CN111642502A - Auxiliary agent and method for preparing glyphosate + ethylcarboxyl microemulsion by using same - Google Patents
Auxiliary agent and method for preparing glyphosate + ethylcarboxyl microemulsion by using same Download PDFInfo
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- CN111642502A CN111642502A CN202010371842.3A CN202010371842A CN111642502A CN 111642502 A CN111642502 A CN 111642502A CN 202010371842 A CN202010371842 A CN 202010371842A CN 111642502 A CN111642502 A CN 111642502A
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- glyphosate
- microemulsion
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- polyoxyethylene ether
- ethylcarboxyl
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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
-
- 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
- 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
- A01N37/48—Nitro-carboxylic acids; Derivatives thereof
-
- 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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses an auxiliary agent and a method for preparing glyphosate + ethylcarboxyl microemulsion, wherein the auxiliary agent comprises the following components in percentage by weight: 5-15% of fatty alcohol-polyoxyethylene ether sulfate, 10-15% of alkylamine polyoxyethylene ether, 40-50% of alkyl dimethyl ethanol ammonium chloride, 5-10% of alkyl glycoside and the balance of water; the glyphosate + glyoxal microemulsion comprises the following components: 3% of ethyl carboxyl, 3-7% of DMF, 5-15% of propylene glycol methyl ether, 10-20% of microemulsion, 30% of glyphosate and the balance of water. The glyphosate and ethylcarboxyl microemulsion prepared by the invention has high weeding speed and good effect, and is obviously superior to the products of the same type sold in the market in stability and dispersibility.
Description
Technical Field
The invention relates to the technical field of pesticide adjuvants, in particular to an adjuvant and a method for preparing glyphosate + ethylcarboxyl microemulsion by using the adjuvant.
Background
Glyphosate (glyphosate), the chemical name of which is N- (phosphonomethyl) glycine, is a non-volatile white solid with the specific gravity of 0.5, is melted at about 230 ℃ and is decomposed concomitantly, the solubility of the glyphosate in water at normal temperature is only 1.2g, the glyphosate is insoluble in common organic solvents, and isopropylamine salt of the glyphosate is completely dissolved in water, is nonflammable and non-explosive, is stable to store at normal temperature and has corrosion effect on carbonized steel and galvanized iron sheets.
Glyphosate is widely used in china as a systemic conduction type broad-spectrum biocidal herbicide, and the principle is that enolpyruvyl shikimate phosphate synthase in an object is mainly inhibited, so that the conversion of shikimate to phenylalanine, tyrosine and tryptophan is inhibited, and the synthesis of protein is interfered to cause plant death. Glyphosate is absorbed by stems and leaves and then transferred to various parts of plants, and can prevent and kill monocotyledons, dicotyledons, annual and perennial plants, herbaceous plants, shrubs and other plants of more than 40 families. After entering the soil, the glyphosate is combined with metal ions such as iron, aluminum and the like to lose activity, and has no adverse effect on seeds and soil microorganisms hidden in the soil. With the widespread use of glyphosate, weeds are also increasingly resistant to glyphosate. The traditional single glyphosate preparation has weakened weed treatment effect year by year, and the performance in south China is particularly obvious.
At present, a combined preparation of glyphosate and ethylcarboxyl is produced by a pesticide factory in the south to solve the problem of resistance of weeds to glyphosate, and the ethylcarboxyl can greatly make up for the defect of low weeding speed in the early stage of glyphosate, but the traditional auxiliary agent in the market is difficult to stabilize the glyphosate and ethylcarboxyl preparation, so that the phenomena of poor preparation stability and poor dilution and dispersion exist, and the combined preparation has influence on the use of farmers. The invention provides an auxiliary agent and provides a method for preparing a glyphosate + ethylcarboxyl microemulsion, which can realize better preparation stability and simultaneously has excellent dispersion performance and better drug efficacy.
Disclosure of Invention
The invention mainly aims to overcome the defects of poor stability and poor dilution and dispersion of a traditional preparation caused by difficulty in stabilizing a glyphosate + ethylcarboxyl preparation by using an auxiliary agent, and provides the auxiliary agent and a method for preparing the glyphosate + ethylcarboxyl microemulsion by using the auxiliary agent. The glyphosate and ethylcarboxyl microemulsion preparation has good weeding effect and good stability and dispersibility.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme.
