CN113749099A - Herbicide without inhibiting problem on crops and preparation method thereof - Google Patents
Herbicide without inhibiting problem on crops and preparation method thereof Download PDFInfo
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- CN113749099A CN113749099A CN202111042235.3A CN202111042235A CN113749099A CN 113749099 A CN113749099 A CN 113749099A CN 202111042235 A CN202111042235 A CN 202111042235A CN 113749099 A CN113749099 A CN 113749099A
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- 239000004009 herbicide Substances 0.000 title claims abstract description 39
- 230000002363 herbicidal effect Effects 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims description 12
- 230000002401 inhibitory effect Effects 0.000 title abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 35
- WMLPCIHUFDKWJU-UHFFFAOYSA-N Cinosulfuron Chemical compound COCCOC1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(OC)=NC(OC)=N1 WMLPCIHUFDKWJU-UHFFFAOYSA-N 0.000 claims abstract description 19
- YLPGTOIOYRQOHV-UHFFFAOYSA-N Pretilachlor Chemical compound CCCOCCN(C(=O)CCl)C1=C(CC)C=CC=C1CC YLPGTOIOYRQOHV-UHFFFAOYSA-N 0.000 claims abstract description 19
- HKPHPIREJKHECO-UHFFFAOYSA-N butachlor Chemical compound CCCCOCN(C(=O)CCl)C1=C(CC)C=CC=C1CC HKPHPIREJKHECO-UHFFFAOYSA-N 0.000 claims abstract description 19
- XIGAUIHYSDTJHW-UHFFFAOYSA-N mefenacet Chemical compound N=1C2=CC=CC=C2SC=1OCC(=O)N(C)C1=CC=CC=C1 XIGAUIHYSDTJHW-UHFFFAOYSA-N 0.000 claims abstract description 19
- FFSSWMQPCJRCRV-UHFFFAOYSA-N quinclorac Chemical compound ClC1=CN=C2C(C(=O)O)=C(Cl)C=CC2=C1 FFSSWMQPCJRCRV-UHFFFAOYSA-N 0.000 claims abstract description 19
- OORLZFUTLGXMEF-UHFFFAOYSA-N sulfentrazone Chemical compound O=C1N(C(F)F)C(C)=NN1C1=CC(NS(C)(=O)=O)=C(Cl)C=C1Cl OORLZFUTLGXMEF-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229920001285 xanthan gum Polymers 0.000 claims abstract description 19
- 229940082509 xanthan gum Drugs 0.000 claims abstract description 19
- 235000010493 xanthan gum Nutrition 0.000 claims abstract description 19
- 239000000230 xanthan gum Substances 0.000 claims abstract description 19
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 7
- 230000005764 inhibitory process Effects 0.000 claims abstract description 7
- -1 polyoxyethylene Polymers 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 66
- 238000002156 mixing Methods 0.000 claims description 48
- 239000000203 mixture Substances 0.000 claims description 37
- 238000004806 packaging method and process Methods 0.000 claims description 12
- 239000003153 chemical reaction reagent Substances 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 238000010410 dusting Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000000375 suspending agent Substances 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 3
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 238000009472 formulation Methods 0.000 claims 1
- 241000196324 Embryophyta Species 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 description 5
- 239000003814 drug Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 239000001166 ammonium sulphate Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000009036 growth inhibition Effects 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000009333 weeding Methods 0.000 description 1
Classifications
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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
- A01N43/42—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 condensed with carbocyclic 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
- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/02—Acyclic compounds
-
- 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
- A01N37/18—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 the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
- A01N37/22—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 the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
-
- 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
- A01N37/18—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 the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
- A01N37/26—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 the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof containing the group; Thio analogues 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
- 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
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/78—1,3-Thiazoles; Hydrogenated 1,3-thiazoles
-
- 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
-
- 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
- A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a herbicide which does not cause inhibition problem to crops, comprising the following components in parts by weight: 2-5 parts of quinclorac, 3-4 parts of sulfentrazone, 1-3 parts of cinosulfuron, 3-5 parts of alkylphenol polyoxyethylene, 1-3 parts of xanthan gum, 4-6 parts of mefenacet, 1-4 parts of butachlor, 7-9 parts of pretilachlor and 10-20 parts of a carrier. The invention also provides a method for preparing the herbicide by using the components. By adopting the method provided by the invention to prepare the herbicide, the purpose of inhibiting the growth of weeds is achieved, adverse effects on crops are avoided, the functionality is strong, and the method can be widely applied to the technical field of herbicides.
