CN109362737A - A kind of Herbicidal combinations of containing chlorine fluorine pyridine ester and KIH 6127 - Google Patents
A kind of Herbicidal combinations of containing chlorine fluorine pyridine ester and KIH 6127 Download PDFInfo
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- CN109362737A CN109362737A CN201811343573.9A CN201811343573A CN109362737A CN 109362737 A CN109362737 A CN 109362737A CN 201811343573 A CN201811343573 A CN 201811343573A CN 109362737 A CN109362737 A CN 109362737A
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- kih
- fluorine pyridine
- chlorine fluorine
- pyridine ester
- herbicidal combinations
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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
-
- 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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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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)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses the Herbicidal combinations of a kind of containing chlorine fluorine pyridine ester and KIH 6127, belong to technical field of pesticide.Herbicidal combinations active constituent of the invention includes chlorine fluorine pyridine ester and KIH 6127, the weight ratio of the chlorine fluorine pyridine ester and KIH 6127 is 0.1~100:0.1~100, preferably 0.1~10:0.1~50, it is 0.5%~28% that further preferably 0.1~10:0.1~10, chlorine fluorine pyridine ester and KIH 6127, which account for the weight percentage in the Herbicidal combinations,.Herbicidal combinations of the invention are administered in combination by the chlorine fluorine pyridine ester and KIH 6127 of different role mechanism, greatly improve activity of weeding, the speed that weeds develop drug resistance is delayed, can integrate and efficiently control various weeds occurrence injuries, extend the lasting period of medicament.
Description
Technical field
The present invention relates to the Herbicidal combinations of a kind of containing chlorine fluorine pyridine ester and KIH 6127, 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.
KIH 6127 also known as Bi Libi energy, chemical name: 2- [(4,6- dimethoxypyridin -2- base) oxygen] -6- [1- (N- first
Oxygroup imino group) ethyl] methyl benzoate, it is to belong to miazines Uptake and translocation selective herbicide, inhibits acetolactate synthestase
The biosynthesis of hindered aminoacid makes weeds cessation of cell division until dead, and effective component can be spread rapidly in water, quilt
It is transmitted to after the root absorption of weeds in plant body, the synthesis of hindered aminoacid, absorbability is strong, can be absorbed by weeds cauline leaf, right
Barnyard grass special efficacy also has preferable preventive effect to nutgrass flatsedge and broadleaf weeds.
Currently, the herbicide degrass spectrum of single active ingredient is limited, and exclusive use can not effectively control weeds
Occur, furthermore, the herbicide that single kind is used for a long time will lead to the generation of herbicide resistance.The applicant be surprised to find that by
The combined administration of chlorine fluorine pyridine ester and KIH 6127, prevention and treatment paddy field weed are synergistic significant.At present both at home and abroad, chlorine fluorine pyrrole is had no
The report of pyridine ester and KIH 6127 combined application.
Summary of the invention
The purpose of the present invention is the generations of weeds after the status and paddy field seedling according to current paddy field herbicide after seedling
Situation provides a kind of Herbicidal combinations of binary built and/or mixture by chlorine fluorine pyridine ester and KIH 6127, the Herbicidal combinations
The preventive effect to weeds can not only be improved, and to when stubble and succession crop safety, while reducing the drug cost of peasant.
To achieve the above object, the technical scheme adopted by the invention is that:
A kind of Herbicidal combinations of containing chlorine fluorine pyridine ester and KIH 6127, wherein the weight ratio of chlorine fluorine pyridine ester and KIH 6127
For 0.1~100:0.1~100.
Preferably, the weight ratio of the chlorine fluorine pyridine ester and KIH 6127 is 0.1~10:0.1~50.
Preferably, the weight ratio of the chlorine fluorine pyridine ester and KIH 6127 is 0.1~10:0.1~10.
Preferably, it is 0.5% that the chlorine fluorine pyridine ester and KIH 6127, which account for the weight percentage in the Herbicidal combinations,
~28%.
Preferably, the chlorine fluorine pyridine ester and KIH 6127 account for the weight percentage in the Herbicidal combinations be 1%~
15%.
Herbicidal combinations of the invention, including active constituent, further include different surfactants, thickener, solvent or
The auxiliary agent allowed on the pesticides such as solid packing is processed into any one of pesticide field permission with conventional Pesticide formulation method
Kind dosage form.
Preferably, the dosage form includes missible oil, dispersible oil-suspending agent, wettable powder, suspending agent, suspended emulsion, water
Dispersible granule, granule.
Preferably, the amount of application and frequency of administration of the composition pesticide, according to the mixing ratio of effective component, meteorological item
Part, dosage form, Dressing date, method of administration, application place, controlling object etc. it is different and variant.
Preferably, product described in the invention can be provided in the form of finished product preparation, i.e., each substance has mixed in composition
It closes, the ingredient of composition can also be provided with unit dose form, be used in mixed way according to needs.
