CN113273575A - Ternary weeding composition containing pyrimidine benzyl carboxylate compounds and application thereof - Google Patents
Ternary weeding composition containing pyrimidine benzyl carboxylate compounds and application thereof Download PDFInfo
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- CN113273575A CN113273575A CN202010101916.1A CN202010101916A CN113273575A CN 113273575 A CN113273575 A CN 113273575A CN 202010101916 A CN202010101916 A CN 202010101916A CN 113273575 A CN113273575 A CN 113273575A
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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
- A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
- A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
- A01N39/04—Aryloxy-acetic acids; Derivatives thereof
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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
- A01N43/34—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
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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
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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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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- 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<
- A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
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Abstract
The invention belongs to the field of pesticides, and particularly relates to a ternary weeding composition containing pyrimidine benzyl carboxylate compounds and application thereof. The weeding composition comprises an active ingredient A, an active ingredient B and an active ingredient C with herbicidally effective amounts,wherein the active component A is
Description
Technical Field
The invention belongs to the field of pesticides, and particularly relates to a ternary weeding composition containing pyrimidine benzyl carboxylate compounds and application thereof.
Background
Chemical weeding is the most economic and effective means in preventing and removing weeds in farmlands, but the problems of drug resistance and resistance evolution of weeds and the like are easily caused by using a single variety or a single action mode of chemical herbicide continuously at a high dose for a long time. The reasonable compounding or mixing of the herbicide compound has the advantages of expanding the weed spectrum, improving the control effect, delaying the occurrence and development of drug resistance and drug resistance of weeds and the like, and is one of the most effective methods for solving the problems. For example, patent CN108774179A discloses a substituted pyrimidine-4-carboxylic acid derivative and its use as herbicide, and there is still a need to develop a herbicidal composition with high safety, broad herbicidal spectrum, synergistic effect and solving the problem of resistant weeds.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a ternary herbicidal composition containing pyrimidine benzyl carboxylate compounds and application thereof. The composition can effectively prevent and kill off the problems of weeds such as sesbania, Lepidium meyenii, Aleurites fordii, Lepidium strictum, Indian rorippa, wild radish and the like in crop fields, and has the characteristics of expanding the weed killing spectrum, reducing the application amount, generating a synergistic effect, solving resistant weeds and the like.
A ternary weeding composition containing a pyrimidine benzyl carboxylate compound comprises an active ingredient A, an active ingredient B and an active ingredient C with a weeding effective amount, wherein,
the active ingredient A is
The active ingredient B is selected from one or more of the following compounds and salts/esters thereof:
fluroxypyr (CAS:69377-81-7), 2-methyl-4-chlorophenoxyacetic acid (CAS:94-74-6), 2, 4-dichlorophenoxyacetic acid (CAS:94-75-7), quinclorac (CAS:84087-01-4), metribuzin (CAS:21087-64-9), amicarbazone (CAS: 129909-90-6);
the active ingredient C is selected from one or more of the following compounds and salts/esters thereof:
carfentrazone-ethyl (CAS:1622908-18-2), pyrasulfotole (CAS:365400-11-9) and fluroxypyr (CAS: 352010-68-5).
In the context of the present specification, if the abbreviated forms of the common name of the active compounds are used, all customary derivatives, such as esters and salts, and also isomers, in particular optical isomers, in particular one or more commercially available forms, are included in each case. If the generic name denotes esters or salts, all other customary derivatives, such as other esters and salts, free acids and neutral compounds, and also isomers, in particular optical isomers, in particular one or more commercially available forms, are also included in each case. The chemical name given for a compound means at least one compound covered by the generic name, with compounds generally being preferred. In the case of sulfonamides, such as sulfonylureas, salts also include those formed by exchange of cations with hydrogen atoms in the sulfonamide group. For example, 2-methyl-4-chloro derivatives include, but are not limited to: 2 methyl 4 chloro sodium salt, potassium salt, dimethyl ammonium salt, isopropyl amine salt, etc., and 2 methyl 4 chloromethyl ester, ethyl ester, isooctyl ester, ethyl thioester, etc.; 2,4-D derivatives include, but are not limited to: 2,4-D salts such as sodium salt, potassium salt, dimethylammonium salt, triethanolamine salt, isopropylamine salt, choline and the like, and 2,4-D esters such as methyl ester, ethyl ester, butyl ester, isooctyl ester and the like.
Wherein the weight ratio of A, B to C in the weeding composition is 0.1-50: 1-200: 1-100 or 0.1-30: 1-150: 1-50; preferably 0.1-20: 1-120: 1-30 or 0.2-15: 5-100: 2-20; more preferably 0.5-10: 10-80: 3-15; more preferably 2 to 5:20 to 50:4 to 10.
