CN111436444A - Pesticide composition containing topramezone, flufenacet and atrazine - Google Patents
Pesticide composition containing topramezone, flufenacet and atrazine Download PDFInfo
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- CN111436444A CN111436444A CN202010482796.4A CN202010482796A CN111436444A CN 111436444 A CN111436444 A CN 111436444A CN 202010482796 A CN202010482796 A CN 202010482796A CN 111436444 A CN111436444 A CN 111436444A
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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
- A01N43/72—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
- A01N43/82—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 three ring hetero atoms
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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
- A01N43/66—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms
- A01N43/68—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms with two or three nitrogen atoms directly attached to ring carbon atoms
- A01N43/70—Diamino—1,3,5—triazines with only one oxygen, sulfur or halogen atom or only one cyano, thiocyano (—SCN), cyanato (—OCN) or azido (—N3) group directly attached to a ring carbon atom
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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
- A01N43/72—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
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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- 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 relates to the technical field of pesticides, in particular to a topramezone, flufenacet and atrazine pesticide composition, which comprises an effective component and auxiliary materials, wherein the effective component is a topramezone, flufenacet and atrazine composition, and the auxiliary materials comprise a surfactant, a filler, a stabilizer and an antifreezing agent; the invention provides a pesticide composition of topramezone, flufenacet and atrazine, which is prepared by ternary compounding according to different action mechanisms of three active ingredients of topramezone, flufenacet and atrazine, has complementary advantages, widens the weed control spectrum, improves the weeding effect, can kill weeds and play a role in sealing after being sprayed once, and has important significance in the comprehensive control of agricultural weeds.
Description
Technical Field
The invention relates to the technical field of pesticides, and particularly relates to a pesticide composition containing topramezone, flufenacet and atrazine.
Background
The topramezone is a selective herbicide of 4- [3- (4, 5-dihydroisoxazole-3-yl) -2-methyl-4-methylsulfonyl ] -1-methyl-5-hydroxy-1H-pyrazole-type benzoyl pyrazolone, is absorbed by roots, seedlings and leaves after seedling stem and leaf treatment, is conducted to meristem in plants to the top and the base to inhibit 4-HPP L, inhibit plastoquinone and indirectly inhibit the biosynthesis of carotenoid, and disturb chloroplast and function, and finally kill weeds.
Atrazine, chemical name: 2-chloro-4-ethylamino-6-isopropylamino-1, 3, 5-triazine. The triazine compound herbicide has the advantages of systemic selectivity, closed herbicide before and after seedling, root absorption as the main part, wide weed control spectrum, capability of preventing and killing various annual gramineae and broadleaf weeds, and good selectivity on corn. The photosynthesis of weeds is inhibited and the weeds are died by being absorbed and conducted upwards mainly by the roots of the plants. The atrazine has long lasting period, is harmful to afterculture sensitive crops such as wheat, soybean, rice and the like, has the lasting period of 2-3 months, and can be mixed with other medicaments by reducing the dosage.
Flufenacet, chemical name: 4' -fluoro-N-isopropyl-2- [5- (trifluroglycoside) -1,3, 4-thiadiazo-2-imine ] acetamide; 4' -fluoro-N-isopropyl-2- (5-trifluoromethyl-1, 3, 4-thiadiazol-2-yloxy) acetanilide. Belongs to an aryloxyacetamide compound, is used before and after the soil bud, and has main target sites of possibly fatty acid metabolism for inhibiting cell division and growth. Can be widely used for preventing and killing annual gramineous weeds, nutgrass flatsedge and small-grain broadleaf weeds, and is safe to corn and environment.
The application number is 201510268111.5, the topramezone, sulfentrazone and atrazine-containing corn post-emergence weeding composition is used for corn seedlings, the topramezone, sulfentrazone and atrazine are used for the weeding composition for the corn seedlings, and field efficacy tests of 2 years show that the weed control effect of 80 ml/mu reaches over 75.3% in 10 days and over 90.5% in 30 days, the dosage of the weeding composition required for weeding is large, and the production cost is increased; the addition amount of raw materials is large when the weeding composition is prepared, and the economic benefit is reduced.
