CN109221219A - A kind of composition pesticide of containing chlorine fluorine pyridine ester and ethoxysulfuron - Google Patents
A kind of composition pesticide of containing chlorine fluorine pyridine ester and ethoxysulfuron Download PDFInfo
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- CN109221219A CN109221219A CN201811343451.XA CN201811343451A CN109221219A CN 109221219 A CN109221219 A CN 109221219A CN 201811343451 A CN201811343451 A CN 201811343451A CN 109221219 A CN109221219 A CN 109221219A
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- China
- Prior art keywords
- ethoxysulfuron
- fluorine pyridine
- chlorine fluorine
- pyridine ester
- composition pesticide
- 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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- 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues 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
- A01N43/34—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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- 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 discloses the composition pesticides of a kind of containing chlorine fluorine pyridine ester and ethoxysulfuron, belong to technical field of pesticide.The active constituent of composition pesticide of the present invention includes chlorine fluorine pyridine ester and ethoxysulfuron, the weight ratio of the chlorine fluorine pyridine ester and ethoxysulfuron is 1:30~10:1, preferably 1:12~7:1, further preferably 1:5~3:1 are still more preferably 0.6:0.9~1.8:2.4.The present invention passes through the combined administration of chlorine fluorine pyridine ester and ethoxysulfuron; it overcomes the limitation of single dose controlling object, delay the generation of Weed Resistance; preventive effect can be significantly improved; extend the protection period of medicament; reduce Pesticide use amount and the risk to environment, meets the demand of " pesticide zero growth rate ".
Description
Technical field
The present invention relates to the composition pesticides of a kind of containing chlorine fluorine pyridine ester and ethoxysulfuron, belong to technical field of pesticide.
Background technique
Chlorine fluorine pyridine ester (florpyrauxifen-benzyl) is the novel aromatic base pyrrole of The Dow Agrosciences, LLC.'s exploitation
Pyridine first acid herbicides can be applied to rice direct seeding field, transplant field and other the crop fields.The CAS accession number of chlorine fluorine pyridine ester is
1390661-72-9 can effectively prevent and kill off the main gramineae weed of paddy field, broadleaf weeds and nutgrass flatsedge with extensive degrass spectrum
Section weeds.
Ethoxysulfuron, other title ethoxysulfurons, Sunstar, chemical name: 1- (4,6- dimethoxypyridin -2-
Base) -3- (2- phenoxy ethoxy sulfonyl) urea, have the characteristics that the application phase is wide, easy to use and safety is good.Ethoxysulfuron
Belong to sulfonylurea interior suction selectivity soil and foliar herbicide, prevents and kill off rice field broadleaf weeds and nutgrass flatsedge, the mechanism of action is to pass through
Weeds root and cauline leaf are transmitted in plant after absorbing, and prevent Amino acid synthesis, and inhibit growth and the root of weeds cauline leaf rapidly
Portion's elongation, it is completely withered to finally result in weeds.Ethoxysulfuron speed of action is slower, starts to inhibit to grow after general medication, 5-7 days
Can be seen that poisoning symptom, but weeds death takes 7-15 days or so, drug will slowly be transmitted to root by weeds photosynthesis,
Butt rot is caused, achievees the effect that pull the grass up by its roots, if 2-3 is used continuously in field, field broadleaf weeds can be greatly reduced
Radix.
The reasonable compounding and/or mixture of herbicide are to improve preventive effect, delay the speed of shift of weed community, reduce agriculture
Medicine single use bring resistance risk mitigates the pollution to environment, reduces the one of use cost and reduction herbicide residue
Kind effective ways.The present inventor to chlorine fluorine pyridine ester and ethoxysulfuron compound and/or mixture has made intensive studies, a large amount of
Formula indoor screening test and field medicine effect test on the basis of, discovery chlorine fluorine pyridine ester and ethoxysulfuron and/or mixed
Match, significant synergistic effect is shown to paddy field weed within a certain range of mixing ratios, after further study, completes
The present invention.
Summary of the invention
It is an object of the invention to be directed to the defect of current herbicide for paddy field, a kind of broad weed-killing spectrum, herbicidal effect are provided
It is good, using safe, be conducive to the composition pesticide of paddy field weed comprehensive treatment.
Another object of the present invention is to provide the composition pesticide for preventing and treating the weeds purposes of paddy field, is preferred for preventing
Control convexutricle sedge herb and arrowhead.
