CN107771813A - A kind of Herbicidal combinations - Google Patents
A kind of Herbicidal combinations Download PDFInfo
- Publication number
- CN107771813A CN107771813A CN201610724430.7A CN201610724430A CN107771813A CN 107771813 A CN107771813 A CN 107771813A CN 201610724430 A CN201610724430 A CN 201610724430A CN 107771813 A CN107771813 A CN 107771813A
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- CN
- China
- Prior art keywords
- florpyrauxifen
- pyribenzoxim
- weeds
- herbicidal combinations
- effect
- 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
- A01N43/48—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
-
- 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
-
- 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)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of Herbicidal combinations, it is characterised in that containing florpyrauxifen and pyribenzoxim two kinds of active components, said composition is used to prevent and treat rice terrace grassy weed and broad leaved weed, synergistic effect is notable, efficiently, wide spectrum, lasting period length, to rice safety without poisoning.
Description
Technical field
The invention belongs to pesticide field, discloses a kind of Herbicidal combinations for being used to prevent and kill off paddy field weed, and in particular to
Florpyrauxifen and the Herbicidal combinations that pyribenzoxim is active component.
Background technology
Rice is main cereal crop, and rice is the staple food grain of the population in the world 1/3rd, almost accounts for its food
2/3rds.According to FAO (Food and Agriculture Organization of the United Nation), the whole world endangers about 250 kinds of the weeds of staple food crop, turns into influence
An important factor for crop yield.The processing mode for weeds has weeding by machine and chemical herbicide weeding at present, uses chemistry
Herbicide can not only save large quantities of labours, raise labour productivity, and common mechanical is difficult to weeds between the seedling removed
Removed, make mechanization further perfect, traditional tillage and cultivation method is also improved.Therefore, chemical herbicide is ground
Study carefully and using being increasingly valued by people.
Florpyrauxifen is the novel aromatic yl pyridines first acid herbicides of Tao benefit agriculture exploitation, and exploitation code name is
XDE-848 and XR-848, CAS accession number are 943832-81-3.More works that florpyrauxifen can be used for including rice
Grassy weed, broad leaved weed and nutgrass flatsedge are prevented and kill off in thing, more areas.It is known so as to solve because its mechanism of action is novel
Resistance problem, including to acetolactate synthestase (ALS) inhibitor, acetyl-CoA carboxylase (ACCase) inhibitor, to hydroxyl
Phenylpyruvic acid dual oxide enzyme (HPPD) inhibitor, propanil, dichloro quinolinic acid, glyphosate, triazine herbicide etc. produce resistance
Weeds.There is extraordinary activity to rice terrace resistance barnyard grass.Structural formula is as follows：
Pyribenzoxim (Pyribenzoxim) chemical formula is C32H27N5O8, it is aryloxyphenoxypropionic class compound,
For wide spectrum selectivity inner sucting conduction type after seedling cauline leaf process agent, its mechanism of action is after active component is absorbed by plant stem-leaf,
Conduction in vivo influences acetolactate synthestase (ALS) activity, suppresses the conjunction of plant branched-chain amino acid to tender tissue and root
Into making weeds withered, annual and perennial grassy weed and part broad leaved weed can be prevented and treated.In actual applications, it is phonetic
Pyridine oxime grass ether single dose is used to prevent and kill off various grassy weeds and the part broad leaved weeds such as barnyard grass, big fringe amur foxtail, chemical weeding speed
Degree is slower, and drug effect is less desirable.Structural formula is as follows：
Herbicide is often according to Normalization rule at present, the problem of generating the resistance to the action of a drug and poisoning in many places, right
Soil generates large effect.According to our field test, the mixed of herbicide can be very good to overcome and mitigate poisoning.
Meanwhile after being compounded between two kinds of herbicides, certain synergistic effect is also had, while herbicidal spectrum is expanded, can also be reduced
Influence to soil.So we compound two kinds of active ingredients of Florpyrauxifen and pyribenzoxim, on reaching
State effect.
The content of the invention
It is an object of the invention in view of the shortcomings of the prior art, there is provided a kind of herbicidal effect is good, broad weed-killing spectrum, security
Can the high, Herbicidal combinations that production-increasing function is notable, dispenser is convenient, toxicity is low.
The weight ratio of above-mentioned Herbicidal combinations, florpyrauxifen and pyribenzoxim is 1：30~30：1.