The mass percentage of A, B and C in the weeding composition accounts for 1-95 percent of the total amount, and preferably 10-80 percent.
The weeding composition also comprises conventional auxiliaries which comprise a carrier and a surfactant.
The term "carrier" herein denotes an organic or inorganic, natural or synthetic substance. They facilitate the application of the active ingredient, the carrier being generally inert and must be agriculturally acceptable, in particular for the treated plant. The carrier may be a solid, such as a clay, natural or synthetic silicate, silica, resin, wax, solid fertilizer, or the like; or liquids such as water, alcohols, ketones, petroleum distillates, aromatic or waxy hydrocarbons, chlorinated hydrocarbons, liquefied gases, etc.
Surfactants may include emulsifying, dispersing or wetting agents, which may be ionic or non-ionic. Examples which may be mentioned are salts of polyacrylic acids, lignosulphonates, salts of phenolsulphonic or naphthalenesulphonic acids, polymers of ethylene oxide with aliphatic alcohols or with aliphatic acids or with aliphatic amines and substituted phenols, in particular alkylphenols or arylphenols, sulphosuccinates, taurine derivatives, in particular taurine alkyl esters, and phosphoric esters of alcohols or polyhydroxyethylated phenols, alkylsulfonates, alkylarylsulphonates, alkylsulfates, lauryl ether sulphates, fatty alcohol sulphates, and sulphated hexadec, heptadeca-and octadecanols and sulphated fatty alcohol glycol ethers, and furthermore condensates of naphthalene or naphthalenesulphonic acids with phenol and formaldehyde, polyoxyethylene octylphenyl ether, ethoxylated isooctylphenol, octylphenol or nonylphenol, alkylphenyl polyglycol ethers, tributylphenyl polyglycol ether, tristearylphenyl polyglycol ether, polystearylphenyl polyglycol ether, Alkylaryl polyether alcohols, alcohol and fatty alcohol/ethylene oxide condensates, ethoxylated castor oil, polyoxyethylene alkyl ethers, ethoxylated polyoxypropylene, lauryl alcohol polyglycol ether acetal, sorbitol esters, lignosulfite waste liquors, and also proteins, denatured proteins, polysaccharides (e.g. methylcellulose), hydrophobically modified starches, polyvinyl alcohols, polycarboxylates, polyalkoxylates, polyvinylamines, polyvinylpyrrolidone and copolymers thereof. At least one surfactant is required to be present to facilitate dispersion of the active ingredients in water and to facilitate their proper application to the plant.
The compositions may also contain various other components such as protective colloids, binders, thickeners, thixotropic agents, penetrants, stabilizers, chelating agents, dyes, colorants, and polymers.
The herbicidal composition further comprises at least one safener, preferably one or more of isoxadifen (CAS: 163520-33-0), cyprosulfamide (CAS: 221667-31-8), mefenpyr (CAS: 135590-91-9), cloquintocet (CAS: 99607-70-2), gibberellic acid (CAS: 7-06-5), furilazole (CAS: 121776-33-8), metacamifen (CAS: 129531-12-0).
The compositions of the present invention may be diluted or used directly by the user prior to use. The formulation can be prepared by conventional processing methods, i.e., mixing the active substance with a liquid solvent or solid carrier, and adding one or more surfactants such as dispersants, stabilizers, wetting agents, binders, defoamers, etc.
The specific preparation of the weeding composition is dispersible oil suspending agent, water suspending agent, suspending emulsion, wettable powder, missible oil, water dispersible granule (dry suspending agent), emulsion in water and microemulsion.
In short, the compositions of the present invention may be mixed with solid and liquid additives conventionally used in prior art formulations. The amount of the effective ingredient to be used varies depending on external conditions such as temperature, humidity, the nature of the herbicide to be used, and the like. It may vary widely, for example between 0.001 and 1.0kg/ha, or more of active substance, but preferably between 0.005 and 750g/ha, in particular between 0.005 and 500 g/ha.
The invention also provides an application of the weeding composition in weed control; and to provide a method of controlling unwanted plant growth comprising applying the herbicidal composition to a plant, part of a plant, plant seed, or area where a plant is growing.
In addition, the compositions according to the invention can be applied by spraying to the foliage of the plants to be treated, i.e. to the weeds, in particular to surfaces infested or susceptible to infestation by weeds.
