CN105981731A - Weeding composition and application thereof - Google Patents
Weeding composition and application thereof Download PDFInfo
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- CN105981731A CN105981731A CN201610111223.4A CN201610111223A CN105981731A CN 105981731 A CN105981731 A CN 105981731A CN 201610111223 A CN201610111223 A CN 201610111223A CN 105981731 A CN105981731 A CN 105981731A
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- herbicidal combinations
- pyribenzoxim
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- flazasulfuron
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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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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a weeding composition and application thereof, and relates to the technical field of pesticide compounding. The weeding composition comprises a component A and a component B as effective components, wherein the component A is pyribenzoxim; the component B is flazasulfuron or salts of flazasulfuron; the weight ratio of the component A to the component B is (20:1)-(1:20). The weeding composition disclosed by the invention has the following four characteristics: 1, by adopting the weeding composition, application amounts of single agents can be effectively reduced, the fast-acting property can be brought into play rapidly, the acting time is long, and the drug resistance of plants can be retarded; 2, by adopting the weeding composition, older broad leaf weeds with less than 7 leaves, nut grass and grassy weeds can be effectively eliminated, and a synergistic interaction effect can be achieved; 3, by adopting the weeding composition, the herbicide controlling spectrum can be expanded; 4, the weeding composition is highly safe to lawns.
Description
Technical field
The invention belongs to technical field of pesticide combination, relate to Herbicidal combinations and application thereof.
Background technology
Along with rapid development of economy, people are more and more higher to the requirement of urban afforestation, domestic lawn surface
Amassing and the most constantly increase, in lawn, preventing and kill off of weeds becomes the difficult problem that turf management personnel are maximum.Now
Mostly being the weeds in lawn and manually pull out, put into big, efficiency is low, weak effect.Spray safely and effectively
Herbicide be control turf weed effective measures.
Flazasulfuron, English name is flazasulfuron, and chemical name is 1-(4,6-dimethoxys
Pyrimidine-2-base)-3-(3-trifluoromethyl-2-pyridine sulfonyl sulfonyl) urea, molecular weight is 407.32, chemical formula
For C13H12F3N5O5S, its structure is as shown in formula I.Medicament can rapidly by the stem and leaf of weeds and
Root Absorption, and conduct to whole strain weeds, mainly suppress the activity of acetolactate synthestase (ALS),
And then the synthesis of the branched-chain amino acid (leucine, isoleucine) in suppression weeds body, hinder albumen
The synthesis of matter and other metabolic process, cause weeds dead.To broadleaved herb, dried tuber and grassy weed
Barnyard grass, Herba Setariae Viridis effect preferable, but poor to effects such as Herba Eleusines Indicae, Herba Digitariae, Semen Euphorbiaes.
Pyribenzoxim chemical name is O-(double (4,6-dimethoxypyridin-2-base epoxide) benzene of 2,6-
Formyl) oxime benzophenone or be O-[2,6-double (4,6-dimethoxy-2-pyrimidine radicals) epoxide] benzene first
Acyl group diphenyl-ketoxime, its structure is as shown in formula II.Pyribenzoxim belongs to novel oxime esters
Compound, is wide spectrum selective post-emergence herbicide, all belongs to acetolactate synthestase (ALS) inhibitor.
Barnyard grass, Herba Digitariae, big fringe amur foxtail, sweet wine intestinal and Herba Commelinae, Herba Ludwigiae Prostratae, sesbania, bamboo are picked up food with chopsticks etc. miscellaneous
Grass preventive effect is preferable, to the weeds weak effect such as Rhizoma Cyperi, Herba Kyllingae.And pyribenzoxim is without removing before bud
Grass activity.For preventing and kill off various grassy weeds and miscellaneous stroke of the broad-leaveds such as barnyard grass, big fringe amur foxtail, Herba polygoni hydropiperis
Effect is distinguished.Pyribenzoxim be can be used for transplanting rice, direct seading rice, the wide spectrum of rice transplanting Oryza sativa L. remove
Grass agent, to rice safety.Can effectively prevent and kill off barnyard grass (to include Stam F-34, dichloro quinolinic acid and anti-acetyl
The barnyard grass of CoA carboxylase enzyme tool resistance), agrostis stolonifera, rice Leersia Sw, Herba Digitariae, Semen Euphorbiae etc.
