CN116172003A - Green herbicide containing cloquintocet-mexyl and preparation process thereof - Google Patents

Green herbicide containing cloquintocet-mexyl and preparation process thereof Download PDF

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CN116172003A
CN116172003A CN202211695893.7A CN202211695893A CN116172003A CN 116172003 A CN116172003 A CN 116172003A CN 202211695893 A CN202211695893 A CN 202211695893A CN 116172003 A CN116172003 A CN 116172003A
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complexing agent
mexyl
cloquintocet
stirring
synergistic
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徐西之
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Xinyi Yongcheng Chemical Industrial Co ltd
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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
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • 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
    • 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
    • A01N25/32—Ingredients for reducing the noxious effect of the active substances to organisms other than pests, e.g. toxicity reducing compositions, self-destructing compositions
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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    • A01P13/00—Herbicides; Algicides
    • 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
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    • 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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Abstract

The invention belongs to the field of herbicides, and particularly discloses a green herbicide containing cloquintocet-mexyl and a preparation process thereof, wherein the herbicide comprises clodinafop-propargyl, a complexing agent, a synergistic complexing agent, a humectant, a safener, a surfactant and deionized water; the complexing agent is selected from one of oxalic acid, tartaric acid and sodium citrate; the synergistic complexing agent is selected from one of diethylene triamine penta sodium acetate and diethylene triamine penta sodium calcium acetate; the safener is cloquintocet-mexyl; the humectant is selected from one or more of isopropanol, trehalose and polyethylene glycol; the surfactant is selected from one or more of alkyl glycoside, cocamidopropyl betaine and N-acyl sarcosinate; the green herbicide disclosed by the invention does not contain an organic solvent, has no residue, and is low in harm to the agricultural land and low in preparation cost.

Description

Green herbicide containing cloquintocet-mexyl and preparation process thereof
Technical Field
The invention belongs to the field of herbicides, and particularly discloses a green herbicide containing cloquintocet-mexyl and a preparation process thereof.
Background
Herbicides are agents, also known as herbicides, which thoroughly or selectively kill weeds and are used to kill or inhibit plant growth. The clodinafop-propargyl (chemical name is (R) -2- [4- (5-chloro-3-fluoro-2-pyridyloxy) phenoxy ] propargyl propionate), the structural formula is a novel chiral, fluorine-containing and aromatic phenoxypropionic acid efficient herbicide, and the clodinafop-propargyl herbicide is a cereal post-emergence herbicide developed by Ciba-Geigy company and is mainly used for preventing and killing annual gramineous weeds such as wild oat, wheat-viewing, ryegrass, green bristlegrass and the like. Trade names of Topic, celio, tip, clodinafop, etc., pure products are white crystals, the melting point is 59.5 ℃, the relative density is 1.37 (20 ℃), the solubility in water is 4.0mg/L (20 ℃), and the solubility in toluene, acetone and ethanol is high. The organic fertilizer is relatively stable in an acidic medium and is hydrolyzed in an alkaline medium, is easy to decompose under illumination, and is quickly degraded into free acid phenyl and pyridine moieties in soil to enter the soil and mineralized matters, so that the organic fertilizer has no influence on succeeding crops. The clodinafop-propargyl has the action mechanism and the characteristics that the clodinafop-propargyl inhibits the activity of acetyl-CoA carboxylase (ACCase), is a systemic conductive herbicide, is absorbed by leaves and leaf sheaths of plants, is conducted by phloem, is accumulated in meristematic tissues of the plants, inhibits the acetyl-CoA carboxylase, stops the synthesis of fatty acid, prevents the growth and division of cells from being normally carried out, damages lipid-containing structures such as membrane systems and the like, finally leads to death of plants, and researches find that the clodinafop-propargyl herbicide is hydrolyzed into acid after entering the plants, and then plays a role of weeding in the form of acid. The dosage form of the clodinafop-propargyl herbicide in the current market is mainly wettable powder. The wettable powder is a pesticide formulation which is mainly prepared by mixing clodinafop-propargyl, auxiliary agents (surfactant, thickener and the like) and solid fillers (kaolin, light calcium and diatomite) and the like and then carrying out jet milling. Because the particles of the wettable powder are relatively coarse, the wettable powder is adhered to the surfaces of weeds by larger solid particles in the use process, is not easy to