CN110200008B - Herbicide synergistic additive and preparation method and application thereof - Google Patents
Herbicide synergistic additive and preparation method and application thereof Download PDFInfo
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- CN110200008B CN110200008B CN201910568939.0A CN201910568939A CN110200008B CN 110200008 B CN110200008 B CN 110200008B CN 201910568939 A CN201910568939 A CN 201910568939A CN 110200008 B CN110200008 B CN 110200008B
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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
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero 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
- A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
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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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
- A01N57/12—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing acyclic or cycloaliphatic radicals
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Abstract
The invention belongs to the technical field of pesticides, and particularly relates to a herbicide synergistic additive, and a preparation method and application thereof. The herbicide synergist is prepared by processing lecithin, polyether siloxane, vitamin E, a spreading penetrant, a surfactant, a defoaming agent and deionized water. The activity of the herbicide is improved, and the dosage of the herbicide is reduced, so that the environmental pollution is reduced, and the resistance of weeds to the herbicide is relieved.
Description
Technical Field
The invention belongs to the technical field of pesticides, and particularly relates to a herbicide synergistic additive, and a preparation method and application thereof.
Background
The herbicide industry in China develops gradually from inexistence to big, and a complete industrial system is formed. In more than 60 years, the herbicide industry in China has gone through a process from introduction to introduction, and from imitation to creation. According to statistics, nearly 200 herbicide varieties (effective components) registered by Ministry of agriculture are obtained in sequence since pesticide registration is carried out in China in 1982, more than 300 mixed pesticide combinations are obtained, and more than 1500 raw pesticide products and preparation products are obtained. The selective herbicide and the biocidal herbicide are classified into 2 types according to the toxic and insecticidal range. The biocidal herbicides include glyphosate (series), phosphinothricin, glufosinate-ammonium, bialaphos, paraquat, diquat, sulfometuron-methyl, sodium pentachlorophenate, etc., and the yield and the sales are very large although the number of varieties is small, for example, glyphosate is the largest herbicide sold worldwide.
In recent years, the herbicide is frequently used in a large area, brings convenience to crop production, and simultaneously has the problem of drug resistance of weeds. Statistically, more than 200 weeds are resistant to herbicides in the world. The reason why the problem of drug resistance of weeds is getting worse is that sensitive individuals in a weed population are killed continuously by using a single selective herbicide or different herbicides with the same action mechanism continuously for many years in the same area, resistant individuals with strong resistance and adaptability are retained and generate seeds continuously, and resistant individuals in the population are increased continuously, so that the drug resistant biotypes in the population gradually become the main body every year. When the resistance of weeds is enhanced, the dosage has to be increased in order to ensure the pesticide effect, so that the pesticide cost of farmers is increased, the environmental pollution is increased, and the safety of crops is influenced.
The results of a large amount of herbicide applied in fields show that many current herbicide products have poor use effects, more than 30-40% of the herbicide cannot play due roles after being sprayed in fields, and the inactive pesticide is lost and volatilized, thereby polluting the atmosphere, soil, water quality and even the whole ecological environment. In order to solve this problem, the addition of an auxiliary is currently the main solution.
The common auxiliary agents comprise surfactants, spreading penetrants, defoaming agents, polyether siloxanes and the like, and the herbicide auxiliary agents generally do not have herbicidal activity, but can play an important role in links such as droplet dispersion, adhesion, spreading, deposition, penetration, conduction and the like to promote the herbicide to play higher activity.
Soybean lecithin is a byproduct in the soybean processing process, is a phospholipid with low price and wide source, belongs to a mixture, is a group of yellow brown greasy substances existing in animal and plant tissues and yolk, and comprises phosphoric acid, choline, fatty acid, glycerol, glycolipid, triglyceride and phospholipid, and is known as a third nutrient in parallel with protein and vitamin. Due to the characteristic of lecithin, the lecithin can be used as a herbicide auxiliary agent, so that the flow of substances in a plant body can be promoted, the medicament can be promoted to move to a target part, and the aim of improving the medicament effect is fulfilled.
Disclosure of Invention
Aiming at the problems of enhanced weed resistance and low utilization rate of sprayed herbicide, the invention provides a herbicide synergistic additive, a preparation method and application thereof, which can improve the activity of the herbicide and reduce the dosage of the herbicide, thereby reducing the pollution to the environment and slowing the resistance of weeds to the herbicide.
