CN111436451A - Topramezone, halosulfuron-methyl and mesotrione ternary compound composition and application thereof - Google Patents
Topramezone, halosulfuron-methyl and mesotrione ternary compound composition and application thereof Download PDFInfo
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- CN111436451A CN111436451A CN202010463100.3A CN202010463100A CN111436451A CN 111436451 A CN111436451 A CN 111436451A CN 202010463100 A CN202010463100 A CN 202010463100A CN 111436451 A CN111436451 A CN 111436451A
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- Prior art keywords
- topramezone
- methyl
- halosulfuron
- mesotrione
- composition
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
-
- 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
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
- A01N41/10—Sulfones; Sulfoxides
-
- 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
- A01N43/80—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 1,2
Abstract
The invention relates to the technical field of pesticides, and particularly relates to a topramezone, halosulfuron-methyl and mesotrione ternary compound composition and application thereof in preventing and removing weeds in corn fields, wherein the composition takes topramezone, halosulfuron-methyl and mesotrione as active ingredients, and the weight ratio of topramezone to halosulfuron-methyl to mesotrione is (2-6): (1-3): (20-50). According to the invention, three herbicides, namely the topramezone, the halosulfuron-methyl and the mesotrione, are reasonably compounded, so that the composition has an obvious synergistic effect, the control effect of the topramezone is effectively improved, the applicability of the topramezone is widened, the dosage of the pesticide is reduced, the frequency of dispensing is reduced, and the generation of pesticide resistance is delayed.
Description
Technical Field
The invention relates to the technical field of pesticides, and particularly relates to a topramezone, halosulfuron-methyl and mesotrione ternary compound composition and application thereof.
Background
At present, the herbicide for corn fields has weak broad spectrum, has few varieties of pesticides with applicability to sweet corn, waxy corn, cracked corn and the like, and the conventional herbicide for nicosulfuron and the like has low safety, slow weed killing speed and short duration, so that the corn cannot be prevented from being damaged by weeds.
Topramezone ([3- (4, 5-dihydro-3-isoxazolyl) -2-methyl-4- (methylsulfonyl) phenyl ] (5-hydroxy-1-methyl-1H-pyrazol-4-yl) ketone) is a novel hydroxyphenylpyruvate dioxygenase inhibitor (HPPD) herbicide, is a broad-spectrum post-emergence herbicide, and can effectively prevent and kill annual gramineous and broadleaf weeds and cyperaceae weeds in corn fields. After the corn seedlings are applied, sensitive weeds are absorbed by leaves and are conducted upwards and downwards in plants, albino poisoning symptoms appear within 2-5 days, the poisoning symptoms of growing points, internodes, leaves and veins are most obvious, albino tissues gradually die, the growth stops quickly, and the plants die within a few weeks. The molecular structure of topramezone is as follows:
despite the fact that topramezone has a certain releasing effect on corn field weeds, the problem of weed drug resistance and resistance evolution still needs to be faced when high-dose topramezone is continuously used for a long time.
Based on the composition, the composition containing topramezone is reasonably compounded, the herbicide control spectrum of the pesticide is expanded, the control effect is improved, and the drug resistance and drug resistance of weeds are delayed, so that the composition has important significance.
Disclosure of Invention
Aiming at the problem that the development of drug resistance and resistance of weeds is easily caused by the long-term continuous high-dose single use of topramezone, the invention provides a ternary compound composition of topramezone, halosulfuron-methyl and mesotrione and application thereof.
In a first aspect, the invention provides a topramezone, halosulfuron-methyl and mesotrione ternary compound composition, which takes topramezone, halosulfuron-methyl and mesotrione as active ingredients, wherein the weight ratio of topramezone, halosulfuron-methyl and mesotrione is (2-6): (1-3): (20-50).
Furthermore, the content of active ingredients in the composition is 5% -40%.
Furthermore, the composition takes topramezone, halosulfuron-methyl and mesotrione as active ingredients and auxiliary ingredients allowed by pesticides to be prepared into any one dosage form.
Furthermore, the preparation formulation comprises dispersible oil suspending agent, wettable powder and suspending emulsion.