be absorbed by the weeds, and has more loss of pesticide active ingredients, so that the relative dosage can be increased, and the environment is easy to be polluted. Meanwhile, the wettable powder adopts jet milling in the processing process, dust emission can be generated in the production process, and the environment is polluted and meanwhile, the producer is endangered. Meanwhile, the wettable powder can cause secondary pollution to the environment due to dust emission in the use process. The Chinese patent No. 201410370769.2 discloses a clodinafop-propargyl microemulsion, a preparation method and an application method thereof, wherein the clodinafop-propargyl microemulsion comprises the following components in percentage by mass: 5-20% of clodinafop-propargyl, 1-5% of a safener, 15-40% of a solvent, 1-4% of a stabilizer, 10-24% of an emulsifier, 1-5% of a high-efficiency dispersing agent and the balance of water. The invention mainly aims at the safety problem of clodinafop-propargyl on crops, and detoxicated quindox is added as a safener so as to promote the growth of the crops while ensuring weeding. Meanwhile, aiming at the problem of storage stability of clodinafop-propargyl and safener, the components of the stabilizer are added to ensure that the preparation components have a valid period of 2 years and the safener is not obviously degraded; however, the preparation is an emulsifier, a large amount of organic solvent is needed to be added, and the residual amount of toxic substances is large in use, so that the preparation is not environment-friendly.
Disclosure of Invention
In order to solve the problems, the invention discloses a green herbicide containing cloquintocet-mexyl and a preparation process thereof, and the green herbicide does not contain an organic solvent and is environment-friendly.
The technical scheme of the invention is as follows:
a green herbicide containing cloquintocet-mexyl comprises clodinafop-propargyl, complexing agent, synergistic complexing agent, humectant, safener, surfactant and deionized water;
the complexing agent is selected from one of oxalic acid, tartaric acid and sodium citrate;
the synergistic complexing agent is selected from one of diethylene triamine penta sodium acetate and diethylene triamine penta sodium calcium acetate;
the safener is cloquintocet-mexyl;
the humectant is selected from one or more of isopropanol, trehalose and polyethylene glycol;
the surfactant is selected from one or more of alkyl glycoside, cocamidopropyl betaine and N-acyl sarcosinate.
According to the scheme, the complexing agent and the synergistic complexing agent are used, clodinafop-propargyl is wrapped into hydrophilic liquid drops, the water solubility is greatly increased under the existence of the humectant and the surfactant, and the liquid preparation can be prepared without adding an organic solvent, so that the preparation has a good environment-friendly effect.
Preferably, the green herbicide containing the cloquintocet-mexyl comprises the following raw materials in percentage by mass:
Figure BDA0004022397060000021
Figure BDA0004022397060000031
further, the green herbicide containing the cloquintocet-mexyl, wherein the complexing agent is tartaric acid.
Furthermore, the green herbicide containing the cloquintocet-mexyl, and the synergistic complexing agent is diethylene triamine penta sodium calcium acetate. The tartaric acid and the diethylenetriamine pentaacetic acid are combined to form an oil-in-water like structure, so that the water solubility is greatly improved.
Furthermore, the green herbicide containing the cloquintocet-mexyl is trehalose, the trehalose is green and nontoxic, and raw materials are easy to obtain, so that the green herbicide is a good humectant.
Further, the green herbicide containing the cloquintocet-mexyl, wherein the surfactant is cocamidopropyl betaine. The cocamidopropyl betaine has excellent solubility and compatibility.
Further, the green herbicide containing the cloquintocet-mexyl comprises the following raw materials in percentage by mass:
Figure BDA0004022397060000032
further, the preparation process of the green herbicide containing the cloquintocet-mexyl comprises the following steps:
s1, adding half deionized water in a formula into a stirring tank A, adding clodinafop-propargyl, a complexing agent and a synergistic complexing agent according to the formula proportion, heating to 40-50 ℃, and stirring at 200-250rap/min until the clodinafop-propargyl, the complexing agent and the synergistic complexing agent are completely dissolved, wherein the material is A solution;
s2, adding the other half of deionized water in the formula into a stirring tank B, heating to 55-65 ℃, adding the safety agent in the formula proportion when the water temperature is higher than 55 ℃, stirring at a high speed of 400-500rap/min until the safety agent is completely dissolved, closing heating, suspending stirring, adding the humectant and the surfactant in the formula proportion when the temperature is reduced to 20-30 ℃, and stirring for 10min by adopting 300-600rap/min, wherein the material is the solution B;
s3, pumping the solution A into the solution B by a pump, and stirring the solution A until the solution A is completely dissolved at 300-500rap/min to obtain the green herbicide.
