CN108617660A - A kind of complex weedicide - Google Patents
A kind of complex weedicide Download PDFInfo
- Publication number
- CN108617660A CN108617660A CN201710176040.5A CN201710176040A CN108617660A CN 108617660 A CN108617660 A CN 108617660A CN 201710176040 A CN201710176040 A CN 201710176040A CN 108617660 A CN108617660 A CN 108617660A
- Authority
- CN
- China
- Prior art keywords
- benzobicylon
- chlorine fluorine
- fluorine pyridine
- pyridine ester
- complex weedicide
- 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.)
- Pending
Links
Classifications
-
- 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
- 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
Landscapes
- 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 a kind of complex weedicides, it is characterised in that containing chlorine fluorine pyridine ester and benzobicylon two kinds of active components, the complex preparation is for preventing weeds in paddy field, dosage form safety and environmental protection, the active ingredient mode of action is unique, and the lasting period is long, herbicidal spectrum is wide, has apparent synergistic effect.
Description
Technical field
The invention belongs to pesticide fields, disclose a kind of complex weedicide for preventing and kill off paddy field weed, and in particular to
Chlorine fluorine pyridine ester and the complex weedicide that benzobicylon is active constituent.
Background technology
Rice is main cereal crop, and rice is the staple food grain of the population of world's one third, almost accounts for its food
2/3rds.It is planted with the large area of rice, weeds is concerned by people increasingly in rice field.According to the United Nations's grain farmer's group
Knit report, the whole world endangers about 250 kinds of the weeds of staple food crop, become influence crop yield an important factor for.It is right at present
There are weeding by machine and chemical herbicide weeding in the processing mode of weeds, large quantities of labour can be not only saved using chemical herbicide
Power is raised labour productivity, and weeds are removed between so that common mechanical is difficult to the seedling removed, and keep mechanization further complete
It is kind, so that traditional tillage and cultivation method is also improved.Therefore, the research and application of chemical herbicide are increasingly by the weight of people
Depending on.Currently, research and development are novel, efficient chemical herbicide is necessary.
Chlorine fluorine pyridine ester (florpyrauxifen-benzyl) is the novel aromatic yl pyridines formic acid class of Tao benefit agriculture exploitation
Herbicide, exploitation code name are XDE-848, chemical name：The chloro- 6- of 4- amino -3- (the fluoro- 3- methoxy-benzyls of the chloro- 2- of 4-) -5- fluorine
Pyridine-2-carboxylic acids benzene methyl, CAS accession number are [1390661-72-9].Chlorine fluorine pyridine ester can be used for more including rice
Grassy weed, broad leaved weed and nutgrass flatsedge are prevented and kill off in crop, more areas, known so as to solve due to its mechanism of action novelty
Resistance problem, including to acetolactate synthestase (ALS) inhibitor, acetyl-CoA carboxylase (ACCase) inhibitor, to hydroxyl
The generations such as base phenylpyruvic acid dual oxide enzyme (HPPD) inhibitor, propanil, dichloro quinolinic acid, glyphosate, triazine herbicide are anti-
The weeds of property, have extraordinary activity to rice terrace resistance barnyard grass.Structural formula is as follows：
Benzobicylon (benzobicyclon) is the novel double-octane class of Japanese SDS biotech firms research and development
Albinism rice terrace post-emergence herbicide, exploitation code name be SB-500, the ingredient to rice safety, being compatible with the environment property compared with
It is good, to fish, mammal low toxicity.The compound has bicyclic and diphenyl sulfide unique texture so that in rice terrace to water
The selectivity of rice and weeds is higher.Structural formula is as follows：
Herbicide is right the problem of many places produce drug resistance and poisoning often not according to Normalization rule at present
Soil produces large effect.According to our field trial, 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 expanding herbicidal spectrum, can also be reduced
Influence to soil.So we compound two kinds of active ingredients of chlorine fluorine pyridine ester and benzobicylon, to reach above-mentioned effect
Fruit.