Grassy weed, and annual sedge weed and part broad leaved weed.
Defect in various degree is there is in the herbicide kind containing single-activity component on control of weeds,
As after continuous administration, weeds easily develop immunity to drugs, weed control spectrum narrows, and causes the problems such as environmental pollution.
Herbicide is rationally compounding is to improve preventive effect, expands weed control spectrum or widens the use time, delaying
The speed of shift of weed community, reduces the resistance risk that the single use of pesticide brings, alleviates environment
Pollute, reduce use cost and reduce a kind of effective ways of herbicide residue.
Summary of the invention
The technical problem to be solved in the present invention is to provide one, and herbicidal effect is good, drug cost is low, herbicide
The spectrum significant Herbicidal combinations of prevention effect extensively, to turf weed.
For solving above-mentioned technical problem, the present invention provides technical scheme as follows:
Herbicidal combinations of the present invention, effective ingredient comprises component A and component B, wherein, group
Dividing A is pyribenzoxim, and B is that the weight ratio of flazasulfuron or its salt, component A and component B is
20:1-1:20；Weight ratio is 12:1-1:12 further.
In Herbicidal combinations of the present invention except group of effective components exceptionally, also include in pesticide receptible
Auxiliary element.Receptible auxiliary element in pesticide, including not with effective ingredient pyribenzoxim, pyridine
In Sulfometuron Methyl or its salt, any one produces chemical action or the drug effect to the present invention plays and has unfavorable shadow
The component rung, such as dispersant conventional use of in pesticide, diffusant, defoamer, wetting agent, disintegrate
The auxiliary agent such as agent, excipient.
According to different use needs or applying environment condition, Herbicidal combinations of the present invention is pesticide
In arbitrary dosage form, as can make corresponding wettable powder, suspending agent, suspended emulsion, microemulsion,
Water dispersible granules, oil-suspending agent etc..
Herbicidal combinations of the present invention can provide with finished product preparation form, i.e. in Herbicidal combinations
Each material is the most blended, or the composition of Herbicidal combinations can also provide with unit dose form, before using
Directly directly mix in bucket or tank, be then diluted to required concentration.
Herbicidal combinations of the present invention is applied to the method for controlling weeds, its weight ratio described above model
Enclosing and use each active component, it uses after mixing according to the above ratio, use or in proportion the most simultaneously
Use successively.Herbicidal combinations of the present invention, can carry out soil treatment before weeds emerge, or miscellaneous
Grass carries out stem and leaf process after emerging.
Herbicidal combinations of the present invention, can be used for preparing the pesticidal preparations of controlling weeds.Particularly suitable
In preparation preventing and treating turf weed pesticidal preparations, especially prevent and treat below 7 leaves above the average age for marriage broad leaved weed,
Dried tuber and/or the pesticidal preparations of grass tree weeds.
Lawn of the present invention is preferably warm-season turf.Described warm-season turf can be knot thread
Grass, Bermuda grass, paradise grass, Manila, eremochloa ophiuroides, Dichondra Repens Turf etc..
Herbicidal combinations of the present invention can be used for preventing and kill off broad leaved weed, dried tuber, grass tree weeds in lawn,
Its effect is substantially better than each effective ingredient flazasulfuron or its salt, the single dose of pyribenzoxim, has relatively
Good application prospect and promotional value.
The present invention passes through the compounding of two kinds of active components of different mechanism of action, different model of action, tool
There is synergistic function, it is possible to reduce pesticide dosage, reduce use cost.
It is an advantage of the invention that it will be evident that be mainly manifested in:
Herbicidal combinations the most of the present invention, without any antagonism, potentiation between each composition
Significantly.
2. Herbicidal combinations compares with being used alone single active ingredient, expands weed control spectrum, and weeding is imitated
Fruit is more preferably.
