CN107771824A - A kind of Herbicidal combinations and its application containing Mediben and isoxaflutole - Google Patents
A kind of Herbicidal combinations and its application containing Mediben and isoxaflutole Download PDFInfo
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- CN107771824A CN107771824A CN201610793686.3A CN201610793686A CN107771824A CN 107771824 A CN107771824 A CN 107771824A CN 201610793686 A CN201610793686 A CN 201610793686A CN 107771824 A CN107771824 A CN 107771824A
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- mediben
- herbicidal combinations
- isoxaflutole
- herbicidal
- mass percentage
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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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
- A01N37/38—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system
- A01N37/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system having at least one carboxylic group or a thio analogue, or a derivative thereof, and one oxygen or sulfur atom attached to the same aromatic ring system
Abstract
The invention discloses a kind of Herbicidal combinations containing Mediben and isoxaflutole and its application, for the Herbicidal combinations using Mediben and isoxaflutole as principle active component, the mass ratio of Mediben and isoxaflutole is 1：60~60：1.Herbicidal combinations of the present invention can be used for corn field postemergence weed control, particularly have remarkable result for preventing and kill off grass family and broad leaved weed in corn field.Herbicidal combinations of the present invention on the premise of drug effect is improved, delay Weed Resistance relative to single dose, and herbicidal spectrum is wide, lasting period length, and all have security to corn and succession crop.
Description
Technical field
The invention belongs to technical field of pesticide, especially herbicide field, and in particular to one kind contains Mediben and isoxazole
The binary built Herbicidal combinations of humulone, the Herbicidal combinations can be applied to corn field postemergence weed control.
Background technology
Mediben, also known as wheat straw prestige；Dicamba.Chemical name：3,6- bis- chloro- O-Anisic Acids, structural formula are：
Mediben category hormone herbicide.With uptake and translocation effect, have significantly to annual and perennial broadleaf weed
Preventive effect.Mediben is sprayed for after seedling, and medicament can be absorbed by the leaf, stem, root of weeds quickly, pass through bast and xylem
To upper and lower conduction, focus mostly at the vigorous position of separate living tissue and metabolic activity, hinder the normal activity of plant hormone, so that
It is dead.Deformity curling symptom, 15~20d death occurs in the 24h broad leaved weeds as latter.
Isoxaflutole, also known as agriculture hundred is thought, isoxazole humulone, different evil fluorine grass, chemical name：2- (2- chlorphenyls) methyl -4,
Different (mouth evil) azoles -3- ketone of 4- dimethyl, chemical name are 2- (2- chlorphenyls) methyl -4,4 dimethyl -3- isoxazolones, and category is different
Oxazole class herbicide, structural formula：
Isoxaflutole is p-hydroxybenzene pyruvic acid (HPP) ester dual oxide enzyme inhibitor i.e. HPPD inhibitor.Its action character is
Activity of weeding, before seedling and after seedling with wide spectrum can be used, death after albefaction occur in weeds.The medicine is mainly via weeds children
Root Assimilation and conductivity and work, after susceptible weeds absorb this medicine, by suppressing p-hydroxybenzene pyruvic acid (HPP) ester dual oxide enzyme
Synthesis, cause the accumulation of tyrosine, the biosynthesis of plastoquinone and tocopherol is obstructed, and then have influence on carotenoid
Biosynthesis, therefore HPPD inhibitor is similar to the effect symptom of herxheimer-liked reaction inhibitor.Clomazone is mainly prevented
Except broad leaved weed and grassy weed, in addition to Soybean Field, cotton, cassava, corn, rape, sugarcane and Tobacco Farm can be also used for
Deng weeding.
Corn field herbicide is limited by crop safety at present, and herbicide controlling spectrum is also limited, and a kind of herbicide single dose is used alone
Can not completely effectively control the generation of corn field weed, furthermore some herbicides due to the water-soluble big or field lasting period too
Grow, dosage is excessive or the uneven residual hazard all easily caused to this season crop or succession crop of dispenser.Inventor is through research
It was found that the synergistic complex of herbicide be expand weed control spectrum and improve preventive effect effective measures, so far it is not yet found that
Close Mediben and the Herbicidal combinations of isoxaflutole compounding.
The content of the invention
It is an object of the invention to provide a kind of Herbicidal combinations containing Mediben and isoxaflutole.
It is a further object of the present invention to provide application of the Herbicidal combinations in cornfield weeding.
