CN108739831A - A kind of Herbicidal combinations and its application containing isoxaflutole and tritosulfuron - Google Patents
A kind of Herbicidal combinations and its application containing isoxaflutole and tritosulfuron Download PDFInfo
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- CN108739831A CN108739831A CN201810787101.6A CN201810787101A CN108739831A CN 108739831 A CN108739831 A CN 108739831A CN 201810787101 A CN201810787101 A CN 201810787101A CN 108739831 A CN108739831 A CN 108739831A
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- tritosulfuron
- isoxaflutole
- herbicidal combinations
- herbicidal
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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
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of Herbicidal combinations containing isoxaflutole and tritosulfuron and its application, for the Herbicidal combinations using isoxaflutole and tritosulfuron as principle active component, the mass ratio of tritosulfuron and isoxaflutole is 59:1~1:50.Herbicidal combinations of the present invention can be used for cornfield weeding, especially have remarkable result for preventing and kill off grass family and broad leaved weed in corn field.Herbicidal combinations of the present invention under the premise of improving drug effect, delay Weed Resistance compared to single agent, and herbicidal spectrum is wide, and the lasting period is long, and all have safety 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 containing isoxaflutole and three
The Herbicidal combinations of fluorine metsulfuron-methyl and its application.
Background technology
Isoxaflutole (isoxaflutole), p-hydroxybenzene pyruvic acid (HPP) ester dual oxide enzyme inhibitor, that is, HPPD inhibit
Agent, action character are the activity of weeding for having spectrum, be can be used after Miao Qianmiao, death after albefaction occur in weeds.Though its disease
Shape and the effect symptom of herxheimer-liked reaction inhibitor are extremely similar, but its chemical constitution feature such as polarity and degree of ionization
There is apparent difference with known herxheimer-liked reaction inhibitor etc..Isoxaflutole is mainly absorbed via weeds young root
It conducts and works, after susceptible weeds absorb this medicine, by inhibiting the synthesis of p-hydroxybenzene pyruvic acid (HPP) ester dual oxide enzyme, because
This HPPD inhibitor is similar to the effect symptom of herxheimer-liked reaction inhibitor.
Tritosulfuron (tritosulfuron), tritosulfuron are inhibitor of acetolactate synthetase, 1994 by bar
Si Fu has found.This is a new sulfonylurea herbicide, be can be used on winter, spring wheat and corn, has extensive weeds anti-
Spectrum is controlled, and there is certain preventive effect to clearvers.
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
Cannot completely effectively control the generation of corn field weed, furthermore some herbicides due to the water-soluble big or field lasting period too
It grows, dosage is excessive or the uneven residual hazard all be easy to causeing 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 the Herbicidal combinations of isoxaflutole and tritosulfuron compounding.
Invention content
The object of the present invention is to provide a kind of Herbicidal combinations containing isoxaflutole and tritosulfuron.
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 isoxaflutole and tritosulfuron, the Herbicidal combinations are with isoxaflutole and three
Fluorine metsulfuron-methyl is principle active component, wherein the mass ratio of tritosulfuron and isoxaflutole is 59:1~1:50.It is preferred that three
The mass ratio of fluorine metsulfuron-methyl and isoxaflutole is 59:1~40:1,29:1~12:1,5:1~1:20,1:50, further preferably
It is 40:1,20:1,1:5,1:20.In some preferred technical solutions：Tritosulfuron can be 34 with isoxaflutole：1,
29：1,59：1,12：1,50：1,40：1,20：1,10：1,5：1,1：1,1：5,1：10,1：20,1：30,1：In 50 these ratios
Selection.
This compound weeding composition can contain only active constituent isoxaflutole and tritosulfuron, can also use or match
Other components are added when processed into active constituent, the effective ingredient in the Pesticidal combination can be present in group with enhancing effective amount
It closes in object.
In Herbicidal combinations, the mass percentage of both tritosulfuron and isoxaflutole in Herbicidal combinations
It is 1%~80%, preferred mass percentage composition is 10%~65%.
In the isoxaflutole of the present invention and the binary built composition of tritosulfuron, in addition to isoxaflutole and trifluoro
Outside the active ingredients such as metsulfuron-methyl, the conventional surfactants allowed on pesticidal preparations, thickener, solvent or solid can also be added
The auxiliary agents such as filler are configured to any one dosage form allowed on pesticide.It is preferred that be processed into missible oil, suspending agent, aqueous emulsion, microemulsion,
Water dispersible granules, wettable powder etc..
