CN105981731B - Herbicidal combinations and its application - Google Patents
Herbicidal combinations and its application Download PDFInfo
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- CN105981731B CN105981731B CN201610111223.4A CN201610111223A CN105981731B CN 105981731 B CN105981731 B CN 105981731B CN 201610111223 A CN201610111223 A CN 201610111223A CN 105981731 B CN105981731 B CN 105981731B
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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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- 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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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- Pest Control & Pesticides (AREA)
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Abstract
The invention discloses a kind of Herbicidal combinations and its application, it is related to technical field of pesticide combination.The active ingredient of the Herbicidal combinations includes component A, component B；Wherein, A is pyribenzoxim, and B is flazasulfuron or its salt, and the component A and component B weight ratio is 20:1~1:20.The Herbicidal combinations of the present invention have the characteristics of four aspects：1. said composition can effectively reduce the amount of application of each single dose, quick-acting is fast, lasting period length, delays the resistance to the action of a drug of plant；2. said composition can efficiently prevent and kill off above the average age for marriage broad leaved weed, nutgrass flatsedge and the grassy weed below 7 leaves, there is synergistic function；3. said composition can expand herbicide controlling spectrum；4. said composition is highly safe to lawn.
Description
Technical field
The invention belongs to technical field of pesticide combination, is related to Herbicidal combinations and its application.
Background technology
With rapid development of economy, requirement more and more higher of the people to urban afforestation, domestic lawn area is also continuous
Increase, weeds prevents and kill off as the maximum problem of turf management personnel in lawn.The weeds in lawn are mostly manually pulled out now
Remove, input is big, and efficiency is low, and effect is poor.It is the effective measures for controlling turf weed to spray safely and effectively herbicide.
Flazasulfuron, English name flazasulfuron, chemical name be 1- (4,6- dimethoxypyridin -2- bases) -
3- (3- trifluoromethyl -2- pyridine sulfonyl sulfonyls) urea, molecular weight 407.32, chemical formula C13H12F3N5O5S, its structure such as formula (I)
It is shown.Medicament can be rapidly by the cauline leaf and Root Absorption of weeds, and conducts to whole strain weeds, mainly suppresses acetolactate synthestase
(ALS) activity, and then suppress the synthesis of the branched-chain amino acid (leucine, isoleucine) in weeds body, hinder protein
Synthesis and other metabolic processes, cause weeds dead.To broadleaved herb, nutgrass flatsedge and the barnyard grass of grassy weed, green bristlegrass effect compared with
It is good but poor to eleusine indica, lady's-grass, moleplant seed and other effects.
Pyribenzoxim chemical name is O- (double (4,6- dimethoxypyridin -2- bases epoxide) benzoyls of 2,6-) oxime hexichol
Ketone is O- [2,6- double (4,6- dimethoxy -2- pyrimidine radicals) epoxides] benzoylbenzophenone oxime, its structure such as formula
(II) shown in.Pyribenzoxim belongs to novel oxime ester compound, is wide spectrum selective post-emergence herbicide, belongs to acetolactic acid
Synzyme (ALS) inhibitor.Barnyard grass, lady's-grass, big fringe amur foxtail, sweet wine intestines and dayflower, false loosestrife, sesbania, bamboo are picked up food with chopsticks etc. miscellaneous
Careless preventive effect is preferable, poor to the weeds effect such as the rhizome of nutgrass flatsedge, kyllinga brevifolia.And pyribenzoxim is without activity of weeding before bud.For preventing and kill off
The various grassy weeds such as barnyard grass, big fringe amur foxtail, polygonum flaccidum and miscellaneous stroke of effect of broad-leaved are distinguished.Pyribenzoxim is available for transplanting
Rice, direct seading rice, the broad-spectrum herbicide of rice transplanting rice, to rice safety.Barnyard grass can effectively be prevented and kill off (including to propanil, dichloro
The barnyard grass of quinolinic acid and anti-acetyl-CoA carboxylase tool resistance), agrostis stolonifera, rice Leersia Sw, lady's-grass, the grass such as moleplant seed
Section weeds, and annual sedge weed and part broad leaved weed.