The purpose of the present invention is achieved through the following technical solutions：
A kind of Herbicidal combinations containing Mediben and isoxaflutole, the Herbicidal combinations are with Mediben and isoxaflutole
For principle active component, the mass ratio of Mediben and isoxaflutole is 1：60~60：1.It is preferred that Mediben and isoxaflutole
Mass ratio be 1：60~5：1、12:1~25:1、34:1~50:1、59:1.
In Herbicidal combinations, weight/mass percentage composition of the Mediben with both isoxaflutoles in Herbicidal combinations is
1%~80%, preferred mass percentage composition is 10%~55%.
In the Mediben of the present invention and the binary built composition of isoxaflutole, except Mediben and isoxaflutole etc.
Outside active ingredient, the conventional surfactants allowed on pesticidal preparations, thickener, solvent or solid packing etc. can also be added and helped
Agent is configured to any one formulation allowed on agricultural chemicals.It is preferred that it is processed into missible oil, suspending agent, aqueous emulsion, microemulsion, water-dispersible grain
Agent, wettable powder etc..
Herbicidal combinations of the present invention can be applied in corn field postemergence weed control, the standing grain particularly in corn field is prevented and kill off
Being applied in undergraduate course and broad leaved weed has remarkable result.
Present invention selection can herbicide controlling spectrum it is different, the complementary two kinds of herbicides of Mediben and isoxaflutole of advantage and disadvantage suitably subtract
Mixture use is made into after amount, so both expands herbicide controlling spectrum, hence it is evident that improves herbicidal effect, it also avoid producing this season crop
Poisoning and the possibility that residual hazard is produced to succession crop.
The Herbicidal combinations of the present invention have advantages below：
1st, activity of weeding is high.The Herbicidal combinations of the present invention can kill weeds by two kinds of different mechanism so that weeds
Resistance produces speed and reduced, and is greatly enhanced the removing activity of herbicide.
2nd, herbicidal spectrum is wide, lasting period length.Isoxaflutole is broad spectrum weeding agent, and it is miscellaneous to prevent and kill off a variety of annual broad-leaveds
Grass, and there is good preventive effect to annual gramineous weed, Mediben is the herbicide for preventing and kill off broad leaved weed.Both mixing
Afterwards, it is possible to increase the preventing and treating to a variety of grassy weeds and broad leaved weed.
3rd, Weed Resistance is delayed.Herbicidal combinations of the present invention reduce resistance of the weeds to medicament, and carry by binary built
The preventive effect of high antagonism weeds, so as to extend the service life of medicament.
4th, it is safe.Because its dosage is under control, making medicament, it is to jade on the premise of drug effect is improved
The security of rice and succession crop is also improved.
The Herbicidal combinations of the present invention, applied to corn field postemergence weed control, it can prevent and kill off various grass family in corn field
And broad leaved weed, on the premise of drug effect is improved, all there is security to corn and succession crop.
Therefore, Herbicidal combinations of the present invention can be applied in the herbicide for corn field postemergence weed control is prepared,
Particularly it is used to prevent and kill off in corn field to apply in the herbicide of grass family and broad leaved weed in preparation.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein is not used to limit only to explain the present invention
The fixed present invention, it is all that the protection model of the present invention is belonged to the simple modifications of preparation method of the present invention under the concept thereof of the present invention
Within enclosing.
Percentage is mass percent in all formulas of following examples.The processing work of the various preparations of the present composition
Skill is prior art, can be varied from according to different situations.
First, formulation prepares embodiment
Embodiment 1：35% Mediben isoxaflutole missible oil (34：1)
Mediben 34%, isoxaflutole 1%, APES 4%, phenethyl phenol polyethenoxy ether 15%,
Dimethylbenzene complements to 100%, and the missible oil that weight/mass percentage composition is 35% is configured to according to the formulation method of routine.
Embodiment 2：30% Mediben isoxaflutole suspending agent (29：1)
Mediben 29%, isoxaflutole 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to the preparation side of routine
Method is configured to the suspending agent that weight/mass percentage composition is 30%.
Embodiment 3：60% Mediben isoxaflutole water dispersible granules (59：1)
Mediben 59%, isoxaflutole 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol
2%, kaolin complements to 100%, and the water dispersible granules that weight/mass percentage composition is 60% are configured to according to the formulation method of routine
(WP)。
Embodiment 4：65% Mediben isoxaflutole wettable powder (12：1)
Mediben 60%, isoxaflutole 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% are high
Ridge soil complements to 100%, and the wettable powder that weight/mass percentage composition is 65% is configured to according to the formulation method of routine.
