CN111616151A - Chemical herbicide composition and application thereof - Google Patents
Chemical herbicide composition and application thereof Download PDFInfo
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- CN111616151A CN111616151A CN202010681112.3A CN202010681112A CN111616151A CN 111616151 A CN111616151 A CN 111616151A CN 202010681112 A CN202010681112 A CN 202010681112A CN 111616151 A CN111616151 A CN 111616151A
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- herbicide
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- herbicides
- triazine
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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
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
- A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
- A01N39/04—Aryloxy-acetic acids; Derivatives thereof
-
- 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
Abstract
The invention discloses a chemical herbicide composition and application thereof, and belongs to the technical field of herbicides. The chemical herbicide composition consists of triazolinone herbicide, propionate herbicide and triazine selective systemic conduction herbicide in a mass ratio of 2.1-3:1.4-2:1, wherein the triazolinone herbicide is carfentrazone-ethyl; the propionate herbicide is cyhalofop-butyl; the triazine selective systemic herbicide is ametryn. The composition can be applied to controlling endive in compositae. The invention combines the known herbicides and reasonably matches the herbicides to be applied to controlling the endives, the control effect after mixing is greatly improved compared with that of single agents, the single agents can complement each other in advantages, the dosage of each single agent is reduced, the use dosage and the phytotoxicity of triazine selective systemic conduction herbicides are reduced, and meanwhile, the single agents after mixing are synergistically complemented, and the generation of the drug resistance of weeds is delayed.
Description
Technical Field
The invention belongs to the technical field of herbicides, and particularly relates to a chemical herbicide composition and application thereof.
Background
Chemical herbicides are a kind of medicaments which can effectively inhibit or eliminate the growth of weeds, and the action mechanism of the chemical herbicides mainly comprises acting on plants to force the photosynthesis, respiration, nitrogen metabolism and the like of the plants not to be carried out; or affecting the division, elongation and differentiation of plant cells, and stopping the growth of the plant until the plant dies; or act on the plant cells to increase the thickness of the meat cells, so as to destroy the water balance in the plant body and finally cause the plant to lose water and die. Chemical herbicides are widely used in agriculture and forestry production and are the most efficient weed control methods for raising crop yield and increasing agricultural benefits. However, the application of the existing chemical herbicide has many problems, such as excessive use of the herbicide, and long-term use of the herbicide with single or same mechanism not only causes pollution to soil and the like and generates serious negative effects on ecological environment, but also accelerates the generation of drug resistance of weeds, changes the group structure of the weeds, influences weeding efficiency and poses great threat to weed control.
At present, a novel herbicide with broad spectrum, high efficiency and low pollution is obtained through compound mixing and research and development, and is an important research direction in the field of weed control. Wherein, compared with the research and development of new products, the compound mixing has the advantages of small investment and short period, and is more emphasized by researchers at home and abroad. The compound use of the herbicide means that the herbicide or the auxiliary agent with different action types or active ingredients is mixed and used according to a certain proportion in the application of the herbicide, the effect of expanding the weed control spectrum is achieved on the premise of keeping higher pesticide effect, the pollution to the environment can be reduced, the generation of the drug resistance of weeds can be delayed to a certain extent, and better results are obtained in the application of the herbicide. Such as azimsulfuron-fenoxaprop-p-ethyl or azimsulfuron-fenoxaprop-p-ethyl, the weeding effect can be effectively improved, and the generation of antagonism can be delayed. However, based on the long-term development of agriculture and forestry, there is a need to scientifically and effectively develop more compound herbicides so as to meet the market demand of safe, environment-friendly, low-toxicity, high-efficiency and remarkable-specificity compound herbicides.
Disclosure of Invention
The purpose of the invention is: the triazolinone herbicide, the propionate herbicide and the triazine selective systemic conduction herbicide are combined in a certain proportion, so that the control effect on the endive weeds in the compositae is improved, and meanwhile, the components interact with each other, so that the generation of drug resistance of the endive weeds in the compositae is delayed.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a chemical herbicide composition, which consists of triazolinone herbicide, propionate herbicide and triazine selective systemic conduction herbicide in a mass ratio of 2.1-3:1.4-2: 1.