The technical scheme of the invention is as follows:
a synergistic assistant for herbicide is prepared from lecithin, polyether siloxane, VE, spreading penetrant, surfactant, defoaming agent and deionized water.
The invention is also characterized in that:
the herbicide synergistic additive comprises the following components in percentage by weight: lecithin
Polyether siloxanes
0.01-0.1% of vitamin E, 5-15% of spreading penetrant and surfactant
0.2 to 0.8 percent of defoaming agent and the balance of deionized water to 100 percent.
Further preferably, the weight percentage of each component is lecithin
Polyether siloxanes
Vitamin E0.05-0.1%, spreading penetrant
Surface active agent
0.5 to 0.8 percent of defoaming agent and the balance of deionized water to 100 percent.
Further, the surfactant is one or the combination of any several of alkyl polyglycoside, citric acid alkyl ether ester, quaternary ammonium glucoside, methylated polyoxyethylene fatty acid and esterified polyoxyethylene glycerol.
Further, the developing penetrant is one or a combination of any several of organic silicon, glycerol, tridecyl alcohol ester and sodium alkyl benzene sulfonate.
Furthermore, the defoaming agent is one or the combination of any two of a silicone defoaming agent and a polyether defoaming agent.
The preparation method of the herbicide synergist comprises the steps of weighing the components in advance according to the weight percentage of the formula for later use, firstly putting deionized water into a reaction kettle, then putting lecithin, polyether siloxane and vitamin E into the reaction kettle, stirring the mixture until the lecithin, the polyether siloxane and the vitamin E are completely dissolved, then putting a surfactant into the reaction kettle, stirring and mixing the mixture for 30 minutes, adding a spreading penetrating agent and a defoaming agent, and continuously stirring and mixing the mixture for 20 minutes.
The herbicide synergist is tank mixed or added into a herbicide formula and is applied to biocidal herbicides and selective herbicides. For the biocidal herbicide, the biocidal herbicide effect is improved. For selective herbicides, the selectivity of the herbicide is obviously improved, and the effect of the selective herbicide is obviously improved.
The herbicide has the advantages of synergistic effect, obvious killing effect and selective synergistic effect, and can improve the activity of the herbicide and reduce the dosage of the herbicide, thereby retarding the resistance of weeds and reducing the pollution to the environment.
The invention has the beneficial effects that:
(1) the herbicide synergistic additive has strong spreading permeability, good stability and obvious synergistic effect, and can improve the activity of the herbicide and reduce the dosage of the herbicide, thereby retarding the resistance of weeds and reducing the pollution to the environment.
(2) The herbicide synergistic additive has universality, can be widely applied to various herbicides, can be used as an additive in a herbicide formula, and can be used in a tank mixing mode with a market herbicide product.
(3) The herbicide synergist disclosed by the invention is made of green, safe and environment-friendly materials, and is safe to human and environment in the processing and using processes.
In a word, the auxiliary agent and the herbicide are mixed for use, so that the pesticide effect can be obviously improved, the dosage is reduced, the pesticide cost can be reduced, the environmental pollution is reduced, and the resistance of weeds to the herbicide can be relieved.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not a whole embodiment. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The formula of the herbicide synergist is as follows: 15% of lecithin, 15% of polyether siloxane, 0.05% of vitamin E, 10% of alkyl polyglycoside, 10% of organic silicon, 0.5% of organic silicon defoamer and the balance of deionized water to 100%.
The preparation method of the synergistic additive in the embodiment 1 comprises the steps of weighing the components in advance according to the weight percentage of the formula for later use, firstly putting deionized water into a stirring kettle, then putting lecithin, polyether siloxane and vitamin E into the stirring kettle, stirring the materials until the lecithin, the polyether siloxane and the vitamin E are completely dissolved, then putting alkyl polyglycoside and organic silicon into the stirring kettle, mixing the materials for 30 minutes, adding the organic silicon defoaming agent into the stirring kettle, and continuously stirring and mixing the materials for 20 minutes.
The bactericidal composition is used for barrel mixing of the biocidal herbicide, the dosage of the biocidal herbicide is reduced, 5 g of the preparation in the example 1 is added, the dosage proportion of the synergistic adjuvant is 1:3000 (synergistic adjuvant: herbicide), the synergistic adjuvant and the synergistic adjuvant are mixed and diluted, the killing effect on grass is obviously higher than that of the conventional dosage treatment, and the synergistic effect is obvious.