Embodiment 5：61% Mediben isoxaflutole missible oil (60：1)
Mediben 60%, isoxaflutole 1%, APES 4%, phenethyl phenol polyethenoxy ether 15%,
Dimethylbenzene complements to 100%, and the missible oil that weight/mass percentage composition is 61% is configured to according to the formulation method of routine.
Embodiment 6：61% Mediben isoxaflutole missible oil (1：60)
Mediben 1%, isoxaflutole 60%, APES 4%, phenethyl phenol polyethenoxy ether 15%,
Dimethylbenzene complements to 100%, and the missible oil that weight/mass percentage composition is 61% is configured to according to the formulation method of routine.
Embodiment 7：51% Mediben isoxaflutole suspending agent (50：1)
Mediben 50%, isoxaflutole 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to the preparation side of routine
Method is configured to the suspending agent that weight/mass percentage composition is 51%.
Embodiment 8：51% Mediben isoxaflutole suspending agent (1：50)
Mediben 1%, isoxaflutole 50%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to the preparation side of routine
Method is configured to the suspending agent that weight/mass percentage composition is 51%.
Embodiment 9：31% Mediben isoxaflutole water dispersible granules (1：30)
Mediben 1%, isoxaflutole 30%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol
2%, kaolin complements to 100%, and the water dispersible granules that weight/mass percentage composition is 31% are configured to according to the formulation method of routine.
Embodiment 10：41% Mediben isoxaflutole water dispersible granules (40：1)
Mediben 40%, isoxaflutole 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol
2%, kaolin complements to 100%, and the water dispersible granules that weight/mass percentage composition is 41% are configured to according to the formulation method of routine.
Embodiment 11：42% Mediben isoxaflutole wettable powder (20：1)
Mediben 40%, isoxaflutole 2%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% are high
Ridge soil complements to 100%, and the wettable powder that weight/mass percentage composition is 42% is configured to according to the formulation method of routine.
Embodiment 12：21% Mediben isoxaflutole wettable powder (1：20)
Mediben 1%, isoxaflutole 20%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% are high
Ridge soil complements to 100%, and the wettable powder that weight/mass percentage composition is 21% is configured to according to the formulation method of routine.
Embodiment 13：33% Mediben isoxaflutole aqueous emulsion (1：10)
Mediben 3%, isoxaflutole 30%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, solvent naphtha 20%, water complements to 100%, according to routine
Formulation method is configured to the aqueous emulsion that weight/mass percentage composition is 33%.
Embodiment 14：33% Mediben isoxaflutole aqueous emulsion (10：1)
Mediben 30%, isoxaflutole 3%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, solvent naphtha 20%, water complements to 100%, according to routine
Formulation method is configured to the aqueous emulsion that weight/mass percentage composition is 33%.
Embodiment 15：30% Mediben isoxaflutole microemulsion (5：1)
Mediben 25%, isoxaflutole 5%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, water complements to 100%, matches somebody with somebody according to the formulation method of routine
The microemulsion that weight/mass percentage composition is 30% is made.
Embodiment 16：60% Mediben isoxaflutole wettable powder (1：5)
Mediben 10%, isoxaflutole 50%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% are high
Ridge soil complements to 100%, and the wettable powder that weight/mass percentage composition is 60% is configured to according to the formulation method of routine.
Embodiment 17：10% Mediben isoxaflutole wettable powder (1：1)
Mediben 5%, isoxaflutole 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, kaolinite
Soil complements to 100%, and the wettable powder that weight/mass percentage composition is 10% is configured to according to the formulation method of routine.
2nd, drug effect checking test
1), toxicity determination test
According to active ingredient Mediben：Isoxaflutole quality proportioning is：34：1、29：1、59：1、12：1、60：1、50：
1、40：1、20：1、10：1、5：1、1：1、1：5、1：10、1：20、1：30、1：50、1：60 are tested, and determine it to corn field
The co-toxicity coefficient of common weed dayflower.
Test method：The seed of quantitative dayflower is seeded in 9cm Disposable paper cup respectively, 10 are sowed in every glass
~15 seeds, are cultivated in illumination box, when 3~6 leaf phase of dayflower, are sprayed on crawler type crops sprayer
Processing.Continue to cultivate in greenhouse after processing, routine observation respectively handles the preventive effect to weeds, after weighing each processing after 30d
Weeds fresh weight, calculate its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is more than 100, shows that two kinds of active principles have and increases
Effect acts on, and co-toxicity coefficient is more than 120, shows that two kinds of active principles have notable synergistic effect, co-toxicity coefficient is less than 100, shown
Two kinds of active principles have antagonism.Measurement result is as shown in table 1.
