CN109362760A - A kind of Herbicidal combinations and its application of pyrazosulfuron containing piperazine and isoproturon - Google Patents
A kind of Herbicidal combinations and its application of pyrazosulfuron containing piperazine and isoproturon Download PDFInfo
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- CN109362760A CN109362760A CN201811130268.1A CN201811130268A CN109362760A CN 109362760 A CN109362760 A CN 109362760A CN 201811130268 A CN201811130268 A CN 201811130268A CN 109362760 A CN109362760 A CN 109362760A
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- Prior art keywords
- isoproturon
- herbicidal combinations
- pyrazosulfuron
- piperazine
- piperazine pyrazosulfuron
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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<
- A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
-
- 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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- 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 the Herbicidal combinations of a kind of pyrazosulfuron containing piperazine and isoproturon, for the Herbicidal combinations using piperazine pyrazosulfuron and isoproturon as principle active component, the mass ratio of piperazine pyrazosulfuron and isoproturon is 1:50~59:1.The invention also discloses application of the Herbicidal combinations in wheat paddock weeding, are used for wheat paddock weeding, especially for preventing and kill off grass family in wheat paddock, broad-leaved section weeds, have remarkable result.Compared to single agent, Herbicidal combinations of the present invention delay Weed Resistance under the premise of improving drug effect, and herbicidal spectrum is wide, and the lasting period is long, and all has safety to wheat and succession crop.
Description
Technical field
The invention belongs to technical field of pesticide, especially herbicide field, and in particular to a kind of pyrazosulfuron containing piperazine with it is different
Third grand Herbicidal combinations and its application.
Background technique
Piperazine pyrazosulfuron (metazosulfuron) is that the sulfonylurea herbicide of Misao Kusano's exploitation is main
For preventing and kill off piemarker, Amaranthus retroflexus, herba digitariae and the barnyard grass of paddy field and wheat paddock.
Isoproturon (Isoproturon), chemical name: 3- (4- isopropyl phenyl) -1,1- dimethyl urea.Isoproturon is to take
For ureas selective herbicide, prevented and kill off for barley, wheat, cotton, peanut, corn, rice, legume crop Tanaka annual miscellaneous
Grass.
Wheat field herbicide is limited by crop safety at present, and degrass spectrum is also limited, and a kind of herbicide single dose is used alone
Cannot completely effectively control the generation of weeds of wheat, furthermore some herbicides due to the water-soluble big or field lasting period too
Length, dosage are excessive or application unevenly all be easy to cause the residual hazard to this season crop or succession crop.Inventor is through studying
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 that piperazine pyrazosulfuron is compounded with isoproturon.
Summary of the invention
The object of the present invention is to provide the Herbicidal combinations of a kind of pyrazosulfuron containing piperazine and isoproturon.
It is a further object of the present invention to provide application of the Herbicidal combinations in wheat paddock weeding.
The purpose of the present invention is achieved through the following technical solutions:
A kind of Herbicidal combinations of pyrazosulfuron containing piperazine and isoproturon, the Herbicidal combinations are with piperazine pyrazosulfuron and isoproturon
For principle active component, wherein the mass ratio of piperazine pyrazosulfuron and isoproturon is 1:50~59:1.
The mass ratio of the piperazine pyrazosulfuron and isoproturon is preferably 1:50~29:1,40:1~50:1, further excellent
It is selected as 1:20~20:1,40:1~45:1, most preferably 1:20~1:5,5:1~10:1,15:1~20:1.
In some preferred technical solutions: piperazine pyrazosulfuron and isoproturon can 34:1,29:1,59:1,12:1,
It is selected in these ratios of 50:1,40:1,20:1,10:1,5:1,1:1,1:5,1:10,1:20,1:30,1:50.
Herbicidal combinations of the present invention contain only active constituent piperazine pyrazosulfuron and isoproturon or can use or match
Other active components are added when processed into active constituent, the effective ingredient in the Pesticidal combination is present in group with enhancing effective amount
It closes in object.
The mass percentage of both described piperazine pyrazosulfuron and isoproturon in Herbicidal combinations is 1%~80%,
Preferably 10%~65%.
