CN111820228A - Combined herbicide and production method thereof - Google Patents
Combined herbicide and production method thereof Download PDFInfo
- Publication number
- CN111820228A CN111820228A CN201910319806.XA CN201910319806A CN111820228A CN 111820228 A CN111820228 A CN 111820228A CN 201910319806 A CN201910319806 A CN 201910319806A CN 111820228 A CN111820228 A CN 111820228A
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- CN
- China
- Prior art keywords
- agent
- penoxsulam
- herbicide
- mefenacet
- benzobicyclon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/78—1,3-Thiazoles; Hydrogenated 1,3-thiazoles
-
- 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
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
- A01N41/10—Sulfones; Sulfoxides
-
- 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
-
- 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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a combined herbicide and a production method thereof, and particularly relates to the field of pesticide production, wherein 2.5-90% of mefenacet, 0.15-60% of penoxsulam, 1-85% of benzobicyclon, 0.1-40% of fluroxypyr meptyl, 5-40% of an auxiliary agent and 20-60% of a carrier are used; the preparation method comprises the steps of weighing mefenacet, penoxsulam, benzobicyclon, fluroxypyridine, an auxiliary agent and a carrier according to a ratio, grinding by using a sand mill until the particle size fineness is 1-10 mu m, and then shearing, thickening and defoaming by using a homogenizer to prepare the suspension preparation. The invention can relieve the drug resistance of weeds, has high efficiency, low toxicity and long drug effect, and improves the control effect of the weeds in the rice field.
Description
Technical Field
The invention belongs to the field of pesticide production, and particularly relates to a combined herbicide and a production method thereof.
Background
Herbicides (herbicides) refer to agents which cause complete or selective death of weeds, also known as herbicides, and are used to kill or inhibit plant growth. They are divided by action into biocidal and selective herbicides, the selective herbicides being effective in most cases, in particular derivatives of nitrophenol, chlorophenol, carbamic acid. The development of the herbicide in the world is gradually steady, the varieties with high efficiency, low toxicity, broad spectrum and low dosage are mainly developed, and the disposable treatment agent with little environmental pollution gradually becomes the mainstream; penoxsulam is a conductive herbicide, can effectively prevent and kill barnyard grass, moleplant seed and annual sedge weeds, has the effects of preventing and killing a plurality of broadleaf weeds, can also prevent and kill bensulfuron-methyl weeds in a rice field, has residual activity on a plurality of broadleaf and sedge weeds, barnyard grass and the like, and is a variety with the widest weed control spectrum in the current herbicides for the rice field;
the mixing of different kinds of agricultural chemicals is a common method for preventing and controlling agricultural resistance diseases, pests and weeds. By screening the pesticide formula, a reasonable formula is screened, the actual control effect can be effectively improved, the dosage is reduced, the cost is reduced, and the generation of the drug resistance of diseases, pests and weeds is delayed, so that the method is an important means for agricultural comprehensive treatment.
Disclosure of Invention
The invention provides a combined herbicide which can not only relieve the drug resistance of weeds, but also has high efficiency, low toxicity and long drug effect and improves the control effect of weeds in paddy fields.
The invention provides the following technical scheme:
a combined herbicide comprises the following substances in parts by mass: 2.5-90% of mefenacet, 0.15-60% of penoxsulam, 1-85% of benzobicyclon, 0.1-40% of chloropyridine ester, 5-40% of an auxiliary agent and 20-60% of a carrier.
Preferably, the auxiliary agent is one or more of an emulsifier, a wetting agent, a stabilizer, a dispersing agent, a thickening agent, a pH regulator, a defoaming agent, an antifreezing agent, a disintegrating agent, a binder and a filling agent
Preferably, the carrier is vegetable oil and derivatives thereof.
The production method of the combined herbicide comprises the following steps:
the preparation method comprises the steps of weighing mefenacet, penoxsulam, benzobicyclon, fluroxypyridine, an auxiliary agent and a carrier according to a ratio, grinding by using a sand mill until the particle size fineness is 1-10 mu m, and then shearing, thickening and defoaming by using a homogenizer to prepare the suspension preparation.
Preferably, the mefenacet is 360-480 g ai/ha, the penoxsulam is 22.5-30 g ai/ha, the chloropyridine ester is 15g ai/ha, and the benzobicyclon is 168-252 g ai/ha.
Preferably, the auxiliary agent is one or more of an emulsifier, a wetting agent, a stabilizer, a dispersing agent, a thickening agent, a pH regulator, a defoaming agent, an antifreezing agent, a disintegrating agent, a binder and a filling agent.
Preferably, the carrier is vegetable oil and derivatives thereof.
The invention has the beneficial effects that:
(1) compared with single dose, the composite herbicide of the invention has obviously improved drug effect, can greatly reduce the dose of the herbicide, not only can reduce the drug cost, but also can reduce the influence of pesticide on the environment.