3. Herbicidal combinations can prevent and kill off the above the average age for marriage broad leaved weed of below 7 leaves, dried tuber or grass tree weeds,
The weeding quick-acting phase can be shortened, extend the lasting period, a dispenser, Ji Wucao can be saved from damage.
4. low toxicity, to people, bird, poultry and beneficial organism safety, beneficially environmental conservation and holding ecology
Balance.
The most easy and simple to handle, compound synergic can reduce the usage amount of each single dose, low cost, easily promotes.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, will use below
Specific embodiment is described in detail, but the present invention is limited to absolutely not these examples.The following stated is only this
Invent preferable embodiment, only in order to explain the present invention, can not therefore be interpreted as the present invention
The restriction of the scope of the claims.It should be pointed out that, all done within the spirit and principles in the present invention appoint
What amendment, equivalent and improvement etc., should be included within the scope of the present invention.Therefore,
The protection domain of patent of the present invention should be as the criterion with claims.
Make pesticide by compounding for difference agriculture the effective elements of the medicine, be exploitation at present and develop novel pesticide and
Prevent and treat a kind of effective and quick way of agriculturally resistance.After the pestsides synthesis of different cultivars, generally
Show a large amount of three kinds of type of action: summation action, potentiation and antagonism.Compound synergic is very
Good formula, it is possible to significantly improve actual prevention effect, expands weed control spectrum, reduces the usage amount of pesticide,
Thus contribute to delaying drug-fast generation speed, it is the important means of integrated control.
The present composition is with pyribenzoxim for a kind of effective ingredient (A), and flazasulfuron or its salt are
Another effective ingredient (B) composition binary built, combines between them and has control of weeds significantly
Synergistic function, and it is not only the simple superposition of two kinds of pharmacy effects, this can be from following test
Result is clearly understood that.
(1) Toxicity Determination test
Assay method: indoor pot method, Herba Eleusines Indicae, light squama Herba Kyllingae, sweet wine intestinal, SANYE wholeheartedly time use
Spray tower carries out stem and leaf process.After medicine, 15d measures fresh weight inhibition, calculates ED50Value, altogether poison system
Number.Relatively pyribenzoxim, flazasulfuron single dose and they compounding after activity of weeding, determine
Good ratio range.
Evaluating two yuan of herbicide mode of applications by Sun Pei cloud 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 theory toxicity index；
A A medicament toxicity index；
B B medicament toxicity index；
PA A medicament percentage composition in mixture；
PB B medicament percentage composition in mixture；
In formula:
CTC co-toxicity coefficient；
ATI mixture actual measurement toxicity index；
TTI mixture theory toxicity index.
Criterion: CTC ＞ 120 is potentiation；CTC ＜ 80 is antagonism；80 ＜ CTC
＜ 120 is summation action.
Table 1 Toxicity Determination test (one)
Toxicity Determination result table 1 shows, in the range of A:B weight ratio 20:1-1:20, phonetic
After pyridine oxime grass ether is compounding with flazasulfuron or its salt, there is obvious synergistic function；A:B weight
In the range of for 20:1-1:20, co-toxicity coefficient is more than 120, and particularly A:B weight ratio is 12:1-1:12
In the range of, co-toxicity coefficient is more than 176.7, and synergistic effect is more notable.The drug effect of the present invention is the best
In respective single dose routine tests effect, and weed control spectrum can be expanded.
Table 2 Toxicity Determination test (two)
Toxicity Determination result table 2 shows, in the range of A:B weight ratio 20:1-1:20, phonetic
After pyridine oxime grass ether is compounding with flazasulfuron or its salt, there is obvious synergistic function；A:B weight
In the range of for 20:1-1:20, co-toxicity coefficient is more than 120, and particularly A:B weight ratio is 12:1-1:12
In the range of, co-toxicity coefficient is more than 181.3, and synergistic effect is more notable.The drug effect of the present invention is the best
In respective single dose routine tests effect, and weed control spectrum can be expanded.