The preparation method has the advantages of few steps, mild conditions, low preparation cost and good environmental protection effect.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses a green herbicide containing cloquintocet-mexyl, which is mainly a green pesticide containing cloquintocet-mexyl herbicide and a corresponding safener, and compared with the prior art that cloquintocet-mexyl pesticide is in the form of emulsion, the cloquintocet-mexyl aqueous solution prepared by the invention basically does not use organic solvents, so that the whole preparation process is green and environment-friendly, and the residue of toxic substances is greatly reduced when the cloquintocet-mexyl aqueous solution is used, thereby reducing the harm to the environment, and being a novel green agriculture worthy of popularization.
Drawings
FIG. 1 is a graph showing the herbicidal effect of a herbicide on wild oats;
FIG. 2 is a graph showing the herbicidal action of a herbicide on the physalis alkekengi;
figure 3 shows the herbicidal effect of the herbicide on broadleaf weeds, cleavers.
Detailed Description
The green herbicide containing the cloquintocet-mexyl comprises the following raw materials in percentage by mass:
Figure BDA0004022397060000041
the complexing agent is selected from one of oxalic acid, tartaric acid and sodium citrate;
the synergistic complexing agent is selected from one of diethylene triamine penta sodium acetate and diethylene triamine penta sodium calcium acetate;
the safener is cloquintocet-mexyl
The humectant is selected from one or more of isopropanol, trehalose and polyethylene glycol;
the surfactant is selected from one or more of alkyl glycoside, cocamidopropyl betaine and N-acyl sarcosinate.
The preparation process of the green herbicide containing the cloquintocet-mexyl comprises the following steps of:
s1, adding half deionized water in a formula into a stirring tank A, adding clodinafop-propargyl, a complexing agent and a synergistic complexing agent according to the formula proportion, heating to 40-50 ℃, and stirring at 200-250rap/min until the clodinafop-propargyl, the complexing agent and the synergistic complexing agent are completely dissolved, wherein the material is A solution;
s2, adding the other half of deionized water in the formula into a stirring tank B, heating to 55-65 ℃, adding the safety agent in the formula proportion when the water temperature is higher than 55 ℃, stirring at a high speed of 400-500rap/min until the safety agent is completely dissolved, closing heating, suspending stirring, adding the humectant and the surfactant in the formula proportion when the temperature is reduced to 20-30 ℃, and stirring for 10min by adopting 300-600rap/min, wherein the material is the solution B;
s3, pumping the solution A into the solution B by a pump, and stirring the solution A until the solution A is completely dissolved at 300-500rap/min to obtain the green herbicide.
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The reagents or instruments used in the examples of the present invention were not manufacturer-identified and were conventional reagent products commercially available.
Example 1
The green herbicide containing the cloquintocet-mexyl comprises the following raw materials in percentage by mass:
Figure BDA0004022397060000051
the complexing agent is selected from oxalic acid;
the synergistic complexing agent is selected from pentasodium diethylenetriamine pentaacetate;
the safener is cloquintocet-mexyl
The humectant is selected from isopropanol;
the surfactant is selected from alkyl glycosides.
The preparation process of the green herbicide containing the cloquintocet-mexyl comprises the following steps of:
s1, adding half deionized water in a formula into a stirring tank A, adding clodinafop-propargyl, a complexing agent and a synergistic complexing agent according to the formula proportion, heating to 40-50 ℃, and stirring at 200-250rap/min until the clodinafop-propargyl, the complexing agent and the synergistic complexing agent are completely dissolved, wherein the material is A solution;
s2, adding the other half of deionized water in the formula into a stirring tank B, heating to 55-65 ℃, adding the safety agent in the formula proportion when the water temperature is higher than 55 ℃, stirring at a high speed of 400-500rap/min until the safety agent is completely dissolved, closing heating, suspending stirring, adding the humectant and the surfactant in the formula proportion when the temperature is reduced to 20-30 ℃, and stirring for 10min by adopting 300-600rap/min, wherein the material is the solution B;
s3, pumping the solution A into the solution B by a pump, and stirring the solution A until the solution A is completely dissolved at 300-500rap/min to obtain the green herbicide.