The defects of different degrees of, such as continuous administration on control of weeds be present in the herbicide kind containing single-activity component
Weeds easily develop immunity to drugs afterwards, and herbicide controlling spectrum narrows, the problems such as causing environmental pollution.
Rationally compounding is to improve preventive effect to herbicide, expands herbicide controlling spectrum or widens usage time, delays weed community to drill
The speed replaced, the resistance risk that agricultural chemicals single use is brought is reduced, mitigates the pollution to environment, reduced use cost and reduce and remove
A kind of effective ways of careless agent residual.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of herbicidal effect is good, drug cost is low, broad weed-killing spectrum, to lawn
The significant Herbicidal combinations of prevention effect of weeds.
In order to solve the above technical problems, present invention offer technical scheme is as follows：
Herbicidal combinations of the present invention, active ingredient include component A and component B, wherein, component A is pyrimidine oxime grass
Ether, B are flazasulfuron or its salt, and component A and component B weight ratio are 20:1-1:20；Further weight ratio is 12:1-1:12.
Group of effective components is removed in Herbicidal combinations of the present invention exceptionally, in addition to receptible auxiliary element in agricultural chemicals.
Receptible auxiliary element in agricultural chemicals, including do not produced with any one in active ingredient pyribenzoxim, flazasulfuron or its salt
Biochemical effect plays the component adversely affected to drug effect of the invention, such as conventional use of dispersant, diffusion in agricultural chemicals
The auxiliary agents such as agent, defoamer, wetting agent, disintegrant, excipient.
According to different use needs or applying environment condition, Herbicidal combinations of the present invention are any dose in agricultural chemicals
Type, corresponding wettable powder, suspending agent, suspended emulsion, microemulsion, water dispersible granules, oil-suspending agent can such as be made.
Herbicidal combinations of the present invention can be provided in the form of finished product preparation, i.e., each material has been in Herbicidal combinations
Mixing, or the composition of Herbicidal combinations can also be provided with unit dose form, directly directly be mixed in bucket or tank using preceding,
It is then diluted to required concentration.
Herbicidal combinations of the present invention are applied to the method for controlling weeds, and its weight ratio described above scope, which is applied, respectively to be had
Component is imitated, it is applied after mixing according to the above ratio, is administered simultaneously in proportion or applied successively in proportion.Weeding group of the present invention
Compound, cauline leaf process is carried out after soil treatment, or weeds emergence being carried out before weeds emerge.
Herbicidal combinations of the present invention, available for the pesticidal preparations for preparing controlling weeds.Particularly useful for making preventing and treating
The pesticidal preparations of turf weed, especially prevent and treat above the average age for marriage broad leaved weed, nutgrass flatsedge and/or the agricultural chemicals system of grass tree weeds below 7 leaves
Agent.
Lawn of the present invention is preferably warm-season turf.The warm-season turf can be Korea lawn grass, Bermuda grass, day
Hall grass, Manila, eremochloa ophiuroides, Dichondra Repens Turf etc..
Herbicidal combinations of the present invention can be used in lawn preventing and kill off broad leaved weed, nutgrass flatsedge, grass tree weeds, its positive effect
Better than each active ingredient flazasulfuron or its salt, the single dose of pyribenzoxim, there is preferable application prospect and promotional value.
The present invention has Synergistic by the compounding of different mechanism of action, two kinds of active principles of the different modes of action
Effect, pesticide dosage can be reduced, reduce use cost.
It is an advantage of the invention that it will be evident that it is mainly manifested in：
It is notable without any antagonism, synergistic effect between each composition 1. Herbicidal combinations of the present invention.
2. Herbicidal combinations expand herbicide controlling spectrum compared with single active ingredient is used alone, herbicidal effect is more preferable.
3. Herbicidal combinations can prevent and kill off above the average age for marriage broad leaved weed, nutgrass flatsedge or the grass tree weeds below 7 leaves, weeding can be shortened
The quick-acting phases, extend the lasting period, a dispenser, Ji Wucao can be saved from damage.