The single use of a drug for weed control for a long time can only kill a part of weeds, and is easy to cause the problems of enhanced drug resistance of some weeds, reduced drug effect and the like. In the prior art, no pesticide prepared by compounding topramezone, flufenacet and atrazine is available, and the pesticide is used for preventing and killing gramineous weeds, sedges and broadleaf weeds.
Disclosure of Invention
The invention provides a topramezone, flufenacet and atrazine pesticide composition, aiming at solving the problems that the existing pesticide or pesticide composition for weeding only can kill part of weeds by singly using one drug for a long time, and is easy to cause the enhancement of the drug resistance of some weeds and the reduction of the drug effect of the drug, and the like.
The invention aims to provide a pesticide composition containing topramezone, flufenacet and atrazine, which comprises an effective component and an auxiliary material;
the flufenacet is mainly used for inhibiting cell division to play a role, reducing the synthesis of nutrients of weeds, and can widely control gramineous weeds, sedges and some small-sized broad-leaved weeds, the atrazine mechanism is used for inhibiting photosynthesis of weeds, so that the weeds are withered, and can control various annual gramineous weeds and broad-leaved weeds.
Further, the content of the effective components in the pesticide composition accounts for 20-80% of the total weight of the pesticide composition.
Further, the topramezone comprises the following components in parts by weight: flufenacet: the proportion of atrazine is 1-8: 4-20: 10-40.
Further, the topramezone comprises the following components in parts by weight: flufenacet: the proportion of atrazine is 2: 8: 20.
further, the auxiliary materials comprise a surfactant, a filler, a stabilizer and an antifreezing agent;
further, the surfactant is any one or more of anionic surfactant 1880-10, composite surfactant A800, composite surfactant EFW, carboxylate dispersant S100, dispersant N, alkyl naphthalene sulfonate or phenethyl phenol polyoxyethylene ether phosphate;
further, the filler is any one of montmorillonite, talcum powder, diatomite, white carbon black, ammonium sulfate, corn starch, organic bentonite or methyl oleate;
further, the stabilizer is one or more of citric acid, 4801, 4805, M-4 or antioxidant;
further, the antifreeze is any one of urea or solvent oil.
Further, the weight portion of the surfactant accounts for 10-20 parts of the total weight of the auxiliary materials; the weight portion of the stabilizer accounts for 1-2 portions of the total weight of the auxiliary materials; the weight portion of the antifreezing agent accounts for 3-5 portions of the total weight of the auxiliary materials; the weight portion of the filler accounts for 20-70 portions of the total weight of the auxiliary materials.
Furthermore, the pesticide composition is applied to preventing and removing gramineous weeds and broadleaf weeds in corn fields.
Further, the pesticide composition can be used for pre-emergence and post-emergence weeding and has a sealing effect.
Furthermore, the pesticide composition is in the form of suspending agent, water dispersible granule, missible oil, microemulsion, aqueous emulsion or powder, but not limited to the formulation.
The pesticide composition provided by the invention is prepared from topramezone, flufenacet and atrazine serving as main active ingredients and auxiliary ingredients, and the obtained pesticide composition is wide in application range and meets the requirements of different farmland environments.
The invention has the beneficial effects that:
(1) the invention provides a pesticide composition of topramezone, flufenacet and atrazine, which is prepared by ternary compounding according to different action mechanisms of three active ingredients of topramezone, flufenacet and atrazine, has complementary advantages, widens the weed control spectrum, improves the weeding effect, can kill weeds and play a role in sealing after being sprayed once, and has important significance in the comprehensive control of agricultural weeds.
(2) The invention provides a pesticide composition of topramezone, flufenacet and atrazine, which is prepared by mixing topramezone, flufenacet and atrazine in a weight ratio of 2: 8: the 20 proportion is reasonably compounded, so that the drug effect of the drug can be improved, the weed control spectrum is expanded, and the generation of drug resistance of weeds is delayed.
(3) The invention provides a topramezone, flufenacet and atrazine pesticide composition, which is prepared by compounding and combining topramezone, flufenacet and atrazine according to different action mechanisms and action targets, can expand the herbicide controlling spectrum and improve the pesticide effect, can effectively prevent and kill all emerged weeds in corn fields and gramineous broadleaf weeds which are not emerged and propagated from seeds in one year, can obviously reduce the using amount of atrazine, improves the environmental safety and reduces the pollution to the environment under the condition of ensuring the pesticide effect.