Herbicidal combinations of the present invention can be applied in corn field postemergence weed control, the standing grain especially in preventing and kill off corn field
Using with remarkable result in undergraduate course and broad leaved weed.
The Herbicidal combinations of the present invention have the following advantages：
1, activity of weeding is high.The present invention selects herbicide controlling spectrum different, the isoxaflutole and tritosulfuron of advantage and disadvantage complementation
Two kinds of herbicides are made into the Herbicidal combinations of the present invention according to specific ratio range, can be killed by two kinds of different mechanism miscellaneous
Grass, and two kinds of herbicides generate synergistic effect in the ratio range, greatly improve the removing activity of herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.After the two mixing, weeds are killed by two kinds of different mechanism, expand herbicidal spectrum,
A variety of grassy weeds and broad leaved weed can be prevented.
3, delay Weed Resistance.Herbicidal combinations of the present invention are reduced weeds to the resistance of medicament, are also prolonged by binary built
Weed Resistance is delayed and has generated speed, and improved the preventive effect of antagonism weeds, to extend the service life of medicament.
4, safe.Since its dosage is under control, make medicament under the premise of improving drug effect, to jade
The safety of rice and succession crop is also improved.
Therefore, Herbicidal combinations of the present invention can be applied in preparing the herbicide for corn field postemergence weed control,
Especially applied in the herbicide of grass family and broad leaved weed in preparation for preventing and kill off in corn field.
Specific implementation mode
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 described herein, specific examples are only used to explain the present invention, is not used to limit
The fixed present invention, all protection models that under the concept thereof of the present invention simple modifications of preparation method of the present invention are belonged to the present invention
Within enclosing.
Percentage is mass percent in all formulas of following embodiment.The processing work of the various preparations of the present composition
Skill is the prior art, can be varied from according to different situations.
One, dosage form prepares embodiment
Embodiment 1：35% tritosulfuron isoxaflutole missible oil (34：1)
Tritosulfuron 34%, isoxaflutole 1%, alkyl phenol polyoxyethylene ether 4%, phenethyl phenol polyethenoxy ether
15%, dimethylbenzene complements to 100%, and the missible oil that mass percentage is 35% is configured to according to conventional formulation method.
Embodiment 2：30% tritosulfuron isoxaflutole suspending agent (29：1)
Tritosulfuron 29%, isoxaflutole 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, Nonyl pheno
Ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to conventional preparation
Method is configured to the suspending agent that mass percentage is 30%.
Embodiment 3：60% tritosulfuron isoxaflutole water dispersible granules (59：1)
Tritosulfuron 59%, isoxaflutole 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, poly- second
Enol 2%, kaolin complements to 100%, according to conventional formulation method be configured to mass percentage be 60% it is water-dispersed
Granula (WDG).
Embodiment 4：65% tritosulfuron isoxaflutole wettable powder (12：1)
Tritosulfuron 60%, isoxaflutole 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate
4%, kaolin complements to 100%, and the wettable powder that mass percentage is 65% is configured to according to conventional formulation method
(WP)。
Embodiment 5：51% tritosulfuron isoxaflutole suspending agent (50：1)
Tritosulfuron 50%, isoxaflutole 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, Nonyl pheno
Ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to conventional preparation
Method is configured to the suspending agent that mass percentage is 51%.
Embodiment 6：51% tritosulfuron isoxaflutole suspending agent (1：50)
Tritosulfuron 1%, isoxaflutole 50%, methyl naphthalene sulfonate formaldehyde condensate 6%, Nonyl pheno
Ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to conventional preparation
Method is configured to the suspending agent that mass percentage is 51%.
Embodiment 7：31% tritosulfuron isoxaflutole water dispersible granules (1：30)
Tritosulfuron 1%, isoxaflutole 30%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, poly- second
Enol 2%, kaolin complements to 100%, according to conventional formulation method be configured to mass percentage be 31% it is water-dispersed
Granula.
Embodiment 8：41% tritosulfuron isoxaflutole water dispersible granules (40：1)
Tritosulfuron 40%, isoxaflutole 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, poly- second
Enol 2%, kaolin complements to 100%, according to conventional formulation method be configured to mass percentage be 41% it is water-dispersed
Granula.
