CN107242237A - Herbicidal combinations containing chlorine fluorine pyridine ester and herbicide-safener - Google Patents
Herbicidal combinations containing chlorine fluorine pyridine ester and herbicide-safener Download PDFInfo
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- CN107242237A CN107242237A CN201710648487.8A CN201710648487A CN107242237A CN 107242237 A CN107242237 A CN 107242237A CN 201710648487 A CN201710648487 A CN 201710648487A CN 107242237 A CN107242237 A CN 107242237A
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- Prior art keywords
- herbicide
- fluorine pyridine
- chlorine fluorine
- safener
- 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
- 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
- A01N25/32—Ingredients for reducing the noxious effect of the active substances to organisms other than pests, e.g. toxicity reducing compositions, self-destructing compositions
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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)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of Herbicidal combinations containing chlorine fluorine pyridine ester and herbicide-safener fenchlorazole or mefenpyrdiethyl, it is characterized in that said composition contains active ingredient chlorine fluorine pyridine ester and herbicide-safener fenchlorazole or mefenpyrdiethyl, the part by weight of wherein chlorine fluorine pyridine ester and herbicide-safener fenchlorazole or mefenpyrdiethyl is 20:1~1:10.The Herbicidal combinations of the present invention, the security to crops significantly improves, reduces the generation of phytotoxicity accident, protect the interests of peasant, so as to reduce the generation that social groups' property complains to the higher authorities about an injustice and request fair settlement event.
Description
Technical field
The present invention relates to herbicide manufacture field, more particularly to a kind of security it is good contain chlorine fluorine pyridine ester and herbicide
The Herbicidal combinations of safener fenchlorazole or mefenpyrdiethyl.
Background technology
Chlorine fluorine pyridine ester (the general entitled florpyrauxifen of English), is the arylpicolinic acids esters of brand new
Compound, is synthetic auxin class herbicide, possesses the mechanism of action of uniqueness.It simulates high dose plant growth regulator
Effect, causes the overstimulation of the plain regulatory gene of particular growth, disturbs multiple growth courses of sensitive plant.After the herbicide bud
Almost without residual action after processing, many rotation crop securities to plantation in 10 months after medication are good, leeway may be selected big.
Chlorine fluorine pyridine ester consumption is only 1-2 grams/acre, belongs to super-active herbicide.Chlorine fluorine pyridine ester can be by the leaf of plant
Piece and root absorption, with absorbability, can conduct and be accumulated in the separate living tissue of weeds, so as to play through xylem and bast
Activity of weeding.
Chlorine fluorine pyridine ester wide spectrum, efficient, quick-acting, consumption are low, cauline leaf process after bud, for many works including paddy rice
Grassy weed, broad leaved weed and nutgrass flatsedge are prevented and kill off in thing, many areas.Such as barnyard grass, bald barnyard, rice barnyard grass, moleplant seed grassy weed,
The sedge weeds such as difformed galingale herb, chufa, cyperus iria, the rhizome of nutgrass flatsedge, miliary fimbristylis herb, piemarker, rhizoma alismatis, water amaranth, three-coloured amaranth,
The broad leaved weeds such as artemisiifolia, lamb's-quarters, Horseweed Herb, Brittle Falsepimpernel Herb, climbing seedbox herb, Monochoria korsakowii, arrowhead, Siberian cocklebur.
Because the chlorine fluorine pyridine ester mechanism of action is novel, so as to solve to include to suppress acetolactate synthestase (ALS)
Agent, acetyl-CoA carboxylase (ACCase) inhibitor, p-hydroxyphenypyruvate dioxydenase (HPPD) inhibitor, propanil, two
Chloro-quinolinic acid, glyphosate, triazine herbicide etc. produce the weeds of resistance.There is extraordinary activity to rice terrace resistance barnyard grass.
Though chlorine fluorine pyridine ester is super-active herbicide, there is a fatal weakness, it is poor to crop safety,
Easily to crop produce poisoning, the loss for causing to be difficult to retrieve to peasant, also the reputation to manufacturer cause to have a strong impact on.
The content of the invention
The invention aims to overcome disadvantages described above, there is provided a kind of side for improving chlorine fluorine pyridine ester weeding safety
Method.