Description
Technical Field
The invention relates to the field of herbicides, in particular to a herbicide which does not cause inhibition problem to crops and a preparation method thereof.
Background
The herbicide in the prior art generally realizes the spraying process through forms such as spraying in the specific use process, and needs to know the weather condition in the use process, thereby ensuring that the liquid medicine stays for a longer time on the corresponding plots of crops, and further realizing the function of fully utilizing the pesticide effect of the liquid medicine. However, the method has a certain disadvantage that the adaptability is narrow in the using process, the method can only be applied to limited weeds, and the aim of being applicable to different types of crops cannot be achieved.
Therefore, a technique capable of solving the above-described problems has yet to be proposed.
Disclosure of Invention
In order to solve the problems, the invention provides a herbicide which can treat different weeds and does not cause any influence on crops.
The technical scheme provided by the invention is as follows:
a herbicide without inhibiting problems on crops comprises the following components in parts by weight:
2-5 parts of quinclorac, 3-4 parts of sulfentrazone, 1-3 parts of cinosulfuron, 3-5 parts of alkylphenol polyoxyethylene, 1-3 parts of xanthan gum, 4-6 parts of mefenacet, 1-4 parts of butachlor, 7-9 parts of pretilachlor and 10-20 parts of a carrier.
Further, the carrier comprises urea and crystalline ammonium sulfate.
Further, the feed comprises the following components in parts by weight:
2 parts of quinclorac, 3 parts of sulfentrazone, 1 part of cinosulfuron, 3 parts of alkylphenol ethoxylates, 1 part of xanthan gum, 4 parts of mefenacet, 1 part of butachlor, 7 parts of pretilachlor and 10 parts of a carrier.
Further, the feed comprises the following components in parts by weight:
5 parts of quinclorac, 4 parts of sulfentrazone, 3 parts of cinosulfuron, 5 parts of alkylphenol ethoxylate, 3 parts of xanthan gum, 6 parts of mefenacet, 4 parts of butachlor, 9 parts of pretilachlor and 20 parts of carrier.
Further, the feed comprises the following components in parts by weight:
3.5 parts of quinclorac, 3.5 parts of sulfentrazone, 2 parts of cinosulfuron, 3.5 parts of alkylphenol polyoxyethylene, 2 parts of xanthan gum, 5 parts of mefenacet, 2.5 parts of butachlor, 8 parts of pretilachlor and 15 parts of a carrier.
The invention also provides a technical scheme that:
a process for the preparation of a herbicide as described above, comprising the following implementation steps:
1) respectively feeding a certain amount of quinclorac, sulfentrazone, cinosulfuron, alkylphenol ethoxylates, xanthan gum, mefenacet, butachlor, pretilachlor and a carrier into a stirring tank, setting the stirring speed, and then stirring and mixing;
2) pumping the mixture formed by stirring in the step 1) into a dosing stirring drum through a reagent metering pump, so as to realize a secondary mixing process and improve the mixing uniformity among the components;
3) stirring the mixed substances in the step 2) again, taking the standing for a preset time as a reference that no precipitation occurs, increasing the mixing degree by intermittently adding a dispersing agent daily in the mixing process, and selectively adding a suspending agent to adjust the mixing degree of the mixture;
4) mixing the mixture formed in the step 3) for the second time, and adding the mixture into a dusting powder stirring roller for stirring and mixing again;
5) feeding the mixture formed in the step 4) into a packaging machine for packaging, and then placing the mixture into a cool and dry place for storage.