The toxicity measurement result of table 1
The herbicidal effect of dayflower is significantly improved as it can be seen from table 1 Mediben compounds with isoxaflutole, illustrates two
Person's compounding has significant synergies to preventing and kill off dayflower.Especially the proportioning of Mediben and isoxaflutole is 1：30~
40：Between 1, the co-toxicity coefficient after two kinds of active principle compoundings is both greater than 120, and synergistic effect is notable.
2), field control effectiveness test.
Reagent agent：
The re-compounded binary herbicide of Mediben prepared by embodiment 1~17 and isoxaflutole different ratio.
Comparison medicament：
48% dicamba aqueous solution (commercially available), 75,%00 thinks agriculture water dispersible granules (commercially available).
For studying thing：Corn
Maize seedling grows fine, robust plant, without other pest and disease damages.
Control object：
The weeds such as barnyard grass, green bristlegrass, lady's-grass, lamb's-quarters, amaranth, smartweed.
Test method：
According to the area of experimental plot, good various medicaments of precise, and after being watered dilution, using knapsack sprayer,
Carry out even spraying, the special Fan spray head of sprinkler selection herbicide.During spraying, it should be noted that it is small that decoction is uniformly sprayed application to experiment
Qu Zhong, the phenomenon for accomplish no drain spray, spraying more.
20d, 40d observe weeds death condition, and the activity of weeding of more various medicaments after medicine respectively after experiment.This
Outside, the condition of production (dosage is the dosage of every mu of ground active ingredient) of crop is also observed in 1~15d after medicine, to investigate
Whether medicament has poisoning to crop.
Embodiments of the invention preparation Herbicidal Testing Trials effect see the table below 2 (20d after medicine) and table 3 (40d after medicine)
The field control effectiveness test result of table 2 (20d after medicine)
The field control effectiveness test result of table 3 (40d after medicine)
From table 2 and table 3 as can be seen that Mediben can effectively prevent and kill off grassy weed with isoxaflutole compounding and broad-leaved is miscellaneous
Grass, its preventive effect are better than the preventive effect of single dose, illustrate the two compounding to grass family in corn field and the preventive effect of broad leaved weed
There is significant synergistic effect.And Mediben has the function that to improve activity of weeding with isoxaflutole compounding, and extend medicament
Lasting period.
Security survey result of the medicament of table 4 to crop
Corn in each processing cell grows fine, and has no any medicine spot, illustrates that various medicaments are safe to corn.
Claims (8)
- A kind of 1. Herbicidal combinations containing Mediben and isoxaflutole, it is characterised in that the Herbicidal combinations with Mediben with it is different Oxazole humulone is principle active component, wherein, the mass ratio of Mediben and isoxaflutole is 1：60~60：1.
- 2. Herbicidal combinations according to claim 1, it is characterised in that Mediben and isoxazole grass in the Herbicidal combinations The mass ratio of ketone is 1：60~5：1、12:1~25:1、34:1~50:1、59:1.
- 3. Herbicidal combinations according to claim 1 or 2, it is characterised in that Mediben is with both isoxaflutoles in weeding Weight/mass percentage composition in composition is 1%~80%.
- 4. Herbicidal combinations according to claim 3, it is characterised in that Mediben is with both isoxaflutoles in weeding group Weight/mass percentage composition in compound is 10%~65%.
- 5. Herbicidal combinations according to claim 1, it is characterised in that the Herbicidal combinations are with Mediben and isoxazole grass Ketone is that the auxiliary agent allowed on principle active component and agricultural chemicals is configured to any one formulation.
- 6. Herbicidal combinations according to claim 5, it is characterised in that described formulation be missible oil, suspending agent, aqueous emulsion, Microemulsion, water dispersible granules or wettable powder.
- 7. application of the Herbicidal combinations in corn field postemergence weed control described in claim 1.
- 8. application according to claim 1, it is characterised in that described Herbicidal combinations grass family in corn field is prevented and kill off With the application in broad leaved weed.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102027910A (en) * | 2009-09-28 | 2011-04-27 | 南京华洲药业有限公司 | Herbicidal composition containing diflufenican and dicamba and application thereof |
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2016
- 2016-08-30 CN CN201610793686.3A patent/CN107771824A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102027910A (en) * | 2009-09-28 | 2011-04-27 | 南京华洲药业有限公司 | Herbicidal composition containing diflufenican and dicamba and application thereof |
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