The invention provides an auxiliary agent, which comprises the following components in percentage by weight: 5-15% of fatty alcohol-polyoxyethylene ether sulfate, 10-15% of alkylamine polyoxyethylene ether, 40-50% of alkyl dimethyl ethanol ammonium chloride, 5-10% of alkyl glycoside and the balance of water.
The auxiliary agent comprises the following components in percentage by weight: 10% of fatty alcohol-polyoxyethylene ether sulfate, 23% of alkylamine polyoxyethylene ether, 45% of alkyl dimethyl ethanol ammonium chloride, 8% of alkyl glycoside and the balance of water.
In the above-mentioned auxiliary agent, the fatty alcohol-polyoxyethylene ether sulfate is fatty alcohol-polyoxyethylene ether sodium sulfate or fatty alcohol-polyoxyethylene ether ammonium sulfate.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
The invention provides a glyphosate + ethylcarboxyl microemulsion containing the auxiliary agent, which comprises the following components in percentage by weight: 3% of ethanediol carboxyl, 3-7% of DMF, 5-15% of propylene glycol methyl ether, 10-20% of an auxiliary agent, 30% of glyphosate and the balance of water.
The glyphosate + ethylcarboxyl microemulsion comprises the following components in percentage by weight: 3% of ethylene glycol, 5% of DMF, 10% of propylene glycol methyl ether, 15% of an auxiliary agent, 30% of glyphosate and the balance of water.
The object of the present invention and the technical problem to be solved are also achieved by the following technical means.
The invention provides a method for preparing the glyphosate + ethylcarboxyl microemulsion, which comprises the following steps: dissolving the ethanediol in DMF, adding propylene glycol methyl ether and the microemulsion, uniformly stirring, adding ammonium glyphosate and water, and reacting under a certain condition to obtain the glyphosate + ethanediol microemulsion.
In the preparation method, the ethylcarboxyl, DMF, propylene glycol methyl ether, microemulsion, ammonium glyphosate and water are added according to a weight ratio of 3:5:10:15:30: 37.
The preparation method comprises the following steps: heating to 35-45 ℃ and continuously stirring for 1-3 h.
The preparation method comprises the following steps: after the temperature is raised to 40 ℃, the stirring is continued for 2 h.
By the technical scheme, the invention at least has the following advantages:
(1) the glyphosate and ethylcarboxyl microemulsion of the invention is obviously superior to the existing products in the market in stability and dispersibility.
(2) The glyphosate and the glyoxaline microemulsion of the invention are superior to the products of the same type in the market in terms of drug effect.
(3) The preparation method of the glyphosate + ethylcarboxyl microemulsion is simple and easy to operate, is beneficial to the industrial production of the glyphosate + ethylcarboxyl microemulsion, and has wide application prospect.
In conclusion, the glyphosate + ethylcarboxyl microemulsion prepared by the invention has high weeding speed and good effect, has a plurality of advantages and practical values, is not published or innovated in similar products due to similar design or use, has great improvement on product components or functions, has great technical progress and good and practical effect, has a plurality of enhanced efficacies compared with the existing glyphosate + ethylcarboxyl preparation, is more suitable for practical use, has industrial wide utilization value, and is a novel, advanced and practical new design.
The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention.
Specific embodiments of the present invention are given in detail by the following examples.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the predetermined objects, the following detailed description of the preferred embodiments of the adjuvant and the method for preparing glyphosate + glyoxal microemulsion according to the present invention, the method and the effects thereof will be provided.
The auxiliary agent comprises the following raw materials in percentage by weight: 5-15% of fatty alcohol-polyoxyethylene ether sulfate, 10-15% of alkylamine polyoxyethylene ether, 40-50% of alkyl dimethyl ethanol ammonium chloride, 5-10% of alkyl glycoside and the balance of water. Preferably, the water-soluble fatty alcohol polyoxyethylene ether sulfate is 10%, the alkylamine polyoxyethylene ether is 23%, the alkyl dimethyl ethanol ammonium chloride is 45%, the alkyl glycoside is 8%, and the balance is water. Wherein the fatty alcohol-polyoxyethylene ether sulfate is fatty alcohol-polyoxyethylene ether sodium sulfate or fatty alcohol-polyoxyethylene ether ammonium sulfate. Furthermore, the sodium fatty alcohol polyoxyethylene ether sulfate is selected from one of AES-2 or AES-3.
