CN114668002B - Herbicide synergistic additive for killing brome in wheat field, preparation method and application thereof - Google Patents
Herbicide synergistic additive for killing brome in wheat field, preparation method and application thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
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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
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Abstract
The invention belongs to the technical field of pesticides, and in particular relates to a herbicide synergistic agent for killing brome in wheat fields, a preparation method and application thereof.
Description
Technical Field
The invention belongs to the technical field of pesticides, and particularly relates to a herbicide synergistic auxiliary agent for killing brome in wheat fields, a preparation method and application thereof.
Background
The organic chemical herbicide period began in 1932 with the discovery of the selective herbicide dinitrophenol. The development history of pesticide herbicide is brief, the beginning of farmland chemical weeding can be traced to the end of 19 th century, and when European grape downy mildew is prevented, it is occasionally found that Boerdos can damage some cruciferous weeds without damaging cereal crops; the weeding effect of sulfuric acid, copper sulfate and the like is simultaneously found in France, germany and the United states, and the weeding agent is used for weeding wheat and the like. The glyphosate synthesized in 1971 has the characteristics of broad herbicide spectrum and no pollution to the environment, is a major breakthrough of organophosphorus herbicides, but is not suitable for wheat fields due to smaller seedling spacing of the wheat fields.
The herbicide comprises a selective herbicide and a broad-spectrum biocidal herbicide, the wheat Tian Youyu seedlings have smaller spacing, and the selective herbicide is needed to be selected; although the selective herbicide is harmless to wheat crops, the control effect on some weeds also becomes worse year by year with the enhancement of weed resistance.
Brome (academic name: bromus japonica thunb. Ex Murr.) is an annual herb of the genus brome of the family Gramineae. The stalk is vertical and can reach 90 cm. The leaf sheath is closed, the tip of the leaf tongue is nearly circular, and the two sides of the leaf are soft. Because of soft hair on the two sides of the blade, the liquid medicine is spread and has poor permeation effect.
The selective herbicide commonly used in recent years can not effectively kill the brome weeds, and a large amount of field herbicide application effects show that even if the dosage is increased by more than 35-40%, the brome can not be effectively killed after the field herbicide is sprayed. And the redundant medicaments are lost and volatilized, so that the pollution to the atmosphere, soil, water quality and even the whole ecological environment is caused.
Aiming at the situation, the prevention and treatment effect on brome is improved by mainly using a synergistic auxiliary agent at present, and the synergistic agent plays roles in links such as fog drop dispersion, adhesion, spreading, deposition, permeation, conduction and the like, but the effect of the traditional synergistic agent is not ideal.
Disclosure of Invention
Aiming at the problems, the invention provides a herbicide synergistic agent for killing brome in wheat fields, a preparation method and application thereof, wherein the herbicide synergistic agent improves the activity of herbicide, can effectively prevent and treat the brome, can reduce the dosage of the herbicide, reduces the pollution to the environment and slows down the resistance of the brome to the herbicide.
The technical scheme of the invention is as follows:
the first aspect of the invention:
the herbicide synergistic agent for killing brome in wheat fields comprises, by weight, 1% -10% of sodium isopropyl naphthalene sulfonate, 3% -20% of modified fatty amine polymer, 5% -40% of wetting penetrating agent and 100% of environment-friendly solvent.
As a specific implementation mode, the herbicide synergistic auxiliary agent comprises 5-10% of sodium isopropyl naphthalene sulfonate, 10-20% of modified fatty amine polymer, 20-40% of wetting penetrating agent and 100% of environment-friendly solvent.
As a specific embodiment, the wetting penetrating agent is one or the combination of a plurality of glycerol, siloxane and modified polymer thereof, fatty alcohol polyoxyethylene ether and sodium di-sec-octyl maleate sulfonate in any proportion.
As a specific embodiment, the environment-friendly solvent is one or the combination of a plurality of methyl oleate, soybean oil and epoxy compounds thereof, fatty acid methyl ester, corn oil and mineral oil in any proportion.
The modified aliphatic amine polymer used in the invention is purchased from Nanjing Jie Run technology Co., ltd.
