CN115568471A - Composition for preventing and treating barnyard grass of rice, water-based suspending agent and application of water-based suspending agent - Google Patents
Composition for preventing and treating barnyard grass of rice, water-based suspending agent and application of water-based suspending agent Download PDFInfo
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- CN115568471A CN115568471A CN202211278016.XA CN202211278016A CN115568471A CN 115568471 A CN115568471 A CN 115568471A CN 202211278016 A CN202211278016 A CN 202211278016A CN 115568471 A CN115568471 A CN 115568471A
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- barnyard grass
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- quinclorac
- suspending agent
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
- A01N43/42—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings condensed with carbocyclic rings
-
- 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
- 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
- A01N25/02—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 containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
- A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
- A01N39/04—Aryloxy-acetic acids; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P13/00—Herbicides; Algicides
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- General Health & Medical Sciences (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Dentistry (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a composition for preventing and treating rice barnyard grass, a water-based suspending agent and application thereof, and belongs to the technical field of pesticides. The composition comprises isopropyl quinclorac and cyhalofop-butyl; the mass ratio of the quinclorac isopropyl ester to the cyhalofop-butyl is 25. The invention compounds the quinclorac isopropyl ester and the cyhalofop-butyl, thereby improving the control effect on barnyard grass.
Description
Technical Field
The invention relates to the technical field of pesticides, and particularly relates to a composition for preventing and treating rice barnyard grass, a water-based suspending agent and application thereof.
Background
The rice is the most important grain crop in China, and the high yield and harvest of the rice have a decisive role in increasing the yield of the grain in China. The barnyard grass is one of weeds which commonly occur and are seriously harmful in rice production in China, and the rice yield in China is seriously influenced. Quinclorac is the most commonly used herbicide in paddy fields at present, however, the quinclorac phosphate is used in successive years, so that the resistance of the barnyard grass to the quinclorac phosphate is gradually enhanced, and the quinclorac phosphate loses the control effect on the barnyard grass in the paddy fields in certain areas.
Disclosure of Invention
In view of the above, the invention aims to provide a composition for controlling rice barnyard grass, a water-based suspending agent and an application thereof.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a composition for preventing and treating barnyard grass of paddy rice, which comprises isopropyl quinclorac chloride and cyhalofop-butyl;
the mass ratio of the quinclorac isopropyl ester to the cyhalofop-butyl is 25.
The invention also provides application of the composition in the technical scheme in preventing and treating the barnyard grass.
The invention also provides a water-based suspending agent for preventing barnyard grass, which comprises the following components in parts by weight:
25 parts of quinclorac isopropyl ester, 30 parts of cyhalofop-butyl, 4 parts of dispersant, 2 parts of wetting agent, 5 parts of glycerol, 0.5 part of magnesium aluminum silicate, 0.2 part of xanthan gum, 20.2 parts of Sag15220 and 33.1 parts of water.
Preferably, the dispersant comprises Atlox4913.
Preferably, the wetting agent comprises Genapol X080.
The invention also provides application of the water-based suspending agent in the technical scheme in preventing barnyard grass.
Preferably, the application comprises: spraying the water-based suspending agent in the 2-5 leaf stage of barnyard grass, wherein the total using amount of the effective components is 90-112.5g a.i./hm 2 。
Preferably, the number of spraying times of the water-based suspension concentrate is 1.
The mechanism for improving the control effect of the cockspur grass by compounding the quinclorac isopropyl ester and the cyhalofop-butyl is as follows: the quinclorac isopropyl ester and the cyhalofop-butyl have control effects on the barnyard grass in the paddy field, the quinclorac isopropyl ester and the cyhalofop-butyl belong to different types of herbicides, the action mechanisms are different, and the combination of the two can eliminate the resistance of the barnyard grass to a certain herbicide, so that the control effects are improved.
The beneficial effects of the invention are as follows:
the quinclorac isopropyl ester and the cyhalofop-butyl are compounded, so that the barnyard grass with resistance to quinclorac in the paddy field can be effectively prevented and removed, and the compound of the quinclorac isopropyl ester and the cyhalofop-butyl can obviously improve the control effect on the barnyard grass in the paddy field and delay the generation of the resistance of the barnyard grass.
Detailed Description
The invention provides a composition for preventing and treating barnyard grass of paddy rice, which comprises isopropyl quinclorac and cyhalofop-butyl; the mass ratio of the quinclorac isopropyl ester to the cyhalofop-butyl is 25. The sources of the quinclorac isopropyl ester and the cyhalofop-butyl are not specially limited, and the conventional commercial products are adopted.
The invention also provides application of the composition in the technical scheme in preventing and controlling the barnyard grass of rice. In the present invention, the barnyard grass preferably comprises one or more of the group consisting of Doederleaf (sensitive) barnyard grass, fujin (resistant) barnyard grass and Tonghe (highly resistant) barnyard grass.
