CN108013052A - A kind of Han Evil humulones Herbicidal combinations and its pharmaceutical preparation - Google Patents
A kind of Han Evil humulones Herbicidal combinations and its pharmaceutical preparation Download PDFInfo
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- CN108013052A CN108013052A CN201710213509.8A CN201710213509A CN108013052A CN 108013052 A CN108013052 A CN 108013052A CN 201710213509 A CN201710213509 A CN 201710213509A CN 108013052 A CN108013052 A CN 108013052A
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- flufenacet
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- diflufenican
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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
- A01N43/82—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 three ring hetero atoms
-
- 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
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to technical field of pesticide, discloses a kind of wheat paddock, cornfield weeding composition and its pharmaceutical preparation.Herbicidal combinations provided by the invention are made of the flufenacet of 5~40 parts by weight Evil humulones, the diflufenican of 2~30 parts by weight, 2~20 parts by weight.Missible oil, suspension emulsion, suspending agent, wettable powder or water dispersible granules can be prepared into by adding different auxiliary material.Herbicidal combinations Li Yong Evil humulones, diflufenican, the different mechanisms of action of three kinds of herbicides of flufenacet, three is compounded, synergistic effect is reached, the ternary herbicidal composition can effectively prevent corn field, wheat paddock annual gramineous weed and broad leaved weed and sedge weed crop smothering, particularly preferable to preventive effects such as wheat paddock malignant weed bromegrass, Triticum tauschii, wild oat, Itanlian ryes；It is a kind of preferably wheat paddock, corn field herbicide composition through experiment to wheat, corn and second stubble crop safety.
Description
Technical field
The invention belongs to technical field of pesticide, more particularly to a kind of wheat paddock, cornfield weeding composition and its medicine system
Agent.
Background technology
Wheat is one of northern China staple food crop, it is rich in starch, protein, fat, mineral matter, calcium, iron, sulphur
Amine element, riboflavin, nicotinic acid and vitamin A etc., are the cereal crops of total output second in the world.Wheat is in the long-term growing surface in China
More than 3,000 ten thousand hectares of product, is only second to Monitoring of Paddy Rice Plant Area.According to statistics, most of wheat paddock always has different degrees of crop smothering hair
Raw, crop smothering area accounts for more than the 55% of wheat planting area, wherein seriously endangering area accounts for 28%, it is total that lost units accounts for wheat
15% or so of yield.With the development of agricultural cience and farming techniques, the application of chemical herbicide as saving of labor, it is time saving, save into
One of strong weeding originally, well stimulation.But current wheat field herbicide is limited by security and herbicide controlling spectrum, single use one
Kind of herbicide cannot solve the problems, such as the generation of weeds of wheat, and in recent years wheat paddock resistant weed particularly bromegrass, Triticum tauschii,
The population advantages such as wild oat, Itanlian rye are obvious all the more.
China is Major Maize producing country of the world, national more than 2,000 ten thousand hectares of cultivated area, accounts for the pact of foodstuff planting area
20%, rice and wheat are only second to, occupies the 3rd.National corn there are about 50% area and be subject to different degrees of crop smothering, seriously endanger
Area about 10~20%, if corn field not weeding, can make the corn underproduction more than 50%.Corn field herbicide is subject to crop to pacify at present
Full property is limited, and herbicide controlling spectrum is also limited, and a kind of herbicide, which is used alone, cannot completely effectively control the generation of corn field weed, then
Some herbicides of person due to it is water-soluble big either the field lasting period is too long, dosage is excessive be easy to cause corn phytotoxicity or corn after
Stubble chemical injury of crops.
Evil humulones, proporphyrinogen oxidase inhibitor, the herbicide be selective bud before, post-emergence herbicide, pass through sensitivity
The young shoot of weeds or seedling contact are absorbed and worked.Can effectively prevent and kill off barnyard grass, green bristlegrass, lady's-grass, eleusine indica, amur foxtail,
Bromegrass, Siberian cocklebur, black nightshade, Descurainia sophia, Veronica, rhizoma alismatis, mexicana, difformed galingale herb, the rhizome of nutgrass flatsedge, bromegrass, Triticum tauschii, wild oat,
A variety of annual grassy weeds such as Itanlian rye and fraction perennial weeds.
Diflufenican belongs to substituted pyridinyl acyl aniline herbicide, which is mainly used for corn and soybean and small
Wheatland prevents and kill off a variety of annual gramineous weeds and some broad leaved weeds.The kind is selective exposure and residual herbicide, is made
Be to hinder herxheimer-liked reaction with mode, cause chlorophyll to be destroyed and cell rupture, weeds show as young shoot decoloration or
Bleach.Compared with other picolinamide class herbicides, diflufenican have activity of weeding is high, the duration is long, be not easily decomposed,
The characteristics of to Crop securify.