The alkylamine polyoxyethylene ether is dodecyl amine or octadecyl amine, and has the following general formula:
wherein R is alkyl, R1 and R2 are ethoxy, and when R is C12, the sum of EO numbers of R1 and R2 is 10; when R is C18, the sum of EO numbers of R1 and R2 is 15.
The alkyl dimethyl ethanol ammonium chloride has the following specific structure:
wherein R is4Is C12 or C14.
The glyphosate + ethylcarboxyl microemulsion according to the invention comprises the following raw materials by weight percent: 3% of ethyl carboxyl, 3-7% of DMF, 5-15% of propylene glycol methyl ether, 10-20% of microemulsion, 30% of glyphosate and the balance of water. Preferably, the pesticide comprises 3% of ethylene glycol, 5% of DMF, 10% of propylene glycol methyl ether, 15% of microemulsion, 30% of glyphosate and the balance of water.
The preparation method of the glyphosate + ethylcarboxyl microemulsion comprises the following steps: dissolving the ethanediol in DMF, adding propylene glycol methyl ether and the microemulsion, uniformly stirring, adding ammonium glyphosate and water, and reacting under a certain condition to obtain the glyphosate + ethanediol microemulsion. Further, the ethyl carboxyl, DMF, propylene glycol methyl ether, microemulsion, ammonium glyphosate and water are added according to the weight ratio of 3:5:10:15:30: 37. The reaction conditions are as follows: heating to 35-45 ℃ and continuously stirring for 1-3 h. Preferably, the reaction conditions are: after the temperature is raised to 40 ℃, the stirring is continued for 2 h.
The following will explain in detail by specific examples, based on 100 parts of the total amount in each step.
Example 1
Preparing an auxiliary agent: 5 parts of fatty alcohol-polyoxyethylene ether sodium sulfate, 13 parts of alkylamine polyoxyethylene ether, 40 parts of alkyl dimethyl ethanol ammonium chloride, 8 parts of alkyl glycoside and 34 parts of water are mixed and stirred uniformly to obtain the auxiliary agent.
Preparing glyphosate + ethylcarboxyl microemulsion: dissolving 3 parts of ethylglycollic acid in 5 parts of DMF, adding 10 parts of propylene glycol methyl ether and 15 parts of microemulsion, uniformly stirring, adding 30 parts of ammonium glyphosate and 37 parts of water, heating to 40 ℃, and continuously stirring for 2 hours to obtain the glyphosate + ethylglycollic acid microemulsion.
Example 2
Preparing an auxiliary agent: and (3) mixing and uniformly stirring 15 parts of fatty alcohol-polyoxyethylene ether sodium sulfate, 10 parts of alkylamine polyoxyethylene ether, 45 parts of alkyl dimethyl ethanol ammonium chloride, 5 parts of alkyl glycoside and 25 parts of water to obtain the auxiliary agent.
Preparing glyphosate + ethylcarboxyl microemulsion: dissolving 3 parts of ethylglycollic acid in 7 parts of DMF, adding 15 parts of propylene glycol methyl ether and 10 parts of microemulsion, uniformly stirring, adding 30 parts of ammonium glyphosate and 35 parts of water, heating to 45 ℃, and continuously stirring for 2 hours to obtain the glyphosate + ethylglycollic acid microemulsion.
Example 3
Preparing an auxiliary agent: and mixing and stirring 10 parts of fatty alcohol-polyoxyethylene ether sodium sulfate, 15 parts of alkylamine polyoxyethylene ether, 50 parts of alkyl dimethyl ethanol ammonium chloride, 10 parts of alkyl glycoside and 15 parts of water uniformly to obtain the auxiliary agent.
Preparing glyphosate + ethylcarboxyl microemulsion: dissolving 3 parts of ethylglycollic acid in 3 parts of DMF, adding 5 parts of propylene glycol methyl ether and 20 parts of microemulsion, uniformly stirring, adding 30 parts of ammonium glyphosate and 39 parts of water, heating to 35 ℃, and continuously stirring for 1 hour to obtain the glyphosate + ethylglycollic acid microemulsion.