(4) The invention provides a pesticide composition of topramezone, flufenacet and atrazine, which is prepared by indoor bioassay determination, namely indoor toxicity determination and formula screening of topramezone, flufenacet and atrazine on cornfield weeds and green bristlegrass, wherein the weight ratio of topramezone to flufenacet to atrazine is 2: 8: the composition has an obvious synergistic effect on the green bristlegrass herb when the dosage is 20 hours, can effectively reduce the using dosage of pesticides, and has the most obvious synergistic effect.
(5) The invention provides a pesticide composition of topramezone, flufenacet and atrazine, which can overcome the defect that atrazine is ineffective to perennial weeds after the flufenacet is added, reduce the using amount of atrazine and reduce the phytotoxicity of atrazine to later-crop sensitive crops such as wheat, soybean and rice.
(6) The invention provides a topramezone, flufenacet and atrazine pesticide composition, wherein the action mechanism of the topramezone can inhibit 4-HPP L, inhibit plastoquinone and indirectly inhibit biosynthesis of carotenoids, chloroplast and function disturbance, and is used for preventing and killing gramineous weeds and partial broadleaf weeds in corn fields, the action mechanism of the flufenacet mainly plays a role by inhibiting cell division, so that the synthesis of nutrients of weeds is reduced, gramineous weeds, sedge and small-particle broadleaf weeds can be widely prevented and killed, the action mechanism of the atrazine is to inhibit photosynthesis of the weeds, so that the weeds are withered, so that various annual gramineous weeds and broadleaf weeds can be prevented and killed, the action mechanisms of the topramezone, the flufenacet and the atrazine are different, when the control effect of the weeds reaches more than 80% per 70 ml/mu 15 days, the control effect of the weeds reaches 90% per 30 days, the control effect is obviously enhanced along with the increase of the dosage, and the control spectrum is expanded compared with the single use of one or two components, so that the topramezone, the flufenacet, the.
(7) The invention provides a pesticide composition of topramezone, flufenacet and atrazine, which is characterized in that tests verify that the total weed control effect is more than 73 percent in 15 days, more than 84 percent in 30 days after application of a ternary composition of different proportions of topramezone, flufenacet and atrazine, the total weed control effect is more than 52 percent in 15 days and more than 65 percent in 30 days after application of a binary composition of different proportions of topramezone and atrazine.
(8) The compound composition of topramezone, flufenacet and atrazine in the application can effectively prevent and kill various weeds such as corn field barnyard grass, green bristlegrass, amaranth, black nightshade and the like, the compound of topramezone, flufenacet and atrazine has obvious synergistic effect on green bristlegrass, and particularly when the weight ratio of the topramezone to the flufenacet to the atrazine is 2: 8: the synergistic effect is most obvious at 20 hours and is 15.8, which shows that the compounded synergistic effect of the topramezone, the flufenacet and the atrazine is most obvious under the mixture ratio, the combined use of the three substances can effectively reduce the use dosage of the pesticide, and the control effect of 15d and 30d on the total grass plants in the corn field is 80.1-93.2 percent and 90.0-96.8 percent respectively under the test dosage of 21-33 g/mu of active ingredients.
The specific implementation mode is as follows:
in order to more clearly and specifically describe the pesticide composition provided by the embodiments of the present invention, the following description will be given with reference to specific embodiments.
The experimental procedures used in the following examples are all conventional procedures unless otherwise specified.
The materials and reagents used in the following examples are all commercially available products unless otherwise specified.
The equipment used in the examples described below included a batch kettle, a colloid mill, a homomixer, and a sand mill.
The technical solution of the present invention will be described in detail with specific examples, but the present invention is not limited thereto.
In the following embodiments, the surfactant is any one or more of anionic surfactant 1880-10, composite surfactant A800, composite surfactant EFW, carboxylate dispersant S100, dispersant N, alkyl naphthalene sulfonate or phenethyl phenol polyoxyethylene ether phosphate;
the filler is any one of montmorillonite, talcum powder, diatomite, white carbon black, ammonium sulfate, corn starch, organic bentonite or methyl oleate;
the stabilizer is one or more of citric acid, 4801, 4805, M-4 or antioxidant;
the antifreezing agent is any one of urea or solvent oil.
