CN110754481A - Efficient herbicide for cotton field and preparation method thereof - Google Patents
Efficient herbicide for cotton field and preparation method 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
- 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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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
- A01N33/18—Nitro compounds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
- A01N35/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen
- A01N35/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen containing a carbon-to-nitrogen double bond
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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
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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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/707—1,2,3- or 1,2,4-triazines; Hydrogenated 1,2,3- or 1,2,4-triazines
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Abstract
The invention relates to the technical field of herbicide preparation methods, and provides a high-efficiency herbicide for cotton fields and a preparation method thereof, wherein metamitron and haloxyfop-R-methyl dispersible oil suspending agent are mixed according to the weight ratio of 33-36:1-2, and the metamitron and the haloxyfop-R-methyl dispersible oil suspending agent are mutually cooperated to inhibit the photosynthesis of weeds in the cotton fields, so that the growth and the propagation of the weeds are prevented; the sethoxydim and clethodim are cyclohexenone herbicides and can play a synergistic role with metamitron, so that the removal rate of broadleaf weeds in the cotton field is increased; the auxiliary agent comprises glyphosate, pyriminobac-methyl and trifluralin, can effectively enhance the removal rate of the herbicide on nightshade, chickweed and field bindweed in a cotton field, and can inhibit the growth of gramineous weeds, broadleaf weeds and cyperaceae weeds in the cotton field at a high removal rate through the synergistic effect of metamitron, high-efficiency haloxyfop, sethoxydim, clethodim, glyphosate, pyriminobac-methyl and trifluralin, and the weeding effect is good.
Description
Technical Field
The invention relates to the technical field of herbicide preparation methods, in particular to a high-efficiency herbicide for cotton fields and a preparation method thereof.
Background
Cotton is an important economic crop in China, but the harm of weeds in cotton fields in China is serious, so that the economic loss is as high as 14% -16%, and the cotton is a great obstacle for restricting the high-speed development of the cotton industry in China. At present, in the cotton field herbicides in China, the herbicides can be used for post-emergence herbicides of cotton, such as prometryn, carfentrazone-ethyl and the like, and although the herbicide controlling spectrum is wide, the practical requirements of cotton production cannot be well met due to damage to cotton. The safener can selectively protect crops, reduce the sensitivity of the crops to herbicides and not reduce the herbicidal activity, thereby increasing the safety of the crops and improving the weed control effect. However, broadleaf weed herbicides used on cotton have not been effective safeners to eliminate phytotoxicity.
The existing herbicide for cotton fields has an unsatisfactory weeding effect, and cannot effectively remove grassy weeds, broad-leaved weeds and sedge weeds (such as black nightshade and chickweed) in the cotton fields at the same time, so that a high-efficiency herbicide is urgently needed to be researched to effectively remove the weeds in the cotton fields.
Disclosure of Invention
Solves the technical problem
Aiming at the defects of the prior art, the invention provides a high-efficiency herbicide for cotton fields and a preparation method thereof, and solves the problems that the weeding effect of the existing herbicide for cotton fields is not ideal, and the grass family weeds, the broadleaf weeds and the sedge family weeds in the cotton fields can not be effectively removed at the same time.
Technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a high-efficiency herbicide for cotton fields and a preparation method thereof are disclosed, wherein the raw materials of the herbicide comprise: 30-35 parts of mixed medicament, 10-15 parts of auxiliary medicament, 5-6 parts of sethoxydim, 2-3 parts of clethodim, 8-12 parts of penetrating agent, 2-3 parts of dispersing agent, 3-5 parts of defoaming agent, 4-7 parts of stabilizing agent and a proper amount of deionized water;
wherein the mixed medicament is prepared by mixing metamitron and haloxyfop-R-methyl dispersible oil suspending agent according to the weight ratio of 33-36: 1-2.