When the ternary herbicidal compositions of the present invention are applied, their herbicidal activity achieves unexpected synergistic effects with respect to the single agents and any binary compositions therein. In particular, reduced application rates, a broader spectrum of weed control, faster and longer lasting herbicidal action, which are desirable in the practice of weed control. These new compositions are clearly superior to existing herbicides in terms of the properties described.
The synergistic herbicidal composition of the invention also has the following advantages:
(1) the composition of the invention is environment-friendly and is easy to degrade in the environment.
(2) The weeding composition has low cost and convenient use, and has great economic and social benefits when being popularized and applied.
All patents, patent applications, and publications mentioned or cited herein are incorporated by reference in their entirety to the same extent as if individually incorporated.
Detailed Description
The following examples are not intended to limit the invention, but merely to illustrate how the invention may be carried out. These examples show particularly significant effectiveness against certain weeds.
Spraying treatment of stems and leaves after seedling:
1) test conditions
1.1) test target
Sesbania is collected from Jiangsu Huai' an, Lepidium meyenii, Anhui mugwort and Leymus chinensis are collected from Shanxi Linfen, Indian India flower and wild radish are collected from Anhuo Zhou. The weeds are cultured by a pot culture method, a 180x140mm plastic nutrition pot is placed in an enamel tray, surface soil (4/5) which is air-dried and sieved is collected from a farmland is filled in the pot, the soil humidity is controlled to be 20% at the initial stage, weed seeds with full and uniform seeds are selected, the weed seeds are soaked in warm water at 25 ℃ for 6 hours, the weed seeds are subjected to germination acceleration in a biochemical incubator (dark) at 28 ℃, the weed seeds which are just exposed to be white are uniformly placed on the surface of the soil, and then the soil is covered by 0.5-1cm according to the particle size of the seeds.
1.2) culture conditions
The method is carried out in a controllable sunlight greenhouse, the temperature is 20-30 ℃, the natural illumination is carried out, and the relative humidity is 57-72%. The soil type is loam, the organic matter content is 1.63%, the pH value is 7.1, the alkaline hydrolysis nitrogen is 84.3mg/kg, the quick-acting phosphorus is 38.5mg/kg, and the quick-acting potassium is 82.1 mg/kg.
1.3), instrumentation
3WP-2000 model walking spray tower, Minn Jing agricultural machinery research institute of agricultural department. Ten thousandth electronic balance type GA0 (germany); ZDR2000 intelligent data recorder (hangzhou ze large instruments ltd); SPX type intelligent biochemical incubator (Ningbo Jiangnan Instrument factory).
2) Design of experiments
2.1), reagents
The desired active ingredient a comes from patent CN 108774179A; the desired active ingredient, B, is diconazole, manufactured by this company, others purchased from the agents company. The raw medicines are all diluted by using an emulsifier Tween-80 aqueous solution with the content of 0.1 percent and taking acetone as a solvent.
2.2) test treatment
2.2.1), dose setting
When determining the ratio or content of the component A and the component B, the main use purpose of the formula is also considered according to the action characteristics of the two medicaments and the measurement of toxicity and the like. On the basis of preliminary experiments, A, B active ingredients are respectively used singly and mixed in different amounts. Water without drug, containing the same solvent and emulsifier was used as a blank.
2.2.2), test repetition
Each treatment was repeated 4 times, 3 pots per treatment.
2.3) treatment method
2.3.1), treatment time and number of times
The test was performed 1 time in total. And (3) thinning after 1.5-2 leaf period of weeds, keeping 10 weeds in each pot, keeping 30 weeds in each treatment, and then continuously culturing until 3-4 leaves are treated.
2.3.2), instruments and methods of use
Uniformly placing the cultured test material on a 0.5m area2On the platform, a 3WP-2000 type walking spray tower stem is usedSpraying the leaves, wherein the liquid spraying amount is 450 kg/hectare, and the spraying pressure is 0.3 MPa. And after all the liquid medicine is sprayed, closing the air valve, opening the spraying tower door after 30 seconds, and taking out the nutrition pot. Then the air valve is opened, 50mL of clean water is sprayed, and the liquid spraying pipe is cleaned.
3) Test method
The potting method is adopted. The weed cultivation is shown in 1.1), and the method is carried out according to 'herbicide in pesticide indoor bioassay test guidelines'. The application method is shown in 2.3.2), and stem and leaf treatment method is adopted. After treatment, the cells were transferred to a greenhouse for conventional culture.
4) Data investigation and statistical analysis
4.1) investigation method
The complete survival weed seedlings are cut off along the soil surface by a blade by adopting an absolute number survey method, and the fresh weight of the weeds is weighed by an analytical balance. For the weeds that have died, the fresh weight is zero.