Invention content
It is an object of the invention in view of the shortcomings of the prior art, provide a kind of good herbicidal effect, broad weed-killing spectrum, safety
It can height, the complex weedicide that production-increasing function is notable, dispenser is convenient, toxicity is low.
The weight ratio of above-mentioned complex weedicide, chlorine fluorine pyridine ester and benzobicylon is 1：50~50：1, preferred weight ratio
It is 1：30~30：1, more preferable weight ratio is 1：10~10：1.
Using above-mentioned complex weedicide, it is equipped with auxiliary agent known to a person skilled in the art, with technology people in the art
The dosage form of the present invention can be made in method well known to member.Its dosage form that can be processed be dispersible oil-suspending agent, water dispersible granules,
Suspending agent, suspension emulsion.
Above-mentioned complex weedicide is mainly used for preventing the grassy weed in rice terrace and broad leaved weed.
Above-mentioned complex weedicide has the advantage that：1, effectively prevent the poisoning and drug resistance that herbicide has generated；2, two
Active ingredient compounding has synergistic effect；3, dosage form safety and environmental protection can play drug effect well；4, herbicidal spectrum is wide, significant effect.
Specific implementation mode
In order to verify the synergistic effect of two kinds of active ingredient of chlorine fluorine pyridine ester and benzobicylon compounding, applicant exists first
Indoor biometrics experiment is carried out under room temperature condition of pot, to determine herbicidal effect after two kinds of active ingredient different proportion mixtures, is commented
Its synergy of valence.Test method is with reference to NY/T1155.7-2006.
Experiment selects grassy weed barnyard grass, broad leaved weed Monochoria vaginalis as target weeds.
Test medicine solution：The accurate chlorine fluorine pyridine ester and benzobicylon active compound for weighing constant weight, with ten times of first
Alcohol dissolves, and is added in the clear water containing 0.1% Tween 80 emulsifier, is stirred until homogeneous, it is molten containing certain active ingredient
Liquid.
Placebo solution：Add the water of 0.1% Tween 80 emulsifier with isodose methanol.
Test method is as follows：Examine mixed rear medicament to barnyard grass, the activity of Monochoria vaginalis using gowing methods, in high 7cm, directly
The soil of the polypots amount of setting of diameter 10cm will uniformly be sowed in polypots for trying 20, the seed of weeds, 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 a certain concentration
The liquid of gradient carries out cauline leaf spraying treatment when weed growth is to the 3-5 leaf phases, per alms bowl spraying liquid 1ml, each handles 4 weights
It is multiple, it is compared using blank solution.Test material is placed in room temperature and cultivates after processing, the growing state of routine observation weeds, and 21
The damage symptoms and growth inhibition situation that target weeds are estimated after it, weigh strain fresh weight, calculate fresh weight inhibition rate (%).
Evaluation of effect method evaluates herbicide mode of application according to gowing methods, and formula is as follows：
E0(%)=X+Y × (100-X)/100
C=E-E0
E in formula0For the theoretical preventive effect inhibited to weeds after two kinds of active ingredient mixtures, after E is two kinds of active ingredient mixtures
To the actual measurement preventive effect that weeds inhibit, X is chlorine fluorine pyridine ester at this dose to the preventive effect of target weeds, and Y is that benzobicylon exists
To the preventive effect of target weeds under the dosage, C is the synergy coefficient of mixture preparation, to evaluate the collaboration of two kinds of active ingredient
Effect, when C be more than 10% when be synergistic effect, be less than 10% when be antagonism, between ± 10% when be addition.
The raw test result of 1 chlorine fluorine pyridine ester of table and benzobicylon different ratio to barnyard grass activity of weeding
After above-mentioned raw survey result can be seen that chlorine fluorine pyridine ester and benzobicylon compounding, synergy coefficient (C) is equal
It is fine to the preventive effect of barnyard grass more than 12%, there is significant synergistic effect.