Furthermore, the preparation method of the auxiliary medicament comprises the following steps:
(1) putting 6-8 parts of glyphosate, 2-4 parts of pyriminobac-sodium and 3-6 parts of trifluralin into a grinding instrument, grinding until the particle size is 0.01-0.05cm, and marking as mixed particles;
(2) and (2) putting the mixed particles into a reaction kettle, heating to 30-60 ℃, uniformly dispersing, adding 2-6 parts of vegetable oil, 2-3 parts of thickening agent, 1-4 parts of stabilizing agent and a proper amount of deionized water under a high-speed shearing state, mixing, and uniformly dispersing to obtain the auxiliary medicament.
Furthermore, the penetrating agent is one or more of alcohol ether succinate, siloxane polyoxyethylene ether, isobutyl alcohol and isooctyl alcohol. The penetrant has fixed hydrophilic and lipophilic groups, so that the penetrant can be directionally arranged on the surface of the solution and the surface tension can be obviously reduced, thereby playing a better role in penetration.
Furthermore, the dispersant is stearic acid monoglyceride or hexenyl bisstearamide.
Further, the defoamer is selected from dimethyl siloxane, so that the defoaming agent can remove foams in the herbicide through the action of the defoamer to enable the molecules in the herbicide suspension to be more closely arranged.
Furthermore, the stabilizer is butyl hydroxy anisole or epichlorohydrin.
Further, the method comprises the following preparation steps:
s1, adding the mixed medicament, the auxiliary medicament, the sethoxydim, the clethodim, the dispersing agent and the stabilizing agent into a reaction kettle according to the weight ratio, stirring for 10-20min at the temperature of 40-60 ℃, wherein the stirring speed is 1000-1500r/min, and the obtained mixture is marked as a mixed component;
s2, adding a penetrating agent and a defoaming agent into the mixed component obtained in the S1, and stirring for 30-40min at the temperature of 40-60 ℃;
s3, filtering the mixed components treated by the S2, and removing residues to obtain the high-efficiency herbicide for the cotton field;
and S4, sampling and detecting the high-efficiency herbicide for the cotton field in the S3, and packaging after the detection is qualified.
Further, the stirring speed in S2 is 1200-2000 r/min.
Advantageous effects
The invention provides a high-efficiency herbicide for cotton fields and a preparation method thereof, and compared with the prior art, the high-efficiency herbicide has the following beneficial effects:
the main raw materials of the high-efficiency herbicide for the cotton fields are metamitron and high-efficiency haloxyfop-methyl dispersible oil suspending agent, and the high-efficiency herbicide can inhibit the photosynthesis of weeds in the cotton fields, so that the growth and the multiplication of the weeds are prevented; the sethoxydim and clethodim are cyclohexenone herbicides and can play a synergistic role with metamitron, so that the removal rate of broadleaf weeds in the cotton field is increased; the auxiliary agent comprises glyphosate, pyriminobac-methyl and trifluralin, and can effectively enhance the removal rate of the herbicide on nightshade, chickweed and field bindweed in a cotton field, so that the growth of gramineous weeds, broadleaf weeds and cyperaceae weeds in the cotton field can be inhibited at a higher removal rate through the synergistic effect of metamitron, efficient haloxyfop, sethoxydim, clethodim, glyphosate, pyriminobac-methyl and trifluralin, the weeding effect is better, and the market popularization value is extremely good.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
in the high-efficiency herbicide for cotton fields and the preparation method thereof, the raw materials of the herbicide comprise: 30 parts of mixed medicament, 15 parts of auxiliary medicament, 5 parts of sethoxydim, 3 parts of clethodim, 10 parts of penetrating agent, 3 parts of dispersing agent, 4 parts of defoaming agent, 7 parts of stabilizing agent and a proper amount of deionized water;
wherein the mixed medicament is prepared by mixing metamitron and haloxyfop-R-methyl dispersible oil suspending agent according to the weight ratio of 33: 1.