The invention also provides a water-based suspending agent for preventing barnyard grass, which comprises the following components in parts by weight: 25 parts of quinclorac isopropyl ester, 30 parts of cyhalofop-butyl, 4 parts of dispersing agent, 2 parts of wetting agent, 5 parts of glycerol, 0.5 part of magnesium aluminum silicate, 0.2 part of xanthan gum, 20.2 parts of Sag15220 and 33.1 parts of water. In the present invention, the dispersant preferably includes Atlox4913. In the present invention, the wetting agent preferably includes Genapol X080. In the invention, the suspension rate of the quinclorac isopropyl ester and the cyhalofop-butyl in the water-based suspending agent is more than 85%. The preparation method of the water-based suspending agent is not particularly limited, and the suspending agent can be prepared by a conventional preparation method for preparing the suspending agent, for example, the suspending agent with the particle size of less than 10 microns is prepared after being ground by a sand mill.
The invention also provides application of the water-based suspending agent in the technical scheme in preventing barnyard grass. In the present invention, the application preferably includes: spraying the water-based suspending agent in the 2-5 leaf stage of barnyard grass, wherein the total using amount of the effective components is 90-112.5g a.i./hm 2 . In the present invention, the number of spraying of the water-based suspension is preferably 1. The spraying method is not specially limited, and a conventional grass spraying method is adopted.
In order to further illustrate the present invention, the following detailed description of the invention is given in conjunction with examples, which should not be construed to limit the scope of the invention.
Example 1
Water-based suspension concentrate of isopropyl quinclorac and cyhalofop-butyl: 25 parts of quinclorac isopropyl ester, 30 parts of cyhalofop-butyl, 4 parts of a dispersant Atlox4913 (polymer dispersant, heda chemical (Shanghai) Co., ltd., shanghai of production area), 2 parts of a wetting agent Genapol X080 (nonionic surfactant, claien chemical (China) Co., ltd., shanghai of production area), 5 parts of glycerol, 0.5 part of magnesium aluminum silicate, 0.2 part of xanthan gum, 0.2 part of Sag1522 (an organic silicon defoamer, mitsu high and New materials Co., ltd., jiangsu province, nantong city of China) and 33.1 parts of deionized water. Grinding by a sand mill to prepare the water-based suspending agent, wherein the suspension rate is 90%.
Comparative example 1
After the rice is transplanted, the pesticide is applied to weeds in the 2-4 leaf period, 25% quinclorac isopropyl wettable powder is sprayed on stem leaves, and the using amount of the effective component is 112.5g a.i./hm 2 . Investigating the plant number control effect 15 days and 30 days after treatment. And the weed fresh weight control effect was investigated 30 days after the treatment, and the results are shown in tables 1 to 3.
Comparative example 2
After the rice is transplanted, applying pesticide to weeds in the 2-4 leaf period, spraying 30% cyhalofop-butyl emulsifiable concentrate on stem leaves, wherein the using amount of effective components is 112.5g a.i./hm 2 . The control effect of the plant number is investigated 15 days and 30 days after the treatment. And the weed fresh weight control effect was investigated 30 days after the treatment, and the results are shown in tables 1 to 3.
Example 2
After rice is transplanted, applying pesticide to weeds in a 2-4 leaf period, spraying dichloroquinolinic acid isopropyl ester and cyhalofop-butyl water-based suspending agent to stems and leaves, wherein the mass ratio of the dichloroquinolinic acid isopropyl ester to the cyhalofop-butyl is respectively 10, 15, 20 and 25, and the total effective component dosage is 112.5g a.i./hm 2 The number of plants controlling effect was measured 15 days after the application of the drug, and the number of plants controlling effect and fresh weight controlling effect were measured 30 days after the application of the drug, and the results are shown in tables 1 to 3. Wherein the barnyard grass in the double-Yashan welfare area belongs to a sensitive type, the barnyard grass in the Fujin area belongs to a medium resistant type, and the barnyard grass in the Tonghe area belongs to a high resistant type. And obtaining a toxicity regression equation, GR50 and a co-toxicity coefficient through the control effect measurement. Co-toxicity coefficient<80 is antagonistic action, and when the cotoxicity coefficient is more than or equal to 80 and less than or equal to 120, the additive action is taken>120 times of the composition is synergistic effect.
The control effect calculation method comprises the following steps:
TABLE 1 fresh weight control Effect of several agent treatments on differently resistant Rice field barnyard grass
TABLE 2 Co-toxicity coefficient of several drug treatments against Biyashan Fuli (sensitive) barnyard grass control
As can be seen from table 1, when the ratio of the isopropyl quinclorac and the cyhalofop-butyl is 10; when the effective component ratio is 15; when the effective component ratio is 25.
TABLE 3 Co-toxicity coefficient of several drug treatments against barnyard grass in Fujin (anti-propanil)
As can be seen from table 2, when the effective component ratio of the isopropyl quinclorac and the cyhalofop-butyl is 10 and 15, the co-toxicity coefficients are 81.49 and 113.72 respectively, which are the addition effects; when the effective component ratio is 25.