In some preferred embodiments of the present invention, the composition consists of a triazolinone herbicide, a propionate herbicide and a triazine selective systemic herbicide in a mass ratio of 2.5:1.5: 1.
In some preferred embodiments of the present invention, the triazolinone herbicide is carfentrazone-ethyl; the propionate herbicide is cyhalofop-butyl; the triazine selective systemic herbicide is ametryn.
In some embodiments of the invention, the composition consists of carfentrazone-ethyl, cyhalofop-butyl and ametryn in a mass ratio of 2.5:1.5: 1.
In the research of the triazolinone herbicide for controlling the weeds of endive in the compositae, the inventor unexpectedly finds that the triazolinone herbicide, the propionate herbicide and the triazine selective systemic conduction herbicide are combined according to the mass ratio of 2.1-3:1.4-2:1, so that the control efficiency of the single triazolinone herbicide on the endive can be effectively improved, and the drug resistance of the endive to the pesticide can be delayed.
The triazolinone herbicide is protoporphyrinogen oxidase (PPO) inhibition herbicide, and mainly causes cell membrane damage by inhibiting protoporphyrinogen oxidase in a chlorophyll biosynthesis process, so that leaves are quickly dried and dead; propionate herbicides are systemic herbicides which force fatty acid synthesis to stop mainly by resisting acetyl coenzyme A carboxylase (ACCase), cell growth and division can not be normally carried out, and lipid-containing structures such as membrane systems are destroyed, finally resulting in plant death; triazine selective systemic herbicide is photosynthesis inhibiting herbicide, and mainly through inhibiting electron transfer of photosynthesis, nitrite accumulation in leaves can be caused. The three herbicides have different action mechanisms and effects, but the combined use of the three herbicides enhances the leaf absorption activity, enhances the medicament specificity and improves the inhibition effect, and has obvious synergistic effect. The triazolinone herbicide rapidly enters the leaves of the endive to force chlorophyll synthesis to be incapable of normally proceeding, and the integrity of cell membranes is damaged at the same time, so that photosynthetic metabolism of tissues is stressed to die, but the triazolinone herbicide has poor conductivity and cannot rapidly die rhizome tissues of the endive, and if only a single triazolinone herbicide is used, the rhizome tissues can also sprout new leaf buds; after the propionate herbicide is absorbed, the propionate herbicide is mainly accumulated in a meristematic region of endive to force the synthesis of fatty acid to stop, the growth and division of cells can not be normally carried out, and lipid-containing structures such as a membrane system and the like are destroyed to die, but the whole action process is slow (generally 1 to 3 weeks); triazine selective systemic herbicide can be absorbed by roots, stems and leaves of plants, and has a quick weed control effect, but triazine selective systemic herbicide has high toxicity and large application dosage, and can cause pollution to the ecological environment. The invention combines triazolinone herbicide, propionate herbicide and triazine selective systemic conduction herbicide, wherein the triazolinone herbicide rapidly enters the leaves of the endives and destroys cell membranes, so that the tissues of the endives are dead, the germination capacity and the life activity of the endives are reduced, at the moment, the propionate herbicide enters the endives and stops the synthesis of fatty acid, cells are forced not to grow and divide, new endives leaves are prevented from growing out, the effect is fast, stem tissues are killed specially, the required amount of the medicament is low, meanwhile, the triazine selective systemic conduction herbicide only needs to kill the activity of root tissues, avoids the conduction and dispersion of the triazine selective systemic conduction herbicide in the leaf and stem tissues of the endive, and therefore needs lower concentration, meanwhile, tests prove that the technical scheme of the invention has synergistic effect in component selection and proportion.
In some preferred embodiments of the invention, the chemical herbicide composition can be prepared into a compound preparation together with an agriculturally and pharmaceutically acceptable auxiliary material or auxiliary agent. The compound preparation adopts a conventional preparation form, and can be processed into missible oil and suspending agent by using the commonly adopted auxiliary agent in the preparation processing technology.