To achieve the above object, the technical scheme adopted by the invention is that:
The weight ratio of a kind of composition pesticide of containing chlorine fluorine pyridine ester and ethoxysulfuron, chlorine fluorine pyridine ester and ethoxysulfuron is
1:30~10:1.
Further, the weight ratio of the chlorine fluorine pyridine ester and ethoxysulfuron is 1:12~7:1.
Further, the weight ratio of the chlorine fluorine pyridine ester and ethoxysulfuron is 1:5~3:1.
Further, the weight ratio of the chlorine fluorine pyridine ester and ethoxysulfuron is 0.6:0.9~1.8:2.4.
The weight percent of the chlorine fluorine pyridine ester and ethoxysulfuron in composition pesticide is 0.1%~25%.
Further, the weight percent of the chlorine fluorine pyridine ester and ethoxysulfuron in composition pesticide be 1%~
18%.
Composition pesticide of the present invention can also be added using chlorine fluorine pyridine ester and ethoxysulfuron as principle active component
The conventional pesticide auxiliary agent allowed in Pesticide formulation, processing is configured on pesticide according to methods well known to those skilled in the art
Any one dosage form allowed.
Further, the dosage form includes missible oil, dispersible oil-suspending agent, water dispersible granules, suspending agent.
Further, the insecticides adjuvant includes solvent, dispersing agent, wetting agent, antifreezing agent, disintegrating agent, binder, defoaming
Agent, thickener, emulsifier, filler.
The frequency of use and usage amount of composition pesticide of the invention with crops, weeds, weather condition and it is small change,
It can achieve the purpose that effectively prevent by using suitable dosage.
Composition pesticide of the invention further includes other agricultural active ingredients, for example, the herbicides of other types, insecticide,
Fungicide, fertilizer and safener.
Composition pesticide of the invention can be to mix the offer of finished product dosage form, i.e., each substance has mixed in composition
It closes, the ingredient of composition pesticide can also be provided with unit dose form, i.e., be used in mixed way according to needs.
Compared with prior art, composition pesticide of the invention has the beneficial effect that
(1) present invention passes through the combined administration of chlorine fluorine pyridine ester and ethoxysulfuron, overcomes the limitation of single dose controlling object
Property, the generation for delaying Weed Resistance.
(2) composition pesticide of the invention has obvious synergistic function, and can significantly improve preventive effect, extends
The protection period of medicament, reduces Pesticide use amount and the risk to environment, meet the demand of " pesticide zero growth rate ".
(3) composition pesticide of the invention also has very high safety to crops under the premise of improving drug effect.
Specific embodiment
To better describe the present invention, following exemplary embodiment is provided.Content mentioned by embodiment cannot recognize
To be limitation of the invention, the selection of material prescription can be according to the actual situation by other equivalent or replacing with similar purpose
It is replaced for feature.That is, being such as not particularly limited, each feature is a series of equivalent or similar characteristics a example, this
The protection scope of the technical solution of invention is subject to claim and is limited.
One, example of formulations
Embodiment 1:3.3% chlorine fluorine pyridine ester ethoxysulfuron missible oil
Preparation method: solvent naphtha and cyclohexanone, dimethylformamide are mixed by above-mentioned formula, chlorine fluorine pyridine is added later
Ester, ethoxysulfuron are allowed to be completely dissolved, and emulsifier calcium dodecyl benzene sulfonate, fatty alcohol polyoxyethylene ether, castor-oil plant is then added
Oily polyoxyethylene ether, sorbitol polyoxyethylene ether, stir evenly, and 3.3% chlorine fluorine pyridine ester ethoxysulfuron missible oil is made.
Oil-suspending agent can be dispersed in embodiment 2:3% chlorine fluorine pyridine ester ethoxysulfuron
Preparation method: being mixed oil and dispersing agent, thickener, emulsifier by above-mentioned formula, be uniformly mixed through high speed shear,
Effective component chlorine fluorine pyridine ester, ethoxysulfuron is added, continues shearing and mixes, subsequently into grinding in horizontal sand mill, make preparation
Partial size is all in 10um hereinafter, can be prepared by 3% chlorine fluorine pyridine ester ethoxysulfuron can be dispersed oil-suspending agent.
Embodiment 3:3.3% chlorine fluorine pyridine ester ethoxysulfuron water dispersible granules
Preparation method: it by chlorine fluorine pyridine ester, ethoxysulfuron and dispersing agent, wetting agent, disintegrating agent and is filled out by above-mentioned formula
Material is uniformly mixed, and is crushed with micro jet, through mediating, is granulated subsequently into Squeezinggranulator, is done in boiling drier
It is dry, through sampling analysis after screening, 3.3% chlorine fluorine pyridine ester ethoxysulfuron water dispersible granules are made.