Further, when the stirring is performed in step 2), the stirring is performed by a variable speed stirring method.
Compared with the prior art, the invention has the advantages that:
the herbicide for weeding prepared from the components provided by the invention can inhibit the growth of weeds, does not cause adverse effect on crops, and has wide application range;
by adopting the preparation method provided by the invention to carry out the preparation process of the herbicide, the medicine property stability of the herbicide can be improved, the efficiency of the herbicide suitable for different weather conditions can be improved, and the herbicide is high in functionality.
Detailed Description
The present invention will be described in further detail with reference to examples.
A herbicide without inhibiting problems on crops comprises the following components in parts by weight:
2-5 parts of quinclorac, 3-4 parts of sulfentrazone, 1-3 parts of cinosulfuron, 3-5 parts of alkylphenol polyoxyethylene, 1-3 parts of xanthan gum, 4-6 parts of mefenacet, 1-4 parts of butachlor, 7-9 parts of pretilachlor and 10-20 parts of a carrier.
The carrier comprises urea and crystalline ammonium sulphate.
The process of preparing the herbicide by using the components mainly comprises the following implementation processes:
1) respectively feeding a certain amount of quinclorac, sulfentrazone, cinosulfuron, alkylphenol ethoxylates, xanthan gum, mefenacet, butachlor, pretilachlor and a carrier into a stirring tank, setting the stirring speed, and then stirring and mixing;
2) pumping the mixture formed by stirring in the step 1) into a dosing stirring drum through a reagent metering pump, so as to realize a secondary mixing process and improve the mixing uniformity among the components;
3) stirring the mixed substances in the step 2) again, taking the standing for a preset time as a reference that no precipitation occurs, increasing the mixing degree by intermittently adding a dispersing agent daily in the mixing process, and selectively adding a suspending agent to adjust the mixing degree of the mixture;
4) mixing the mixture formed in the step 3) for the second time, and adding the mixture into a dusting powder stirring roller for stirring and mixing again;
5) feeding the mixture formed in the step 4) into a packaging machine for packaging, and then placing the mixture into a cool and dry place for storage.
When stirring is performed in step 2), stirring is performed by a variable speed stirring method.
The present invention will be described in detail below with reference to specific examples.
A herbicide without inhibiting problems on crops comprises the following components in parts by weight:
2 parts of quinclorac, 3 parts of sulfentrazone, 1 part of cinosulfuron, 3 parts of alkylphenol ethoxylates, 1 part of xanthan gum, 4 parts of mefenacet, 1 part of butachlor, 7 parts of pretilachlor and 10 parts of a carrier.
When the components are used for preparation, the method comprises the following implementation steps:
1) respectively feeding a certain amount of quinclorac, sulfentrazone, cinosulfuron, alkylphenol ethoxylates, xanthan gum, mefenacet, butachlor, pretilachlor and a carrier into a stirring tank, setting the stirring speed, and then stirring and mixing;
2) pumping the mixture formed by stirring in the step 1) into a dosing stirring drum through a reagent metering pump, so as to realize a secondary mixing process and improve the mixing uniformity among the components;
3) stirring the mixed substances in the step 2) again, taking the standing for a preset time as a reference that no precipitation occurs, increasing the mixing degree by intermittently adding a dispersing agent daily in the mixing process, and selectively adding a suspending agent to adjust the mixing degree of the mixture;
4) mixing the mixture formed in the step 3) for the second time, and adding the mixture into a dusting powder stirring roller for stirring and mixing again;
5) feeding the mixture formed in the step 4) into a packaging machine for packaging, and then placing the mixture into a cool and dry place for storage.
When stirring is performed in step 2), stirring is performed by a variable speed stirring method.