Preferably, Herbicidal combinations of the invention can also be used in mixed way with other known active constituent, including but unlimited
In insecticide, fungicide, herbicide, fertilizer, synergist, plant growth regulator, biostimulant and safener etc..
Compared with prior art, Herbicidal combinations of the present invention have the beneficial effect that
(1) Herbicidal combinations of the invention are administered in combination by the chlorine fluorine pyridine ester and KIH 6127 of different role mechanism, pole
The earth improves activity of weeding, the speed for having delayed weeds to develop drug resistance；
(2) Herbicidal combinations of the present invention expand prevention spectrum well, extend the lasting period, and KIH 6127 absorbability is strong, can
It is absorbed by weeds cauline leaf, after both chlorine fluorine pyridine ester and KIH 6127 combined application, can integrate and efficiently control various weeds generations
Harm, extends the lasting period of medicament；
(3) Herbicidal combinations of the present invention are high to paddy field weed preventive effect, synergistic obvious, and then can reduce medicament use
Amount reduces use cost and environmental pollution；
(4) Herbicidal combinations of the present invention make paddy field and rear stubble in the case where improving to rice weed preventive effect
The safety of object is also improved.
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 1:1.5% chlorine fluorine pyridine ester KIH 6127 wettable powder
Preparation method: active constituent and each auxiliary agent are uniformly mixed, and are put into mechanical disintegrating machine and just smash, after pass through
Airslide disintegrating mill crushes, and remixes uniformly, can be prepared by 1.5% chlorine fluorine pyridine ester KIH 6127 wettable powder.
Embodiment 2:10.5% chlorine fluorine pyridine ester KIH 6127 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, sieves through dry, 10.5% chlorine fluorine pyridine ester KIH 6127 moisture is made
Shot agent.
Embodiment 3:2% chlorine fluorine pyridine ester KIH 6127 granule
Preparation method: after mixing by all materials, being added a certain amount of water and mediate this mixture, extrusion granulation,
Through dry screening to get to 2% chlorine fluorine pyridine ester KIH 6127 granule.
Embodiment 4:6% chlorine fluorine pyridine ester KIH 6127 missible oil
Preparation method: all materials are put into batching kettle, and stirring and dissolving can be prepared by 6% chlorine fluorine pyrrole to fully transparent
Pyridine ester KIH 6127 missible oil.
Embodiment 5:11% chlorine fluorine pyridine ester KIH 6127 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 11% chlorine fluorine pyridine ester KIH 6127 moisture
Shot agent.
Embodiment 6:6% chlorine fluorine pyridine ester KIH 6127 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 6% chlorine fluorine pyridine ester KIH 6127 suspending agent after cutting, emulsifying.
Oil-suspending agent can be dispersed in embodiment 7:10.1% chlorine fluorine pyridine ester KIH 6127
Preparation method: being mixed auxiliary agent by above-mentioned formula, be further uniformly mixed after high speed shear, and chlorine fluorine pyridine is added
Ester raw medicine and KIH 6127 raw medicine continue shearing and mix, subsequently into grinding in horizontal sand mill, keep preparation partial size all micro- 10
Oil-suspending agent can be dispersed hereinafter, 10.1% chlorine fluorine pyridine ester KIH 6127 is made in rice.
Embodiment 8:28% chlorine fluorine pyridine ester KIH 6127 suspended emulsion
Preparation method: being dissolved in solvent naphtha for effective component chlorine fluorine pyridine ester raw medicine and KIH 6127 raw medicine by above-mentioned formula, it
After the mixing of each auxiliary agent is added, be uniformly mixed through high speed shear, chlorine fluorine pyridine ester raw medicine and KIH 6127 raw medicine be added, it is mixed to continue shearing
It is even, subsequently into grinding in horizontal sand mill, make preparation partial size all in 5um hereinafter, the 28% phonetic grass of chlorine fluorine pyridine ester is made
Ether suspended emulsion.
Two, indoor biological activity assay
Test method: quantitative paddy field weed seed (barnyard grass, rice barnyard grass, Weedy Rice) is seeded in diameter 9cm's respectively
In polypots, 15~20, every basin seed, after planting 0.5~1cm of earthing or so, emerges to weed seed, and growing way reaches 2 leaves 1
After the heart, weed growth vigorous period carries out cauline leaf spraying treatment.It is placed in greenhouse after processing, periodical visual inspection observes each processing
Weeds survival condition, and investigated at the 21st day, calculate the practical strain preventive effect of each processing.
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 KIH 6127 are to the comprehensive toxicity test result of paddy field weed
By the synthesis toxicity test result of table 1 it is found that chlorine fluorine pyridine ester and KIH 6127 are in proportion 0.1~100:0.1~100
Combined application in range, has obvious synergistic function, compared with each single dose, preventive effect of the combination preparation to paddy field weed
It significantly improves, chlorine fluorine pyridine ester and the KIH 6127 combined application in the range of 0.1~100:0.1~100, to the phytotoxicity standard of rice
At 1-3 grades, the underproduction or total crop failure of rice not will lead to, therefore Herbicidal combinations of the present invention are worth promoting and applying in production.