Furthermore, the preparation method of the auxiliary medicament comprises the following steps:
(1) putting 7 parts of glyphosate, 4 parts of pyriminobac-sodium and 3 parts of trifluralin into a grinding instrument, grinding until the particle size is 0.01cm, and marking as mixed particles;
(2) and (3) putting the mixed particles into a reaction kettle, heating to 30 ℃, uniformly dispersing, adding 4 parts of vegetable oil, 2 parts of thickening agent, 1 part of stabilizing agent and a proper amount of deionized water under a high-speed shearing state, mixing, and uniformly dispersing to obtain the auxiliary agent.
Furthermore, the penetrating agent is one or more of alcohol ether succinate, siloxane polyoxyethylene ether, isobutyl alcohol and isooctyl alcohol. The penetrant has fixed hydrophilic and lipophilic groups, so that the penetrant can be directionally arranged on the surface of the solution and the surface tension can be obviously reduced, thereby playing a better role in penetration.
Furthermore, the dispersant is stearic acid monoglyceride or hexenyl bisstearamide.
Furthermore, the defoamer is selected from dimethyl siloxane, so that the defoaming agent can remove foams in the herbicide through the action of the defoamer to enable the molecules in the herbicide suspension to be more closely arranged.
Furthermore, butyl hydroxy anisole or epichlorohydrin is selected as the stabilizer.
Further, the method comprises the following preparation steps:
s1, adding the mixed medicament, the auxiliary medicament, the sethoxydim, the clethodim, the dispersing agent and the stabilizing agent into a reaction kettle according to the weight ratio, stirring for 10min at the temperature of 50 ℃, wherein the stirring speed is 1000r/min, and the obtained mixture is recorded as a mixed component;
s2, adding a penetrating agent and a defoaming agent into the mixed component obtained in the S1, and stirring for 35min at the temperature of 40 ℃;
s3, filtering the mixed components treated by the S2, and removing residues to obtain the high-efficiency herbicide for the cotton field;
and S4, sampling and detecting the high-efficiency herbicide for the cotton field in the S3, and packaging after the detection is qualified.
Further, the stirring speed in S2 was 2000 r/min.
Example 2:
in the high-efficiency herbicide for cotton fields and the preparation method thereof, the raw materials of the herbicide comprise: 33 parts of mixed medicament, 10 parts of auxiliary medicament, 6 parts of sethoxydim, 2 parts of clethodim, 12 parts of penetrating agent, 2 parts of dispersing agent, 3 parts of defoaming agent, 5 parts of stabilizing agent and a proper amount of deionized water;
wherein the mixed medicament is prepared by mixing metamitron and haloxyfop-R-methyl dispersible oil suspending agent according to the weight ratio of 35: 1.
Furthermore, the preparation method of the auxiliary medicament comprises the following steps:
(1) putting 6 parts of glyphosate, 3 parts of pyriminobac-sodium and 6 parts of trifluralin into a grinding instrument, grinding until the particle size is 0.03cm, and marking the obtained mixture as mixed particles;
(2) and (3) putting the mixed particles into a reaction kettle, heating to 45 ℃, uniformly dispersing, adding 2 parts of vegetable oil, 3 parts of thickening agent, 4 parts of stabilizing agent and a proper amount of deionized water under a high-speed shearing state, mixing, and uniformly dispersing to obtain the auxiliary agent.
Furthermore, the penetrating agent is one or more of alcohol ether succinate, siloxane polyoxyethylene ether, isobutyl alcohol and isooctyl alcohol. The penetrant has fixed hydrophilic and lipophilic groups, so that the penetrant can be directionally arranged on the surface of the solution and the surface tension can be obviously reduced, thereby playing a better role in penetration.
Furthermore, the dispersant is stearic acid monoglyceride or hexenyl bisstearamide.
Furthermore, the defoamer is selected from dimethyl siloxane, so that the defoaming agent can remove foams in the herbicide through the action of the defoamer to enable the molecules in the herbicide suspension to be more closely arranged.