The invention also discloses application of the chemical herbicide composition or the compound preparation in controlling and removing the endive in the Compositae.
Compared with the prior art, the invention has the beneficial effects that:
the invention combines and reasonably matches known herbicides and then applies the combined herbicides to controlling the weeds of endive of Compositae, the control effect after mixing is greatly improved compared with that of single agents, the single agents can complement each other in advantages, the dosage of each single agent is reduced, the use dosage and phytotoxicity of triazine selective systemic conduction herbicides are reduced, and meanwhile, the single agents after mixing are synergistically complemented, and the generation of drug resistance is delayed.
The herbicide composition shows a synergistic effect in the mass ratio of the triazolinone herbicide to the propionate herbicide to the triazine selective systemic conduction herbicide of 2.1-3:1.4-2:1, has short effective time and long effective time, can fully prevent and kill off the endive which is a weed in the compositae, avoids the phenomenon of death and recurrence, and has a prevention and killing rate of over 90 percent.
Detailed Description
The technical solutions and technical effects of the present invention are further described below with reference to specific embodiments so as to facilitate those skilled in the art to more clearly understand the present invention. It should be understood that the following examples are only for explaining and illustrating the technical solutions of the present invention, and are not intended to limit the scope of the claims of the present invention.
Example 1
A compound preparation containing the chemical herbicide composition comprises carfentrazone-ethyl, cyhalofop-butyl and ametryn in a mass ratio of 2.5:1.5: 1. The mass ratio of the carfentrazone-ethyl, cyhalofop-butyl and ametryn composition refers to the mass ratio of raw medicines of each medicament.
Wherein the purity of the fenpyroximate is more than or equal to 93 percent and the fenpyroximate is purchased from gold chemical industry Co., Ltd, Zhang Jia Kou; the purity of the raw cyhalofop-butyl is more than or equal to 98 percent and is purchased from Henan Delale chemical products GmbH; the purity of the ametryn is more than or equal to 95%, and the ametryn is purchased from Nanjing Lai Kewei science and technology Co.
The preparation method comprises the following steps:
1) mixing 25% of carfentrazone-ethyl original drug, 30% of cyclohexanone and 10% of alkylaryl polyoxypropylene polyoxyethylene ether in percentage by mass, stirring and dissolving, and keeping the temperature at 50-55 ℃ to form a uniform oil phase; adding 0.5% of organic silicon defoamer into water and uniformly stirring to obtain a water phase; under the condition of stirring, slowly adding the oil phase into the water phase, shearing and emulsifying at a high speed (the rotating speed is 5000-. When the oil phase is added to the aqueous phase and shear emulsification is performed, the water is added to make up to 100%.
2) Mixing and stirring 15% of cyhalofop-butyl technical material, 30% of cyclohexanone and 10% of alkylaryl polyoxypropylene polyoxyethylene ether in percentage by mass, dissolving, and keeping the temperature at 50-55 ℃ to form a uniform oil phase; adding 0.5% of organic silicon defoamer into water and uniformly stirring to obtain a water phase; under the condition of stirring, slowly adding the oil phase into the water phase, shearing and emulsifying at a high speed (the rotating speed is 5000-. When the oil phase is added to the aqueous phase and shear emulsification is performed, the water is added to make up to 100%.
3) According to the mass percentage, 10% of ametryn original drug, 2% of dispersing agent SC-3, 0.5% of fatty alcohol-polyoxyethylene ether and 0.5% of thickening agent FT are put into a high-speed dispersion machine, the balance of water is added to make up to 100%, after uniform mixing, the obtained mixture is put into a horizontal sand mill, and the mixture is subjected to sand milling at room temperature until the average grain diameter is less than 5um, so that the 10% ametryn suspending agent is obtained.