Example two
A herbicide without inhibiting problems on crops comprises the following components in parts by weight:
5 parts of quinclorac, 4 parts of sulfentrazone, 3 parts of cinosulfuron, 5 parts of alkylphenol ethoxylate, 3 parts of xanthan gum, 6 parts of mefenacet, 4 parts of butachlor, 9 parts of pretilachlor and 20 parts of carrier.
When the components are used for preparation, the method comprises the following implementation steps:
1) respectively feeding a certain amount of quinclorac, sulfentrazone, cinosulfuron, alkylphenol ethoxylates, xanthan gum, mefenacet, butachlor, pretilachlor and a carrier into a stirring tank, setting the stirring speed, and then stirring and mixing;
2) pumping the mixture formed by stirring in the step 1) into a dosing stirring drum through a reagent metering pump, so as to realize a secondary mixing process and improve the mixing uniformity among the components;
3) stirring the mixed substances in the step 2) again, taking the standing for a preset time as a reference that no precipitation occurs, increasing the mixing degree by intermittently adding a dispersing agent daily in the mixing process, and selectively adding a suspending agent to adjust the mixing degree of the mixture;
4) mixing the mixture formed in the step 3) for the second time, and adding the mixture into a dusting powder stirring roller for stirring and mixing again;
5) feeding the mixture formed in the step 4) into a packaging machine for packaging, and then placing the mixture into a cool and dry place for storage.
When stirring is performed in step 2), stirring is performed by a variable speed stirring method.
EXAMPLE III
A herbicide without inhibiting problems on crops comprises the following components in parts by weight:
3.5 parts of quinclorac, 3.5 parts of sulfentrazone, 2 parts of cinosulfuron, 3.5 parts of alkylphenol polyoxyethylene, 2 parts of xanthan gum, 5 parts of mefenacet, 2.5 parts of butachlor, 8 parts of pretilachlor and 15 parts of a carrier.
When the components are used for preparation, the preparation method comprises the following preparation processes:
1) respectively feeding a certain amount of quinclorac, sulfentrazone, cinosulfuron, alkylphenol ethoxylates, xanthan gum, mefenacet, butachlor, pretilachlor and a carrier into a stirring tank, setting the stirring speed, and then stirring and mixing;
2) pumping the mixture formed by stirring in the step 1) into a dosing stirring drum through a reagent metering pump, so as to realize a secondary mixing process and improve the mixing uniformity among the components;
3) stirring the mixed substances in the step 2) again, taking the standing for a preset time as a reference that no precipitation occurs, increasing the mixing degree by intermittently adding a dispersing agent daily in the mixing process, and selectively adding a suspending agent to adjust the mixing degree of the mixture;
4) mixing the mixture formed in the step 3) for the second time, and adding the mixture into a dusting powder stirring roller for stirring and mixing again;
5) feeding the mixture formed in the step 4) into a packaging machine for packaging, and then placing the mixture into a cool and dry place for storage.
When stirring is performed in step 2), stirring is performed by a variable speed stirring method.
Example four
In this example, the herbicide formed by the present invention was subjected to verification of the efficacy.
Three crop planting areas with the same area on the same land are respectively selected for verification, specifically an experimental group, a blank group and a control group, wherein the experimental group is sprayed with the herbicide provided by the invention, the blank group is sprayed with water, and the control group is sprayed with the herbicide commonly used in the prior art.
In the process of respectively diluting the herbicide provided by the invention into pesticide, the herbicide is sprayed on the plots corresponding to the experimental group, meanwhile, the same amount of water is sprayed on the blank group, the herbicide in the prior art is diluted and then sprayed on the control group, three groups are simultaneously carried out, and the growth conditions of crops and weeds on the plots are recorded in different time periods.
The test results show that the weed can be removed by adopting the formula provided by the invention, so that a more thorough effect can be obtained, and the influence on crops can not be caused; however, the growth of the crops in the control group has a certain growth inhibition tendency, weeds are controlled to a certain extent, and the growth of the weeds in the blank group in the three groups is most flourishing.