Example 4
Preparing the microemulsion: mixing and stirring 10 parts of fatty alcohol-polyoxyethylene ether sodium sulfate, 13 parts of alkylamine polyoxyethylene ether, 40 parts of alkyl dimethyl ethanol ammonium chloride, 5 parts of alkyl glycoside and 32 parts of water uniformly to obtain the microemulsion.
Preparing glyphosate + ethylcarboxyl microemulsion: dissolving 3 parts of ethanediol in 3 parts of DMF, adding 15 parts of propylene glycol methyl ether and 20 parts of microemulsion, uniformly stirring, adding 30 parts of ammonium glyphosate and 29 parts of water, heating to 35 ℃, and continuously stirring for 3 hours to obtain the glyphosate + ethanediol microemulsion.
Example 5
Preparing an auxiliary agent: and mixing and stirring 15 parts of fatty alcohol-polyoxyethylene ether sodium sulfate, 15 parts of alkylamine polyoxyethylene ether, 40 parts of alkyl dimethyl ethanol ammonium chloride, 5 parts of alkyl glycoside and 25 parts of water uniformly to obtain the auxiliary agent.
Preparing glyphosate + ethylcarboxyl microemulsion: dissolving 3 parts of ethanediol in 5 parts of DMF, adding 15 parts of propylene glycol methyl ether and 15 parts of microemulsion, uniformly stirring, adding 30 parts of ammonium glyphosate and 32 parts of water, heating to 40 ℃, and continuously stirring for 3 hours to obtain the glyphosate + ethanediol microemulsion.
Comparative example 1
The commercial glyphosate + ethylcarboxyl water emulsion (the mixture ratio of 30 percent glyphosate and 3 percent ethylcarboxyl)
Test example 1 evaluation of stability and Dispersion Performance of Glyphosate + Ethyl Carboxylic microemulsion
Evaluation criteria: the evaluation criteria of the formulations are shown in table 1.
Test subjects: the glyphosate + glyoxal microemulsion prepared in examples 1-5 and the commercially available glyphosate + glyoxal aqueous emulsion of comparative example 1.
The test conditions are as follows: hot storage at 55 ℃ and cold storage stability at 0 ℃ are tested, the samples are stored for 14 days, 28 days, 42 days and 56 days respectively, the samples are taken out, after the samples are returned to room temperature, the appearance of the preparation is observed, the samples are respectively diluted by hard water by 200 times, and the dispersion condition of each sample in the hard water is observed, which is shown in table 2.
TABLE 1 evaluation criteria of the formulations
TABLE 2 comparison of stability and Dispersion for each sample
As can be seen from the results in tables 1 and 2, the stability and dispersion performance of inventive examples 1-5 are superior to commercial glyphosate + ethylcarboxy aqueous emulsion (comparative example 1) over the same number of days of storage. Moreover, the stability and dispersibility of the glyphosate + glyoxal microemulsions of examples 1-5 of the present invention remained substantially unchanged with increasing days of storage, indicating that the glyphosate + glyoxal microemulsions obtained in accordance with the present invention are superior in stability and dispersibility.
Test example 2 evaluation of herbicidal Effect of Glyphosate + EthyleneCarboxylic microemulsion
Test drugs: the glyphosate + glyoxylic microemulsions of examples 1-5 and the glyphosate + glyoxylic aqueous emulsion of comparative example 1.
Test subjects: weed species: alternanthera philoxeroides, carex latifolius and lysimachia christinae.
Application method and water consumption (liter/hectare): spraying stem leaves, wherein the water consumption is 450 liters per hectare; the application effect is shown in table 3.
TABLE 3 fresh weight control of weeds using Glyphosate + Carboxydate formulations
| Drug treatment | The dosage of active ingredients (g/hectare) | Fresh weight control effect of total weeds after last application (%) |
| Example 1 | 1750 | 99.5 |
| Example 2 | 1750 | 99.0 |
| Example 3 | 1750 | 99.2 |
| Example 4 | 1750 | 97.3 |
| Example 5 | 1750 | 98.1 |
| Comparative example 1 | 1750 | 81.2 |
The results in table 3 show that the glyphosate and ethylcarboxyl microemulsion has obviously better weed control effect than the commercial glyphosate and ethylcarboxyl emulsion in water and has better weed removal effect.