In the binary built composition of piperazine pyrazosulfuron and isoproturon of the present invention, in addition to piperazine pyrazosulfuron and isopropyl
Outside the effective components such as grand, the conventional surfactants allowed on pesticidal preparations, thickener, solvent or solid packing can also be added
Equal auxiliary agents are configured to any one dosage form allowed on pesticide.It is preferred that being processed into missible oil, suspending agent, aqueous emulsion, microemulsion, moisture
Shot agent, wettable powder etc..
Application of the Herbicidal combinations of the present invention in the herbicide that preparation is used for wheat paddock postemergence weed control, especially
It is applied in broadleaf weeds and the herbicide of gramineae weed in preparation for preventing and kill off in wheat paddock, there is remarkable result.
The invention has the following advantages that
1, activity of weeding is high.The present invention selects degrass spectrum different, the piperazine pyrazosulfuron of advantage and disadvantage complementation and two kinds of isoproturon
Herbicide is made into Herbicidal combinations of the invention according to specific ratio range, can kill weeds by two kinds of different mechanism, 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 broadleaf weeds and gramineae weed can be prevented and treated.
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, highly-safe.Since its dosage is under control, make medicament under the premise of improving drug effect, to small
The safety of wheat and succession crop is also improved.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention 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, it is all that under concept thereof of the invention the simple modifications of preparation method of the present invention are belonged to protection model of the invention
Within enclosing.
Percentage is mass percentage in all formulas of following embodiment.The processing of the various preparations of the present composition
Technique is the prior art, can be varied according to different situations.
One, dosage form prepares embodiment
Embodiment 1:35% piperazine pyrazosulfuron isoproturon missible oil (34:1)
Piperazine pyrazosulfuron 34%, isoproturon 1%, alkyl phenol polyoxyethylene ether 4%, phenethyl phenol polyethenoxy ether 15%,
Dimethylbenzene complements to 100%, is configured to the missible oil that mass percentage is 35% according to conventional formulation method.
Embodiment 2:30% piperazine pyrazosulfuron isoproturon suspending agent (29:1)
Piperazine pyrazosulfuron 29%, isoproturon 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to conventional preparation side
Method is configured to the suspending agent that mass percentage is 30%.
Embodiment 3:60% piperazine pyrazosulfuron isoproturon water dispersible granules (59:1)
Piperazine pyrazosulfuron 59%, isoproturon 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol
2%, kaolin complements to 100%, is configured to the water dispersible granules that mass percentage is 60% according to conventional formulation method
(WDG)。
Embodiment 4:65% piperazine pyrazosulfuron isoproturon wettable powder (12:1)
Piperazine pyrazosulfuron 60%, isoproturon 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% are high
Ridge soil complements to 100%, is configured to the wettable powder (WP) that mass percentage is 65% according to conventional formulation method.
Embodiment 5:51% piperazine pyrazosulfuron isoproturon suspending agent (50:1)
Piperazine pyrazosulfuron 50%, isoproturon 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to conventional preparation side
Method is configured to the suspending agent that mass percentage is 51%.
Embodiment 6:51% piperazine pyrazosulfuron isoproturon suspending agent (1:50)
Piperazine pyrazosulfuron 1%, isoproturon 50%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to conventional preparation side
Method is configured to the suspending agent that mass percentage is 51%.
Embodiment 7:31% piperazine pyrazosulfuron isoproturon water dispersible granules (1:30)
Piperazine pyrazosulfuron 1%, isoproturon 30%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol
2%, kaolin complements to 100%, is configured to the water dispersible granules that mass percentage is 31% according to conventional formulation method.
Embodiment 8:41% piperazine pyrazosulfuron isoproturon water dispersible granules (40:1)
Piperazine pyrazosulfuron 40%, isoproturon 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol
2%, kaolin complements to 100%, is configured to the water dispersible granules that mass percentage is 41% according to conventional formulation method.
Embodiment 9:42% piperazine pyrazosulfuron isoproturon wettable powder (20:1)
Piperazine pyrazosulfuron 40%, isoproturon 2%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% are high
Ridge soil complements to 100%, is configured to the wettable powder that mass percentage is 42% according to conventional formulation method.