4.2), investigation time and number of surveys
The investigation was carried out 28 days after the treatment, and was carried out 1 time.
4.3), statistical analysis of data
The combination action type of any two or the mixture of the two and the three on the weeds is evaluated by a Colby method.
And (5) cutting green tissues on each treatment ground in 15 days, weighing by adopting an electronic balance, and calculating the actual survival rate: e (%) × 100 (fresh weight of weeds in treatment area/fresh weight of weeds in control area) × 100
The theoretical weed survival rate calculation formula is as follows: e0 (%) ═ X Y/100 (binary mixed use)
Wherein X represents the survival rate of weeds A at a dose of P, Y represents the survival rate of weeds B at a dose of Q, E0 represents the theoretical survival rate of weeds A + B at a dose of (P + Q), and E represents the actual survival rate of weeds for each treatment.
E0 (%) ═ X Y X Z X … XN/100 (N-1) (ternary and above mixed use)
X, Y, Z, N in the formula respectively represents the actual survival rates of n single agents, and n is the number of varieties of the compound herbicide.
When E0-E is more than 10%, the synergistic effect is generated; when E0-E < -10%, antagonism is indicated; when E0-E is within. + -. 10%, it is indicated that an additive effect is produced.
The statistical results are shown in tables 1-18 below.
Table 1B shows fluroxypyr and C shows carfentrazone-ethyl (test material is crested)
Table 2B shows fluroxypyr and C shows sulfonylopyrazole (the test material is Lepidium meyenii)
Table 3B shows fluroxypyr and C shows fluroxypyr (test material of Lepidium meyenii)
Table 4B shows 2-methyl-4-chlorophenoxyacetic acid, C shows diazole-mefone (the test material is glandular hair-sowing mugwort)
Table 5B shows 2-methyl-4-chlorophenoxyacetic acid, C shows sulfonylopyrazole (the test material is glandular hair-sowing mugwort)
Table 6B shows 2-methyl-4-chlorophenoxyacetic acid, C shows fluroxypyr (test material is glandular hair-sowing mugwort)
Table 7B shows 2, 4-dichlorophenoxyacetic acid, and C shows topramezone (Leishui mustard as test material)
Table 8B for 2, 4-Dichlorophenoxyacetic acid, C for Sulfonylopyrazole (Leishui for test material)
Table 9B shows 2, 4-dichlorophenoxyacetic acid, and C shows fluroxypyr (test material Yuchijie)
Table 10B shows quinclorac, C shows topramezone (sesbania as test material)
Table 11B shows quinclorac, C shows sulfonylopyrazole (sesbania as test material)
Table 12B shows quinclorac, C shows fluroxypyr (sesbania as test material)
Table 13B shows metribuzin, C shows diazole (Indian rorippa herb)
Table 14B shows metribuzin, C shows sulfonylopyrazole (Indian rorifolia)
Table 15B shows metribuzin and C shows fluroxypyr (Indian rorippa herb)
Table 16B shows amicarbazone and C shows diazole-clomazone (wild radish test)
Table 17B shows amicarbazone and C shows sulfonylopyrazole (wild radish test)
Table 18B shows amicarbazone and C shows flurtamone (wild radish test material)
Note: e (A): observed fresh weight survival rate for component A treatment at a given dose
E (B): observed fresh weight survival for component B treatment at a given dose
E (C): observed fresh weight survival for component C treatment at a given dose
E (A + B): the measured fresh weight survival rate of the component A and the component B which are mixed in a binary way under the given dosage
E (A + C): the measured fresh weight survival rate of the component A and the component C mixed in a binary way under the given dosage
E (B + C): the measured fresh weight survival rate of the component B and the component C mixed in a binary way under the given dosage
E (A + B + C): the observed fresh weight survival rate of the three-component mixture of the component A, B, C at a given dosage
E0(A + B + C): theoretical fresh weight survival rate of ternary combination of component A, B, C at given dose
E0((A + B) + C): theoretical fresh weight survival rate for a binary blend of component A, B as a whole with component C at a given dose
E0((A + C) + B): theoretical fresh weight survival rate for a binary blend of component A, C as a whole with component B at a given dose
E0(A + (B + C)): theoretical fresh weight survival rate for a binary blend of component B, C as a whole with component A at a given dose
Through a large number of tests and explorations, the invention unexpectedly discovers that the composition is used for preventing and removing main gramineous weeds, broadleaf weeds, cyperaceae weeds and the like, has a surprising and unexpected synergistic effect, is more obvious under a low dosage, can reduce the dosage, reduce the pollution to the environment, is reasonably compounded, reduces the agricultural cost, is efficient on resistant weeds such as ALS inhibitors and ACCase inhibitors, and has a good application prospect. Meanwhile, the herbicide composition shows good selectivity and excellent synergistic effect in wheat fields, corn fields, paddy fields, peanuts, sugarcane, sorghum, millet, potatoes, rape, soybeans, cotton, vegetables, bluegrass, tall fescue, zoysia japonica and other plants through tests, and can be developed into herbicide mixtures with wide market value.