Flufenacet is fragrant oxanamide class herbicide, is mainly played a role by suppressing cell division, can effectively prevent and kill off crowd
Before seedling and the after seedling early stage of more annual gramineous weeds, such as Itanlian rye and some broad leaved weeds.Flufenacet is
It is fluorine-containing, containing heterocycle herbicide, have the advantages that the high and low poison of removing activity, broad weed-killing spectrum, applicable crops are wide, highly safe, its
Meet the new trend of current pesticide research exploitation.
The content of the invention
In view of this, goal of the invention of the invention is to provide a kind of Herbicidal combinations and its pharmaceutical preparation.The weeding group
Compound can effectively prevent wheat paddock, corn field crop smothering, and prevention effect is good, usage time length, can be prepared into missible oil, outstanding breast
Agent, suspending agent, wettable powder or water dispersible granules.
To realize the goal of the invention of the present invention, the present invention provides following technical solution：
The present invention provides a kind of Herbicidal combinations, it is made of the component of following parts by weight：
5~40 parts of Evil humulones
2~20 parts of diflufenican
2~20 parts of flufenacet.
The combinations of herbicides can add suitable insecticides adjuvant, according to well known to a person skilled in the art method, add
Application forms of the work into the suitable agricultural use such as missible oil, suspension emulsion, suspending agent, wettable powder or water dispersible granules.
The auxiliary agent used in herbicide of the present invention include solvent, emulsifying agent, wetting agent, stabilizer, dispersant, thickener,
PH adjusting agent, defoamer, antifreezing agent, solvent, filler etc., are all common various auxiliary agents, specific component in Pesticide formulation
It is determined with dosage according to recipe requirements by simply testing.
The production technology of the various application forms of herbicide provided by the invention belongs to existing known technology, no longer superfluous herein
State.
Dexterously Li Yong Evil humulones, diflufenican, the different mechanisms of action of three kinds of herbicides of flufenacet of the invention,
Three is compounded, has reached synergistic effect.The present invention is with reference to co-toxicity coefficient method evaluation wheat paddock provided by the invention, corn
Interaction in field weeding composition after three kinds of different activities component compoundings, wherein, co-toxicity coefficient is more than 120 and makees for synergy
With co-toxicity coefficient is expressed as summation action between 80~120, and co-toxicity coefficient is expressed as antagonism less than 80.Experimental result
Confirming, wheat paddock provided by the invention, cornfield weeding composition can be used as wheat paddock closed soil treatment herbicide, this
Wheat paddock, the co-toxicity coefficient of cornfield weeding composition are more than 120, are synergistic effect.Experimental result is also shown that offer of the present invention
Wheat paddock, cornfield weeding composition can effectively prevent and kill off bromegrass, Triticum tauschii, wild oat, Itanlian rye, eleusine indica, Tong
Grass, chickweed, Horseweed Herb, field bindweed, and the Herbicidal combinations do not produce poisoning to wheat, corn, can for a long time effectively
Prevent wheat paddock, corn field crop smothering.
Herbicide provided by the invention has the advantages that：
1st, herbicide provided by the invention, shows obvious synergistic effect in certain ratio range, and prevention effect compares single dose
It is significantly improved, reduces the dosage of pesticide, reduce times for spraying, reduce drug cost, reduce pesticide pair
The adverse effect of ecological environment.
2nd, herbicide provided by the invention, the combination of three kinds of effective ingredients, expands herbicidal spectrum, and ensure that to wheat,
The security of corn.
3rd, herbicide provided by the invention, effective ingredient mechanism of action is different, and long-term single use can be overcome to hold
The shortcomings that being also easy to produce resistance, extends the service life of medicament, the comprehensive regulation important in inhibiting to weeds.
4th, herbicide provided by the invention, drug effect play rapidly, and lasting period length, use cost is low, easy to use, time saving province
Power, its popularization and application have huge economic benefit and social benefit.
Embodiment
In order to make the objects, technical solutions and advantages of the present invention more concise, the present invention is carried out with specific examples below
Illustrate, but the present invention is only limitted to absolutely not these examples.As described below is only the preferable embodiment of the present invention, is used only for description originally
Invention, it is impossible to be interpreted as limiting the scope of the present invention.It should be pointed out that institute within the spirit and principles of the invention
All any modification, equivalent and improvement done etc., should all be included in the protection scope of the present invention.