We are had found by studying, in chlorine fluorine pyridine ester formulation, add herbicide-safener herbicide-safener
Fenchlorazole or mefenpyrdiethyl, can improve security of the chlorine fluorine pyridine ester to crops, so as to constitute, security is good to be removed
Careless composition, reduces phytotoxicity accident.
The purpose of the present invention can be reached by following measures：
A kind of Herbicidal combinations containing chlorine fluorine pyridine ester and herbicide-safener, said composition contains active ingredient chlorine fluorine
Pyridine ester and herbicide-safener, the wherein part by weight of chlorine fluorine pyridine ester and herbicide-safener are 20:1~1:10.
Herbicide-safener of the present invention is selected from fenchlorazole or mefenpyrdiethyl, can effectively mitigate chlorine fluorine pyridine ester and remove
Injury of the careless agent to crops.By adding herbicide-safener fenchlorazole or pyrazoles solution grass in chlorine fluorine pyridine ester formulation
Ester, both can ensure that the activity of weeding of chlorine fluorine pyridine ester, and security of the chlorine fluorine pyridine ester herbicide to crops can be improved again, protect
Protect crops, it is ensured that agricultural production high yield good harvest.
In a kind of preferred scheme, the part by weight of chlorine fluorine pyridine ester and herbicide-safener is 17:1~1:7.
In a kind of preferred scheme, the part by weight of chlorine fluorine pyridine ester and herbicide-safener is 15:1~1:5.
In some preferred technical schemes, described chlorine fluorine pyridine ester and the weight ratio of herbicide-safener can be
20:1、19:1、18:1、17:1、16:1、15:1、14:1、13:1、12:1、11:1、10:1、9:1、8:1、7:1、6:1、5:1、4:
1、3:1、2:1、1:1、1:2、1:3、1:4、1:5、1:6、1:7、1:8、1:9、1:Selected in 10 these ratios.
In Herbicidal combinations of the present invention, chlorine fluorine pyridine ester is with both herbicide-safeners in Herbicidal combinations
Weight/mass percentage composition is 1%~99%, preferably 2%~80%, more preferably 3%~75%, and inventor is found through experiments that, matches somebody with somebody
Than within this range, drug effect and safe sex differernce less, are respectively provided with more longlasting drug effect and security.
The composition of the present invention can also add pesticidal preparations using chlorine fluorine pyridine ester and herbicide-safener as active ingredient
The conventional pesticide auxiliary agent of upper permission, is configured to any one formulation allowed on agricultural chemicals, and these formulations are including but not limited to wettable
Property pulvis, water dispersible granules, aqueous emulsion, suspension emulsion, oil-suspending agent, missible oil etc..
Insecticides adjuvant of the present invention includes but is not limited to dispersant, stabilizer, spreader-sticker, disintegrant, wetting agent, molten
One or more in agent, safener, binding agent, adhesive, antifreeze, emulsifying agent, defoamer, filler, thickener.
The wetting agent is including but not limited to neopelex, calcium dodecyl benzene sulfonate, dodecyl sulphate
Sodium, alkylnaphthalene sulfonate, alkyl phenol formaldehyde resin polyoxyethylene ether, aliphatic alcohol sulfate, phenethyl phenol APEO, nonyl
One or more in base phenol polyethenoxy ether.
The dispersant is including but not limited to lignosulfonates, alkylbenzenesulfonate, APES, nonyl
One or more in phenol polyethenoxy ether, alkyl ethyl sulfonate, alkylnaphthalene sulfonate formaldehyde condensation products, polycarboxylate.
The stabilizer including but not limited to epoxidized vegetable oil, one kind in such as epoxidized soybean oil, epoxidized linseed oil or
It is several.
The spreader-sticker is one in polyvinyl alcohol, alkyl diphenyl ether disulphonic acid sodium, poly- trisiloxanes, triethanolamine oleate
Plant or several；
The thickener is including but not limited to one in organobentonite, xanthans, Arabic gum, sodium carboxymethylcellulose
Plant or several；
The disintegrant is including but not limited to the one or more in urea, ammonium sulfate, starch, starch derivatives；
The solvent is including but not limited to water, methyl oleate, soybean oil, white oil, turpentine oil, methyl naphthalene higher aliphatic hydrocarbon
One or more in oil, aromatic hydrocarbons S-150 solvent naphthas；
Described emulsifying agent is non-including but not limited to one or more anion, the compound of nonionic surfactant
Ionic surface active agent such as fatty acid esters of sorbitan, alkylphenol-polyethenoxy polyethenoxy ether, polyoxyethylene alkyl amine etc.,
Anion surfactant such as calcium dodecyl benzene sulfonate, neopelex etc., can be one or two therein
Composition above.