4) Under the condition of stirring, adding 10% of ametryn suspending agent into the 25% of carfentrazone-ethyl aqueous emulsion and the 15% of cyhalofop-butyl aqueous emulsion, mixing according to the ratio of 1:1:1, and homogenizing to obtain the suspension aqueous emulsion of the compound preparation.
Example 2
A compound preparation containing the chemical herbicide composition comprises carfentrazone-ethyl, cyhalofop-butyl and ametryn in a mass ratio of 2.1:1.5: 1. According to the components and the dosage of the composition, the auxiliary agents are respectively added in proper amount, and the preparation is carried out by adopting the method in the same example 1, so as to obtain the suspension emulsion in water of the compound preparation.
Example 3
A compound preparation containing the chemical herbicide composition comprises carfentrazone-ethyl, cyhalofop-butyl and ametryn in a mass ratio of 3:2: 1. According to the components and the dosage of the composition, the auxiliary agents are respectively added in proper amount, and the preparation is carried out by adopting the method in the same example 1, so as to obtain the suspension emulsion in water of the compound preparation.
Example 4
This example provides a test of the herbicidal activity of a combination of three herbicides using the Colby method.
Reagent to be tested: a built formulation comprising the chemical herbicide composition prepared in example 1; the 25% carfentrazone-ethyl emulsion in water prepared in example 1; the aqueous 15% cyhalofop-butyl emulsion prepared in example 1; a 10% ametryn suspension was prepared as in example 1.
The tested weeds: endive.
Summary of the test: the test is carried out at a plant protection place of academy of agriculture and forestry, Qinghai province, the test is located in Donghcun, a mutual aid county, Qinghai province, the altitude is 2230m, the annual precipitation is about 450mm, and the soil is chestnut calcium soil. The total N content of the soil is 1.43g/kg and the total P content is2O5Content 2.66g/kg, full K2O2The content is 7.84g/kg, the organic matter content is 21.98g/kg, and the pH value is 8.17. The test land is flat, belongs to a river water irrigation area, and has moderate fertility. The test area, the 3 control areas and the blank area are designed in the test field, and the area of the test area, the area of the control area and the area of the blank area are all 20m2。
The test method comprises the following steps: 100 live endive plants are respectively planted in a test area, a control area and a blank area, and stem and leaf spraying is carried out when the seedling height is 5-7 cm.
Test area spray formulations containing chemical herbicide compositions as described in example 1, control area
Spray the 25% carfentrazone ethyl emulsion in water prepared in example 1, control area
Spray the 15% aqueous cyhalofop-butyl emulsion prepared in example 1, control area
Spraying the 10% ametryn suspension prepared in example 1, and spraying clear water 300L/hm in blank area2. In each area treatment, the medicament is mixed with 300L/hm of water2。
And (3) drug effect investigation: the response of endive (yellowing, wilting, death, etc.) was observed and recorded every day after application. The number of the remaining endives in each treatment area was investigated and recorded at 3d, 7d, 15d, 20d and 40d after the application, and the effect of eliminating the endives was calculated.
The drug effect calculation method comprises the following steps: reference is made to the standard GB/T17980.41-2000.
The calculation formula of the drug effect is as follows:
plant control effect (%) = (number of blank zone weed plants-number of residual weed plants in treatment zone)/number of blank zone weed plants × 100;
the weeding effect evaluation method comprises the following steps: the theoretical control effect E0 (%) of the composition of the invention was calculated using the Colby formula:
E0＝XYZ…N/100（n-1） （1）
in the formula (1), the dosage of the herbicide is Pkg/hm when X is A2The weed control effect of (a%); the dosage of the herbicide with Y as B is Qkg/hm2The weed control effect of (a%); the dosage of the herbicide with Z being C is Mkg/hm2The weed control effect (%) of (1).
E is herbicide (A + B + C) with dosage of (P + Q + M) kg/hm2Actual weed control (%) at the time.
If E is obviously less than EO, then the effect is synergistic; e is close to EO, so the additive effect is obtained; e is significantly greater than E0, antagonism is indicated.