Example 2
The green herbicide containing the cloquintocet-mexyl comprises the following raw materials in percentage by mass:
Figure BDA0004022397060000061
the complexing agent is selected from tartaric acid;
the synergistic complexing agent is selected from diethylenetriamine pentaacetic acid calcium sodium salt;
the safener is cloquintocet-mexyl
The humectant is selected from trehalose;
the surfactant is selected from cocamidopropyl betaine.
The preparation process of the green herbicide containing the cloquintocet-mexyl comprises the following steps of:
s1, adding half deionized water in a formula into a stirring tank A, adding clodinafop-propargyl, a complexing agent and a synergistic complexing agent according to the formula proportion, heating to 40-50 ℃, and stirring at 200-250rap/min until the clodinafop-propargyl, the complexing agent and the synergistic complexing agent are completely dissolved, wherein the material is A solution;
s2, adding the other half of deionized water in the formula into a stirring tank B, heating to 55-65 ℃, adding the safety agent in the formula proportion when the water temperature is higher than 55 ℃, stirring at a high speed of 400-500rap/min until the safety agent is completely dissolved, closing heating, suspending stirring, adding the humectant and the surfactant in the formula proportion when the temperature is reduced to 20-30 ℃, and stirring for 10min by adopting 300-600rap/min, wherein the material is the solution B;
s3, pumping the solution A into the solution B by a pump, and stirring the solution A until the solution A is completely dissolved at 300-500rap/min to obtain the green herbicide.
Example 3
The green herbicide containing the cloquintocet-mexyl comprises the following raw materials in percentage by mass:
Figure BDA0004022397060000071
the complexing agent is selected from sodium citrate;
the synergistic complexing agent is selected from diethylenetriamine pentaacetic acid calcium sodium salt;
the safener is cloquintocet-mexyl
The humectant is selected from polyethylene glycol;
the surfactant is selected from N-acyl sarcosinates.
The preparation process of the green herbicide containing the cloquintocet-mexyl comprises the following steps of:
s1, adding half deionized water in a formula into a stirring tank A, adding clodinafop-propargyl, a complexing agent and a synergistic complexing agent according to the formula proportion, heating to 40-50 ℃, and stirring at 200-250rap/min until the clodinafop-propargyl, the complexing agent and the synergistic complexing agent are completely dissolved, wherein the material is A solution;
s2, adding the other half of deionized water in the formula into a stirring tank B, heating to 55-65 ℃, adding the safety agent in the formula proportion when the water temperature is higher than 55 ℃, stirring at a high speed of 400-500rap/min until the safety agent is completely dissolved, closing heating, suspending stirring, adding the humectant and the surfactant in the formula proportion when the temperature is reduced to 20-30 ℃, and stirring for 10min by adopting 300-600rap/min, wherein the material is the solution B;
s3, pumping the solution A into the solution B by a pump, and stirring the solution A until the solution A is completely dissolved at 300-500rap/min to obtain the green herbicide.
Comparative example 1
The green herbicide containing the cloquintocet-mexyl comprises the following raw materials in percentage by mass:
Figure BDA0004022397060000081
the safener is cloquintocet-mexyl
The humectant is selected from trehalose;
the surfactant is selected from cocamidopropyl betaine.
The preparation process of the green herbicide containing the cloquintocet-mexyl comprises the following steps of:
s1, adding half deionized water in a formula into a stirring tank A, adding clodinafop-propargyl in a formula proportion, heating to 40-50 ℃, and stirring at 200-250rap/min until the clodinafop-propargyl is completely dissolved, wherein the material is A liquid;
s2, adding the other half of deionized water in the formula into a stirring tank B, heating to 55-65 ℃, adding the safety agent in the formula proportion when the water temperature is higher than 55 ℃, stirring at a high speed of 400-500rap/min until the safety agent is completely dissolved, closing heating, suspending stirring, adding the humectant and the surfactant in the formula proportion when the temperature is reduced to 20-30 ℃, and stirring for 10min by adopting 300-600rap/min, wherein the material is the solution B;
s3, pumping the solution A into the solution B by a pump, and stirring the solution A until the solution A is completely dissolved at 300-500rap/min to obtain the green herbicide. .