4. low toxicity, to people, bird, poultry and beneficial organism safety, be advantageous to environmental protection and keep ecological balance.
5. easy to operate, compound synergic can reduce the usage amount of each single dose, and cost is low, easily promote.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, specific embodiment will be used below
It is described in detail, but the present invention is limited to absolutely not these examples.As described below is only the preferable embodiment of the present invention, only to
The present invention is explained, therefore can not be interpreted as the limitation to the scope of the claims of the present invention.It is it should be pointed out that all the present invention's
All any modification, equivalent and improvement done within spirit and principle etc., should be included in the scope of the protection.
Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Agricultural chemicals is made in different agriculture the effective elements of the medicines compounding, is current exploitation and develops novel pesticide and preventing and treating agriculturally
A kind of effective and quick way of resistance.After the pestsides synthesis of different cultivars, a large amount of three kinds of type of action are typically exhibited：Phase
Add effect, synergistic effect and antagonism.Compound synergic is formulated well, can significantly improve actual prevention effect, and expansion is killed
Grass spectrum, reduces the usage amount of agricultural chemicals, is the important means of integrated control so as to help to delay drug-fast generation speed.
The present composition using pyribenzoxim as a kind of active ingredient (A), flazasulfuron or its salt for it is another effectively into
Point (B) composition binary built, between them combination there is obvious synergistic function to control of weeds, rather than just two
The simple superposition of kind pharmacy effect, this can be clearly understood that from following test result.
(1) Toxicity Determination is tested
Assay method：Indoor pot method, eleusine indica, light squama kyllinga brevifolia, sweet wine intestines, three leaves wholeheartedly when with spray tower carry out cauline leaf
Processing.15d determines fresh weight inhibition, calculates ED after medicine50Value, co-toxicity coefficient.Compare pyribenzoxim, flazasulfuron single dose and
Activity of weeding after their compoundings, determines optimum proportioning scope.
Two-spot herbicide mode of application is evaluated with Sun Pei clouds co-toxicity coefficient method, formula is as follows：
In formula：
ATI-mixture actual measurement toxicity index；
The ED50/90 of S-standard agent；
The ED50/90 of M-mixture；
TTI=A × PA+B×PB
In formula：
TTI-mixture theoretical toxicity index；
A-A medicament toxicity index；
B-B medicament toxicity index；
Percentage composition of PA-A medicaments in mixture；
Percentage composition of PB-B medicaments in mixture；
In formula：
CTC-co-toxicity coefficient；
ATI-mixture actual measurement toxicity index；
TTI-mixture theoretical toxicity index.
Criterion：CTC ＞ 120 are synergistic effect；CTC ＜ 80 are antagonism；80 ＜ CTC ＜ 120 are summation action.
The Toxicity Determination of table 1 tests (one)
Toxicity Determination result table 1 is shown, in A:B weight is than 20:1-1:In the range of 20, pyribenzoxim is phonetic with pyridine
Sulphur is grand or its salt compounding after, there is obvious synergistic function；A:B weight ratio is 20:1-1:In the range of 20, co-toxicity coefficient
More than 120, particularly A:B weight ratio is 12:1-1:In the range of 12, co-toxicity coefficient is more than 176.7, and synergistic effect is more notable.
The drug effect of the present invention is significantly better than respective single dose routine tests effect, and can expand herbicide controlling spectrum.
The Toxicity Determination of table 2 tests (two)
Toxicity Determination result table 2 is shown, in A:B weight is than 20:1-1:In the range of 20, pyribenzoxim is phonetic with pyridine
Sulphur is grand or its salt compounding after, there is obvious synergistic function；A:B weight ratio is 20:1-1:In the range of 20, co-toxicity coefficient
More than 120, particularly A:B weight ratio is 12:1-1:In the range of 12, co-toxicity coefficient is more than 181.3, and synergistic effect is more notable.
The drug effect of the present invention is significantly better than respective single dose routine tests effect, and can expand herbicide controlling spectrum.