Therefore, the composite preparation of the invention makes up the situation that the glyphosate + ethylcarboxyl preparation has poor dispersibility, can effectively improve the removal rate of weeds, and is obviously superior to the existing products in the market in stability and dispersibility.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The auxiliary agent comprises the following components in percentage by weight: 5-15% of fatty alcohol-polyoxyethylene ether sulfate, 10-15% of alkylamine polyoxyethylene ether, 40-50% of alkyl dimethyl ethanol ammonium chloride, 5-10% of alkyl glycoside and the balance of water.
2. The auxiliary according to claim 1, wherein the auxiliary comprises the following components in percentage by weight: 10% of fatty alcohol-polyoxyethylene ether sulfate, 13% of alkylamine polyoxyethylene ether, 45% of alkyl dimethyl ethanol ammonium chloride, 8% of alkyl glycoside and the balance of water.
3. The auxiliary according to claim 1 or 2, wherein the fatty alcohol-polyoxyethylene ether sulfate is sodium fatty alcohol-polyoxyethylene ether sulfate or ammonium fatty alcohol-polyoxyethylene ether sulfate.
4. A glyphosate + glyoxylate microemulsion comprising the adjuvant of any one of claims 1 to 3, said glyphosate + glyoxylate microemulsion comprising the following components in weight percent: 3% of ethanediol carboxyl, 3-7% of DMF, 5-15% of propylene glycol methyl ether, 10-20% of an auxiliary agent, 30% of glyphosate and the balance of water.
5. The glyphosate + glyoxal microemulsion according to claim 4, wherein the glyphosate + glyoxal microemulsion comprises the following components in weight percent: 3% of ethylene glycol, 5% of DMF, 10% of propylene glycol methyl ether, 15% of microemulsion, 30% of glyphosate and the balance of water.
6. A process for preparing the glyphosate + glyoxylic microemulsion of claim 4 or 5, comprising the steps of: dissolving the ethylcarboxyl in DMF, adding propylene glycol methyl ether and the auxiliary agent, stirring uniformly, adding ammonium glyphosate and water, and reacting under a certain condition to obtain the glyphosate + ethylcarboxyl microemulsion.
7. The preparation method of claim 6, wherein the ethylene carboxylic acid, DMF, propylene glycol methyl ether, adjuvant, ammonium glyphosate and water are added in a weight ratio of 3:5:10:15:30: 37.
8. The production method according to claim 6, wherein the reaction conditions are: heating to 35-45 ℃ and continuously stirring for 1-3 h.
9. The production method according to claim 6, wherein the reaction conditions are: after the temperature is raised to 40 ℃, the stirring is continued for 2 h.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280458A (en) * | 1997-11-27 | 2001-01-17 | 阿温提斯作物科学有限公司 | Surfactant system for liquid aqueous preparations |
| CN102805100A (en) * | 2012-08-16 | 2012-12-05 | 济南绿邦化工有限公司 | Herbicide capable of reducing resistance of glyphosate |
| CN109221244A (en) * | 2018-10-21 | 2019-01-18 | 江苏长青生物科技有限公司 | Glufosinate-ammonium and the micro emulsion herbicide of fluoroglycofen-ethyl component and preparation method thereof |
| CN110818577A (en) * | 2019-11-07 | 2020-02-21 | 南京威尔生物化学有限公司 | Preparation method and application of glyphosate granule auxiliary agent with high drug effect |
-
2020
- 2020-05-06 CN CN202010371842.3A patent/CN111642502A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280458A (en) * | 1997-11-27 | 2001-01-17 | 阿温提斯作物科学有限公司 | Surfactant system for liquid aqueous preparations |
| CN102805100A (en) * | 2012-08-16 | 2012-12-05 | 济南绿邦化工有限公司 | Herbicide capable of reducing resistance of glyphosate |
| CN109221244A (en) * | 2018-10-21 | 2019-01-18 | 江苏长青生物科技有限公司 | Glufosinate-ammonium and the micro emulsion herbicide of fluoroglycofen-ethyl component and preparation method thereof |
| CN110818577A (en) * | 2019-11-07 | 2020-02-21 | 南京威尔生物化学有限公司 | Preparation method and application of glyphosate granule auxiliary agent with high drug effect |
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