Described adhesive including but not limited to hydroxyethyl cellulose, soluble starch, polyethylene glycol, methylcellulose,
Polycarboxylic acid and water-soluble high-molecular compound sodium carboxymethylcellulose, polyvinyl alcohol, paraffin, gypsum, hydroxypropyl methyl fiber
One or more in element, polyacrylamide；
Described antifreeze is including but not limited to propane diols, polyvinyl alcohol.
Described defoamer is including but not limited to aluminium-magnesium silicate.
Filler of the present invention is including but not limited to white carbon, kaolin, diatomite, bentonite, precipitated calcium carbonate, stone
Cream, attapulgite, soluble starch, vegetable oil, mineral oil, water, nitrogen fertilizer, glucose, Anhydrous potassium carbonate, Carbon Dioxide
The one or more of sodium, Carbon Dioxide hydrogen potassium, anhydrous sodium sulfate etc..
Herbicidal combinations of the present invention can comprise only active component chlorine fluorine pyridine ester and herbicide-safener fenchlorazole or pyrazoles
Cloquitocet_mexyl, is compounded using chlorine fluorine pyridine ester and herbicide-safener as active ingredient, when can also use or prepare to except
Careless composition adds other herbicidal active ingredients, and the active ingredient in the Herbicidal combinations is present in composition with enhancing effective amount
In.
Herbicidal combinations of the invention containing chlorine fluorine pyridine ester and herbicide-safener fenchlorazole or mefenpyrdiethyl, can add
Work is used for agent for removing grass in paddy field into the various formulations of pesticide, a variety of weeds in rice terrace can be prevented and kill off, while effectively improving herbicide
Security of the chlorine fluorine pyridine ester to crops.Therefore, it is a further object to provide the Herbicidal combinations in paddy rice
Application in the postemergence weed control of field, the particularly application in grass family, Cyperaceae and broad leaved weed in preventing and kill off rice terrace.Described
Herbicidal combinations can prepare the herbicide for rice terrace postemergence weed control, particularly prepare for prevent and kill off grass family in rice terrace,
In the herbicide of Cyperaceae and broad leaved weed.Described weeds are specifically as follows the grass such as barnyard grass, bald barnyard, rice barnyard grass, moleplant seed
Section weeds, the sedge weed, piemarker, rhizoma alismatis, water amaranth such as difformed galingale herb, chufa, cyperus iria, the rhizome of nutgrass flatsedge, miliary fimbristylis herb
Broad leaved weeds such as dish, three-coloured amaranth, artemisiifolia, lamb's-quarters, Horseweed Herb, Brittle Falsepimpernel Herb, climbing seedbox herb, Monochoria korsakowii, arrowhead, Siberian cocklebur etc..
Compared to the prior art, beneficial effects of the present invention：
The present invention passes through to adding herbicide-safener fenchlorazole or pyrazoles solution grass in the chlorine fluorine pyridine ester in foregoing invention
Ester, in the range of dosage of the present invention, the Herbicidal combinations physicochemical property of formation is stable, by biological activity determination, prevents
Effect is high, toxicity is low, ambient influnence is small, security good, and result of the test shows, by chlorine fluorine pyridine ester and herbicide-safener fenchlorazole
Or mefenpyrdiethyl mixture, be not in antagonism in terms of the bioactivity of chlorine fluorine pyridine ester, medicine is observed through biological test
Evil situation, as a result shows chlorine of the security of the Herbicidal combinations than not adding herbicide-safener fenchlorazole or mefenpyrdiethyl
Fluorine pyridine ester is significantly improved, and reduces the generation of phytotoxicity accident, protects the interests of peasant, so as to reduce in social groups' property
The generation of visit event.
Embodiment
In order that the objects, technical solutions and advantages of the present invention become apparent from, entered by following specific embodiment
One step explanation.It should be appreciated that following representational specific embodiment is not used to limit this hair only to explain the present invention
It is bright, it is all the simple modifications of preparation method of the present invention are belonged under the concept thereof of the present invention protection scope of the present invention it
It is interior.Number in all examples below is parts by weight.