According to the weight portion ratio, the weight portion of the surfactant accounts for 10-20 portions of the total weight of the auxiliary materials; the weight portion of the stabilizer accounts for 1-2 portions of the total weight of the auxiliary materials; the weight portion of the antifreezing agent accounts for 3-5 portions of the total weight of the auxiliary materials; the weight portion of the filler accounts for 20-70 portions of the total weight of the auxiliary materials.
Example 1
Pesticide composition containing topramezone, flufenacet and atrazine
According to the weight portion ratio, 2 portions of topramezone, 8 portions of flufenacet, 20 portions of atrazine, 15 portions of anionic surfactant 1880-10, 1.2 portions of stabilizer (the weight portion ratio is that M-4 accounts for 1 portion of the total weight of the stabilizer, citric acid accounts for 0.2 portion of the total weight of the stabilizer), 4 portions of urea and 49.8 portions of methyl oleate are taken, and the product is obtained after uniform mixing, high-speed shearing, wet grinding and homogeneous filtration.
Example 2
Pesticide composition containing topramezone, flufenacet and atrazine
According to the weight portion ratio, 1 portion of topramezone, 5 portions of flufenacet and 15 portions of atrazine, 15 portions of composite surfactant A800, 1.2 portions of stabilizer (4805 accounts for 1 portion of the total weight of the stabilizer and 4801 accounts for 0.2 portion of the total weight of the stabilizer), 4805 0.5 portion, 4801 0.2 portion, urea 4 portions and methyl oleate 65.3 portions are taken, evenly mixed, and subjected to high-speed shearing, wet grinding and homogeneous filtration to obtain the product.
Example 3
Pesticide composition containing topramezone, flufenacet and atrazine
According to the weight portion ratio, 6 portions of topramezone, 18 portions of flufenacet, 36 portions of atrazine, 15 portions of surfactant (the weight portion ratio is that alkyl naphthalene sulfonate accounts for 10 portions of the total weight of the surfactant, and composite surfactant EFW accounts for 5 portions of the total weight of the surfactant), 1 portion of 4801, and 24 portions of filler (the weight portion ratio is that white carbon accounts for 10 portions of the total weight of the filler, and talcum powder accounts for 10 portions of the total weight of the filler) are placed in an air flow crusher to be crushed until the fineness is less than 20 micrometers, so that the qualified product is obtained.
Example 4
Pesticide composition containing topramezone, flufenacet and atrazine
According to the weight portion ratio, 4 portions of topramezone, 10 portions of flufenacet, 28 portions of atrazine, 19 portions of surfactant (the weight portion ratio is that the carboxylate dispersant S100 accounts for 13 portions of the total weight of the surfactant, the dispersant N accounts for 6 portions of the total weight of the surfactant) and 39 portions of filler (the weight portion ratio is that the ammonium sulfate accounts for 10 portions of the total weight of the filler, the white carbon black accounts for 11 portions of the total weight of the filler, and the corn starch in the filler accounts for 18 portions of the total weight of the filler) are placed in an air flow crusher to be crushed, then are subjected to boiling granulation, and are dried and screened to obtain the qualified product.
Comparative example 1
Topramezone and atrazine pesticide composition
According to the weight portion ratio, 2 portions of topramezone, 19 portions of atrazine, 15 portions of anionic surfactant 1880-10, 1 portion of M-4, 0.2 portion of citric acid, 4 portions of urea and 58.8 portions of methyl oleate are taken, evenly mixed, sheared at high speed, ground by a wet method and homogenized and filtered, and the product is obtained.
Comparative example 2
Topramezone and atrazine pesticide composition
Taking 1 part of topramezone, 13 parts of atrazine, 17 parts of composite surfactant A800, 0.5 part of 4805, 0.2 part of 4801, 4 parts of urea and 69.3 parts of methyl oleate according to the parts by weight, uniformly mixing, shearing at high speed, grinding by a wet method, homogenizing and filtering to obtain the product.