Furthermore, butyl hydroxy anisole or epichlorohydrin is selected as the stabilizer.
Further, the method comprises the following preparation steps:
s1, adding the mixed medicament, the auxiliary medicament, the sethoxydim, the clethodim, the dispersing agent and the stabilizing agent into a reaction kettle according to the weight ratio, stirring for 20min at the temperature of 60 ℃, and keeping the stirring speed at 1200r/min to obtain mixed components;
s2, adding a penetrating agent and a defoaming agent into the mixed component obtained in the S1, and stirring for 40min at the temperature of 50 ℃;
s3, filtering the mixed components treated by the S2, and removing residues to obtain the high-efficiency herbicide for the cotton field;
and S4, sampling and detecting the high-efficiency herbicide for the cotton field in the S3, and packaging after the detection is qualified.
Further, the stirring speed in S2 was 16000 r/min.
Example 3:
in the high-efficiency herbicide for cotton fields and the preparation method thereof, the raw materials of the herbicide comprise: 35 parts of mixed medicament, 12 parts of auxiliary medicament, 6 parts of standing grain, 3 parts of clethodim, 8 parts of penetrating agent, 2 parts of dispersing agent, 5 parts of defoaming agent, 4 parts of stabilizing agent and a proper amount of deionized water;
wherein the mixed medicament is prepared by mixing metamitron and haloxyfop-R-methyl dispersible oil suspending agent according to the weight ratio of 36: 2.
Furthermore, the preparation method of the auxiliary medicament comprises the following steps:
(1) putting 8 parts of glyphosate, 2 parts of pyriminobac-sodium and 5 parts of trifluralin into a grinding instrument, grinding until the particle size is 0.05cm, and marking as mixed particles;
(2) and (3) putting the mixed particles into a reaction kettle, heating to 60 ℃, uniformly dispersing, adding 6 parts of vegetable oil, 3 parts of thickening agent, 3 parts of stabilizing agent and a proper amount of deionized water under a high-speed shearing state, mixing, and uniformly dispersing to obtain the auxiliary agent.
Furthermore, the penetrating agent is one or more of alcohol ether succinate, siloxane polyoxyethylene ether, isobutyl alcohol and isooctyl alcohol. The penetrant has fixed hydrophilic and lipophilic groups, so that the penetrant can be directionally arranged on the surface of the solution and the surface tension can be obviously reduced, thereby playing a better role in penetration.
Furthermore, the dispersant is stearic acid monoglyceride or hexenyl bisstearamide.
Furthermore, the defoamer is selected from dimethyl siloxane, so that the defoaming agent can remove foams in the herbicide through the action of the defoamer to enable the molecules in the herbicide suspension to be more closely arranged.
Furthermore, butyl hydroxy anisole or epichlorohydrin is selected as the stabilizer.
Further, the method comprises the following preparation steps:
s1, adding the mixed medicament, the auxiliary medicament, the sethoxydim, the clethodim, the dispersing agent and the stabilizing agent into a reaction kettle according to the weight ratio, stirring for 15min at the temperature of 40 ℃, wherein the stirring speed is 1500r/min, and the obtained mixture is recorded as a mixed component;
s2, adding a penetrating agent and a defoaming agent into the mixed component obtained in the S1, and stirring for 30min at the temperature of 60 ℃;
s3, filtering the mixed components treated by the S2, and removing residues to obtain the high-efficiency herbicide for the cotton field;
and S4, sampling and detecting the high-efficiency herbicide for the cotton field in the S3, and packaging after the detection is qualified.
Further, the stirring speed in S2 was 1200 r/min.