The Toxicity Determination of table 3 tests (three)
Toxicity Determination result table 3 is shown, in A:B weight is than 20:1-1:In the range of 20, pyribenzoxim is phonetic with pyridine
Sulphur is grand or its salt compounding after, there is obvious synergistic function；A:B weight ratio is 20:1-1:In the range of 20, co-toxicity coefficient
More than 120, particularly A:B weight ratio is 12:1-1:In the range of 12, co-toxicity coefficient is more than 182.0, and synergistic effect is more notable.
The drug effect of the present invention is significantly better than respective single dose routine tests effect, and can expand herbicide controlling spectrum.
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, specific embodiment will be used below
It is described in detail, but the present invention is limited to absolutely not these examples.As described below is only the preferable embodiment of the present invention, only to
The present invention is explained, therefore can not be interpreted as the limitation to the scope of the claims of the present invention.It is it should be pointed out that all the present invention's
All any modification, equivalent and improvement done within spirit and principle etc., should be included in the scope of the protection.
Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.Any feature disclosed in this specification, except non-specifically chatting
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
The Herbicidal combinations of the present invention can be prepared into any one formulation of suitable agricultural use with known method, than
Preferable formulation is wettable powder, aqueous emulsion, microemulsion, suspending agent, water dispersible granules.Percentage is attached most importance in all formulas
Measure percentage.The processing technology of the various formulations of the present composition is prior art, can be varied from according to different situations.
Embodiment and comparative example
First, pyribenzoxim flazasulfuron
Embodiment 1：21% pyribenzoxim flazasulfuron wettable powder (20:1)
Preparation method：Active ingredient pyribenzoxim, flazasulfuron and auxiliary agent, filler are mixed by above-mentioned formula, machine
It is well mixed, you can corresponding Wettable pesticide powder is made through air-flow crushing again after tool crushing.
Comparative example 1：21% pyribenzoxim pyrazosulfuron wettable powder (20:1)
Preparation method：Active ingredient pyribenzoxim, pyrazosulfuron and auxiliary agent, filler are mixed by above-mentioned formula, machine
It is well mixed, you can corresponding Wettable pesticide powder is made through air-flow crushing again after tool crushing.
Comparative example 2：21% pyribenzoxim halosulfuronmethyl wettable powder (20:1)
Preparation method：Active ingredient pyribenzoxim, halosulfuronmethyl and auxiliary agent, filler are mixed by above-mentioned formula,
It is well mixed, you can corresponding Wettable pesticide powder is made through air-flow crushing again after mechanical crushing.
Comparative example 3：21% bispyribac-sodium flazasulfuron wettable powder (20:1)
Preparation method：Active ingredient bispyribac-sodium, flazasulfuron and auxiliary agent, filler are mixed by above-mentioned formula, mechanical powder
It is well mixed, you can corresponding Wettable pesticide powder is made through air-flow crushing again after broken.
Embodiment 2：13% pyribenzoxim flazasulfuron microemulsion (12:1)
Prepare：Active compound, auxiliary agent, water are mixed and are made into homogeneous phase.
Comparative example 4：13% pyribenzoxim bensulfuron-methyl microemulsion (12:1)
Prepare：Active compound, auxiliary agent, water are mixed and are made into homogeneous phase.
Comparative example 5：13% pyribenzoxim nicosulfuron microemulsion (12:1)
Prepare：Active compound, auxiliary agent, water are mixed and are made into homogeneous phase.
Embodiment 3：20% pyribenzoxim flazasulfuron aqueous emulsion (1:1)
Preparation method：By pyribenzoxim, flazasulfuron, C9, AEO, dodecyl sodium sulfonate ammonium in
Stirred evenly in kettle processed, then put into unclassified stores in proportion, after stirring 1 hour, 30min is sheared using high-speed shearing machine 6000r/min
.
Comparative example 6：20% pyribenzoxim promazine Sulfometuron Methyl aqueous emulsion (1:1)
Preparation method：By pyribenzoxim, promazine Sulfometuron Methyl, C9, AEO, dodecyl sodium sulfonate ammonium in
Prepare and stirred evenly in kettle, then put into unclassified stores in proportion, after stirring 1 hour, sheared using high-speed shearing machine 6000r/min
30min.
