquid fertilizers with said adjuvants |
| CN106689122A (en) * | 2016-12-12 | 2017-05-24 | 北京广源益农化学有限责任公司 | Spray aid for agricultural aviation plant protection spray or ultra-low-capacity spray and application |
| CN109788753A (en) * | 2016-05-11 | 2019-05-21 | 阿夸姆有限责任公司 | Agriculture adjuvant |
-
2021
- 2021-11-24 CN CN202111408035.5A patent/CN114246178B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU0600108D0 (en) * | 2006-02-10 | 2006-04-28 | Gosen Bt | Contact fungicidal compositions with increased efficiency |
| EP2777394A1 (en) * | 2012-11-27 | 2014-09-17 | SC Teso Spec SRL | Agricultural adjuvant composition and process for its obtainment |
| CN104094927A (en) * | 2013-04-02 | 2014-10-15 | 兴邦（武汉）生物科技有限公司 | Assistant composition for treating plants |
| RO130891A2 (en) * | 2014-07-29 | 2016-02-26 | Teso Spec S.R.L. | Preparation of agricultural adjuvants and liquid fertilizers with said adjuvants |
| CN109788753A (en) * | 2016-05-11 | 2019-05-21 | 阿夸姆有限责任公司 | Agriculture adjuvant |
| CN106689122A (en) * | 2016-12-12 | 2017-05-24 | 北京广源益农化学有限责任公司 | Spray aid for agricultural aviation plant protection spray or ultra-low-capacity spray and application |
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