The modified fatty amine polymer is a good surfactant, has excellent emulsifying property and bactericidal activity, and has extremely effective synergistic performance on herbicide, bactericide and insecticide; the modified fatty amine polymer and the medicament can obviously improve the adhesion, expansion and permeation capacity of the medicament after being mixed, so that the rain erosion resistance and the weeding efficiency of the herbicide can be improved. Sodium isopropyl naphthalene sulfonate is a surfactant with stronger wettability, has excellent functions of dispersion, low foam, hard water resistance, flocculation resistance and the like, and especially can be mixed with granular pesticides to help to improve the disintegration speed of pesticide particles, improve the suspension performance of the pesticide, and can obviously improve the dispersion and wetting diffusion of the pesticide when mixed with suspending agent pesticides; not only is favorable for the stability of the medicament in water, but also can effectively reduce the surface tension of the liquid medicine and improve the adsorption, spreading and permeation speed of the liquid medicine on plant leaves.
The herbicide synergistic auxiliary agent for killing the brome in the wheat field provided by the invention is prepared by combining four substances, and is a combination which has obvious synergistic effect and is screened aiming at the brome. Because the brome leaves are dense and hard, thin and slender, the two sides of the leaves are soft and soft, the leaves are difficult to wet and the permeability is extremely poor, so that a single synergistic agent or a common synergistic agent cannot be quickly adhered and infiltrated after being sprayed, a large amount of liquid medicine is lost, the drug effect is difficult to exert, and the environment is polluted. Under the multiple actions of the modified fatty amine polymer, the sodium isopropyl naphthalene sulfonate and the wetting and penetrating agent, the wetting and penetrating performance of the medicament is greatly enhanced, the medicament can be quickly adhered and spread on the surface of a brome leaf surface and is subjected to diffusion and penetration, and the environment-friendly solvent in the composition has the effects of adhesion and moisture preservation, so that the residence time of the medicament on plants can be prolonged, the medicament absorption and action time can be prolonged, and the medicament utilization rate can be obviously improved.
The second aspect of the invention:
the preparation method of the herbicide synergistic agent comprises the steps of weighing 15-30% of environment-friendly solvent according to the weight percentage of the formula for standby, adding the modified aliphatic amine polymer and sodium isopropyl naphthalene sulfonate while stirring, adding the wetting penetrating agent and the rest environment-friendly solvent, heating to 35-40 ℃, and continuously stirring and mixing for 20-50 minutes.
A third aspect of the invention:
the herbicide synergistic assistant is used for preventing and controlling brome in wheat fields.
As a specific embodiment: mixing the synergistic auxiliary agent with herbicide in a barrel manner or using the synergistic auxiliary agent as an auxiliary agent in a herbicide formula of a wheat field
As a specific embodiment: the weight ratio of the herbicide synergistic auxiliary agent to the herbicide is 7.5-10:1.
As a specific embodiment: the herbicide is flucarbazone-sodium
The invention has the beneficial effects that:
(1) The herbicide synergistic additive for killing the brome in the wheat field can increase the adhesive force and the permeability of the medicament on the brome, so that the activity of killing the brome by the selective herbicide is obviously improved;
(2) The herbicide dosage is reduced due to the improvement of the activity of the herbicide, so that the resistance of brome is slowed down and the pollution to the environment is reduced;
(3) The herbicide synergistic auxiliary agent has universality, can be widely applied to the synergism of the herbicide in the wheat field on the brome, can be directly mixed with the herbicide in the wheat field in a barrel for use, and can also be used as the auxiliary agent in the herbicide formula in the wheat field;
(4) The herbicide synergistic agent disclosed by the invention uses green, safe and environment-friendly components, and is safe to human beings and environment in the processing and using processes.
In conclusion, the herbicide synergistic auxiliary agent and the herbicide are mixed for use, so that the pesticide effect can be obviously improved, the control effect of the herbicide on the brome is improved, and the dosage is reduced, thereby reducing the medication cost, reducing the environmental pollution and also slowing down the resistance of the brome to the herbicide.