Embodiment 4:3.6% chlorine fluorine pyridine ester ethoxysulfuron suspending agent
Preparation method: above-mentioned material stirring is uniform, material is injected in multistage sand mill and is ground, the material after grinding is thin
Degree 98% after 1~5 μm by discharging, and material is put into togerther in high-shear emulsifying kettle with the xanthan gum dissolved in advance again, through cutting
To get to 3.6% chlorine fluorine pyridine ester ethoxysulfuron suspending agent after cutting, emulsifying.
Embodiment 5:25% chlorine fluorine pyridine ester ethoxysulfuron water dispersible granules
Preparation method: after mixing by all materials, crushing through airslide disintegrating mill, be uniformly mixed again, then, is added
A certain amount of water mediates this mixture, extrusion granulation, through dry screening to get to 25% chlorine fluorine pyridine ester ethoxysulfuron water
Dispersible granule.
Embodiment 6:1% chlorine fluorine pyridine ester ethoxysulfuron suspending agent
Preparation method: above-mentioned material stirring is uniform, material is injected in multistage sand mill and is ground, the material after grinding is thin
Degree 98% after 1~5 μm by discharging, and material is put into togerther in high-shear emulsifying kettle with the xanthan gum dissolved in advance again, through cutting
To get to 1% chlorine fluorine pyridine ester ethoxysulfuron suspending agent after cutting, emulsifying.
Two, indoor biological activity assay
Test method: quantitative paddy field weed seed (convexutricle sedge herb, arrowhead) is seeded in the polypots of diameter 9cm respectively
In, 15~20, every basin seed, after planting 0.5~1cm of earthing or so, emerges to weed seed, after growing way reaches 2 leaf, 1 heart,
Weed growth vigorous period carries out cauline leaf spraying treatment.It is placed in greenhouse after processing, the weeds that periodical visual inspection observes each processing are deposited
Situation living, and investigated at the 21st day, the practical strain preventive effect of each processing is calculated, test result is shown in Table 1.
Synergy evaluation method:
The synergy of herbicide is evaluated according to Gowing method, formula is as follows:
X, Y is the weeds of each single dose with respect to strain preventive effect;
E0: indicate the theoretical preventive effect of each processing;
E: the practical preventive effect of each processing is indicated;
Evaluation criterion: as E > E0When, show as synergistic effect;Work as E=E0When, show as summation action;As E < E0When,
Show as antagonism.
Safety evaluatio:
Observing medicament, whether there is or not phytotoxicity to rice, record the type and extent of phytotoxicity.Phytotoxicity grade scale is as follows:
1 grade: paddy growth is normal, without any damage symptoms;
2 grades: the slight phytotoxicity of rice, phytotoxicity are less than 10%;
3 grades: the medium phytotoxicity of rice can restore later, not influence yield;
4 grades: rice drug misadventuring is heavier, it is difficult to restore, cause the underproduction;
5 grades: rice drug misadventuring is serious, cannot restore, and causes the obvious underproduction or total crop failure.
1 chlorine fluorine pyridine ester of table and ethoxysulfuron are to convexutricle sedge herb and the comprehensive toxicity test result of arrowhead
By the toxicity test result of table 1 it is found that chlorine fluorine pyridine ester and the integrated control effect after ethoxysulfuron and/or mixture
E is all larger than E0, illustrate that the combined administration of the two has synergistic function, can significantly improve and convexutricle sedge herb and arrowhead are prevented and kill off
Effect is worth promoting and applying in production to rice without phytotoxicity.
Three, field trial
Reagent agent: embodiment 1, embodiment 2, embodiment 3, embodiment 4, totally 4 kinds of complex compositions.
Comparison medicament: single dose chlorine fluorine pyridine ester, ethoxysulfuron preparation.
Controlling object: convexutricle sedge herb, arrowhead.
Application method: in weed growth vigorous period, uniformly it is watered cauline leaf spraying treatment.
Pilot survey: 7 days range estimation Security of rice after application, 14 days actual measurement weeds strain preventive effects, are sampled using 5 points after application
Method, every 1m2It is sampled investigation.