EXAMPLE five
In this embodiment, an experimental group two, a blank group two and a control group two are respectively added, wherein the experimental group is used for spraying the herbicide provided by the present invention on the land areas where different crops are located, the blank group two is used for spraying clear water on different land areas, the control group two is used for spraying the herbicide in the prior art on different crops, and then the crop and weed removal effects are observed after a period of time.
Experiments show that the herbicide provided by the invention can inhibit different weeds in different crops, and does not have certain influence on the crops; however, some weeds in the control group were not inhibited, while weed growth was most vigorous in the blank group.
In conclusion, the herbicide provided by the invention not only achieves the aim of eradicating different types of weeds, but also does not cause adverse effect on crops, and has strong functionality.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiments shown in the examples are only one of the embodiments of the present invention, and the actual content is not limited thereto. In summary, those skilled in the art should appreciate that embodiments and examples similar to those of the present invention can be devised without departing from the spirit and scope of the invention.
Claims (7)
1. The herbicide which does not cause inhibition problem to crops is characterized by comprising the following components in parts by weight:
2-5 parts of quinclorac, 3-4 parts of sulfentrazone, 1-3 parts of cinosulfuron, 3-5 parts of alkylphenol polyoxyethylene, 1-3 parts of xanthan gum, 4-6 parts of mefenacet, 1-4 parts of butachlor, 7-9 parts of pretilachlor and 10-20 parts of a carrier.
2. A herbicide formulation which does not pose an inhibition problem to crops as claimed in claim 1, wherein said carrier comprises urea and crystalline ammonium sulfate.
3. The herbicide which does not cause inhibition problem to crops is characterized by comprising the following components in parts by weight:
2 parts of quinclorac, 3 parts of sulfentrazone, 1 part of cinosulfuron, 3 parts of alkylphenol ethoxylates, 1 part of xanthan gum, 4 parts of mefenacet, 1 part of butachlor, 7 parts of pretilachlor and 10 parts of a carrier.
4. The herbicide which does not cause inhibition problem to crops is characterized by comprising the following components in parts by weight:
5 parts of quinclorac, 4 parts of sulfentrazone, 3 parts of cinosulfuron, 5 parts of alkylphenol ethoxylate, 3 parts of xanthan gum, 6 parts of mefenacet, 4 parts of butachlor, 9 parts of pretilachlor and 20 parts of carrier.
5. The herbicide which does not cause inhibition problem to crops is characterized by comprising the following components in parts by weight:
3.5 parts of quinclorac, 3.5 parts of sulfentrazone, 2 parts of cinosulfuron, 3.5 parts of alkylphenol polyoxyethylene, 2 parts of xanthan gum, 5 parts of mefenacet, 2.5 parts of butachlor, 8 parts of pretilachlor and 15 parts of a carrier.
6. A process for the preparation of a herbicide as claimed in any of claims 1 to 5, comprising the following implementation steps:
1) respectively feeding a certain amount of quinclorac, sulfentrazone, cinosulfuron, alkylphenol ethoxylates, xanthan gum, mefenacet, butachlor, pretilachlor and a carrier into a stirring tank, setting the stirring speed, and then stirring and mixing;
2) pumping the mixture formed by stirring in the step 1) into a dosing stirring drum through a reagent metering pump, so as to realize a secondary mixing process and improve the mixing uniformity among the components;
3) stirring the mixed substances in the step 2) again, taking the standing for a preset time as a reference that no precipitation occurs, increasing the mixing degree by intermittently adding a dispersing agent daily in the mixing process, and selectively adding a suspending agent to adjust the mixing degree of the mixture;
4) mixing the mixture formed in the step 3) for the second time, and adding the mixture into a dusting powder stirring roller for stirring and mixing again;
5) feeding the mixture formed in the step 4) into a packaging machine for packaging, and then placing the mixture into a cool and dry place for storage.
7. The method for preparing a herbicide according to claim 6, wherein the stirring is performed by a variable speed stirring manner while the stirring is performed in the step 2).
Priority Applications (1)
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