Drawings
Fig. 1 is a graph showing the effect of brome control 25d after 70% flucarbazone-sodium WDG application;
FIG. 2 is a graph of the control effect of brome 25d after application of 70% flucarbazone-sodium WDG+ herbicide co-formulation of example 1;
FIG. 3 is a graph showing the effect of 70% flucarbazone-sodium WDG+the herbicide co-formulation of example 2 on brome control 25d after application;
FIG. 4 is a graph showing the control effect of brome 25d after application of 70% flucarbazone-sodium WDG+the herbicide co-formulation of example 3;
FIG. 5 is a graph of the control effect of brome 25d after application of 70% flucarbazone-sodium WDG+ herbicide co-formulation of example 4;
FIG. 6 is a graph of the control effect of brome 25d after application of 70% flucarbazone-sodium WDG+the herbicide co-formulation of example 5;
FIG. 7 is a graph showing the control effect of brome 25d after application of 70% flucarbazone-sodium WDG+ herbicide co-formulation of comparative example 1;
FIG. 8 is a graph of the control effect of brome 25d after application of 70% flucarbazone-sodium WDG+ herbicide co-formulation of comparative example 2;
FIG. 9 is a graph of the control effect of brome 25d after 70% flucarbazone-sodium WDG+ the herbicide co-formulation of comparative example 3;
FIG. 10 is a graph of the control effect of brome 25d after application of 70% flucarbazone-sodium WDG+ herbicide co-formulation of comparative example 4;
FIG. 11 is a graph of the control effect of brome 25d after 70% flucarbazone-sodium WDG+ the herbicide co-formulation of comparative example 5;
fig. 12 is a graph showing the control effect of brome 25d after spraying clean water.
Detailed Description
In order to better understand the technical solutions of the present invention, the following description will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
The following percentages are weight percentages, and the herbicide in the following examples is 70% flucarbazone water dispersible granule.
Example 1
A herbicide synergistic auxiliary agent for killing brome in wheat fields, which comprises the following formula: sodium isopropyl naphthalene sulfonate 5%, modified fatty amine polymer 15%, polytrisiloxane 30%, methyl oleate 50%;
the preparation method comprises the steps of weighing the components according to the weight percentage of the formula in advance for standby, firstly putting 20% of methyl oleate into a stirring kettle, starting stirring, then putting sodium isopropyl naphthalene sulfonate, modified fatty amine polymer and poly-trioxysilane into the stirring kettle, adding the rest methyl oleate, heating to 40 ℃, stirring until the mixture is completely dissolved, and mixing for 30 minutes; the herbicide synergistic auxiliary agent is used for selective herbicide tank mixing, the dosage of selective herbicide is reduced, 30 g of the preparation of the example 1 is added, the weight ratio of the herbicide synergistic auxiliary agent to the herbicide is 7.5:1, the herbicide synergistic auxiliary agent and the herbicide are mixed and diluted, the control effect on brome is obviously higher than that of the original herbicide treatment, and the synergistic effect is obvious.
Example 2
A herbicide synergistic auxiliary agent for killing brome in wheat fields, which comprises the following formula: 8% of sodium isopropyl naphthalene sulfonate, 18% of modified fatty amine polymer, 30% of glycerol and 44% of epoxidized soybean oil;
the preparation method comprises the steps of weighing the components according to the weight percentage of the formula in advance for standby, firstly putting 20% of epoxidized soybean oil into a stirring kettle, starting stirring, then putting sodium isopropyl naphthalene sulfonate, modified fatty amine polymer and poly-trioxysilane into the stirring kettle, adding the rest epoxidized soybean oil, heating to 40 ℃, stirring until the components are completely dissolved, and mixing for 30 minutes; the herbicide synergistic assistant is used for selective herbicide tank mixing, the dosage of selective herbicide is reduced, 30 g of the preparation of the example 2 is added, the proportion relationship between the herbicide synergistic assistant and the dosage of the herbicide is 7.5:1 (herbicide synergistic assistant: herbicide), the herbicide synergistic assistant and the herbicide synergistic assistant are mixed and diluted, and the control effect on brome is obviously higher than that of the original herbicide treatment, and the synergistic effect is obvious.
Example 3
A herbicide synergistic auxiliary agent for killing brome in wheat fields, which comprises the following formula: sodium isopropyl naphthalene sulfonate 5%, modified fatty amine polymer 20%, polytrisiloxane phosphate 30%, mineral oil 45%;
the preparation method comprises weighing the above components according to the weight percentage of the formula in advance, firstly putting 20% of mineral oil into a stirring kettle, starting stirring, then putting sodium isopropyl naphthalene sulfonate, modified fatty amine polymer and poly-trioxysilane into the stirring kettle, adding the rest ring mineral oil, heating to 40 ℃, stirring until the mineral oil is completely dissolved, and mixing for 30 minutes;
the herbicide synergistic assistant is used for selective herbicide tank mixing, the dosage of selective herbicide is reduced, 30 g of the preparation of the example 3 is added, the weight ratio of the herbicide synergistic assistant to the herbicide is 7.5:1 (herbicide synergistic assistant: herbicide), the herbicide synergistic assistant and the herbicide are mixed and diluted, and the control effect on brome is obviously higher than that of the original herbicide treatment, and the synergistic effect is obvious.