Three, field trial
Reagent agent: totally 7 kinds of embodiment 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, embodiment 6, embodiment 7
Complex composition.
Comparison medicament: single dose chlorine fluorine pyridine ester, KIH 6127 preparation.
Controlling object: paddy field malignant weed, barnyard grass, rice barnyard grass, Weedy Rice.
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.
2 chlorine fluorine pyridine ester of table and KIH 6127 are to paddy field weed field control effectiveness test result
Field control effectiveness test result show the combination preparation of embodiment 1-7 to barnyard grass, rice barnyard grass, Weedy Rice preventive effect and
Integrated control effect is also apparently higher than single dose chlorine fluorine pyridine ester and KIH 6127 preventive effect obviously higher than single dose chlorine fluorine pyridine ester and KIH 6127
Superposition, while showing that Herbicidal combinations of the present invention improve weed control efficacy, also save drug cost, bright group of the weeding of this hair
It is good to Security of rice to close object, suitable for preventing and kill off a variety of weeds such as paddy field barnyard grass, rice barnyard grass, Weedy Rice.
In conclusion weeding component of the present invention is reasonable, preventive effect is better than the effect that each component single dose is used alone, synergistic effect
Obviously, can expand degrass spectrum, reduce times for spraying, delay the generation of Weed Resistance, it is good to crop safety, save medication at
This, cost performance is high, meets the policy of pesticide reduction application.
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 Herbicidal combinations of containing chlorine fluorine pyridine ester and KIH 6127, which is characterized in that the Herbicidal combinations active constituent
Including chlorine fluorine pyridine ester and KIH 6127, the weight ratio of the chlorine fluorine pyridine ester and KIH 6127 is 0.1~100:0.1~100.
2. the Herbicidal combinations of a kind of containing chlorine fluorine pyridine ester and KIH 6127 according to claim 1, it is characterised in that: described
The weight ratio of chlorine fluorine pyridine ester and KIH 6127 is 0.1~10:0.1~50.
3. the Herbicidal combinations of a kind of containing chlorine fluorine pyridine ester and KIH 6127 according to claim 1, it is characterised in that: described
The weight ratio of chlorine fluorine pyridine ester and KIH 6127 is 0.1~10:0.1~10.
4. the Herbicidal combinations of a kind of containing chlorine fluorine pyridine ester and KIH 6127 according to claim 1, it is characterised in that: described
It is 0.5%~28% that chlorine fluorine pyridine ester and KIH 6127, which account for the weight percentage in the Herbicidal combinations,.
5. the Herbicidal combinations of a kind of containing chlorine fluorine pyridine ester and KIH 6127 according to claim 1, it is characterised in that: described
It is 1%~15% that chlorine fluorine pyridine ester and KIH 6127, which account for the weight percentage in the Herbicidal combinations,.
6. the Herbicidal combinations of a kind of containing chlorine fluorine pyridine ester and KIH 6127 according to claim 1, it is characterised in that: described
Herbicidal combinations can be processed into any one dosage form of pesticide field permission.
7. the Herbicidal combinations of a kind of containing chlorine fluorine pyridine ester and KIH 6127 according to claim 6, it is characterised in that: described
Dosage form includes missible oil, dispersible oil-suspending agent, wettable powder, suspending agent, suspended emulsion, water dispersible granules, granule.
8. the Herbicidal combinations of a kind of containing chlorine fluorine pyridine ester and KIH 6127 according to claim 1, it is characterised in that: described
Herbicidal combinations can also be with other agricultural active ingredients, including insecticide, fungicide, herbicide, fertilizer, synergist, plant
Object growth regulator, biostimulant, safener mix together.
9. Herbicidal combinations described in any one of -8 claims are used to prevent and kill off the use of paddy field weed according to claim 1
On the way.
10. purposes according to claim 9, it is characterised in that: the paddy field weed includes barnyard grass, rice barnyard grass, Weedy Rice.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811343573.9A CN109362737A (en) | 2018-11-13 | 2018-11-13 | A kind of Herbicidal combinations of containing chlorine fluorine pyridine ester and KIH 6127 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811343573.9A CN109362737A (en) | 2018-11-13 | 2018-11-13 | A kind of Herbicidal combinations of containing chlorine fluorine pyridine ester and KIH 6127 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104684391A (en) * | 2012-07-24 | 2015-06-03 | 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 |
| CN107751207A (en) * | 2016-08-17 | 2018-03-06 | 燕化永乐（乐亭）生物科技有限公司 | A kind of Herbicidal combinations |
-
2018
- 2018-11-13 CN CN201811343573.9A patent/CN109362737A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104684391A (en) * | 2012-07-24 | 2015-06-03 | 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 |
| CN107751207A (en) * | 2016-08-17 | 2018-03-06 | 燕化永乐（乐亭）生物科技有限公司 | A kind of Herbicidal combinations |
Non-Patent Citations (1)
| Title |
|---|
| 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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