Embodiment one：Evil humulone diflufenican flufenacet wettable powders
Evil humulones 30
Diflufenican 20
Flufenacet 16
Sodium lignin sulfonate 7
Lauryl sodium sulfate 2
White carbon 3
Kaolin supplies 100
Above-mentioned material is added in cone-type mixer together and is uniformly mixed, is crushed by airslide disintegrating mill, the material after crushing is again
Mixed through Agravicmixer, mixed fineness of materials 98% is by 325 mesh standard sieves, up to 66% Evil humulone pyrrole fluorine acyl grass
Amine flufenacet wettable powders；
Embodiment two：Evil humulone diflufenican flufenacet water dispersible granules
Evil humulones 40
Diflufenican 30
Flufenacet 20
Polycarboxylate 4
Lauryl sodium sulfate 2
Cornstarch supplies 100
Above-mentioned material is added in cone-type mixer together and is uniformly mixed, is crushed by airslide disintegrating mill, the material after crushing is again
Mixed through cone-type mixer, mixed fineness of materials 98% adds in kneader by 325 mesh standard sieves and is kneaded into plasticity
Material, is finally put into extruder grain in Squeezinggranulator by this material, and 90% Evil humulones is made after drying, screening after granulation
Diflufenican flufenacet water dispersible granules；
Embodiment three：Evil humulone diflufenican flufenacet missible oil
Evil humulones 5
Diflufenican 2
Flufenacet 2
Fatty acid polyethylene glycol ester 5
Calcium dodecyl benzene sulfonate 4
Dimethylbenzene 10
Cyclohexanone supplies 100
Above-mentioned material is added in reaction kettle together and is uniformly mixed, transparent and homogeneous solution is dissolved into all solids material, you can
Obtain 9% Evil humulone diflufenican flufenacet missible oil；
Example IV：Evil humulone diflufenican flufenacet suspending agents
Evil humulones 15
Diflufenican 10
Flufenacet 8
Fatty acid polyethylene glycol ester 5
Sodium polycarboxylate 2
Gelatin 0.5
Urea 1
Water supplies 100
Above-mentioned formula is crushed in advance in proportion, adds in sand mill and grinds, allocates being made 33% after high shear mixing
Evil humulone diflufenican flufenacet suspending agents
Embodiment five：Evil humulone diflufenican flufenacet suspension emulsions
Evil humulones 15
Diflufenican 2
Flufenacet 3
Fatty acid polyethylene glycol ester 5
Calcium dodecyl benzene sulfonate 4
Dimethylbenzene 10
Cyclohexanone supplies 100
Above-mentioned material is added in reaction kettle together and is uniformly mixed, transparent and homogeneous solution is dissolved into all solids material, you can
Obtain 20% Evil humulone diflufenican flufenacet suspension emulsions；
Embodiment six:The virulence test of Herbicidal combinations pharmaceutical preparation
Example one to embodiment five prepares Herbicidal combinations pharmaceutical preparation, carries out effect experiment, with
2,40% fluorine thiophene is careless as a control group for 1,50% diflufenican water dispersible granules as a control group for 25% Evil humulones missible oil
Amine suspending agent as a control group 3, clear water is as blank control group；
Synergy effect of each group medicine to be measured to weeds：
The synergistic effect of Herbicidal combinations and its pharmaceutical preparation provided by the invention is evaluated using co-toxicity coefficient method：With drug concentration
(X) natural logrithm asks recurrence side with medicament to the growth inhibition percentage or fresh weight suppression percentage (Y) of target weeds
Journey, and EC50 value or EC90 value of the medicament to weeds is calculated, then try to achieve co-toxicity coefficient.Compound medicine is evaluated with co-toxicity coefficient
Synergy effect of the agent to weeds, co-toxicity coefficient are expressed as synergistic effect, co-toxicity coefficient table between 80~120 more than 120
Summation action is shown as, co-toxicity coefficient is expressed as antagonism less than 80.
The co-toxicity coefficient calculation formula used in the present embodiment is as follows：
Co-toxicity coefficient (CTC)=100/ (EC mixes × and P Evil humulones/EC Evil humulones+EC mixes × P diflufenicans/EC pyrrole fluorine acyls
Careless amine+EC mixes × P flufenacets/EC flufenacets)
In formula：EC mixes the EC50 values (to bromegrass, similarly hereinafter) for mixture；P Evil humulone Wei Evil humulones are shared in mixture active ingredient
Part by weight；P diflufenicans are diflufenican shared part by weight in mixture active ingredient；P flufenacets are mixed
Shared part by weight in agent active ingredient；The EC50 values of EC Evil humulone Wei Evil humulones；EC diflufenicans are diflufenican
EC50 values；EC flufenacets are the EC50 values of flufenacet.The EC50 values of each group are shown in Table 2 with co-toxicity coefficient.
Wheat, corn growth situation are counted, to investigate influence of the medicine to be measured of each group to wheat, corn, is investigated
Index and poisoning grade are shown in Table 1.