Comparative example 3
Topramezone and atrazine pesticide composition
According to the weight portion ratio, 8 portions of topramezone, 40 portions of atrazine, 10 portions of alkyl naphthalene sulfonate, 3 portions of composite surfactant EFW, 1 portion of 4801, 15 portions of white carbon and 23 portions of talcum powder are taken and put into an air flow crusher for crushing, and the qualified product is obtained after the crushing is carried out to a certain fineness.
Comparative example 4
Topramezone and atrazine pesticide composition
Taking 4 parts of topramezone, 26 parts of atrazine, 12 parts of carboxylate dispersant S100, 5 parts of dispersant N, 20 parts of ammonium sulfate, 10 parts of white carbon black and 18 parts of corn starch according to the parts by weight, putting the mixture into a jet mill for crushing, then carrying out boiling granulation, drying and screening to obtain a qualified product.
Comparative example 5
Pesticide composition of topramezone and flufenacet
According to the weight portion ratio, 5 portions of topramezone, 25 portions of flufenacet, 12 portions of carboxylate dispersant S100, 5 portions of dispersant N, 20 portions of ammonium sulfate, 10 portions of white carbon black and 23 portions of corn starch are taken, and the mixture is placed in a jet mill for crushing, then is subjected to boiling granulation, and is dried and screened to obtain a qualified product.
Test No.)
And performing a field test to determine the pesticide effect of topramezone, flufenacet and atrazine on annual gramineae and broadleaf weeds in the corn field.
Test agents: the pesticide products obtained in examples 1-4 and comparative examples 1-5 were taken
The test method comprises the following steps: the test is carried out in a corn planting base in Hebei province, the pesticide is applied to 3-5 leaf stages after corn seedlings, and the stem leaves are uniformly sprayed for 1 time by adopting a spraying method according to the designed dosage. After application of the drug 15The species and the number of the residual weeds in each treatment area are investigated twice every day and 30 days after the application of the herbicide, and the control effect of the weeds is calculated. The investigation method is carried out according to the stipulation of 'pesticide field efficacy test rule (I) that the herbicide prevents and treats the weeds in the corn field', and an absolute value investigation method is adopted. The specific test investigation method adopts a Z-shaped sampling method, 4 points are determined in each cell, and each point is 0.25m2。
TABLE 1 test design of test agents
| Processing number | Treatment of | The dosage (preparation dosage) of the drug is g/mu | The application dosage (effective component) is g/mu |
| 1 | Example 1 | 70 | 21.0 |
| 2 | Example 2 | 100 | 21.0 |
| 3 | Example 3 | 35 | 21.0 |
| 4 | Example 4 | 50 | 21.0 |
| 5 | Comparative example 1 | 100 | 21.0 |
| 6 | Comparative example 2 | 150 | 21.0 |
| 7 | Comparative example 3 | 50 | 21.0 |
| 8 | Comparative example 4 | 70 | 21.0 |
| 9 | Comparative example 5 | 70 | 21.0 |
TABLE 2 Total control effects of the corn field weed control tests of examples 1 to 4 and comparative examples 1 to 5
Tests prove that the total weed control effect is more than 73% in 15 days after the three-component composition with different proportions of topramezone, flufenacet and atrazine is applied, the control effect is more than 84% after 30 days, the total weed control effect is more than 52% in 15 days after the two-component composition with different proportions of topramezone and atrazine is applied, and the control effect is more than 65% after 30 days. Then carrying out the optimum combination proportion of the topramezone, the flufenacet and the atrazine ternary composition.
Test No. two
Indoor bioassay:
indoor toxicity determination and formula screening of topramezone, flufenacet and atrazine on cornfield weeds and green bristlegrass.
The grass culture for testing adopts a pot culture method, the green bristlegrass (2-4 leaf stage) with consistent growth is selected, the spraying treatment is carried out, the fresh weight is measured after 7 days of treatment, the survival rate E of the weeds is calculated, the action type of the mixed medicament is evaluated by adopting a Colby method, and the rationality of the ratio is discussed.
Fresh weight of weeds × 100 in treated area/weight of weeds … … … … … … in control area (1)
The Colby method calculation formula:
x is the survival rate of the weed of the herbicide A when the dosage is P;
y-the survival rate of the weeds when the herbicide B is used at the dosage of Q;
z-the survival rate of weeds when the dosage is W;
e0-theoretical weed survival rate of herbicide (A + B + C) at the amount of (P + Q + W);
E-E0 is more than 10 percent of synergistic effect; E-E0 < -10% is antagonistic; values of E-E0 within. + -. 10% are additive effects.