(2) The combined herbicide of the invention adopts a plurality of medicines to combine, enlarges weeding spectrum, and can improve the defect that a single-dose medicine is easy to generate resistance through different action mechanisms of a plurality of effective components, thereby prolonging the pesticide effect of the medicine and being beneficial to improving the control effect of the weeds in the rice field.
Detailed Description
The specific implementation mode is as follows:
example 1:
a combined herbicide comprises the following substances in parts by mass: 2.5 percent of mefenacet, 0.15 percent of penoxsulam, 1 percent of benzobicyclon, 0.1 percent of fluroxypyridine ester, 20 percent of emulsifier, 20 percent of thickener and 56.25 percent of vegetable oil.
The production method of the combined herbicide comprises the following steps:
after the mefenacet, the penoxsulam, the benzobicyclon, the fluroxypyr meptyl, the auxiliary agent and the carrier are weighed according to the proportion, a sand mill is used for sand grinding and crushing until the particle size fineness is 1 mu m, and then a homogenizer is used for shearing, thickening and defoaming to prepare the suspension preparation.
Example 2:
a combined herbicide comprises the following substances in parts by mass: 5% of mefenacet, 0.5% of penoxsulam, 6% of benzobicyclon, 0.4% of fluroxypyridine ester, 10% of emulsifier, 10% of thickener, 10% of filler and 58.1% of vegetable oil.
The production method of the combined herbicide comprises the following steps:
after the mefenacet, the penoxsulam, the benzobicyclon, the fluroxypyr meptyl, the auxiliary agent and the carrier are weighed according to the proportion, a sand mill is used for sand grinding and crushing until the particle size fineness is 5 mu m, and then a homogenizer is used for shearing, thickening and defoaming to prepare the suspension preparation.
Example 3:
a combined herbicide comprises the following substances in parts by mass: 4% of mefenacet, 0.6% of penoxsulam, 3-bicyclsulcotrione, 0.5% of fluroxypyridine ester, 10% of thickening agent, 10% of stabilizing agent, 15% of dispersing agent and 46.9% of carrier.
The production method of the combined herbicide comprises the following steps:
after the mefenacet, the penoxsulam, the benzobicyclon, the fluroxypyr meptyl, the auxiliary agent and the carrier are weighed according to the proportion, a sand mill is used for sand grinding and crushing until the particle size fineness is 10 mu m, and then a homogenizer is used for shearing, thickening and defoaming to prepare the suspension preparation.
To verify the beneficial effects of the present combination herbicides, the following tests were performed:
the suspending agents prepared in examples 1 to 3 have herbicide numbers of 1a, 2a and 3 a; the dosage of the active ingredients in each group is as follows:
group 1 mefenacet is 360gai/ha, penoxsulam is 22.5g ai/ha, chloropyridyl ester is 15g ai/ha, and benzobicin is 168g ai/ha;
under group 2, the mefenacet is 420g ai/ha, the penoxsulam is 26.25g ai/ha, the chloropyridyl ester is 15gai/ha, and the benzobicyclon is 210g ai/ha;
the mefenacet in group 3 is 480g ai/ha, the penoxsulam is 30g ai/ha, the chloropyridyl ester is 15g ai/ha, and the benzobicyclon is 252g ai/ha;
the single-dose penoxsulam drug is used as a comparison group and is numbered as 1b, 2b and 3b
The dosage of the active ingredients in each group is as follows:
penoxsulam at 1b was 22.5g ai/ha;
2b penoxsulam at 26.25g ai/ha;
3b penoxsulam at 30g ai/ha;
collecting and storing semen Euphorbiae Lathyridis seed in rice field, soaking seed, germinating, dibbling in iron basin with 0.25 square meter of cross section area containing soil, preparing medicinal liquid according to designed experimental treatment dosage, sowing 100 granules in each basin, and culturing in greenhouse until 1 leaf of barnyard grass is 1 heart stage. Spraying the liquid medicine by using a POTTER precision laboratory spray tower, wherein the liquid spraying amount is 50ml per treatment, and keeping the soil moist after the liquid medicine is sprayed. Repeating the treatment for 4 times, weighing the fresh weight of the overground part of each treated caper euphorbia seed 20 days after the medicine is taken, and calculating the percentage of the overground part and the residual caper euphorbia seed as a reference; the statistics of the data are as follows
| Herbicide numbering | Plant control effect (%) | Fresh weight control effect (%) |
| 1a | 94.3 | 94.6 |
| 2a | 97.6 | 97.9 |
| 3a | 94.3 | 95.3 |
| 1b | 86.2 | 86.5 |
| 2b | 88.3 | 87.9 |
| 3b | 89.2 | 90.0 |
The above table shows that the combined herbicide of the invention has obviously improved efficacy compared with a single agent, can greatly reduce the dosage of the herbicide, not only can reduce the cost of the herbicide, but also can reduce the influence of the pesticide on the environment; the herbicide composition adopts a plurality of drug combinations, enlarges the weeding spectrum, can improve the defect that a single-dose drug is easy to generate resistance through different action mechanisms of a plurality of active ingredients, further prolongs the drug effect of the drug, and is favorable for improving the prevention and treatment effect of the weeds in the rice field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A combination herbicide characterized by: the material consists of the following components in percentage by mass: 2.5-90% of mefenacet, 0.15-60% of penoxsulam, 1-85% of benzobicyclon, 0.1-40% of chloropyridine ester, 5-40% of an auxiliary agent and 20-60% of a carrier.