Table 1, herbicide safety rating scale
Table 2, each group medicine to be measured EC50 values and co-toxicity coefficient
The gained Herbicidal combinations Zhong , Evil grass after the visible , Evil humulones of experimental result, diflufenican, flufenacet compounding from table 2
Ketone, diflufenican, the weight ratio of flufenacet are 5~40:2~30:When 2~20, its co-toxicity coefficient all far more than 120, is said
Ming Evil humulones, diflufenican, flufenacet generate obvious synergistic effect after compounding.
Embodiment seven:Prevent and kill off corn field annual grassy weeds field control effectiveness test.
Table 3, prevent and kill off corn field annual grassy weeds field control effectiveness test result
The corn field growing state of each group after table 4, medication
By table 4 as it can be seen that instant component is reasonable, Herbicidal combinations and its pharmaceutical preparation do not make corn produce poisoning, illustrate this
It is safe to use in corn field to invent the Herbicidal combinations provided, poisoning is avoided, by the visible Herbicidal combination provided by the invention of table 3
Thing has syneryistic effect, and the prevention for corn field Horseweed Herb, field bindweed, eleusine indica, chickweed provides excellent improvement solution
Certainly scheme.
Embodiment eight:Prevent and kill off wheat paddock annual grassy weeds field control effectiveness test.
Table 5, prevent and kill off wheat paddock annual grassy weeds field control effectiveness test result
The wheat paddock growing state of each group after table 6, medication
By table 6 as it can be seen that Herbicidal combinations component of the present invention is reasonable, its pharmaceutical preparation does not produce poisoning to wheat, illustrates this hair
The Herbicidal combinations of bright offer are safe to use in wheat paddock, avoid poisoning, as shown in Table 5 Herbicidal combinations provided by the invention
With syneryistic effect, provided for malignant weeds such as wheat field brome grass, Triticum tauschii, wild oat, Itanlian ryes excellent
Administer solution.
Claims (6)
1. a kind of Herbicidal combinations, it is characterised in that it is made of the component of following parts by weight：5~40 parts of Evil humulones, pyrrole fluorine
2~30 parts of acyl grass amine, 2~20 parts of flufenacet.
2. the mixed herbicidal composite according to claim 1, it is characterised in that it is with flufenacet, diflufenican, Evil
Humulone principle active component and the auxiliaries that allow on pesticide are into any one formulation.
3. pharmaceutical preparation according to claim 2, it is characterised in that by percentage to the quality, wherein the Herbicidal combination
The content of thing is 9%~90%.
4. the pharmaceutical preparation according to Claims 2 or 3, it is characterised in that its formulation for missible oil, suspension emulsion, suspending agent, can
Wet powder or water dispersible granules.
5. annual gramineous weed, the broad-leaved in corn field is prevented and kill off in preparation of the mixed herbicidal composite described in claim 1 are miscellaneous
Application in the herbicide of grass and sedge weed.
6. annual gramineous weed, the broad-leaved in wheat paddock is prevented and kill off in preparation of the mixed herbicidal composite described in claim 1 are miscellaneous
Application in the herbicide of grass and sedge weed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213509.8A CN108013052A (en) | 2017-04-01 | 2017-04-01 | A kind of Han Evil humulones Herbicidal combinations and its pharmaceutical preparation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213509.8A CN108013052A (en) | 2017-04-01 | 2017-04-01 | A kind of Han Evil humulones Herbicidal combinations and its pharmaceutical preparation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109418274A (en) * | 2018-06-01 | 2019-03-05 | 青岛清原化合物有限公司 | A kind of ternary weeding composition and its application |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102907440A (en) * | 2012-10-31 | 2013-02-06 | 青岛东生药业有限公司 | Weedicide for preventing and controlling field weeds |
| CN104082324A (en) * | 2014-07-09 | 2014-10-08 | 联保作物科技有限公司 | Weeding composition for wheat field and medicinal preparation of weeding composition |
-
2017
- 2017-04-01 CN CN201710213509.8A patent/CN108013052A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102907440A (en) * | 2012-10-31 | 2013-02-06 | 青岛东生药业有限公司 | Weedicide for preventing and controlling field weeds |
| CN104082324A (en) * | 2014-07-09 | 2014-10-08 | 联保作物科技有限公司 | Weeding composition for wheat field and medicinal preparation of weeding composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109418274A (en) * | 2018-06-01 | 2019-03-05 | 青岛清原化合物有限公司 | A kind of ternary weeding composition and its application |
| WO2019228215A1 (en) * | 2018-06-01 | 2019-12-05 | 青岛清原化合物有限公司 | Ternary herbicidal composition and application thereof |
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Application publication date: 20180511 |