Embodiment 10:21% piperazine pyrazosulfuron isoproturon wettable powder (1:20)
Piperazine pyrazosulfuron 1%, isoproturon 20%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% are high
Ridge soil complements to 100%, is configured to the wettable powder that mass percentage is 21% according to conventional formulation method.
Embodiment 11:33% piperazine pyrazosulfuron isoproturon aqueous emulsion (1:10)
Piperazine pyrazosulfuron 3%, isoproturon 30%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, 150# solvent naphtha 20%, water complements to 100%, according to normal
The formulation method of rule is configured to the aqueous emulsion that mass percentage is 33%.
Embodiment 12:33% piperazine pyrazosulfuron isoproturon aqueous emulsion (10:1)
Piperazine pyrazosulfuron 30%, isoproturon 3%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, 150# solvent naphtha 20%, water complements to 100%, according to normal
The formulation method of rule is configured to the aqueous emulsion that mass percentage is 33%.
Embodiment 13:30% piperazine pyrazosulfuron isoproturon microemulsion (5:1)
Piperazine pyrazosulfuron 25%, isoproturon 5%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, water complements to 100%, matches according to conventional formulation method
The microemulsion that mass percentage is 30% is made.
Embodiment 14:60% piperazine pyrazosulfuron isoproturon wettable powder (1:5)
Piperazine pyrazosulfuron 10%, isoproturon 50%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% are high
Ridge soil complements to 100%, is configured to the wettable powder that mass percentage is 60% according to conventional formulation method.
Embodiment 15:10% piperazine pyrazosulfuron isoproturon wettable powder (1:1)
Piperazine pyrazosulfuron 5%, isoproturon 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, kaolinite
Soil complements to 100%, is configured to the wettable powder that mass percentage is 10% according to conventional formulation method.
Two, drug effect verification test
1), toxicity determination test
Effective component piperazine pyrazosulfuron and isoproturon according to mass ratio be 60:1,34:1,29:1,59:1,12:1,50:1,
40:1,20:1,10:1,5:1,1:1,1:5,1:10,1:20,1:30,1:50,1:60 are tested, and it is normal to wheat paddock to measure it
See the co-toxicity coefficient of weeds amur foxtail and acalypha copperleaf.
Test method: quantitative weed seed being seeded in respectively in the disposable paper cup of 9cm, and 10~15 are sowed in every glass
Grain seed, cultivates in illumination box, when the weeds 1-4 leaf phase, spraying treatment is carried out on crawler type crops sprayer.Place
Continue to cultivate in greenhouse after reason, routine observation respectively handles the preventive effect to weeds, weighs that each treated that weeds are fresh after 30d
Weight, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is greater than 120, shows that two kinds of active principles have synergistic effect,
Co-toxicity coefficient between 80-120, show two kinds of active principles have summation action, co-toxicity coefficient less than 80, show two kinds effectively
Substance has antagonism.Measurement result is as shown in table 1, table 2.
The toxicity measurement result of 1 piperazine pyrazosulfuron of table and isoproturon binary built to amur foxtail
As it can be seen from table 1 when the mass ratio of piperazine pyrazosulfuron and isoproturon is 59:1~1:50, isoproturon and piperazine pyrrole
Sulfometuron Methyl compounding significantly improves the herbicidal effect of amur foxtail, both illustrates compounding to preventing and kill off amur foxtail with significant synergy work
With.
The toxicity measurement result of 2 piperazine pyrazosulfuron of table and isoproturon binary built to acalypha copperleaf
From table 2 it can be seen that when the mass ratio of piperazine pyrazosulfuron and isoproturon is 59:1~1:50, isoproturon and piperazine pyrrole
Sulfometuron Methyl compounding significantly improves the herbicidal effect of acalypha copperleaf, both illustrates compounding to preventing and kill off acalypha copperleaf with significant synergy work
With.
To different controlling objects when comprehensive Tables 1 and 2, piperazine pyrazosulfuron from the mass ratio of isoproturon are 1:50~59:1
There is significant synergy.When the mass ratio of piperazine pyrazosulfuron and isoproturon is 1:50~29:1,40:1~50:1, difference prevention and treatment pair
As co-toxicity coefficient is all larger than 140；It is different when the mass ratio of piperazine pyrazosulfuron and isoproturon is 1:20~20:1,40:1~45:1
Controlling object co-toxicity coefficient is all larger than 160；The mass ratio of piperazine pyrazosulfuron and isoproturon is 1:20~1:5,5:1~10:1,15:
When 1~20:1, different controlling object co-toxicity coefficients are all larger than 180.