Comparative example 2
The green herbicide containing the cloquintocet-mexyl comprises the following raw materials in percentage by mass:
Figure BDA0004022397060000082
the complexing agent is selected from tartaric acid;
the safener is cloquintocet-mexyl
The humectant is selected from trehalose;
the surfactant is selected from cocamidopropyl betaine.
The preparation process of the green herbicide containing the cloquintocet-mexyl comprises the following steps of:
s1, adding half deionized water in a formula into a stirring tank A, adding clodinafop-propargyl and a complexing agent in a formula proportion, heating to 40-50 ℃, and stirring at 200-250rap/min until the clodinafop-propargyl and the complexing agent are completely dissolved, wherein the material is A liquid;
s2, adding the other half of deionized water in the formula into a stirring tank B, heating to 55-65 ℃, adding the safety agent in the formula proportion when the water temperature is higher than 55 ℃, stirring at a high speed of 400-500rap/min until the safety agent is completely dissolved, closing heating, suspending stirring, adding the humectant and the surfactant in the formula proportion when the temperature is reduced to 20-30 ℃, and stirring for 10min by adopting 300-600rap/min, wherein the material is the solution B;
s3, pumping the solution A into the solution B by a pump, and stirring the solution A until the solution A is completely dissolved at 300-500rap/min to obtain the green herbicide. .
Comparative example 3
The green herbicide containing the cloquintocet-mexyl comprises the following raw materials in percentage by mass:
Figure BDA0004022397060000091
the synergistic complexing agent is selected from diethylenetriamine pentaacetic acid calcium sodium salt;
the safener is cloquintocet-mexyl
The humectant is selected from trehalose;
the surfactant is selected from cocamidopropyl betaine.
The preparation process of the green herbicide containing the cloquintocet-mexyl comprises the following steps of:
s1, adding half deionized water in a formula into a stirring tank A, adding clodinafop-propargyl and a synergistic complexing agent in a formula proportion, heating to 40-50 ℃, and stirring at 200-250rap/min until the clodinafop-propargyl and the synergistic complexing agent are completely dissolved, wherein the material is A liquid;
s2, adding the other half of deionized water in the formula into a stirring tank B, heating to 55-65 ℃, adding the safety agent in the formula proportion when the water temperature is higher than 55 ℃, stirring at a high speed of 400-500rap/min until the safety agent is completely dissolved, closing heating, suspending stirring, adding the humectant and the surfactant in the formula proportion when the temperature is reduced to 20-30 ℃, and stirring for 10min by adopting 300-600rap/min, wherein the material is the solution B;
s3, pumping the solution A into the solution B by a pump, and stirring the solution A until the solution A is completely dissolved at 300-500rap/min to obtain the green herbicide.
Test example 1
1. Experimental materials: herbicides prepared in examples 1-3 and comparative examples 1-3, and commercially available microemulsion comparative example 4 and a blank (applied water)
2. Test weeds: collecting seeds in the field of gramineae miscellaneous grass field oat, wheat-plant, broad-leaved weed and cleavers, wherein the germination rate is more than 95%;
3. the test method comprises the following steps: uniformly sowing seeds of the gramineous weeds and the broadleaf weeds in a wheat field, sowing 100 seeds per square meter of each weed, applying the pesticide after the weeds grow, applying the pesticide after the net dosage of clodinafop-propargyl is 10 g/square meter conversion, observing the death condition of each group of weeds per hectare after 30 days of pesticide application, and calculating the pesticide effect:
drug efficacy (%) = (control zone strain/fresh weight-treatment zone strain/fresh weight)/(control zone strain/fresh weight) ×100, wherein the control zone was not administered, the treatment zone was the administration zone of examples 1-3, comparative examples 1-4, and specific test results are shown in table 1 and fig. 1-3.
Table 1 test of efficacy
Figure BDA0004022397060000101
As can be seen from the test data in Table 1 and FIGS. 1-3, the green herbicide containing the cloquintocet-mexyl disclosed by the invention is equal to or better than a microemulsion preparation (comparative example 4) in efficacy although the green herbicide is not prepared into the microemulsion, compared with the microemulsion, the herbicide prepared by the invention greatly reduces the use amount of an organic solvent, is more green and environment-friendly, and compared with comparative examples 1-3, only the complexing agent and the auxiliary complexing agent are added at the same time, the efficacy can be normally exerted, and the complexing agent and the auxiliary complexing agent are proved to be organically combined together to play roles.