Table 3 Toxicity Determination test (three)
Toxicity Determination result table 3 shows, in the range of A:B weight ratio 20:1-1:20, phonetic
After pyridine oxime grass ether is compounding with flazasulfuron or its salt, there is obvious synergistic function；A:B weight
In the range of for 20:1-1:20, co-toxicity coefficient is more than 120, and particularly A:B weight ratio is 12:1-1:12
In the range of, co-toxicity coefficient is more than 182.0, and synergistic effect is more notable.The drug effect of the present invention is the best
In respective single dose routine tests effect, and weed control spectrum can be expanded.
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, will use below
Specific embodiment is described in detail, but the present invention is limited to absolutely not these examples.The following stated is only this
Invent preferable embodiment, only in order to explain the present invention, can not therefore be interpreted as the present invention
The restriction of the scope of the claims.It should be pointed out that, all done within the spirit and principles in the present invention appoint
What amendment, equivalent and improvement etc., should be included within the scope of the present invention.Therefore,
The protection domain of patent of the present invention should be as the criterion with claims.
All features disclosed in this specification, or disclosed all methods or during step, remove
Beyond mutually exclusive feature and/or step, all can combine by any way.Public affairs in this specification
Any feature opened, unless specifically stated otherwise, all can be by other equivalences or the replacement spy with similar purpose
Levy and replaced.I.e., unless specifically stated otherwise, during each feature is a series of equivalence or similar characteristics
An example.
The Herbicidal combinations of the present invention can be prepared as being suitable for any of agricultural use by known method
A kind of dosage form, reasonable dosage form is wettable powder, aqueous emulsion, microemulsion, suspending agent, moisture
Shot agent.In all formula, percentage ratio is all weight percentage.Adding of the various dosage form of the present composition
Work technique is prior art, can be varied from according to different situations.Embodiment and comparative example
One, pyribenzoxim flazasulfuron
Embodiment 1:21% pyribenzoxim flazasulfuron wettable powder (20:1)
Preparation method: by above-mentioned formula by effective ingredient pyribenzoxim, flazasulfuron and auxiliary agent,
Filler mixes, and again through comminution by gas stream, mix homogeneously after mechanical activation comminution, i.e. can be made into corresponding wettability
Powder pesticide.
Comparative example 1:21% pyribenzoxim pyrazosulfuron wettable powder (20:1)
Preparation method: by above-mentioned formula by effective ingredient pyribenzoxim, pyrazosulfuron and auxiliary agent,
Filler mixes, and again through comminution by gas stream, mix homogeneously after mechanical activation comminution, i.e. can be made into corresponding wettability
Powder pesticide.
Comparative example 2:21% pyribenzoxim halosulfuronmethyl wettable powder (20:1)
Preparation method: by above-mentioned formula by effective ingredient pyribenzoxim, halosulfuronmethyl and auxiliary agent,
Filler mixes, and again through comminution by gas stream, mix homogeneously after mechanical activation comminution, i.e. can be made into corresponding wettability
Powder pesticide.
Comparative example 3:21% bispyribac-sodium flazasulfuron wettable powder (20:1)
Preparation method: by above-mentioned formula by effective ingredient bispyribac-sodium, flazasulfuron and auxiliary agent, filler
Mixing, again through comminution by gas stream, mix homogeneously after mechanical activation comminution, i.e. can be made into corresponding wettable powder
Pesticide.
Embodiment 2:13% pyribenzoxim flazasulfuron microemulsion (12:1)
Preparation: former medicine, auxiliary agent, water mixing are made into homogeneous phase.
Comparative example 4:13% pyribenzoxim bensulfuron-methyl microemulsion (12:1)
Preparation: former medicine, auxiliary agent, water mixing are made into homogeneous phase.
Comparative example 5:13% pyribenzoxim nicosulfuron microemulsion (12:1)
Preparation: former medicine, auxiliary agent, water mixing are made into homogeneous phase.