The raw test result of 2 chlorine fluorine pyridine ester of table and benzobicylon different ratio to the activity of weeding of Monochoria vaginalis
From table 2 it can be seen that after chlorine fluorine pyridine ester and benzobicylon compounding, synergy coefficient (C) is all higher than 13%,
There are good preventive effect, synergistic effect notable to Monochoria vaginalis.
Above-mentioned 2 raw survey experiments show compared with the effect of single medicament, and chlorine fluorine pyridine ester and benzobicylon are compounded
Afterwards, after having good synergistic effect, two kinds of ingredients to compound barnyard grass, the preventive effect of Monochoria vaginalis, single medicament is solved to certain one kind
The bad problem of Weed-control effect has preferable control effect to the weeds of rice terrace frequent species.
Below by way of specific example to present invention be described in more detail, but the present invention be only limited to absolutely not it is following these
Embodiment, the following examples are not limitations of the present invention, only further supplement.Percentage is weight hundred in formula
Divide ratio.
Embodiment 1：The 25.5% dispersible oil-suspending agent of chlorine fluorine pyridine ester benzobicylon
Embodiment 2：31% chlorine fluorine pyridine ester benzobicylon water dispersible granules
Embodiment 3：The 11% dispersible oil-suspending agent of chlorine fluorine pyridine ester benzobicylon
Embodiment 4：The 15% dispersible oil-suspending agent of chlorine fluorine pyridine ester benzobicylon
Embodiment 5：12% chlorine fluorine pyridine ester benzobicylon suspending agent
Embodiment 6：The 20% dispersible oil-suspending agent of chlorine fluorine pyridine ester benzobicylon
Embodiment 7：The 8% dispersible oil-suspending agent of chlorine fluorine pyridine ester benzobicylon
Embodiment 8：12% chlorine fluorine pyridine ester benzobicylon suspension emulsion
Embodiment 9：The 11% dispersible oil-suspending agent of chlorine fluorine pyridine ester benzobicylon
Embodiment 10：31% chlorine fluorine pyridine ester benzobicylon water dispersible granules
Embodiment 11：The 25.5% dispersible oil-suspending agent of chlorine fluorine pyridine ester benzobicylon
Above example is selected, the field efficacy experiment of prevention paddy field weed is carried out, embodiment is anti-to harness the river for verifying
The effect of rice weeds, while being compared with chlorine fluorine pyridine ester single dose and benzobicylon single dose, determine the anti-of each embodiment
Control effect.Specific implementation is as follows：Test medicine is prepared according to examples detailed above and uses the dispersible oil of 10% chlorine fluorine pyridine ester outstanding
Floating agent (dosage form English name：) and 25% benzobicylon suspending agent (dosage form English name OD：SC it) is compared, experiment totally ten
Two processing, each handle three repetitions, cell random alignment, plot area 50m2.It carries out a cauline leaf to spray, 15 days after medicine
The fresh weight preventive effect for observing each medicament respectively with 30 days.
Respondent is two kinds of barnyard grass in field, Monochoria vaginalis weeds, and rice occurs without poisoning for visual test medicament.
The test of pesticide effectiveness of 3 chlorine fluorine pyridine ester of table and benzobicylon different ratio prevention rice weed
From above-mentioned data, it is apparent that complex preparation is more than to barnyard grass, Monochoria vaginalis 15 days, 30 days preventive effects
90%, after two kinds of ingredients compounding, have good preventive effect for grass family, broad leaved weed, compared to single agent for, synergistic effect
Obviously.Visually, in the dosage range used in this experiment, to rice safety.
In conclusion complex preparation has obviously synergistic effect, two are far above to the herbicidal effect of weeds in field
The herbicidal effect of kind single dose, expands herbicide controlling spectrum, extends the lasting period, to reduce the amount of labour of peasant, increase economic efficiency.This
Invention can carry out under the premise of can implement and unobvious violate the present invention between technical characteristic described in different technologies scheme
Arbitrary form combines and forms other technologies scheme.The above specific implementation mode and embodiment be the present invention has been carried out it is detailed
Illustrate, but not the scope of the present invention is defined, modifies and replace in the principle without departing from claim, it should all
In belonging to the scope of protection of the present invention.