The chlorine fluorine pyridine ester wettable powder of embodiment 1 40%：
By above chlorine fluorine pyridine ester, fenchlorazole and insecticides adjuvant, filler, according to the conventional machining side of pesticide wettable
Method carries out formulation, obtains 40% chlorine fluorine pyridine ester wettable powder.
The chlorine fluorine pyridine ester water dispersible granules of embodiment 2 75%：
Chlorine fluorine pyridine ester：75 parts；
Fenchlorazole：5 parts；
APES：5 parts；
Ammonium sulfate,：3 parts；
Epoxidized soybean oil：1 part；
Hydroxyethyl cellulose：2 parts；
Soluble starch：Complement to 100 parts.
By above chlorine fluorine pyridine ester, fenchlorazole and various insecticides adjuvants, according to the conventional machining side of pesticide water dispersible granules
Method carries out formulation, obtains 75% chlorine fluorine pyridine ester water dispersible granules.
The chlorine fluorine pyridine ester aqueous emulsion of embodiment 3 5%：
Chlorine fluorine pyridine ester：5 parts；
Fenchlorazole：15 parts；
Aromatic hydrocarbons S-150 solvent naphthas：10 parts；
Neopelex：10 parts；
Epoxidized linseed oil：5 parts；
Alkylnaphthalene sulfonate formaldehyde condensation products：5 parts；
Polyvinyl alcohol：3 parts；
Xanthans：10 parts；
Aluminium-magnesium silicate：3 parts；
Water：Complement to 100 parts.
By above chlorine fluorine pyridine ester, fenchlorazole and various insecticides adjuvants, enter according to the Conventional processing methods of pesticide emulsion in water
Row formulation, obtains 5% chlorine fluorine pyridine ester aqueous emulsion.
The chlorine fluorine pyridine ester suspension emulsion of embodiment 4 10%：
Chlorine fluorine pyridine ester：10 parts；
Mefenpyrdiethyl：5 parts；
Methyl oleate：8 parts；
Neopelex：12 parts；
Lignosulfonates：10 parts；
Arabic gum：10 parts；
Starch derivatives：4 parts；
Polyvinyl alcohol：3 parts；
Water：Complement to 100 parts.
By above chlorine fluorine pyridine ester, mefenpyrdiethyl and various insecticides adjuvants, according to the conventional machining side of agricultural chemicals suspension emulsion
Method carries out formulation, obtains 10% chlorine fluorine pyridine ester suspension emulsion.
Embodiment 5,30% chlorine fluorine pyridine ester oil-suspending agent
By above chlorine fluorine pyridine ester, mefenpyrdiethyl and various insecticides adjuvants, the conventional machining of agent is floated according to pesticide oil suspension
Method carries out formulation, obtains 30% chlorine fluorine pyridine ester oil-suspending agent.
The chlorine fluorine pyridine emulsifiable concentrate of embodiment 6 3%
3 parts of chlorine fluorine pyridine ester
15 parts of mefenpyrdiethyl
5 parts of styrylphenol polyoxyethylene ether
4 parts of butanedioic acid di-isooctyl sulfonate
10 parts of methyl naphthalene higher aliphatic hydrocarbon ils,
Aromatic hydrocarbons S-150 solvent naphtha surpluses
By above chlorine fluorine pyridine ester, mefenpyrdiethyl and various insecticides adjuvants, according to the Conventional processing methods of emulsifiable concentrates for agricultural chemicals
Formulation is carried out, 3% chlorine fluorine pyridine emulsifiable concentrate is obtained.
Removing containing herbicide chlorine fluorine pyridine ester and herbicide-safener fenchlorazole or mefenpyrdiethyl of the present invention
Careless composition, the formulations of pesticide that can be processed into six kinds of formulations including but not limited to more than.
Effect experiment example：
1. toxicity test experiments
1) for examination weeds
It is common difficult anti-weeds piemarker and the rhizome of nutgrass flatsedge in rice terrace for examination weeds.Experiment examination material is carried out in glasshouse
Culture, 25-35 DEG C of temperature, natural lighting.Quantitative piemarker, rhizome of nutgrass flatsedge seed are sowed in a diameter of 9cm plastic tub, it is miscellaneous
Careless earthing 1-2mm, is put into the enamel tray equipped with water, allows water gradually to penetrate into, and waits water to be seeped into and is transferred to glasshouse after native table and treats
With.