TABLE 3 indoor toxicity determination of topramezone, flufenacet and atrazine compounded on green bristlegrass
As can be seen from the table above, the combination of topramezone, flufenacet and atrazine has an obvious synergistic effect on green bristlegrass. The three substances are combined for use, so that the using dosage of the pesticide can be effectively reduced. Particularly, when the weight ratio of topramezone to flufenacet to atrazine is 2: 8: the synergistic effect is most obvious when the dosage is 20 hours, and the synergistic effect is 15.8, which shows that the synergistic effect of the topramezone, the flufenacet and the atrazine in the mixture ratio is most obvious.
Experiment three
And (3) field test:
and (3) carrying out a field test by combining the specific embodiment 1, and determining the pesticide effect tests of topramezone, flufenacet and atrazine on preventing and killing annual gramineous and broadleaf weeds in the corn field.
Test agents: the product obtained in example 1 was used in test groups 1-3, the application dose (formulation dose) g/mu of test group 1 was 70, the application dose (formulation dose) g/mu of test group 2 was 90, the application dose (formulation dose) g/mu of test group 3 was 110, the control group 1 was 30% topramezone SC (basf), and the application dose (formulation dose) g/mu was 100; the control group 2 was 38% atrazine SC (self-formulated) and the application dose (formulation dose) g/mu was 120; control group 3 was 41% flufenacet SC (purchased) at a dose (formulation) of 110 g/acre; the blank control group did not use any herbicide;
the test method comprises the following steps: the test is carried out in a corn planting base in Henan province, the pesticide is applied to 3-5 leaf stages after corn seedlings, and the stem leaves are uniformly sprayed for 1 time by adopting a spraying method according to the designed dosage. The species and the number of the residual weeds in each treatment area are investigated in two times 15 days after the application of the herbicide and 30 days after the application of the herbicide, and the control effect of the weeds is calculated. The investigation method is carried out according to the stipulation of 'pesticide field efficacy test rule (I) that the herbicide prevents and treats the weeds in the corn field', and an absolute value investigation method is adopted. The specific test investigation method adopts a Z-shaped sampling method, 4 points are determined in each cell, and each point is 0.25m2。
TABLE 4 test design of test agents
TABLE 5 Total control effect of test groups 1-3, control group 1-3, and blank control group in corn field weed control test
As can be seen from the table 3, after application for 15 days and 30 days, the topramezone-flufenacet-atrazine compound composition can effectively control various weeds such as corn field barnyard grass, green bristlegrass, amaranth, black nightshade and the like, and under the test dose of 21-33 g/mu of active ingredients, the control effects of the applied 15 days and 30 days on the total grass plants in the corn field are respectively 80.1-93.2% and 90.0-96.8%; in the control groups 1-3, the dosage of the effective components of the drug is large, the effect of preventing and controlling weeds is poor, and the control effect of 15d and 30d after the drug is applied to the total grass plants in the corn field is 59.7-66%, 2%, 69, 9-76.7% respectively, so that the production cost is increased.
In conclusion, the composition contains the topramezone, the flufenacet and the atrazine pesticide combination, has a good control effect on the weeds in the corn field after seedling emergence, improves the pesticide effect after compounding, and prolongs the lasting period. The composition can effectively reduce the dosage of field pesticide application, and has important significance for field comprehensive control.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (10)
1. A pesticide composition containing topramezone, flufenacet and atrazine is characterized by comprising an effective component and auxiliary materials.
2. The pesticidal composition comprising topramezone, flufenacet and atrazine according to claim 1, wherein: the active ingredients are a composition of topramezone, flufenacet and atrazine.
3. The pesticidal composition comprising topramezone, flufenacet and atrazine according to claim 1, wherein: the content of the effective components in the pesticide composition accounts for 20-80% of the total weight of the pesticide composition.
4. A pesticidal composition comprising topramezone, flufenacet and atrazine according to claim 2, wherein: according to the weight part ratio, the topramezone comprises the following components in parts by weight: flufenacet: the proportion of atrazine is 1-8: 4-20: 10-40.