The field control effectiveness test of 2 chlorine fluorine pyridine ester of table and ethoxysulfuron to convexutricle sedge herb and arrowhead weeds
By the field control effectiveness test result of table 2 it is found that chlorine fluorine pyridine ester and ethoxysulfuron combination preparation, to convexutricle sedge herb and
During the prevention and treatment of arrowhead weeds, 80% or more is reached to the preventive effect of convexutricle sedge herb, it is equal to the preventive effect of arrowhead weeds
Reach 85% or more, integrated control effect is above the simple superposition of two kinds of single dose preventive effects in 85% or more, three kind of preventive effect, in medication
In range, to rice safety, no phytotoxicity phenomenon is worthy of popularization.
Based on the above description of the preferred embodiments of the present invention, through the above description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
It is not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (10)
1. a kind of composition pesticide of containing chlorine fluorine pyridine ester and ethoxysulfuron, which is characterized in that the activity of the composition pesticide
Ingredient includes chlorine fluorine pyridine ester and ethoxysulfuron, and the weight ratio of the chlorine fluorine pyridine ester and ethoxysulfuron is 1:30~10:1.
2. the composition pesticide of a kind of containing chlorine fluorine pyridine ester and ethoxysulfuron according to claim 1, it is characterised in that: institute
The weight ratio for stating chlorine fluorine pyridine ester and ethoxysulfuron is 1:12~7:1.
3. the composition pesticide of a kind of containing chlorine fluorine pyridine ester and ethoxysulfuron according to claim 1, it is characterised in that: institute
The weight ratio for stating chlorine fluorine pyridine ester and ethoxysulfuron is 1:5~3:1.
4. the composition pesticide of a kind of containing chlorine fluorine pyridine ester and ethoxysulfuron according to claim 1, it is characterised in that: institute
The weight ratio for stating chlorine fluorine pyridine ester and ethoxysulfuron is 0.6:0.9~1.8:2.4.
5. the composition pesticide of a kind of containing chlorine fluorine pyridine ester and ethoxysulfuron according to claim 1, it is characterised in that: institute
Stating composition pesticide can be prepared into any one dosage form allowed on pesticide.
6. the composition pesticide of a kind of containing chlorine fluorine pyridine ester and ethoxysulfuron according to claim 5, it is characterised in that: institute
Stating dosage form includes missible oil, dispersible oil-suspending agent, water dispersible granules, suspending agent.
7. the composition pesticide of a kind of containing chlorine fluorine pyridine ester and ethoxysulfuron according to claim 1, it is characterised in that: institute
Stating composition pesticide further includes other agricultural active ingredients, including herbicide, insecticide, fungicide, fertilizer and safener.
8. the composition pesticide of a kind of containing chlorine fluorine pyridine ester and ethoxysulfuron according to claim 1, it is characterised in that: institute
State composition pesticide originally can be provided in the form of finished product mix preparation, can also be provided with unit dose form.
9. composition pesticide described in any one of -8 claims is used to prevent and kill off the purposes of paddy field weed according to claim 1.
10. purposes according to claim 9, it is characterised in that: the paddy field weed is convexutricle sedge herb and arrowhead.
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104640445A (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-methoxyphenyl) pyridine-2-carboxylic acid |
CN107668059A (en) * | 2017-11-16 | 2018-02-09 | 安徽众邦生物工程有限公司 | A kind of Herbicidal composition for rice field of containing chlorine fluorine pyridine ester |
CN109221213A (en) * | 2018-09-21 | 2019-01-18 | 海利尔药业集团股份有限公司 | A kind of Herbicidal combinations containing chlorine fluorine pyridine ester and ethoxysulfuron |
-
2018
- 2018-11-13 CN CN201811343451.XA patent/CN109221219A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104640445A (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-methoxyphenyl) pyridine-2-carboxylic acid |
CN107668059A (en) * | 2017-11-16 | 2018-02-09 | 安徽众邦生物工程有限公司 | A kind of Herbicidal composition for rice field of containing chlorine fluorine pyridine ester |
CN109221213A (en) * | 2018-09-21 | 2019-01-18 | 海利尔药业集团股份有限公司 | A kind of Herbicidal combinations containing chlorine fluorine pyridine ester and ethoxysulfuron |
Non-Patent Citations (2)
Title |
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徐映明: "《题解除草剂应用技术》", 31 January 2004, 中国农业出版社 * |
沈国辉等: "《中国稻田杂草识别与防除》", 30 June 2018, 上海科学技术出版社 * |
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Application publication date: 20190118 |