In addition to 1~2 day after spray can not water, periodically with bottom infiltrating irrigation mode moisturizing, to keep soil moisture.
2) experimental design
90% chlorine fluorine pyridine ester active compound, 95% herbicide-safener fenchlorazole or mefenpyrdiethyl active compound prepare aqueous suspension
Agent.
Weigh quantitative chlorine fluorine pyridine ester, herbicide-safener fenchlorazole or mefenpyrdiethyl respectively with electronic balance former
Medicine, is first added after emulsifier special dissolving, add 2 times of DMF to being completely dissolved, and is told with 0.1%
It is standby that warm -80 aqueous solution are diluted to 1% aqueous suspension agent.
Dosage is set, and chlorine fluorine pyridine ester sets 2 grams of active ingredient/mus, and herbicide-safener fenchlorazole or mefenpyrdiethyl are set
0.1st, 0.2,0.4,0.6,0.8,1.0,2.0,4.0,8.0,16.0 grams of active ingredient/mu.
Test in piemarker, the processing of 2 leaf of the rhizome of nutgrass flatsedge, 1 heart stage cauline leaf even spraying.
Sprinkling system, Fan spray head, by actual spraying area (1.1m are automatically controlled using ASS-4 types2) sprinkling 50mL medicines
Liquid (equivalent mu water consumption 30kg), has debugged the speed of service, pending plastic tub has been evenly arranged on spraying platform, uniform spray
Mist processing.Atomisation pressure 0.4KPa, Fan spray head flow 800mL/min.Sprayed successively by low amounts to a large amount.Often processing repeats 4
It is secondary.
3) result of the test is calculated
With synergy type of the Gowing methods evaluation after mixed.
Gowing law theory preventive effect calculating formulas are：
E0=X+Y × (100-X) ÷ 100
X, Y are respectively the anti-valid value of actual measurement (%) of two single doses in formula, and E is the anti-valid value of actual measurement (%) that different ratio is used with,
E0For theoretical anti-valid value (%).Work as E-E0Between -10~10 when be addition, E-E0>It is synergistic effect, E-E when 100<-10
When be antagonism.
The chlorine fluorine pyridine ester of table 1 and fenchlorazole mixture synergy indoor measurement
Note：Medicament A is chlorine fluorine pyridine ester；Medicament B is safener fenchlorazole, and dosage is：Gram active ingredient/mu
The chlorine fluorine pyridine ester of table 2 and mefenpyrdiethyl mixture synergy indoor measurement
Note：Medicament A is chlorine fluorine pyridine ester；Medicament C is safener mefenpyrdiethyl, and dosage is：Gram active ingredient/mu
Herbicide chlorine fluorine pyridine ester and herbicide-safener fenchlorazole or pyrazoles solution grass it can be seen from table 1, the data of table 2
Ester carries out mixture, for preventing and kill off paddy field weed indoor biological determination of activity, as a result chlorine fluorine pyridine ester and fenchlorazole or pyrazoles solution
After careless ester mixture, the difference of actual measurement preventive effect and theoretical preventive effect evaluates the joint after herbicide mixture between ± 3 by Gowing methods
Judgment basis is acted on, as actual measurement preventive effect-theory preventive effect E-E0Between -10~10 when be addition, E-E0>Make when 10 for synergy
With, E-E0<It is antagonism when -10, therefore, herbicide chlorine fluorine pyridine ester and herbicide-safener fenchlorazole or mefenpyrdiethyl
Synergy after mixture is addition, is not antagonism, the formula has practical value.
2. field efficacy and safety testing
The Herbicidal combinations prepared using embodiment 1~6, were entered in 2016 in Jiangsu Province Xiangshui County Chen Jiagang towns rice terrace
The management of weeds that gone is tested and observes the degree of impairment of rice seedling, and with not plus herbicide-safener fenchlorazole or mefenpyrdiethyl
3% chlorine fluorine pyridine emulsifiable concentrate carries out contrast test, and investigation result see the table below 3：
Note：Using spray-on process dispenser, herbicidal effect is investigated within 15 days and 30 days after medicine respectively, calculates weeds fresh weight preventive effect.Adjust
While looking into herbicidal effect, the Herbicidal combinations and comparison medicament (not adding herbicide-safener) chlorine fluorine pyridine of the present invention are investigated
Ester is classified to the degree of impairment of rice shoot with 0-9, and 9 represent growth complete inhibition, and 0 represents that growth is not affected.