Example 4
A herbicide synergistic auxiliary agent for killing brome in wheat fields, which comprises the following formula: 5% of sodium isopropyl naphthalene sulfonate, 18% of modified fatty amine polymer, 30% of polysilicone phosphate, 10% of di-sec-octyl maleate sodium sulfonate and 37% of fatty acid methyl ester;
the preparation method comprises the steps of weighing the components according to the weight percentage of the formula in advance for standby, firstly putting 20% of fatty acid methyl ester into a stirring kettle, starting stirring, then putting sodium isopropyl naphthalene sulfonate, modified fatty amine polymer and poly-trioxysilane into the stirring kettle, adding the rest fatty acid methyl ester, heating to 40 ℃, stirring until the fatty acid methyl ester is completely dissolved, and mixing for 30 minutes; the herbicide synergistic assistant is used for selective herbicide tank mixing, the dosage of selective herbicide is reduced, 30 g of the preparation of the example 4 is added, the weight ratio of the herbicide synergistic assistant to the herbicide is 7.5:1 (herbicide synergistic assistant: herbicide), the herbicide synergistic assistant and the herbicide are mixed and diluted, and the control effect on brome is obviously higher than that of the original herbicide treatment, and the synergistic effect is obvious.
Example 5
A herbicide synergistic auxiliary agent for killing brome in wheat fields, which comprises the following formula: 5% of sodium isopropyl naphthalene sulfonate, 18% of modified fatty amine polymer, 30% of polysilicone phosphate, 10% of polycarboxylate and 37% of methyl oleate; the preparation method comprises the steps of weighing the components according to the weight percentage of the formula in advance for standby, firstly putting 20% of methyl oleate into a stirring kettle, starting stirring, then putting sodium isopropyl naphthalene sulfonate, modified fatty amine polymer and poly-trioxysilane into the stirring kettle, adding the rest methyl oleate, heating to 40 ℃, stirring until the mixture is completely dissolved, and mixing for 30 minutes;
the herbicide synergistic assistant is used for selective herbicide tank mixing, the dosage of selective herbicide is reduced, 30 g of the preparation of the example 4 is added, the proportion relationship between the herbicide synergistic assistant and the dosage of the herbicide is 7.5:1 (herbicide synergistic assistant: herbicide), the herbicide synergistic assistant and the herbicide synergistic assistant are mixed and diluted, and the control effect on brome is obviously higher than that of the original herbicide treatment, and the synergistic effect is obvious.
Comparative example 1
The herbicide synergistic agent is a power saving auxiliary agent (Jingbnong chemical technology Co., ltd.) which is used for selective herbicide tank mixing, the dosage of selective herbicide is reduced, 30 g of the preparation of comparative example 1 is added, the ratio of the herbicide synergistic agent to the herbicide dosage is 7.5:1 (herbicide synergistic agent: herbicide), the two are mixed and diluted, the control effect on brome is obviously higher than that of the original herbicide treatment, and the synergistic effect is obvious but not ideal.
Comparative example 2
A herbicide synergistic auxiliary agent, which comprises the following formula: 5% of sodium isopropyl naphthalene sulfonate, 30% of polytrisiloxane phosphate, 10% of polycarboxylate and 55% of methyl oleate;
the preparation method comprises weighing the above components according to the weight percentage of the formula in advance, firstly adding 20% methyl oleate into a stirring kettle, starting stirring, then adding sodium isopropyl naphthalene sulfonate and polytrialkoxysilane, adding the rest methyl oleate, heating to 40 ℃, stirring until the rest methyl oleate is completely dissolved, and mixing for 30 minutes;
the herbicide synergistic assistant is used for selective herbicide tank mixing, the dosage of selective herbicide is reduced, 30 g of the preparation of comparative example 2 is added, the proportion relationship between the herbicide synergistic assistant and the dosage of herbicide is 7.5:1 (herbicide synergistic assistant: herbicide), the herbicide synergistic assistant and the herbicide synergistic assistant are mixed and diluted, and the control effect on brome is higher than that of the original herbicide treatment, but the synergistic effect is general.