5. The pesticidal composition comprising topramezone, flufenacet and atrazine according to claim 4, wherein: according to the weight part ratio, the topramezone comprises the following components in parts by weight: flufenacet: the proportion of atrazine is 2: 8: 20.
6. the pesticidal composition comprising topramezone, flufenacet and atrazine according to claim 1, wherein: the auxiliary materials comprise a surfactant, a filler, a stabilizer and an antifreezing agent;
the surfactant is any one or more of anionic surfactant 1880-10, composite surfactant A800, composite surfactant EFW, carboxylate dispersant S100, dispersant N, alkyl naphthalene sulfonate or phenethyl phenol polyoxyethylene ether phosphate;
the filler is any one of montmorillonite, talcum powder, diatomite, white carbon black, ammonium sulfate, corn starch, organic bentonite or methyl oleate;
the stabilizer is one or more of citric acid, 4801, 4805, M-4 or antioxidant;
the antifreezing agent is any one of urea or solvent oil.
7. The pesticidal composition comprising topramezone, flufenacet and atrazine according to claim 6, wherein: according to the weight portion ratio, the weight portion of the surfactant accounts for 10-20 portions of the total weight of the auxiliary materials; the weight portion of the stabilizer accounts for 1-2 portions of the total weight of the auxiliary materials; the weight portion of the antifreezing agent accounts for 3-5 portions of the total weight of the auxiliary materials; the weight portion of the filler accounts for 20-70 portions of the total weight of the auxiliary materials.
8. The pesticidal composition comprising topramezone, flufenacet and atrazine according to claim 1, wherein: the pesticide composition is applied to preventing and removing gramineous weeds and broadleaf weeds in corn fields.
9. The pesticidal composition comprising topramezone, flufenacet and atrazine according to claim 1, wherein: the pesticide composition can be used for pre-emergence and post-emergence weeding and has a sealing effect.
10. The pesticidal composition comprising topramezone, flufenacet and atrazine according to claim 1, wherein: the pesticide composition is in the form of suspending agent, water dispersible granules, missible oil, microemulsion, aqueous emulsion or powder.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305346A (en) * | 1998-06-16 | 2001-07-25 | 巴斯福股份公司 | Herbicidal mixtures having synergistic effect |
| CN101715769A (en) * | 2009-11-12 | 2010-06-02 | 利尔化学股份有限公司 | Weeding composite |
| CN103004783A (en) * | 2012-11-26 | 2013-04-03 | 安徽省丰臣农化有限公司 | Compound pesticide composition containing flufenacet and topramezone and preparation thereof |
| CN103181391A (en) * | 2011-12-30 | 2013-07-03 | 山东滨农科技有限公司 | Herbicide composition comprising topramezone and atrazine |
| CN104126590A (en) * | 2014-08-15 | 2014-11-05 | 陕西上格之路生物科学有限公司 | Topramezone-containing herbicide composition for corn field |
| CN104855395A (en) * | 2015-05-24 | 2015-08-26 | 安徽丰乐农化有限责任公司 | Post-emergence herbicide composition containing topramezone, sulfentrazone and atrazine and used for corn |
-
2020
- 2020-05-29 CN CN202010482796.4A patent/CN111436444A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305346A (en) * | 1998-06-16 | 2001-07-25 | 巴斯福股份公司 | Herbicidal mixtures having synergistic effect |
| CN101715769A (en) * | 2009-11-12 | 2010-06-02 | 利尔化学股份有限公司 | Weeding composite |
| CN103181391A (en) * | 2011-12-30 | 2013-07-03 | 山东滨农科技有限公司 | Herbicide composition comprising topramezone and atrazine |
| CN103004783A (en) * | 2012-11-26 | 2013-04-03 | 安徽省丰臣农化有限公司 | Compound pesticide composition containing flufenacet and topramezone and preparation thereof |
| CN104126590A (en) * | 2014-08-15 | 2014-11-05 | 陕西上格之路生物科学有限公司 | Topramezone-containing herbicide composition for corn field |
| CN104855395A (en) * | 2015-05-24 | 2015-08-26 | 安徽丰乐农化有限责任公司 | Post-emergence herbicide composition containing topramezone, sulfentrazone and atrazine and used for corn |
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