Example 2
The formula of the herbicide synergist is as follows: 10% of lecithin, 15% of polyether siloxane, 0.05% of vitamin E, 10% of methylated polyoxyethylene fatty acid, 10% of glycerol, 0.5% of organic silicon defoamer and deionized water which are complemented to 100%.
The bactericidal composition is used for barrel mixing of the biocidal herbicide, the dosage of the biocidal herbicide is reduced, 5 g of the preparation in the example 2 is added, the dosage proportion of the synergistic adjuvant is 1:3000 (synergistic adjuvant: herbicide), the synergistic adjuvant and the herbicide are mixed and diluted, the killing effect on grass is obviously higher than that of the conventional dosage treatment, and the synergistic effect is obvious.
Example 3
The formula of the herbicide synergist is as follows: 5% of lecithin, 10% of polyether siloxane, 0.1% of vitamin E, 10% of alkyl polyoxyethylene glycerol, 10% of tridecyl alcohol ester, 0.8% of polyether defoamer and the balance of deionized water to 100%.
The bactericidal composition is used for barrel mixing of the biocidal herbicide, the dosage of the biocidal herbicide is reduced, 5 g of the preparation in the example 3 is added, the dosage proportion of the synergistic adjuvant is 1:3000 (synergistic adjuvant: herbicide), the synergistic adjuvant and the herbicide are mixed and diluted, the killing effect on grass is obviously higher than that of the conventional dosage treatment, and the synergistic effect is obvious.
Example 4
The formula of the herbicide synergist is as follows: 20% of lecithin, 10% of polyether siloxane, 0.05% of vitamin E, 10% of esterified polyoxyethylene glycerol, 10% of glycerol, 0.5% of organic silicon defoamer and deionized water for supplementing to 100%.
The bactericidal composition is used for barrel mixing of the biocidal herbicide, the dosage of the biocidal herbicide is reduced, 5 g of the preparation in example 4 is added, the dosage proportion of the synergistic adjuvant is 1:3000 (synergistic adjuvant: herbicide), the synergistic adjuvant and the synergistic adjuvant are mixed and diluted, the killing effect on grass is obviously higher than that of the conventional dosage treatment, and the synergistic effect is obvious.
Example 5
The formula of the herbicide synergist is as follows: 20% of lecithin, 15% of polyether siloxane, 0.05% of vitamin E, 10% of quaternary ammonium glucoside, 10% of sodium alkyl benzene sulfonate, 0.5% of polyether defoamer and the balance of deionized water to 100%.
The bactericidal composition is used for barrel mixing of the biocidal herbicide, the dosage of the biocidal herbicide is reduced, 5 g of the preparation in example 5 is added, the dosage proportion of the synergistic adjuvant is 1:3000 (synergistic adjuvant: herbicide), the synergistic adjuvant and the synergistic adjuvant are mixed and diluted, the killing effect on grass is obviously higher than that of the conventional dosage treatment, and the synergistic effect is obvious.
Example 6
The formula of the herbicide synergist is as follows: 15% of lecithin, 15% of polyether siloxane, 0.1% of vitamin E, 10% of citric acid alkyl ether ester, 10% of organic silicon, 0.8% of polyether defoamer and the balance of deionized water to 100%.
The bactericidal composition is used for barrel mixing of the biocidal herbicide, the dosage of the biocidal herbicide is reduced, 5 g of the preparation in the example 6 is added, the dosage proportion of the synergistic adjuvant is 1:3000 (synergistic adjuvant: herbicide), the synergistic adjuvant and the herbicide are mixed and diluted, the killing effect on grass is obviously higher than that of the conventional dosage treatment, and the synergistic effect is obvious.
Effect example 7
The herbicide effect test of the herbicide synergist and the biocidal herbicide in the tank mixture
Reagent to be tested: 200g/L glufosinate solution (Jingbo agrichemical science and technology limited); a 41% glyphosate isopropylamine salt aqueous solution (Jingbo agrichemical technologies Co., Ltd.) and an efficacy-enhancing adjuvant (example 1).
The tested weeds are broadleaf weeds (broadleaf hogfennel), grassy weeds (goosegrass herb) and cyperaceae weeds (cyperus rotundus).
The test method comprises the following steps of adopting a pot culture method for weed control effect measurement, treating 30 seeds of weeds according to a treatment mode, and planting the seeds in a pot. The efficacy test was carried out during the 3-4 leaf period of the weeds.