2), field control effectiveness test.
Reagent agent:
The re-compounded binary herbicide of piperazine pyrazosulfuron and isoproturon different ratio prepared by embodiment 1~15.
Comparison medicament:
33% piperazine pyrazosulfuron WG (commercially available), 50% isoproturon WP (commercially available).
For studying object: wheat
Wheat seedling grows fine, robust plant, without other pest and disease damages.
Control object:
The weeds such as amur foxtail, herba digitariae, Amaranthus retroflexus, Siberian cocklebur, acalypha copperleaf.
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 medical fluid is uniformly sprayed application to test
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 test.This
Outside, the condition of production (dosage that dosage is effective component per acre) of crop is observed in 1~15d, after medicine also to investigate
Whether medicament has phytotoxicity 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)
As can be seen from tables 3 and 4 that piperazine pyrazosulfuron, which compounds to have with isoproturon, expands herbicidal spectrum and raising activity of weeding
Effect, can effectively prevent and kill off broadleaf weeds and gramineae weed, preventive effect is better than the preventive effect of single dose, both illustrates compounding pair
Broadleaf weeds and the preventive effect of gramineae weed have significant synergistic effect in wheat paddock, and extend the lasting period of medicament.
Simultaneously it can also be seen that not isoproturon is compounded with arbitrary proportion with piperazine pyrazosulfuron and can generate synergistic function.
Security survey result of 5 medicament of table to crop
Wheat in each processing cell grows fine, and has no any medicine spot, illustrates that various medicaments are safe to wheat.
Claims (10)
1. the Herbicidal combinations of a kind of pyrazosulfuron containing piperazine and isoproturon, it is characterised in that the Herbicidal combinations are with piperazine pyrazosulfuron
It is principle active component with isoproturon, wherein the mass ratio of piperazine pyrazosulfuron and isoproturon is 1:50~59:1.
2. Herbicidal combinations according to claim 1, it is characterised in that the quality of the piperazine pyrazosulfuron and isoproturon
Than for 1:50~29:1,40:1~50:1.
3. Herbicidal combinations according to claim 2, it is characterised in that the quality of the piperazine pyrazosulfuron and isoproturon
Than for 1:20~20:1,40:1~45:1.
4. Herbicidal combinations according to claim 3, it is characterised in that the quality of the piperazine pyrazosulfuron and isoproturon
Than for 1:20~1:5,5:1~10:1,15:1~20:1.
5. Herbicidal combinations according to claim 1-4, it is characterised in that both piperazine pyrazosulfuron and isoproturon
Mass percentage in Herbicidal combinations is 1%~80%.
6. Herbicidal combinations according to claim 5, it is characterised in that both piperazine pyrazosulfuron and isoproturon are in weeding group
Closing the mass percentage in object is 10%~65%.
7. Herbicidal combinations according to claim 1, it is characterised in that the Herbicidal combinations are with piperazine pyrazosulfuron and isopropyl
The grand auxiliary agent to allow on principle active component and pesticide is configured to any one dosage form.
8. Herbicidal combinations according to claim 7, it is characterised in that the dosage form be missible oil, suspending agent, aqueous emulsion,
Microemulsion, water dispersible granules or wettable powder.
9. application of the Herbicidal combinations described in claim 1 in wheat paddock weeding.
10. application according to claim 9, it is characterised in that the application is Herbicidal combinations in preventing and kill off wheat paddock
Application in grass family, broad-leaved section weeds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811130268.1A CN109362760A (en) | 2018-09-27 | 2018-09-27 | A kind of Herbicidal combinations and its application of pyrazosulfuron containing piperazine and isoproturon |
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| CN201811130268.1A CN109362760A (en) | 2018-09-27 | 2018-09-27 | A kind of Herbicidal combinations and its application of pyrazosulfuron containing piperazine and isoproturon |
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