Using above-mentioned Herbicidal combinations, auxiliary agent known to a person skilled in the art is equipped with, with technology people in the art
The formulation of the present invention can be made in method known to member.Its formulation that can be processed is dispersible oil-suspending agent, aqueous emulsion.
Above-mentioned Herbicidal combinations are mainly used in preventing and treating the annual gramineous weed and broad leaved weed in rice terrace.
Above-mentioned Herbicidal combinations have the advantage that：1st, herbicide caused poisoning and the resistance to the action of a drug are effectively prevented；2nd, two
Kind active ingredient compounding has synergistic effect；3rd, formulation safety and environmental protection, drug effect can be played well；4th, herbicidal spectrum is wide, significant effect.
Embodiment
In order to verify the synergistic effect of two kinds of active ingredient compoundings of florpyrauxifen and pyribenzoxim, applicant head
Indoor biometricses experiment is first carried out under room temperature condition of pot, is imitated with determining weeding after two kinds of active ingredient different proportion mixtures
Fruit, evaluate its synergy.Test method is with reference to NY/T1155.7-2006.
Experiment selection grassy weed barnyard grass, broad leaved weed Monochoria vaginalis are as target weeds.
Test medicine solution：The accurate florpyrauxifen and pyribenzoxim active compound for weighing constant weight, with ten times
Methanol dissolving, add in the clear water containing 0.1% Tween 80 emulsifying agent, be stirred until homogeneous, contain certain active ingredient
Solution.
Placebo solution：Add the water of 0.1% Tween 80 emulsifying agent with isodose methanol.
Test method is as follows：Using gowing methods examine it is mixed after medicament to barnyard grass, the activity of Monochoria vaginalis, in high 7cm, straight
The soil of the footpath 10cm polypots amount of setting, 20, the seed that will supply to try weeds are uniformly sowed in polypots, lid 0.5-1cm thickness
Thin sand and soil, is placed on room temperature (20 DEG C or so) day optical culture, and the above-mentioned a bulk solution prepared is compounded and is diluted to finite concentration
The decoction of gradient, cauline leaf spraying treatment is carried out when weed growth is to the 3-5 leaf phases, per alms bowl spraying liquid 1ml, each handle 4 weights
It is multiple, compared using blank solution.Test material is placed in room temperature and cultivated after processing, the growing state of routine observation weeds, and 21
The damage symptoms and growth inhibition situation of target weeds are estimated after it, weigh strain fresh weight, calculate fresh weight inhibition (%).
Evaluation of effect method, herbicide mode of application is evaluated according to gowing methods, its formula is as follows：
E0(%)=X+Y × (100-X)/100
C=E-E0
E in formula0For the theoretical preventive effect suppressed after two kinds of active ingredient mixtures to weeds, after E is two kinds of active ingredient mixtures
The actual measurement preventive effect suppressed to weeds, X are florpyrauxifen careless for pyrimidine oxime to the preventive effect of target weeds, Y at this dose
For ether at this dose to the preventive effect of target weeds, C is the synergy coefficient of mixture preparation, to evaluate two kinds of active ingredient
Synergy, be synergistic effect when C is more than 10%, be antagonism during less than 10%, between ± 10% when be addition.
The raw test result of table 1florpyrauxifen and pyribenzoxim different ratio to barnyard grass activity of weeding
As it can be seen from table 1 after florpyrauxifen and pyribenzoxim compounding, synergy coefficient (C) is all higher than
12%, it is fine to the preventive effect of barnyard grass, there is significant synergistic effect.
The raw test result of table 2florpyrauxifen and pyribenzoxim different ratio to the activity of weeding of Monochoria vaginalis
From table 2 it can be seen that after florpyrauxifen and pyribenzoxim compounding, synergy coefficient (C) is all higher than
12%, there is good preventive effect to Monochoria vaginalis.
Above-mentioned 2 raw survey experiments show, compared with the effect of single medicament, by florpyrauxifen and pyribenzoxim
After compounding, after thering is good synergistic effect, two kinds of compositions to compound to barnyard grass, the preventive effect of Monochoria vaginalis, to rice terrace frequent species
Weeds have preferable prevention effect.
Below by way of instantiation to be further described the present invention, but the present invention be only limited to absolutely not it is following these
Embodiment.Percentage is weight percentage in formula.