Claims (10)
1. A ternary weeding composition containing a pyrimidine benzyl carboxylate compound is characterized by comprising an active ingredient A, an active ingredient B and an active ingredient C with herbicidally effective amounts, wherein,
the active ingredient A is
The active ingredient B is selected from one or more of the following compounds and salts/esters thereof: fluroxypyr, 2-methyl-4-chlorophenoxyacetic acid, 2, 4-dichlorophenoxyacetic acid, quinclorac, metribuzin, amicarbazone;
the active ingredient C is selected from one or more of the following compounds and salts/esters thereof: carfentrazone-ethyl, sulfonylopyrazole and fluroxypyr-meptyl.
2. The ternary herbicidal composition containing pyrimidine benzyl carboxylate compounds as claimed in claim 1, wherein the weight ratio of A, B to C in the herbicidal composition is 0.1-50: 1-200: 1-100 or 0.1-30: 1-150: 1-50; preferably 0.1-20: 1-120: 1-30 or 0.2-15: 5-100: 2-20; more preferably 0.5-10: 10-80: 3-15; more preferably 2 to 5:20 to 50:4 to 10.
3. The ternary herbicidal composition comprising benzyl pyrimidinecarboxylate compounds according to claim 1 or 2, wherein A, B and C are present in the herbicidal composition in an amount of 1-95% by weight, preferably 10-80% by weight, based on the total amount.
4. The ternary herbicidal composition comprising benzyl pyrimidinecarboxylate compounds as claimed in any of claims 1 to 3, wherein conventional adjuvants are also included in the herbicidal composition.
5. The ternary herbicidal composition containing pyrimidine benzyl carboxylate compounds as claimed in claim 4, wherein the conventional adjuvant comprises a carrier or a surfactant.
6. The ternary herbicidal composition comprising benzyl pyrimidinecarboxylate compounds according to any one of claims 1 to 5, characterized in that it further comprises at least one safener.
7. The ternary herbicidal composition comprising benzyl pyrimidinecarboxylate compounds according to claim 6, wherein the safener is selected from one or more of isoxadifen, cyprosulfamide, mefenpyr, cloquintocet, gibberellic acid, furilazole, and mecamifen.
8. The ternary herbicidal composition containing benzyl pyrimidinecarboxylate compounds as claimed in any one of claims 1 to 7, wherein the specific formulation of the herbicidal composition is dispersible oil suspension, aqueous suspension, suspoemulsion, wettable powder, emulsifiable concentrate, water dispersible granule, aqueous emulsion or microemulsion.
9. Use of the ternary herbicidal composition comprising a pyrimidine carboxylic acid benzyl ester class compound as claimed in any one of claims 1 to 8 for controlling weeds.
10. A method for controlling undesired vegetation, which comprises applying the ternary herbicidal composition comprising a benzyl pyrimidinecarboxylate compound of any one of claims 1 to 8 to a plant, a plant part, a plant seed or an area where a plant is growing.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023202364A1 (en) * | 2022-04-21 | 2023-10-26 | 青岛清原作物科学有限公司 | Herbicidal composition comprising pyrimidine formyl oxime derivative and use thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774179A (en) * | 2018-05-29 | 2018-11-09 | 青岛清原化合物有限公司 | A kind of substituted pyrimidine -4- formic acid derivates and its Herbicidal combinations and purposes |
| CN109497075A (en) * | 2018-12-19 | 2019-03-22 | 青岛清原化合物有限公司 | Ternary weeding composition and its application comprising trifludimoxazin |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774179A (en) * | 2018-05-29 | 2018-11-09 | 青岛清原化合物有限公司 | A kind of substituted pyrimidine -4- formic acid derivates and its Herbicidal combinations and purposes |
| CN109497075A (en) * | 2018-12-19 | 2019-03-22 | 青岛清原化合物有限公司 | Ternary weeding composition and its application comprising trifludimoxazin |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023202364A1 (en) * | 2022-04-21 | 2023-10-26 | 青岛清原作物科学有限公司 | Herbicidal composition comprising pyrimidine formyl oxime derivative and use thereof |
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