Comparative example 3
A herbicide synergistic auxiliary agent, which comprises the following formula: 18% of modified fatty amine polymer, 30% of polysiloxane phosphate, 10% of polycarboxylate and 42% of methyl oleate;
the preparation method comprises weighing the above components according to the weight percentage of the formula in advance, firstly adding 20% methyl oleate into a stirring kettle, starting stirring, then adding modified fatty amine polymer and poly-trioxysilane, adding the rest methyl oleate, heating to 40 ℃, stirring until the rest methyl oleate is completely dissolved, and mixing for 30 minutes;
the herbicide synergistic assistant is used for selective herbicide tank mixing, the dosage of selective herbicide is reduced, 30 g of the preparation of comparative example 3 is added, the proportion relationship between the herbicide synergistic assistant and the dosage of herbicide is 7.5:1 (herbicide synergistic assistant: herbicide), the herbicide synergistic assistant and the herbicide synergistic assistant are mixed and diluted, and the control effect on brome is higher than that of the original herbicide treatment, but the synergistic effect is general.
Comparative example 4
A herbicide synergistic auxiliary agent, which comprises the following formula: 5% of calcium lignosulfonate, 18% of modified fatty amine polymer, 30% of polysilicone phosphate, 10% of polycarboxylate and 37% of methyl oleate;
the preparation method comprises the steps of weighing the components according to the weight percentage of the formula in advance for standby, firstly putting 20% of methyl oleate into a stirring kettle, starting stirring, then putting calcium lignosulfonate, modified fatty amine polymer and poly-trioxysilane into the stirring kettle, adding the rest of methyl oleate, heating to 40 ℃, stirring until the mixture is completely dissolved, and mixing for 30 minutes;
the herbicide synergistic assistant is used for selective herbicide tank mixing, the dosage of selective herbicide is reduced, 30 g of the preparation of comparative example 4 is added, the proportion relationship between the herbicide synergistic assistant and the dosage of herbicide is 7.5:1 (herbicide synergistic assistant: herbicide), the herbicide synergistic assistant and the herbicide synergistic assistant are mixed and diluted, and the control effect on brome is higher than that of the original herbicide treatment, but the synergistic effect is general.
Comparative example 5
A herbicide synergistic auxiliary agent, which comprises the following formula: naphthalene sulfonic acid formaldehyde condensate sodium salt (NNO) 5%, modified fatty amine polymer 18%, polysilicone phosphate 30%, polycarboxylate 10% and methyl oleate 37%;
the preparation method comprises the steps of weighing the components according to the weight percentage of the formula in advance for standby, firstly putting 20% of methyl oleate into a stirring kettle, starting stirring, then putting naphthalene sulfonic acid formaldehyde condensate sodium salt, modified fatty amine polymer and poly-trioxysilane into the stirring kettle, adding the rest methyl oleate, heating to 40 ℃, stirring until the mixture is completely dissolved, and mixing for 30 minutes; the herbicide synergistic assistant is used for selective herbicide tank mixing, the dosage of selective herbicide is reduced, 30 g of the preparation of comparative example 5 is added, the proportion relationship between the herbicide synergistic assistant and the dosage of herbicide is 7.5:1 (herbicide synergistic assistant: herbicide), the herbicide synergistic assistant and the herbicide synergistic assistant are mixed and diluted, and the control effect on brome is higher than that of the original herbicide treatment, but the synergistic effect is general.
Test examples
Performing tank mixing using efficacy test on herbicide synergistic auxiliary agent and selective herbicide;
test agent: the herbicide is selected from 70% flucarbazone water dispersible granule (Jingbunong chemical Co., ltd.);
the herbicide efficiency enhancing additive is selected as the products of examples 1-5 and comparative examples 1-5;
the weight ratio of the herbicide synergistic auxiliary agent to the herbicide is as follows: 7.5:1;
weed to be tested, brome;
the test method comprises the steps of using a potting method to measure the prevention effect of the brome, treating the brome seeds according to each 20 seeds, planting the brome seeds in a pot, and carrying out a drug effect test in the 3-4 leaves period of the brome;
the application method comprises the following steps: preparing a liquid medicine with the concentration of the flucarbazone-sodium of 180ppm by adding water into 70% of flucarbazone-sodium water dispersible granules, 70% of flucarbazone-sodium water dispersible granules and herbicide synergistic auxiliary agent, and uniformly spraying the liquid medicine to potted brome; and (3) clear water control: uniformly spraying clear water to the potted brome.
Table 1 shows the herbicidal synergistic assistant used in combination with the herbicide in the tank, and the control effect of the herbicide and clear water on brome.