Comparative example 7：20% pyribenzoxim amidosulfuron aqueous emulsion (1:1)
Preparation method：By pyribenzoxim, amidosulfuron, C9, AEO, dodecyl sodium sulfonate ammonium in
Stirred evenly in kettle processed, then put into unclassified stores in proportion, after stirring 1 hour, 30min is sheared using high-speed shearing machine 6000r/min
.
Comparative example 8：20% pyribenzoxim nicosulfuron aqueous emulsion (1:1)
Preparation method：By pyribenzoxim, nicosulfuron, C9, AEO, dodecyl sodium sulfonate ammonium in
Stirred evenly in kettle processed, then put into unclassified stores in proportion, after stirring 1 hour, 30min is sheared using high-speed shearing machine 6000r/min
.
Comparative example 9：20% pyribenzoxim bensulfuron-methyl aqueous emulsion (1:1)
Preparation method：By pyribenzoxim, bensulfuron-methyl, C9, AEO, dodecyl sodium sulfonate ammonium in
Stirred evenly in kettle processed, then put into unclassified stores in proportion, after stirring 1 hour, 30min is sheared using high-speed shearing machine 6000r/min
.
Comparative example 10：20% bispyribac-sodium flazasulfuron aqueous emulsion (1:1)
Preparation method：By bispyribac-sodium, flazasulfuron, C9, AEO, dodecyl sodium sulfonate ammonium in preparation kettle
In stir evenly, then put into unclassified stores in proportion, after stirring 1 hour, 30min sheared using high-speed shearing machine 6000r/min.
Embodiment 4：13% pyribenzoxim flazasulfuron suspending agent (1:12)
Preparation method：Active ingredient pyribenzoxim, flazasulfuron and auxiliary agent, water are mixed by above-mentioned formula, through height
Fast shear-mixed is uniform, and 2-3 hours are sanded by sand mill, make its average grain diameter below 5 microns, you can is made corresponding outstanding
Floating agent agricultural chemicals.
Comparative example 11：13% pyribenzoxim pyrazosulfuron suspending agent (1:12)
Preparation method：Active ingredient pyribenzoxim, pyrazosulfuron and auxiliary agent, water are mixed by above-mentioned formula, through height
Fast shear-mixed is uniform, and 2-3 hours are sanded by sand mill, make its average grain diameter below 5 microns, you can is made corresponding outstanding
Floating agent agricultural chemicals.
Comparative example 12：13% pyribenzoxim promazine Sulfometuron Methyl suspending agent (1:12)
Preparation method：Active ingredient pyribenzoxim, promazine Sulfometuron Methyl and auxiliary agent, water are mixed by above-mentioned formula, warp
High speed shear is well mixed, and 2-3 hours are sanded by sand mill, make its average grain diameter below 5 microns, you can is made corresponding
Suspension pesticide.
Embodiment 5：21% pyribenzoxim flazasulfuron water dispersible granules (1:20)
Preparation method：Active ingredient pyribenzoxim, flazasulfuron and auxiliary agent, filler are mixed by above-mentioned formula, machine
It is well mixed again through air-flow crushing after tool crushing, adds water through being granulated, and dry, you can corresponding water dispersible granules are made.
Comparative example 13：21% pyribenzoxim amidosulfuron water dispersible granules (1:20)
Preparation method：Active ingredient pyribenzoxim, amidosulfuron and auxiliary agent, filler are mixed by above-mentioned formula, machine
It is well mixed again through air-flow crushing after tool crushing, adds water through being granulated, and dry, you can corresponding water dispersible granules are made.
Comparative example 14：21% pyribenzoxim halosulfuronmethyl water dispersible granules (1:20)
Preparation method：Active ingredient pyribenzoxim, halosulfuronmethyl and auxiliary agent, filler are mixed by above-mentioned formula,
It is well mixed again through air-flow crushing after mechanical crushing, adds water through being granulated, and dry, you can corresponding water dispersible granules are made.