Experimental results and analysis:
commercially available cotton field herbicides (comparative) and the herbicides prepared by examples 1, 2 and 3 of the present invention (examples) were formulated as suspensions at a concentration of 550g/L and diluted to 3000 times. Then, the weeds in the cotton field are prevented, and the control effect data of the weeds in the cotton field 15 days after the application of the herbicide are recorded as follows:
| black nightshade control (%) | Chickweed control effect (%) | Field bindweed control effect (%) | Control effect of wild watermelon seedling (%) | Monochoria vaginalis control effect (%) | Total weed control (%) | |
| Comparative example | 38.67 | 40.36 | 50.78 | 46.68 | 50.68 | 51.54 |
| Example 1 | 98.65 | 90.58 | 96.25 | 97.65 | 93.58 | 95.36 |
| Example 2 | 99.65 | 91.56 | 96.35 | 96.35 | 93.64 | 96.36 |
| Example 3 | 99.35 | 93.58 | 95.38 | 97.89 | 91.38 | 95.98 |
The test result shows that: compared with the commercially sold herbicide for cotton fields, the herbicide prepared by the invention has better killing and removing effects on annual gramineous, broadleaf and sedge weeds in the cotton fields, has more obvious effect, wider weeding range and excellent market popularization value.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. An efficient herbicide for cotton fields, which is characterized by comprising the following raw materials: 30-35 parts of mixed medicament, 10-15 parts of auxiliary medicament, 5-6 parts of sethoxydim, 2-3 parts of clethodim, 8-12 parts of penetrating agent, 2-3 parts of dispersing agent, 3-5 parts of defoaming agent, 4-7 parts of stabilizing agent and a proper amount of deionized water;
wherein the mixed medicament is prepared by mixing metamitron and haloxyfop-R-methyl dispersible oil suspending agent according to the weight ratio of 33-36: 1-2.
2. The efficient herbicide as claimed in claim 1, wherein the auxiliary agent is prepared by the following steps:
(1) putting 6-8 parts of glyphosate, 2-4 parts of pyriminobac-sodium and 3-6 parts of trifluralin into a grinding instrument, grinding until the particle size is 0.01-0.05cm, and marking as mixed particles;
(2) and (2) putting the mixed particles into a reaction kettle, heating to 30-60 ℃, uniformly dispersing, adding 2-6 parts of vegetable oil, 2-3 parts of thickening agent, 1-4 parts of stabilizing agent and a proper amount of deionized water under a high-speed shearing state, mixing, and uniformly dispersing to obtain the auxiliary medicament.
3. The efficient herbicide as claimed in claim 1, wherein said penetrant is selected from one or more of alcohol ether succinate, silicone polyoxyethylene ether, isobutanol and isooctanol.
4. A highly effective herbicide as claimed in claim 1, wherein said dispersant is glyceryl monostearate or hexenyl distearamide.
5. A highly effective herbicide as claimed in claim 1, wherein said antifoaming agent is dimethyl siloxane.
6. The efficient herbicide as claimed in claim 1, wherein said stabilizer is selected from the group consisting of butylated hydroxyanisole and epichlorohydrin.
7. The preparation method of the high-efficiency herbicide for cotton fields according to claim 1, which comprises the following preparation steps:
s1, adding the mixed medicament, the auxiliary medicament, the sethoxydim, the clethodim, the dispersing agent and the stabilizing agent into a reaction kettle according to the weight ratio, stirring for 10-20min at the temperature of 40-60 ℃, wherein the stirring speed is 1000-1500r/min, and the obtained mixture is marked as a mixed component;
s2, adding a penetrating agent and a defoaming agent into the mixed component obtained in the S1, and stirring for 30-40min at the temperature of 40-60 ℃;
s3, filtering the mixed components treated by the S2, and removing residues to obtain the high-efficiency herbicide for the cotton field;
and S4, sampling and detecting the high-efficiency herbicide for the cotton field in the S3, and packaging after the detection is qualified.
8. The method for preparing a high-efficiency herbicide for cotton fields as claimed in claim 7, wherein the stirring speed in S2 is 1200-2000 r/min.
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| US5629262A (en) * | 1995-10-27 | 1997-05-13 | Basf Corporation | Method for controlling grass weeds comprising administering synergistic amounts of two cyclohexenone herbicides |
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