Further, the auxiliary components comprise one or more of a surfactant, a thickening agent, an antifreezing agent, a solvent, a filler, a stabilizer, a safety agent, a coloring agent, a penetrating agent, an emulsifier, a synergist, a defoaming agent, a dispersing agent and a preservative, wherein,
the surfactant comprises anionic surfactant and nonionic surfactant, wherein the anionic surfactant is selected from alkyl benzene sulfonate, lignosulfonate, alkyl sulfate, phosphate ester salt, naphthalene sulfonate and sulfonate formaldehyde condensate, and the nonionic surfactant is selected from fatty alcohol ether, alkyl phenol ether, alkylamine ether, alkoxylate such as polyether and the like, fatty alcohol ester such as glyceride and polyol ester;
the thickener comprises xanthan gum and sodium carboxymethyl starch;
the antifreezing agent comprises ethylene glycol, glycerol and urea;
the solvent comprises xylene, N-methyl pyrrolidone, soybean oil, water and methyl oleate;
the filler comprises kaolin, bentonite, attapulgite, calcium carbonate, sodium sulfate and white carbon black;
the emulsifier comprises calcium dodecyl sulfonate, styryl phenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, castor oil polyoxyethylene ether, polyoxyethylene polyoxypropylene block copolymer and isomeric tridecanol polyoxyethylene ether;
the defoaming agent comprises an organic silicon defoaming agent;
the dispersant comprises naphthalene sulfonate dispersant and phosphate dispersant;
the preservative comprises cason.
Further, the composition is 38% of topramezone-halosulfuron-methyl mesotrione wettable powder, the active ingredients of the wettable powder comprise 2% of topramezone, 1% of halosulfuron-methyl and 35% of mesotrione in percentage by weight, and the auxiliary ingredients comprise 3% of fatty alcohol-polyoxyethylene ether, 9% of naphthalenesulfonate dispersant, 10% of sodium sulfate, 10% of white carbon black and 30% of kaolin in percentage by weight.
Further, the preparation method of the wettable powder comprises the following steps: adsorbing and standing the topramezone and the white carbon black for 24 hours according to the proportion, uniformly mixing all the components according to the proportion, and passing the mixture through a jet mill until the average particle size D90 of the material is less than 5 mu m to obtain 38% topramezone-halosulfuron-methyl mesotrione wettable powder.
In a second aspect, the invention provides application of a ternary compound composition of topramezone, halosulfuron-methyl and mesotrione in preventing and removing weeds in a corn field.
Further, the weeds are barnyard grass.
The beneficial effect of the invention is that,
the pesticide composition containing topramezone, halosulfuron-methyl and mesotrione provided by the invention has a good preventing and removing effect on weeds in a corn field, is safe for target crops and succeeding crops, improves the pesticide effect after compounding, and prolongs the lasting period; the composition can effectively reduce the dosage and frequency of field pesticide application, reduces the risk of pest resistance caused by long-term use of a single pesticide, and has important significance for field comprehensive control.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present invention, 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 only a part of the embodiments of the present invention, and not all 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 123% Topramezone-halosulfuron-methyl mesotrione dispersible oil suspension concentrate
23% of topramezone-halosulfuron-methyl mesotrione dispersible oil suspending agent, which comprises 2% of topramezone, 1% of halosulfuron-methyl, 20% of mesotrione, 8% of calcium dodecyl sulfonate, 7% of styrylphenol polyoxyethylene ether, 3% of fatty alcohol polyoxyethylene ether, 3% of organic bentonite and methyl oleate in balance by weight;
the preparation method comprises the following steps: the components are uniformly mixed according to the proportion, and ground by a vertical sand mill until the average particle diameter D90 of the material is less than 5 mu m, thus obtaining the 23 percent topramezone-halosulfuron-methyl sulcotrione dispersible oil suspending agent (2: 1: 20).
Example 225% Topramezone Chlorosulfuron methyl mesotrione dispersible oil suspending agent
The 25% topramezone-halosulfuron-methyl-mesotrione dispersible oil suspending agent comprises, by weight, 4% of topramezone, 1% of halosulfuron-methyl, 20% of mesotrione, 5% of calcium dodecyl sulfonate, 4% of castor oil polyoxyethylene ether, 3% of polyoxyethylene polyoxypropylene block copolymer, 0.1% of organic silicon defoamer, 3% of organic bentonite and the balance soybean oil;
the preparation method comprises the following steps: the components are uniformly mixed according to the proportion, and are ground by a vertical sand mill until the average particle diameter D90 of the material is less than 5 mu m, thus obtaining the 25 percent topramezone-halosulfuron-methyl sulcotrione dispersible oil suspending agent (4: 1: 20).