Comparative example 15：21% bispyribac-sodium flazasulfuron water dispersible granules (1:20)
Preparation method：Active ingredient bispyribac-sodium, flazasulfuron and auxiliary agent, filler are mixed by above-mentioned formula, mechanical powder
It is well mixed again through air-flow crushing after broken, adds water through being granulated, and dry, you can corresponding water dispersible granules are made.
(2) pesticidal preparations field control effectiveness test one prepared by previous embodiment
Reagent agent：Re-compounded binary herbicide in embodiment 1~5, in comparative example 1~15.
Comparison medicament：5% pyribenzoxim missible oil, 25% flazasulfuron water dispersible granules.
Control object：Lawn dominant weed, eleusine indica, amur foxtail, lady's-grass, light squama kyllinga brevifolia, the rhizome of nutgrass flatsedge, bamboo are picked up food with chopsticks, sweet wine
Intestines.
Test method：According to the area of experimental plot, the good each medicament of precise, after being watered dilution, sprayed using backpack
Day with fog, carry out even spraying.The special Fan spray head of sprinkler selection weeding, the afternoon for selecting fine day calm are sprayed.Spraying
When decoction is uniformly sprayed application in experimental plot, accomplish not respray, drain spray.
After off-test, 5d, 10d, 20d, 30d, 45d observe weeds death condition after medicine respectively, and from each cell
It is random to take 1 square meter to carry out weeds mortality survey, calculate preventive effect.
The field control effectiveness test of table 4
Result of the test as shown in table 4 shows, the present invention is by pyribenzoxim and flazasulfuron binary built, and 20d prevents after medicine
Effect expands preventing and treating grass spectrum, had substantially to the preventive effect of weeds particularly lady's-grass, rhizome of nutgrass flatsedge etc. compared with respective single dose
Raising, and the preventive effect of mixture preparation is better than each medicament in comparative example.
(3) pesticidal preparations field control effectiveness test two prepared by previous embodiment
Test condition is the same as field control effectiveness test one.
The embodiment of table 5 and comparative example field control effectiveness test
The present invention 10d, 20d after medicine, compares it to eleusine indica, light squama water by after pyribenzoxim and flazasulfuron compounding
The prevention effect of centipede.Result of the test as shown in table 5 shows, in weight than 20：1~1:In the range of 20, particularly in weight
Than 12:1-1:In the range of 12, after pyribenzoxim compounds with flazasulfuron, prevention effect is better than pyribenzoxim and others
Sulfonylurea herbicide (such as bensulfuron-methyl, nicosulfuron, pyrazosulfuron, halosulfuronmethyl, amidosulfuron, promazine Sulfometuron Methyl)
The prevention effect of compounding.Because length is limited, most representational sulfonylurea herbicide sulfonylurea herbicide is only listed
Agent bensulfuron-methyl, nicosulfuron, pyrazosulfuron, halosulfuronmethyl and pyribenzoxim compounding carry out preventive effect contrast (such as the institute of table 5
Show).Also, in identical weight than 20：1~1:In the range of 20, particularly in weight than 12:1-1:It is phonetic in the range of 12
Pyridine oxime grass ether is also better than the effect of bispyribac-sodium and flazasulfuron compounding with the effect after flazasulfuron compounding.
(4) pesticidal preparations field control effectiveness test three prepared by previous embodiment
Test condition is the same as field control effectiveness test one
The embodiment field control effectiveness test of table 6
The result of the test of table 6 shows that the present invention is compounded using pyribenzoxim and flazasulfuron, and the built agent is compared with single dose
It with obvious synergistic function, can not only strengthen the preventive effect to weeds, and the control careless time can be extended.
(5) pesticidal preparations field control effectiveness test four prepared by previous embodiment
Reagent agent：5 kinds of complex weedicides in embodiment 1-5.
For studying thing：Korea lawn grass, Bermuda grass, paradise grass, Manila, eremochloa ophiuroides or Dichondra Repens Turf.
Dispenser period：Into level ground phase (i.e. after seedling 50 days).
Test method：According to the area of experimental plot, the good each medicament of precise, after being watered dilution, sprayed using backpack
Day with fog, carry out even spraying.The special Fan spray head of sprinkler selection weeding, the afternoon for selecting fine day calm are sprayed.Spraying
When decoction is uniformly sprayed application in experimental plot, accomplish not respray, drain spray.In the growth feelings for observing lawn after medicine in 1~25d
Whether condition, observation lawn have poisoning.