Embodiment 9：42% tritosulfuron isoxaflutole wettable powder (20：1)
Tritosulfuron 40%, isoxaflutole 2%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate
4%, kaolin complements to 100%, and the wettable powder that mass percentage is 42% is configured to according to conventional formulation method.
Embodiment 10：21% tritosulfuron isoxaflutole wettable powder (1：20)
Tritosulfuron 1%, isoxaflutole 20%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate
4%, kaolin complements to 100%, and the wettable powder that mass percentage is 21% is configured to according to conventional formulation method.
Embodiment 11：33% tritosulfuron isoxaflutole aqueous emulsion (1：10)
Tritosulfuron 3%, isoxaflutole 30%, methyl naphthalene sulfonate formaldehyde condensate 6%, Nonyl pheno
Ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, 150# solvent naphthas 20%, water complements to 100%, according to
Conventional formulation method is configured to the aqueous emulsion that mass percentage is 33%.
Embodiment 12：33% tritosulfuron isoxaflutole aqueous emulsion (10：1)
Tritosulfuron 30%, isoxaflutole 3%, methyl naphthalene sulfonate formaldehyde condensate 6%, Nonyl pheno
Ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, 150# solvent naphthas 20%, water complements to 100%, according to
Conventional formulation method is configured to the aqueous emulsion that mass percentage is 33%.
Embodiment 13：30% tritosulfuron isoxaflutole microemulsion (5：1)
Tritosulfuron 25%, isoxaflutole 5%, methyl naphthalene sulfonate formaldehyde condensate 6%, Nonyl pheno
Ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, water complements to 100%, according to conventional formulation method
It is configured to the microemulsion that mass percentage is 30%.
Embodiment 14：60% tritosulfuron isoxaflutole wettable powder (1：5)
Tritosulfuron 10%, isoxaflutole 50%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate
4%, kaolin complements to 100%, and the wettable powder that mass percentage is 60% is configured to according to conventional formulation method.
Embodiment 15：10% tritosulfuron isoxaflutole wettable powder (1：1)
Tritosulfuron 5%, isoxaflutole 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%,
Kaolin complements to 100%, and the wettable powder that mass percentage is 10% is configured to according to conventional formulation method.
Two, drug effect verification test
1), toxicity determination test
According to active ingredient tritosulfuron：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 measure it to corn
The co-toxicity coefficient of field common weed barnyard grass and clearvers.
Test method：Quantitative weed seed is seeded in the disposable paper cup of 9cm respectively, 10~15 are sowed in every glass
Grain seed, cultivates in illumination box, when the weeds 1-4 leaf phases, spraying treatment is carried out on crawler type crops sprayer.Place
Continue to cultivate in greenhouse after reason, respectively processing weighs that each treated that weeds are fresh to the preventive effects of weeds to routine observation after 30d
Weight, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is more than 120, shows that two kinds of active principles have synergistic effect,
Co-toxicity coefficient shows that there is two kinds of active principles summation action, co-toxicity coefficient to be less than 80, shows two kinds effectively between 80-120
Substance has antagonism.Measurement result is as shown in table 1.
1 toxicity measurement result of table
As it can be seen from table 1 when the mass ratio of tritosulfuron and isoxaflutole is 59:1~1:When 50, isoxazole grass
Ketone significantly improves the herbicidal effect of barnyard grass with tritosulfuron compounding, illustrates that the two compounding has significant increase to preventing and kill off barnyard grass
Effect acts on.Especially the proportioning of tritosulfuron and isoxaflutole is 59:1~1:20,1:Between 50, co-toxicity coefficient is all higher than
150, the proportioning of tritosulfuron and isoxaflutole is 40:1,20:1,10:1~1:5,1：When 20, two kinds of active principle compoundings
Co-toxicity coefficient afterwards is optimal, is all higher than 170, illustrates that the present invention has apparent synergistic effect.
2 toxicity measurement result of table
From table 2 it can be seen that when the mass ratio of tritosulfuron and isoxaflutole is 59:1~1:When 50, isoxazole grass
Ketone significantly improves the herbicidal effect of clearvers with tritosulfuron compounding, illustrates that the two compounding has significantly to preventing and kill off clearvers
Synergistic effect.Especially the proportioning of tritosulfuron and isoxaflutole is 59:1~40:1,29:1~12:1,5:1~1:
Between 50, co-toxicity coefficient is all higher than 150, and the proportioning of tritosulfuron and isoxaflutole is 50:1,40:1,20:1,1:5~1:
When 30, the co-toxicity coefficient after two kinds of active principle compoundings is optimal, is all higher than 170, illustrates that the present invention has apparent synergistic effect.