Example 338% wettable powder of topramezone-halosulfuron-methyl mesotrione
38% of topramezone-halosulfuron-methyl-mesotrione wettable powder, which comprises 2% of topramezone, 1% of halosulfuron-methyl, 35% of mesotrione, 3% of fatty alcohol-polyoxyethylene ether, 9% of naphthalenesulfonate dispersant (MORFETD 425), 10% of sodium sulfate, 10% of white carbon black and the balance of kaolin in percentage by weight;
the preparation method comprises the following steps: adsorbing and standing the topramezone and the white carbon black for 24 hours according to the proportion, uniformly mixing all the components according to the proportion, and passing the mixture through a jet mill until the average particle size D90 of the material is less than 5 mu m to obtain 38 percent topramezone-halosulfuron-methyl sulcotrione wettable powder (2: 1: 35).
Example 440% wettable powder of topramezone-halosulfuron-methyl mesotrione
The 40% topramezone-halosulfuron-methyl-mesotrione wettable powder comprises 2% of topramezone, 3% of halosulfuron-methyl, 35% of mesotrione, 3% of fatty alcohol-polyoxyethylene ether, 9% of naphthalenesulfonate dispersant (MORFETD 425), 10% of sodium sulfate, 10% of white carbon black and the balance of kaolin in percentage by weight;
the preparation method comprises the following steps: after the topramezone and the white carbon black are adsorbed and kept stand for 24 hours according to the proportion, all the components are uniformly mixed according to the proportion, and the mixture is crushed by a jet mill until the average particle size D90 of the material is less than 5 mu m, thus obtaining the 40 percent topramezone-halosulfuron-methyl sulcotrione wettable powder (2: 3: 35).
Example 525% topramezone-halosulfuron-methyl mesotrione suspoemulsion
The 25% suspending emulsion comprises, BY weight, 2% of topramezone-closulfuron-methyl-mesotrione, 3% of halosulfuron-methyl, 20% of mesotrione, 2% of isomeric tridecanol polyoxyethylene ether, 6% of phosphate ester dispersant (OP-10), 0.2% of castor oil polyoxyethylene ether (BY-125), 0.2% of organic silicon defoamer, 5% of ethylene glycol, 0.15% of xanthan gum, 0.1% of kasong and water;
the preparation method comprises the following steps: the components are uniformly mixed according to the proportion, and ground by a vertical sand mill until the average particle diameter D90 of the material is less than 5 mu m, thus obtaining the 25 percent suspending agent of topramezone-halosulfuron-methyl sulcotrione (2: 3: 20).
Test example 1 indoor efficacy test for weed control in corn field
Test subjects: annual weeds (barnyard grass) in corn fields.
Test agents: topramezone, halosulfuron-methyl and mesotrione.
Test targets: the barnyard grass seeds are collected from the Luzhou town of Boxing county, dried and stored at constant temperature of 4 ℃ for later use.
Test equipment: beaker, electronic balance, pipette, spray tower.
The test steps are as follows: adopting a potted soil spray treatment method (NY/T11547.7-2006), filling quantitative air-dried fine soil in a plastic bowl (10cm x 9cm x 7cm), sowing a target seed to be tested in the plastic bowl, covering the fine soil with the thickness of 0.2cm after sowing, placing the plastic bowl in room temperature for culture, and replenishing water by adopting a bottom irrigation mode every day to keep the soil moist; and (3) carrying out soil spraying treatment on the test target after sowing before unearthing, repeating the treatment for 4 times every time, setting the treatment without the medicament as a control, placing the treated test material in a greenhouse for culturing, regularly observing the damage condition of target germination, and determining the germination inhibition rate.
Medicament configuration and design:
① single dose and dose:
topramezone (No. a): 20. 40 and 60g a.i/hm2(numbering is A1-A3 respectively),
halosulfuron-methyl (No. B): 10. 20 and 30g a.i/hm2(numbered B1-B3 respectively),
mesotrione (code C): 200. 350 and 500g a.i/hm2(numbers C1-C3, respectively);
② mixing and proportioning:
topramezone (No. A1-A3), halosulfuron-methyl (No. B1-B3) and mesotrione (No. C1-C3), which are mixed into 27 doses respectively.
Data statistics and calculation:
germination inhibition (%) ═ 100% of control germinated plants/control germinated plants;
the test statistical method comprises the following steps: the activity of the mixed three medicaments is tested by adopting a Colby method. Evaluation criteria: when E-E0>At 10%, a synergistic effect is indicated; when the proportion is less than or equal to-10 percent, E-E0When the content is less than or equal to 10 percent, the additive effect is shown; when E-E0<At-10%, antagonism was observed.
Test results and analysis:
the results of the indoor drug effect test of the topramezone, halosulfuron-methyl and mesotrione single agent and the compound composition on barnyard grass are shown in the following table 1. As can be seen from table 1: after the topramezone, the halosulfuron-methyl and the mesotrione are mixed, the ratio of the topramezone to the halosulfuron-methyl is (2-6): (1-3): (20-50) therebetween, E0E values are all larger than 6%, and the control effects are additive or synergistic; wherein when the ratio of the three is 2:1:35, E0The E value is 17.66%, and the synergistic effect is most remarkable.