Formulation examples are as follows：
Embodiment 1：The dispersible oil-suspending agent of 31%florpyrauxifen pyribenzoxims
Embodiment 2：11%florpyrauxifen pyribenzoxim aqueous emulsions
Embodiment 3：The dispersible oil-suspending agent of 14%florpyrauxifen pyribenzoxims
Embodiment 4：12%florpyrauxifen pyribenzoxim aqueous emulsions
Embodiment 5：The dispersible oil-suspending agent of 12%florpyrauxifen pyribenzoxims
Embodiment 6：6%florpyrauxifen pyribenzoxim suspending agents
Embodiment 7：The dispersible oil-suspending agent of 12%florpyrauxifen pyribenzoxims
Embodiment 8：6%florpyrauxifen pyribenzoxim aqueous emulsions
Embodiment 9：The dispersible oil-suspending agent of 7%florpyrauxifen pyribenzoxims
Embodiment 10：11%florpyrauxifen pyribenzoxim aqueous emulsions
Embodiment 11：31%florpyrauxifen pyribenzoxim aqueous emulsions
Above example is selected, prevent and treat the field efficacy experiment of paddy field weed, is harnessed the river for verifying that embodiment is anti-
The effect of rice weeds, while contrasted with florpyrauxifen single doses and pyribenzoxim single dose, determine each embodiment
Prevention effect.Specific implementation is as follows：The dispersible oil-suspending agent of 12%florpyrauxifen pyribenzoxims (formulation English
Title：OD) and other preparations preventing and treating rice terrace barnyard grass, the herbicide of Monochoria vaginalis are tested.Test medicine is matched somebody with somebody according to examples detailed above
Make and use 10%florpyrauxifen dispersible oil-suspending agent (formulation English names：) and 5% pyribenzoxim missible oil OD
(formulation English name：EC) contrasted, experiment totally ten two processing, each handle three repetitions, cell random alignment, cell
Area 50m2.The 15 days and 30 days fresh weight preventive effects for observing each medicament respectively after medicine.
Respondent is two kinds of barnyard grass in field, Monochoria vaginalis weeds, and rice occurs visual test medicament without poisoning.
Table 3florpyrauxifen and pyribenzoxim different ratio preventing and treating the rice weed test of pesticide effectiveness
From above-mentioned data, it is apparent that different complex preparations exceed to barnyard grass, Monochoria vaginalis 15 days, the preventive effect of 30 days
90%, after two kinds of compositions compound, there are good preventive effect, for single dose, synergistic effect for grass family, broad leaved weed
Substantially.Visually, used in this experiment in dosage range, to rice safety.
In summary, Herbicidal combinations have obviously synergistic effect, and the herbicidal effect of weeds in field is far above
The herbicidal effect of two kinds of single doses, expand herbicide controlling spectrum, extend the lasting period, so as to reduce the amount of labour of peasant, increase economic efficiency,
It is environmentally safe.
Claims (2)
- A kind of 1. Herbicidal combinations, it is characterised in that：Active component is made up of florpyrauxifen and pyribenzoxim, described The weight of florpyrauxifen and pyribenzoxim ratio is 1：30~30：1.
- 2. Herbicidal combinations according to claim 1, it is characterised in that：It is outstanding that dispersible oil is made by active component and auxiliary material Floating agent, aqueous emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724430.7A CN107771813A (en) | 2016-08-25 | 2016-08-25 | A kind of Herbicidal combinations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724430.7A CN107771813A (en) | 2016-08-25 | 2016-08-25 | A kind of Herbicidal combinations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107771813A true CN107771813A (en) | 2018-03-09 |
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ID=61438463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610724430.7A Pending CN107771813A (en) | 2016-08-25 | 2016-08-25 | A kind of Herbicidal combinations |
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| Country | Link |
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| CN (1) | CN107771813A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111919849A (en) * | 2020-08-29 | 2020-11-13 | 青岛恒宁生物科技有限公司 | Weeding composition containing halauxifen-methyl and pyribenzoxim and application thereof |
Citations (1)
| 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 |
-
2016
- 2016-08-25 CN CN201610724430.7A patent/CN107771813A/en active Pending
Patent Citations (1)
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111919849A (en) * | 2020-08-29 | 2020-11-13 | 青岛恒宁生物科技有限公司 | Weeding composition containing halauxifen-methyl and pyribenzoxim and application thereof |
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| PB01 | Publication | ||
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Application publication date: 20180309 |