The mass ratio of comprehensive Tables 1 and 2, tritosulfuron and isoxaflutole is 59:1~1:There is significant increasing when 50
Effect.The mass ratio of tritosulfuron and isoxaflutole is 59:1~40:1,29:1~12:1,5:1~1:20,1:When 50, no
It is all higher than 150 with controlling object co-toxicity coefficient, the mass ratio of tritosulfuron and isoxaflutole is 40:1,20:1,1:5,1:
When 20, different controlling object co-toxicity coefficients are all higher than 180.
2), field control effectiveness test.
Reagent agent：
The re-compounded binary herbicide of isoxaflutole and tritosulfuron different ratio prepared by embodiment 1~15.
Comparison medicament：
75% isoxaflutole WDG (commercially available), 2% tritosulfuron SC (commercially available).
For studying object：Corn
Maize seedling grows fine, robust plant, without other pest and disease damages.
Control object：
The weeds such as clearvers, Siberian cocklebur, barnyard grass, lady's-grass, purslane, moleplant seed, Veronica.
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 dedicated Fan spray head of sprinkler selection herbicide.When spraying, it should be noted that it is small that liquid is uniformly sprayed application to experiment
Qu Zhong accomplishes no drain spray, the phenomenon that 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 active ingredient per acre) that also observe crop in 1~15d after medicine, to investigate
Whether medicament has poisoning to crop.
The embodiment of the present invention preparation Herbicidal Testing Trials effect see the table below 3 (20d after medicine) and table 4 (40d after medicine)
3 field control effectiveness test result of table (20d after medicine)
4 field control effectiveness test result of table (40d after medicine)
From table 3 and table 4 as can be seen that isoxaflutole with expansion herbicidal spectrum and improves weeding with tritosulfuron compounding
Active effect, and extend the lasting period of medicament.Broad leaved weed and grassy weed can be effectively prevented and kill off, preventive effect is better than
The preventive effect of single dose illustrates that the two compounding has significant synergy to make the preventive effect of broad leaved weed in corn field and grassy weed
With.Simultaneously it can also be seen that not isoxaflutole can generate synergistic function with tritosulfuron with arbitrary proportion compounding.
Security survey result of 5 medicament of table to crop
Corn in each processing cell grows fine, and has no any medicine spot, illustrates that various medicaments are safe to corn.
Claims (9)
1. a kind of Herbicidal combinations containing isoxaflutole and tritosulfuron, which is characterized in that the Herbicidal combinations are with different evil
Azoles humulone is principle active component with tritosulfuron, wherein the mass ratio of tritosulfuron and isoxaflutole is 59:1~
1:50。
2. Herbicidal combinations according to claim 1, which is characterized in that tritosulfuron and different evil in the Herbicidal combinations
The mass ratio of azoles humulone is 59:1~40:1,29:1~12:1,5:1~1:20,1:50.
3. Herbicidal combinations according to claim 1, which is characterized in that tritosulfuron and different evil in the Herbicidal combinations
The mass ratio of azoles humulone is 40:1,20:1,1:5,1:20.
4. Herbicidal combinations according to claim 1,2 or 3, which is characterized in that tritosulfuron and isoxaflutole two
Mass percentage of the person in Herbicidal combinations is 1%~80%.
5. Herbicidal combinations according to claim 4, which is characterized in that both tritosulfuron and isoxaflutole except
Mass percentage in careless composition is 10%~65%.
6. Herbicidal combinations according to claim 1, which is characterized in that the Herbicidal combinations are with isoxaflutole and trifluoro
Metsulfuron-methyl is that the auxiliary agent allowed on principle active component and pesticide is configured to any one dosage form.
7. Herbicidal combinations according to claim 6, which is characterized in that the dosage form is missible oil, suspending agent, water and milk
Agent, microemulsion, water dispersible granules or wettable powder.
8. application of claim 1 to the 7 any one of them Herbicidal combinations in cornfield weeding.
9. application according to claim 8, which is characterized in that Herbicidal combinations grass family in preventing and kill off corn field
With the application in broad leaved weed.
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Application publication date: 20181106 |