TABLE 1 herbicidal Effect of tank-mix use of the synergistic adjuvant of the present invention with herbicides
As can be seen from table 1: when the synergistic additive is mixed with 2 herbicides of 200g/L glufosinate ammonium aqua and 41% glyphosate isopropylamine aqua for use in a barrel, the weed control effect can be greatly improved.
Effect example 8
The synergistic auxiliary of the invention is applied to the herbicide formula for the efficacy test
The test reagent is 200g/L glufosinate-ammonium aqua (self-prepared, containing 25% of example 1); a41% aqueous solution of glyphosate isopropylamine salt (25% in example 1) was prepared.
The contrast agent is 200g/L glufosinate-ammonium aqua (Jingbo agrichemical science and technology Co., Ltd.); a41% aqueous solution of glyphosate isopropylamine (Jingbo agrichemical science and technology Co., Ltd.).
The tested weeds are broadleaf weeds (broadleaf hogfennel), grassy weeds (goosegrass herb) and cyperaceae weeds (cyperus rotundus).
The test method comprises the following steps of adopting a pot culture method for weed control effect measurement, treating 30 seeds of weeds according to a treatment mode, and planting the seeds in a pot. The efficacy test was carried out during the 3-4 leaf period of the weeds.
TABLE 2 weed control efficacy of the synergistic adjuvants of the invention in herbicidal formulations
As can be seen from table 2: 200g/L glufosinate solution (self-prepared, containing 25% of example 1) of the invention; compared with a control medicament, a 41% glyphosate isopropylamine salt aqueous solution (self-prepared, containing 25% of the embodiment 1) greatly improves the weed control effect.
Effect example 9
The synergistic auxiliary of the invention is applied to the pesticide effect test in the selective herbicide formula
The test reagent is 40g/L nicosulfuron dispersible oil suspending agent (Jingbo agro-chemical science and technology Co., Ltd.);
and (3) synergistic auxiliary agent: example 2
The tested weeds are broadleaf weeds (Amaranthus retroflexus), gramineous weeds (Eleusine indica) and cyperaceae weeds (Cyperus rotundus).
The test method comprises the following steps of adopting a pot culture method for weed control effect measurement, treating 30 seeds of weeds according to the number of 30 seeds, planting the seeds in a pot, and planting 30 corns in the pot. The pesticide effect test is carried out in the period of 3-5 leaves of corn and 3-4 leaves of weed.
TABLE 3 weed control Effect of the synergistic adjuvant of the present invention in tank mix with Selective herbicide
As can be seen from table 3: after the 40g/L nicosulfuron dispersible oil suspending agent is added into the synergist of the embodiment 2, the weeding effect is obviously improved, the selectivity of the nicosulfuron dispersible oil suspending agent to corn is obviously improved, and the safety is obviously improved.
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 or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (1)
1. The application of the herbicide synergist is characterized in that the herbicide synergist is prepared by processing lecithin, polyether siloxane, vitamin E, methylated polyoxyethylene fatty acid, glycerol, an organic silicon defoamer and deionized water;
the weight percentages of the components are as follows: 10% of lecithin, 15% of polyether siloxane, 0.05% of vitamin E, 10% of methylated polyoxyethylene fatty acid, 10% of glycerol, 0.5% of organic silicon defoamer and the balance of deionized water to 100%;
the herbicide synergist is used for barrel mixing of a biocidal herbicide for preventing and controlling weeds in a corn field, and the biocidal herbicide is a nicosulfuron dispersible oil suspending agent.
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| CN113907068A (en) * | 2021-10-09 | 2022-01-11 | 湖北高德生物科技有限公司 | Pesticide suspension synergist containing lecithin and vitamins and preparation method thereof |
| CN114668019B (en) * | 2022-04-12 | 2023-04-25 | 山东省农业科学院 | Synergistic auxiliary agent for herbicide |
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| CN106417287A (en) * | 2016-10-12 | 2017-02-22 | 海南博士威农用化学有限公司 | Herbicide synergy additive |
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Address after: 256500 Boxing Economic Development Zone, Shandong, Binzhou Patentee after: Shandong Jingbo Agrochemical Technology Co.,Ltd. Address before: 256500 Boxing Economic Development Zone, Shandong, Binzhou Patentee before: JINGBO AGROCHEMICALS TECHNOLOGY Co.,Ltd. |