TABLE 1 Combined action of topramezone, halosulfuron-methyl and mesotrione on barnyard grass
Test example 2 field test for controlling weeds in corn field
Test site: the Shandong province chats about cities, and soil fertility in the areas is consistent and medium.
Test subjects: annual weeds (barnyard grass) in corn fields.
And (3) experimental design: let 7 treatments, each of which was repeated 3 times, wherein,
treatment 1 was 38% topramezone-halosulfuron-methyl mesotrione wettable powder (example 3);
treatment 2 was 40% topramezone-halosulfuron-methyl mesotrione wettable powder (example 4);
treatment 3 was a 25% topramezone-halosulfuron-methyl mesotrione suspoemulsion (example 5);
treatment 4 was 4% topramezone dispersible oil suspension concentrate;
the treatment 5 is 12 percent of halosulfuron-methyl dispersible oil suspending agent;
treatment 6 was 15% mesotrione suspension;
treatment 7 was a control, no herbicide was applied, and the application was 3 days after corn planting.
The test method comprises the following steps: after the treatment agents are applied to the field, the influence of each treatment agent on the germination condition of the corn and the weed control effect are observed; the barnyard grass control effect was visually observed at the time of administration for 10 days, 20 days, and 30 days.
Test results and analysis:
the field test results of the topramezone, halosulfuron-methyl and mesotrione single agent and compound composition on barnyard grass are shown in the following table 2.
TABLE 2 ternary combination of topramezone, halosulfuron-methyl and mesotrione field efficacy test results
As can be seen from the table 2, after the pesticide is applied, the ternary combination of topramezone, halosulfuron-methyl and mesotrione has higher control effect than that of single use of single dose, and has obvious synergistic effect. In particular, the 38% wettable powder of topramezone-halosulfuron-methyl-mesotrione has obvious effect and long-lasting drug effect.
Although the present invention has been described in detail by way of preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The ternary compound composition of topramezone, halosulfuron-methyl and mesotrione is characterized in that topramezone, halosulfuron-methyl and mesotrione are used as active ingredients, and the weight ratio of topramezone to halosulfuron-methyl to mesotrione is (2-6): (1-3): (20-50).
2. The ternary compounded composition of claim 1, wherein the active ingredient content of the composition is from 5% to 40%.
3. The ternary complex composition of claim 1, wherein the composition is prepared into any one dosage form by taking topramezone, halosulfuron-methyl and mesotrione as active ingredients and auxiliary ingredients allowed by pesticides.
4. The ternary compounded composition of claim 3, wherein the dosage form comprises dispersible oil suspending agent, wettable powder and suspoemulsion.
5. The ternary complex composition of claim 3, wherein the auxiliary component comprises one or more of a surfactant, a thickener, an antifreeze, a solvent, a filler, a stabilizer, a safener, a colorant, a penetrant, an emulsifier, a synergist, a defoamer, a dispersant and a preservative.
6. The ternary compounded composition according to claim 3, wherein the composition is 38% wettable powder of topramezone-halosulfuron-methyl sulcotrione, the active ingredients of the wettable powder comprise 2% topramezone, 1% halosulfuron-methyl and 35% mesotrione by weight percentage, and the auxiliary ingredients comprise 3% fatty alcohol-polyoxyethylene ether, 9% naphthalenesulfonate dispersant, 10% sodium sulfate, 10% white carbon black and 30% kaolin by weight percentage.
7. The ternary compounded composition according to claim 6, wherein the preparation method of the wettable powder comprises the following steps: adsorbing and standing the topramezone and the white carbon black for 24 hours according to the proportion, uniformly mixing all the components according to the proportion, and passing the mixture through a jet mill until the average particle size D90 of the material is less than 5 mu m to obtain 38% topramezone-halosulfuron-methyl mesotrione wettable powder.
8. The application of the ternary compound composition of topramezone, halosulfuron-methyl and mesotrione in claim 1 to control of weeds in corn fields.
9. The use as claimed in claim 8, wherein the weeds are barnyard grass.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104012561A (en) * | 2014-05-07 | 2014-09-03 | 广东中迅农科股份有限公司 | Pesticide composition containing triketone herbicide |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104012561A (en) * | 2014-05-07 | 2014-09-03 | 广东中迅农科股份有限公司 | Pesticide composition containing triketone herbicide |
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Application publication date: 20200724 |