And (3) measuring results: table 1 shows the results of the tests on the control effect of the single agent or the combination of the single agent and the combination of the composition in example 4
TABLE 1 test results of the efficacy of the single agent or the composition of example 4
Note: in the table, A represents carfentrazone-ethyl, B represents cyhalofop-butyl, and C represents ametryn.
As can be seen from the table 1, compared with the single herbicide, the actual weed control effect of the compound preparation containing the herbicide composition is obviously less than the theoretical control effect, so that the compound preparation containing the herbicide composition has obvious synergistic effect on controlling endive, higher control efficiency and better persistence.
Meanwhile, the test data show that the invention is the preferable scheme when the mass ratio of the carfentrazone-ethyl technical material, the cyhalofop-butyl technical material and the ametryn technical material is 2.5:1.5: 1.
In addition, the inventors investigated the fresh weight of the aerial parts at the same time 40 days after the administration, and calculated the fresh weight effect.
And (3) measuring results: table 2 shows the fresh weight effect test results of the single agent or the composition in example 4
Table 2-example 4 test results for fresh weight effect of single agent or composition
As can be seen from the table 2, compared with the single herbicide, the actual weed control effect of the compound preparation containing the herbicide composition is obviously less than the theoretical control effect, so that the compound preparation containing the herbicide composition has obvious synergistic effect and higher control efficiency on the field sowthistle.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A chemical herbicide composition is characterized by comprising a triazolinone herbicide, a propionate herbicide and a triazine selective systemic conduction herbicide in a mass ratio of 2.1-3:1.4-2: 1.
2. A chemical herbicide composition as claimed in claim 1, wherein the composition consists of triazolinone herbicides, propionate herbicides and triazine selective systemic herbicide in a mass ratio of 2.5:1.5: 1.
3. A chemical herbicide composition as claimed in claim 1 or 2, wherein the triazolinone herbicide is carfentrazone-ethyl; the propionate herbicide is cyhalofop-butyl; the triazine selective systemic herbicide is ametryn.
4. A chemical herbicide composition is characterized by consisting of carfentrazone-ethyl, cyhalofop-butyl and ametryn in a mass ratio of 2.5:1.5: 1.
5. A built preparation prepared from the chemical herbicide composition of claim 4 and agriculturally and pharmaceutically acceptable auxiliary materials or auxiliaries.
6. Use of a chemical herbicide composition according to claim 5 in controlling endives.
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| CN202010681112.3A CN111616151A (en) | 2020-07-15 | 2020-07-15 | Chemical herbicide composition and application thereof |
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| CN202010681112.3A CN111616151A (en) | 2020-07-15 | 2020-07-15 | Chemical herbicide composition and application thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015153281A1 (en) * | 2014-03-31 | 2015-10-08 | Fmc Corporation | Methods for selectively controlling plants using compositions containing photosystem ii inhibitors and protoporphyrinogen oxidase inhibitors |
| CN105393855A (en) * | 2015-12-21 | 2016-03-16 | 王亚波 | Oil-used peony field weeding method |
| CN108651480A (en) * | 2018-05-04 | 2018-10-16 | 广西田园生化股份有限公司 | A kind of application of ternary built herbicidal composition and its China fir forest land weeds control |
-
2020
- 2020-07-15 CN CN202010681112.3A patent/CN111616151A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015153281A1 (en) * | 2014-03-31 | 2015-10-08 | Fmc Corporation | Methods for selectively controlling plants using compositions containing photosystem ii inhibitors and protoporphyrinogen oxidase inhibitors |
| CN105393855A (en) * | 2015-12-21 | 2016-03-16 | 王亚波 | Oil-used peony field weeding method |
| CN108651480A (en) * | 2018-05-04 | 2018-10-16 | 广西田园生化股份有限公司 | A kind of application of ternary built herbicidal composition and its China fir forest land weeds control |
Non-Patent Citations (1)
| Title |
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| 李青梅: "几种茎叶除草剂桶混配方的控草效果及对玉米生长发育的影响", 《天津农业科学》 * |
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