The embodiment 1~6 of table 3 is determined applied to rice terrace field efficacy
Upper table as shown by data, contains chlorine fluorine pyridine ester and herbicide-safener fenchlorazole or pyrazoles solution with of the present invention
Several Herbicidal combinations prepared by careless ester, for paddy field weeding, are not injured to rice shoot.And comparison medicament (does not add herbicide
Safener) 3% chlorine fluorine pyridine emulsifiable concentrate, the damage to rice shoot is quite serious, is mainly shown as rotten, rice shoot is withered and yellow, part is dead
Seedling, injury tolerance reaches 20% or so, can bring the psychology of great economic loss and extreme frightened to peasant, and influence society is steady
It is fixed.
Meanwhile, upper table as shown by data, with it is of the present invention containing chlorine fluorine pyridine ester and herbicide-safener fenchlorazole or
Several Herbicidal combinations prepared by mefenpyrdiethyl, for paddy field weeding, the herbicidal effect of 15 days and comparison medicament after medicine (not plus
Enter herbicide-safener) chlorine fluorine pyridine ester herbicidal effect quite, without notable difference；And after medicine the herbicidal effect of 30 days with
The herbicidal effect of comparison medicament (the chlorine fluorine pyridine ester for not adding herbicide-safener) is compared, and to improve more than 6%, therefore show
The Herbicidal combinations of this several chlorine fluorine pyridine ester for adding herbicide-safener, not only quick-acting is good, and has longer holding effect
Property, compared with comparison medicament, with clear advantage.
In summary, the Herbicidal combinations of this several chlorine fluorine pyridine ester for adding herbicide-safener, not only quick-acting is good,
And have longer lasting effect, compared with comparison medicament, with clear advantage.Particularly add safener after, to crop without
Injury, protects the interests of peasant and the reputation of producer.
Claims (10)
1. a kind of Herbicidal combinations containing chlorine fluorine pyridine ester and herbicide-safener, it is characterised in that said composition contains effectively
Composition chlorine fluorine pyridine ester and herbicide-safener, the wherein part by weight of chlorine fluorine pyridine ester and herbicide-safener are 20:1~1:
10。
2. Herbicidal combinations according to claim 1, it is characterised in that the herbicide-safener is selected from fenchlorazole or pyrrole
Azoles cloquitocet_mexyl.
3. Herbicidal combinations according to claim 1, it is characterised in that the weight of chlorine fluorine pyridine ester and herbicide-safener
Ratio is 17:1~1:7.
4. Herbicidal combinations according to claim 3, it is characterised in that the weight of chlorine fluorine pyridine ester and herbicide-safener
Ratio is 15:1~1:5.
5. Herbicidal combinations according to claim 1, it is characterised in that chlorine fluorine pyridine ester exists with both herbicide-safeners
Weight/mass percentage composition in Herbicidal combinations is 1%~99%.
6. Herbicidal combinations according to claim 1, it is characterised in that said composition by active ingredient chlorine fluorine pyridine ester and
Herbicide-safener, and insecticides adjuvant, are made various formulations.
7. Herbicidal combinations according to claim 6, it is characterised in that the formulation is wettable powder, water-dispersible grain
Agent, aqueous emulsion, suspension emulsion, oil-suspending agent or missible oil.
8. Herbicidal combinations according to claim 6, it is characterised in that the insecticides adjuvant be selected from dispersant, stabilizer,
Spreader-sticker, disintegrant, wetting agent, solvent, safener, binding agent, adhesive, antifreeze, emulsifying agent, defoamer, thickener or
One or more in filler.
9. application of the Herbicidal combinations in rice field weeding described in claim 1.
10. application according to claim 9, it is characterised in that the application is Herbicidal combinations standing grain in rice terrace is prevented and kill off
Application in undergraduate course, Cyperaceae and broad leaved weed.
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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 |
| CN104869827A (en) * | 2012-07-24 | 2015-08-26 | 美国陶氏益农公司 | Safened herbicidal compositions for use in rice |
-
2017
- 2017-08-01 CN CN201710648487.8A patent/CN107242237A/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 |
| CN104869827A (en) * | 2012-07-24 | 2015-08-26 | 美国陶氏益农公司 | Safened herbicidal compositions for use in rice |
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Application publication date: 20171013 |