Claims (5)
1. a kind of complex weedicide, it is characterised in that：Active constituent is made of chlorine fluorine pyridine ester and benzobicylon, the chlorine fluorine
The weight ratio of pyridine ester and benzobicylon is 1：50~50：1.
2. complex weedicide according to claim 1, it is characterised in that：The weight ratio of chlorine fluorine pyridine ester and benzobicylon
It is 1：30~30：1.
3. complex weedicide according to claim 1, it is characterised in that：The weight ratio of chlorine fluorine pyridine ester and benzobicylon
It is 1：10~10：1.
4. complex weedicide according to claim 1, it is characterised in that：It is outstanding that dispersible oil is made by active constituent and auxiliary material
Floating agent, water dispersible granules, suspending agent, suspension emulsion.
5. application of the complex weedicide according to claim 1 in preventing weeds in paddy field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710176040.5A CN108617660A (en) | 2017-03-22 | 2017-03-22 | A kind of complex weedicide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710176040.5A CN108617660A (en) | 2017-03-22 | 2017-03-22 | A kind of complex weedicide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108617660A true CN108617660A (en) | 2018-10-09 |
Family
ID=63707264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710176040.5A Pending CN108617660A (en) | 2017-03-22 | 2017-03-22 | A kind of complex weedicide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108617660A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111820228A (en) * | 2019-04-19 | 2020-10-27 | 江苏省农垦生物化学有限公司 | Combined herbicide and production method thereof |
| CN112568222A (en) * | 2020-04-13 | 2021-03-30 | 辽宁先达农业科学有限公司 | Weeding composition, application thereof and herbicide |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104661524A (en) * | 2012-07-24 | 2015-05-27 | 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 |
| CN104717884A (en) * | 2012-07-24 | 2015-06-17 | 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 |
-
2017
- 2017-03-22 CN CN201710176040.5A patent/CN108617660A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104661524A (en) * | 2012-07-24 | 2015-05-27 | 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 |
| CN104717884A (en) * | 2012-07-24 | 2015-06-17 | 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111820228A (en) * | 2019-04-19 | 2020-10-27 | 江苏省农垦生物化学有限公司 | Combined herbicide and production method thereof |
| CN112568222A (en) * | 2020-04-13 | 2021-03-30 | 辽宁先达农业科学有限公司 | Weeding composition, application thereof and herbicide |
| CN112568222B (en) * | 2020-04-13 | 2023-04-21 | 辽宁先达农业科学有限公司 | Herbicidal composition, application thereof and herbicide |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106106456A (en) | A kind of Herbicidal combinations | |
| CN103314971A (en) | Weeding composition | |
| CN105494360A (en) | Compound herbicide | |
| CN108617660A (en) | A kind of complex weedicide | |
| CN106234391A (en) | A kind of complex weedicide | |
| CN103371176A (en) | Glufosinate-ammonium-containing pesticide composition | |
| CN107751207A (en) | A kind of Herbicidal combinations | |
| CN108719314A (en) | A kind of Herbicidal combinations | |
| CN105532702A (en) | Weeding composition | |
| CN106172410A (en) | There is the Herbicidal combinations of potentiation | |
| CN105123707A (en) | Weeding composition | |
| CN107751208A (en) | A kind of complex weedicide | |
| CN105494350A (en) | Weeding composition | |
| CN105494397A (en) | Compound herbicide | |
| CN107787997A (en) | A kind of complex weedicide | |
| CN105325421A (en) | Compound herbicide | |
| CN107771813A (en) | A kind of Herbicidal combinations | |
| CN104585211A (en) | Complex herbicide | |
| CN104770382A (en) | Weeding composition | |
| CN104542666A (en) | Herbicidal composition | |
| CN105454270B (en) | Pesticide composition | |
| CN105475295A (en) | Weeding composition | |
| CN105052970A (en) | Herbicidal composition | |
| CN107873719A (en) | A kind of Herbicidal combinations | |
| CN105475320A (en) | Compound weed killer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181009 |