The field control effectiveness test of table 7 (security)
The result of the test of table 7 shows, after the present invention is compounded using pyribenzoxim with flazasulfuron, to Korea lawn grass, dog tooth
The warm-season turfs such as root, paradise grass, Manila, eremochloa ophiuroides or dewdrop grass are all safe.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
- A kind of 1. Herbicidal combinations, it is characterised in that active ingredient includes component A and component B, wherein, component A is pyrimidine oxime grass Ether, B are flazasulfuron or its salt, and the weight ratio of the component A and component B are 20:1-1:20.
- 2. Herbicidal combinations according to claim 1, it is characterised in that the component A and component B weight ratio is 12: 1-1:12。
- 3. Herbicidal combinations according to claim 1 or 2, it is characterised in that also contain agricultural chemicals in the Herbicidal combinations Preparation auxiliary element, so that the formulation for being adapted to agriculturally use is made.
- 4. Herbicidal combinations according to claim 3, it is characterised in that the pesticidal preparations auxiliary element is solvent, breast One or more in agent, dispersant, stabilizer, antifreezing agent or wetting agent；The formulation of the Herbicidal combinations is wettable Pulvis, aqueous emulsion, microemulsion, suspending agent or water dispersion granule.
- 5. the application of any described Herbicidal combinations of Claims 1-4, it is characterised in that for preparing the agriculture of controlling weeds Medicine preparation.
- 6. the application of Herbicidal combinations according to claim 5, it is characterised in that for prepare prevent and treat lawn in 7 leaves with Under above the average age for marriage broad leaved weed, nutgrass flatsedge and the pesticidal preparations of grassy weed.
- 7. the application of Herbicidal combinations according to claim 6, it is characterised in that the lawn is warm-season turf.
- 8. the application of Herbicidal combinations according to claim 7, it is characterised in that the warm-season turf is to knot thread Grass, Bermuda grass, paradise grass, Manila, eremochloa ophiuroides or Dichondra Repens Turf.
- 9. the application process of any described Herbicidal combinations of Claims 1-4, it is characterised in that active principle is with above-mentioned Weight ratio is applied, and it is applied after mixing according to the above ratio, is administered simultaneously in proportion or applied successively in proportion.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058132A (en) * | 1990-06-20 | 1992-01-29 | 石原产业株式会社 | Herbicidal combinations |
| WO2005092101A2 (en) * | 2004-03-26 | 2005-10-06 | Syngenta Participations Ag | A herbicidal combination |
| WO2007105377A2 (en) * | 2006-03-02 | 2007-09-20 | Ishihara Sangyo Kaisha, Ltd. | Solid herbicidal composition |
| CN101102671A (en) * | 2004-12-17 | 2008-01-09 | 株式会社Lg生命科学 | Synergistic herbicidal compositions |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY145646A (en) * | 2002-11-21 | 2012-03-15 | Syngenta Participations Ag | Herbicidal composition |
| US9179679B2 (en) * | 2010-02-03 | 2015-11-10 | Dow Agrosciences Llc | Synergistic herbicidal composition containing penoxsulam and flazasulfuron |
| CN102027942A (en) * | 2010-12-30 | 2011-04-27 | 苏州富美实植物保护剂有限公司 | Compounded herbicide composition for rice field |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058132A (en) * | 1990-06-20 | 1992-01-29 | 石原产业株式会社 | Herbicidal combinations |
| WO2005092101A2 (en) * | 2004-03-26 | 2005-10-06 | Syngenta Participations Ag | A herbicidal combination |
| CN101102671A (en) * | 2004-12-17 | 2008-01-09 | 株式会社Lg生命科学 | Synergistic herbicidal compositions |
| WO2007105377A2 (en) * | 2006-03-02 | 2007-09-20 | Ishihara Sangyo Kaisha, Ltd. | Solid herbicidal composition |
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| CN104686556A (en) | 2015-06-10 |
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