The invention has been described in terms of a limited number of preferred embodiments, which are specific and detailed, but are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.

Claims (8)

1. The green herbicide containing the cloquintocet-mexyl is characterized by comprising clodinafop-propargyl, a complexing agent, a synergistic complexing agent, a humectant, a safener, a surfactant and deionized water;
the complexing agent is selected from one of oxalic acid, tartaric acid and sodium citrate;
the synergistic complexing agent is selected from one of diethylene triamine penta sodium acetate and diethylene triamine penta sodium calcium acetate;
the safener is cloquintocet-mexyl;
the humectant is selected from one or more of isopropanol, trehalose and polyethylene glycol;
the surfactant is selected from one or more of alkyl glycoside, cocamidopropyl betaine and N-acyl sarcosinate.
2. The green herbicide containing cloquintocet-mexyl according to claim 1, which is characterized by comprising the following raw materials in percentage by mass:
clodinafop-propargyl 20%
Complexing agent 4-8%
2 to 4 percent of synergistic complexing agent
Humectant 2-4%
1-2% of safener
Surfactant 0.5-1%
And the balance of deionized water.
3. A green herbicide containing cloquintocet-mexyl as claimed in claim 2, wherein the complexing agent is tartaric acid.
4. A green herbicide containing cloquintocet-mexyl according to claim 2, wherein the synergistic complexing agent is sodium calcium diethylenetriamine pentaacetate.
5. A green herbicide containing cloquintocet-mexyl as claimed in claim 2, wherein the humectant is trehalose.
6. A green herbicide containing cloquintocet-mexyl as claimed in claim 2, wherein the surfactant is cocamidopropyl betaine.
7. The green herbicide containing cloquintocet-mexyl according to claim 2, which is characterized by comprising the following raw materials in percentage by mass:
clodinafop-propargyl 20%
Complexing agent 6%
Synergistic complexing agent 3%
Humectant 3%
Safeners 1.5%
Surfactant 0.75%
And the balance of deionized water.
8. The process for preparing a green herbicide containing cloquintocet-mexyl as claimed in any one of claims 1 to 7, comprising the steps of:
s1, adding half deionized water in a formula into a stirring tank A, adding clodinafop-propargyl, a complexing agent and a synergistic complexing agent according to the formula proportion, heating to 40-50 ℃, and stirring at 200-250rap/min until the clodinafop-propargyl, the complexing agent and the synergistic complexing agent are completely dissolved, wherein the material is A solution;
s2, adding the other half of deionized water in the formula into a stirring tank B, heating to 55-65 ℃, adding the safety agent in the formula proportion when the water temperature is higher than 55 ℃, stirring at a high speed of 400-500rap/min until the safety agent is completely dissolved, closing heating, suspending stirring, adding the humectant and the surfactant in the formula proportion when the temperature is reduced to 20-30 ℃, and stirring for 10min by adopting 300-600rap/min, wherein the material is the solution B;
s3, pumping the solution A into the solution B by a pump, and stirring the solution A until the solution A is completely dissolved at 300-500rap/min to obtain the green herbicide.
CN202211695893.7A 2022-12-28 2022-12-28 Green herbicide containing cloquintocet-mexyl and preparation process thereof Pending CN116172003A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101803601A (en) * 2010-04-21 2010-08-18 新沂市永诚化工有限公司 Clodinafop-propargyl microemulsion and preparation method thereof
CN104106569A (en) * 2014-07-30 2014-10-22 安徽省四达农药化工有限公司 Clodinafop-propargyl micro-emulsion, and preparation method and application method thereof
CN106538518A (en) * 2016-10-26 2017-03-29 安徽科技学院 A kind of clodinafop-propargylemulsion emulsion in water and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101803601A (en) * 2010-04-21 2010-08-18 新沂市永诚化工有限公司 Clodinafop-propargyl microemulsion and preparation method thereof
CN104106569A (en) * 2014-07-30 2014-10-22 安徽省四达农药化工有限公司 Clodinafop-propargyl micro-emulsion, and preparation method and application method thereof
CN106538518A (en) * 2016-10-26 2017-03-29 安徽科技学院 A kind of clodinafop-propargylemulsion emulsion in water and preparation method thereof

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