TABLE 3 Co-toxicity coefficient of several agent treatments against Tonghe (high resistance) barnyard grass control
As can be seen from table 3, when the ratio of the isopropyl quinclorac and the cyhalofop-butyl is 10; when the effective component ratio is 25.
The examples and the comparative examples show that the water-based suspension agent of the quinclorac isopropyl ester and the cyhalofop-butyl has the control effect of more than 98 percent on common barnyard grass in a paddy field with the quinclorac phosphate being applied for less than 5 years and the control effect of more than 95 percent on resistant barnyard grass in a paddy field with the quinclorac phosphate being continuously applied for more than 10 years and even more than 20 years, and can achieve ideal control effect.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (8)
1. A composition for controlling barnyard grass comprising isopropyl quinclorac and cyhalofop-butyl;
the mass ratio of the quinclorac isopropyl ester to the cyhalofop-butyl is 25.
2. Use of the composition of claim 1 for controlling barnyard grass.
3. The water-based suspending agent for preventing and controlling barnyard grass is characterized by comprising the following components in parts by weight:
25 parts of quinclorac isopropyl ester, 30 parts of cyhalofop-butyl, 4 parts of dispersing agent, 2 parts of wetting agent, 5 parts of glycerol, 0.5 part of magnesium aluminum silicate, 0.2 part of xanthan gum, 20.2 parts of Sag15220 and 33.1 parts of water.
4. The aqueous-based suspension concentrate of claim 3, wherein the dispersant comprises Atlox4913.
5. The aqueous-based suspension concentrate of claim 3 wherein the wetting agent comprises Genapol X080.
6. Use of an aqueous suspension concentrate as claimed in any one of claims 3 to 5 for controlling barnyard grass.
7. The application according to claim 6, wherein the application comprises: spraying the water-based suspending agent in the 2-5 leaf stage of barnyard grass, wherein the total using amount of the effective components is 90-112.5g a.i./hm 2 。
8. The use according to claim 7, wherein the aqueous suspension is sprayed 1 time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211278016.XA CN115568471A (en) | 2022-10-19 | 2022-10-19 | Composition for preventing and treating barnyard grass of rice, water-based suspending agent and application of water-based suspending agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211278016.XA CN115568471A (en) | 2022-10-19 | 2022-10-19 | Composition for preventing and treating barnyard grass of rice, water-based suspending agent and application of water-based suspending agent |
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| Publication Number | Publication Date |
|---|---|
| CN115568471A true CN115568471A (en) | 2023-01-06 |
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| CN202211278016.XA Pending CN115568471A (en) | 2022-10-19 | 2022-10-19 | Composition for preventing and treating barnyard grass of rice, water-based suspending agent and application of water-based suspending agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114931140A (en) * | 2022-06-15 | 2022-08-23 | 黑龙江省农业科学院植物保护研究所 | Application of quinclorac isopropyl ester in preventing and treating barnyard grass, wettable powder and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101743970A (en) * | 2009-12-24 | 2010-06-23 | 惠州市中迅化工有限公司 | Cyhalofop-butyl-containing pesticide composition and application thereof |
| CN101953340A (en) * | 2010-06-03 | 2011-01-26 | 深圳诺普信农化股份有限公司 | Cyhalofop-butyl-containing weed oil suspension composition |
| CN107136088A (en) * | 2017-07-14 | 2017-09-08 | 安徽海日生物科技有限公司 | A kind of cyhalofop-butyl and dichloro quinolinic acid compounding suspending agent and preparation method thereof |
| CN114931140A (en) * | 2022-06-15 | 2022-08-23 | 黑龙江省农业科学院植物保护研究所 | Application of quinclorac isopropyl ester in preventing and treating barnyard grass, wettable powder and application thereof |
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- 2022-10-19 CN CN202211278016.XA patent/CN115568471A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101743970A (en) * | 2009-12-24 | 2010-06-23 | 惠州市中迅化工有限公司 | Cyhalofop-butyl-containing pesticide composition and application thereof |
| CN101953340A (en) * | 2010-06-03 | 2011-01-26 | 深圳诺普信农化股份有限公司 | Cyhalofop-butyl-containing weed oil suspension composition |
| CN107136088A (en) * | 2017-07-14 | 2017-09-08 | 安徽海日生物科技有限公司 | A kind of cyhalofop-butyl and dichloro quinolinic acid compounding suspending agent and preparation method thereof |
| CN114931140A (en) * | 2022-06-15 | 2022-08-23 | 黑龙江省农业科学院植物保护研究所 | Application of quinclorac isopropyl ester in preventing and treating barnyard grass, wettable powder and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 宋伟丰: "水稻田稗草对二氯喹啉酸的抗性机理研究", 中国博士学位论文数据库，农业科技辑卷，第1期, pages 49 - 56 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114931140A (en) * | 2022-06-15 | 2022-08-23 | 黑龙江省农业科学院植物保护研究所 | Application of quinclorac isopropyl ester in preventing and treating barnyard grass, wettable powder and application thereof |
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