2. A combination herbicide as claimed in claim 1, wherein: the auxiliary agent is one or more of an emulsifier, a wetting agent, a stabilizer, a dispersing agent, a thickening agent, a pH regulator, a defoaming agent, an antifreezing agent, a disintegrating agent, a binder and a filling agent.
3. A combination herbicide as claimed in claim 1, wherein: the carrier is vegetable oil and derivatives thereof.
4. A method for producing a combined herbicide is characterized in that: the preparation method comprises the steps of weighing mefenacet, penoxsulam, benzobicyclon, fluroxypyridine, an auxiliary agent and a carrier according to a ratio, grinding by using a sand mill until the particle size fineness is 1-10 mu m, and then shearing, thickening and defoaming by using a homogenizer to prepare the suspension preparation.
5. A process for producing a combination herbicide as claimed in claim 4, wherein: the mass percent of the mefenacet is 360-480 g ai/ha, the mass percent of the penoxsulam is 22.5-30 g ai/ha, the mass percent of the chlorofluoropyridine ester is 15g ai/ha, and the mass percent of the benzobicyclon is 168-252 g ai/ha.
6. A process for producing a combination herbicide as claimed in claim 4, wherein: the auxiliary agent is one or more of an emulsifier, a wetting agent, a stabilizer, a dispersing agent, a thickening agent, a pH regulator, a defoaming agent, an antifreezing agent, a disintegrating agent, a binder and a filling agent.
7. A process for producing a combination herbicide as claimed in claim 4, wherein: the carrier is vegetable oil and derivatives thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910319806.XA CN111820228A (en) | 2019-04-19 | 2019-04-19 | Combined herbicide and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910319806.XA CN111820228A (en) | 2019-04-19 | 2019-04-19 | Combined herbicide and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111820228A true CN111820228A (en) | 2020-10-27 |
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ID=72911435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910319806.XA Pending CN111820228A (en) | 2019-04-19 | 2019-04-19 | Combined herbicide and production method thereof |
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| Country | Link |
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| CN (1) | CN111820228A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602528A (en) * | 2012-07-24 | 2015-05-06 | 美国陶氏益农公司 | Herbicidal compositions comprising 4-amino-3-chloro-5-fluoro-6-(4-chloro-2-fluoro-3-methoxyphenyl) pyridine-2-carboxylic acid |
| CN104640447A (en) * | 2012-07-24 | 2015-05-20 | 美国陶氏益农公司 | Herbicidal compositions comprising 4-amino-3-chloro-5-fluoro-6-(4-chloro-2-fluoro-3-methoxphenyl) pyridine-2-carboxylic acid or a derivative thereof and vlcfa synthesis and fatty acid/lipid synthesis inhibiting herbicides |
| CN104994738A (en) * | 2012-12-12 | 2015-10-21 | 美国陶氏益农公司 | Synergistic weed control from applications of penoxsulam and mefenacet |
| CN108617660A (en) * | 2017-03-22 | 2018-10-09 | 燕化永乐（乐亭）生物科技有限公司 | A kind of complex weedicide |
-
2019
- 2019-04-19 CN CN201910319806.XA patent/CN111820228A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602528A (en) * | 2012-07-24 | 2015-05-06 | 美国陶氏益农公司 | Herbicidal compositions comprising 4-amino-3-chloro-5-fluoro-6-(4-chloro-2-fluoro-3-methoxyphenyl) pyridine-2-carboxylic acid |
| CN104640447A (en) * | 2012-07-24 | 2015-05-20 | 美国陶氏益农公司 | Herbicidal compositions comprising 4-amino-3-chloro-5-fluoro-6-(4-chloro-2-fluoro-3-methoxphenyl) pyridine-2-carboxylic acid or a derivative thereof and vlcfa synthesis and fatty acid/lipid synthesis inhibiting herbicides |
| CN104994738A (en) * | 2012-12-12 | 2015-10-21 | 美国陶氏益农公司 | Synergistic weed control from applications of penoxsulam and mefenacet |
| CN108617660A (en) * | 2017-03-22 | 2018-10-09 | 燕化永乐（乐亭）生物科技有限公司 | A kind of complex weedicide |
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Application publication date: 20201027 |
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| RJ01 | Rejection of invention patent application after publication |