Table 1 70% flucarbazone-sodium WDG added with fresh weight table of brome as different auxiliary agent (25 d after application)
As can be seen from table 1: when the herbicide synergistic agent is used by barrel mixing with 70% flucarbazone water dispersible granule, the control effect on brome can be greatly improved, and the control effect is obviously higher than that of 70% flucarbazone WDG and other herbicide synergistic agents; 1-11, it can also be obviously seen that the herbicide synergistic agent of the invention is used with herbicide, the effect of killing brome is obviously better than that of 70% flucarbazone-sodium WDG and other herbicide synergistic agents, the synergistic effect of the herbicide synergistic agent of the invention is obvious, the power saving agent and other herbicide synergistic agents are used with flucarbazone-sodium, compared with the use of only 70% flucarbazone-sodium water dispersible granule, although the growth of brome can be inhibited to a certain extent, the synergistic effect of the herbicide synergistic agent of the invention is optimal, and the herbicide synergistic agent of the invention of the embodiment 5 and 70% flucarbazone-sodium water dispersible granule can kill brome when brome seedlings are used; the herbicide synergistic additive for killing the brome in the wheat field can increase the adhesive force and the permeability of the medicament on the brome, so that the activity of killing the brome by the selective herbicide is obviously improved. The herbicide synergistic auxiliary agent is mixed with the herbicide for use, so that the pesticide effect can be obviously improved, the control effect of the herbicide on the brome is improved, and the dosage is reduced, thereby reducing the cost of the herbicide, reducing the environmental pollution and also slowing down the resistance of the brome to the herbicide. The auxiliary agent disclosed by the invention is used in combination with flucarbazone, and can be used for effectively killing brome in wheat fields.
Although the present invention has been described in detail by way of the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and it is intended that all such modifications and substitutions be within the scope of the present invention/be within the scope of the present invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The herbicide synergistic agent for killing brome in wheat fields is characterized by comprising, by weight, 1% -10% of sodium isopropyl naphthalene sulfonate, 3% -20% of modified fatty amine polymer, 5% -40% of wetting penetrating agent and 100% of environment-friendly solvent;
the wetting penetrating agent is one or the combination of several of glycerol, siloxane, modified polymer thereof, fatty alcohol polyoxyethylene ether and sodium di-sec-octyl maleate sulfonate in any proportion;
the herbicide is flucarbazone-sodium.
2. The herbicide synergistic adjuvant according to claim 1, wherein the herbicide synergistic adjuvant comprises 5% -10% of sodium isopropyl naphthalene sulfonate, 10% -20% of modified fatty amine polymer, 20% -40% of wetting penetrating agent and 100% of environment-friendly solvent.
3. The herbicide synergistic assistant as claimed in claim 1 or 2, wherein the environment-friendly solvent is one or a combination of several of methyl oleate, soybean oil and its epoxy compound, fatty acid methyl ester, corn oil and mineral oil in any proportion.
4. The method for preparing the herbicide synergistic agent as claimed in any one of claims 1 to 3, characterized in that 15 to 30% of environment-friendly solvent is firstly put into a reaction kettle, modified aliphatic amine polymer and sodium isopropyl naphthalene sulfonate are put into the reaction kettle while stirring, wetting penetrating agent and the rest environment-friendly solvent are added, the temperature is raised to 35 to 40 ℃, and stirring and mixing are continued for 20 to 50 minutes.
5. Use of a herbicide co-agent as defined in any one of claims 1 to 3 for controlling brome in wheat fields.
6. The use according to claim 5, characterized in that the co-agent is tank-mixed with the herbicide or as an auxiliary agent in a herbicide formulation for wheat fields.
7. The use according to claim 6, wherein the weight ratio of the herbicide synergistic agent to the herbicide is 7.5-10:1.
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| CN106259325B (en) * | 2016-08-17 | 2019-11-22 | 河北威远生物化工有限公司 | A kind of glufosinate-ammonium synergia solubility granula and preparation method thereof |
| CN108477155B (en) * | 2018-03-22 | 2021-08-10 | 河北省农林科学院植物保护研究所 | Method for improving weed control effect of herbicide on wheat field |
| CN108849870A (en) * | 2018-06-22 | 2018-11-23 | 河北威远生物化工有限公司 | Bentazone and florasulam Synergistic herbicide compositions and its dispersible oil-suspending agent |
| CN111184004A (en) * | 2020-01-16 | 2020-05-22 | 上海明德立达生物科技有限公司 | Pesticide composition and application thereof |
| CN113383780B (en) * | 2020-03-11 | 2023-05-02 | 沈阳中化农药化工研发有限公司 | Weeding preparation and application thereof |
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