Embodiment 3:20% pyribenzoxim flazasulfuron aqueous emulsion (1:1)
Preparation method: by pyribenzoxim, flazasulfuron, C9, fatty alcohol-polyoxyethylene ether, 12
Alkyl sulfonic acid ammonium stirs evenly in preparation still, then puts into unclassified stores in proportion, after stirring 1 hour, adopts
30min is sheared with 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, fatty alcohol-polyoxyethylene ether, ten
Dialkyl group ichthyodin stirs evenly in preparation still, then puts into unclassified stores in proportion, after stirring 1 hour,
High-speed shearing machine 6000r/min is used to shear 30min.
Comparative example 7:20% pyribenzoxim amidosulfuron aqueous emulsion (1:1)
Preparation method: by pyribenzoxim, amidosulfuron, C9, fatty alcohol-polyoxyethylene ether, 12
Alkyl sulfonic acid ammonium stirs evenly in preparation still, then puts into unclassified stores in proportion, after stirring 1 hour, adopts
30min is sheared with high-speed shearing machine 6000r/min.
Comparative example 8:20% pyribenzoxim nicosulfuron aqueous emulsion (1:1)
Preparation method: by pyribenzoxim, nicosulfuron, C9, fatty alcohol-polyoxyethylene ether, 12
Alkyl sulfonic acid ammonium stirs evenly in preparation still, then puts into unclassified stores in proportion, after stirring 1 hour, adopts
30min is sheared with high-speed shearing machine 6000r/min.
Comparative example 9:20% pyribenzoxim bensulfuron-methyl aqueous emulsion (1:1)
Preparation method: by pyribenzoxim, bensulfuron-methyl, C9, fatty alcohol-polyoxyethylene ether, 12
Alkyl sulfonic acid ammonium stirs evenly in preparation still, then puts into unclassified stores in proportion, after stirring 1 hour, adopts
30min is sheared with high-speed shearing machine 6000r/min.
Comparative example 10:20% bispyribac-sodium flazasulfuron aqueous emulsion (1:1)
Preparation method: by bispyribac-sodium, flazasulfuron, C9, fatty alcohol-polyoxyethylene ether, dodecyl
Ichthyodin stirs evenly in preparation still, then puts into unclassified stores in proportion, after stirring 1 hour, uses height
Speed cutter 6000r/min shears 30min.
Embodiment 4:13% pyribenzoxim flazasulfuron suspending agent (1:12)
Preparation method: by above-mentioned formula by effective ingredient pyribenzoxim, flazasulfuron and auxiliary agent,
Water mixes, through high speed shear mix homogeneously, by sand mill sand milling 2-3 hour so that it is mean diameter
Below 5 microns, i.e. can be made into corresponding suspension pesticide.
Comparative example 11:13% pyribenzoxim pyrazosulfuron suspending agent (1:12)
Preparation method: by above-mentioned formula by effective ingredient pyribenzoxim, pyrazosulfuron and auxiliary agent,
Water mixes, through high speed shear mix homogeneously, by sand mill sand milling 2-3 hour so that it is mean diameter
Below 5 microns, i.e. can be made into corresponding suspension pesticide.
Comparative example 12:13% pyribenzoxim promazine Sulfometuron Methyl suspending agent (1:12)
Preparation method: by above-mentioned formula by effective ingredient pyribenzoxim, promazine Sulfometuron Methyl and auxiliary agent,
Water mixes, through high speed shear mix homogeneously, by sand mill sand milling 2-3 hour so that it is mean diameter
Below 5 microns, i.e. can be made into corresponding suspension pesticide.
Embodiment 5:21% pyribenzoxim flazasulfuron water dispersible granules (1:20)
Preparation method: by above-mentioned formula by effective ingredient pyribenzoxim, flazasulfuron and auxiliary agent,
Filler mixes, and again through comminution by gas stream, mix homogeneously after mechanical activation comminution, adds water through pelletize, and dries,
I.e. can be made into corresponding water dispersible granules.
Comparative example 13:21% pyribenzoxim amidosulfuron water dispersible granules (1:20)
Preparation method: by above-mentioned formula by effective ingredient pyribenzoxim, amidosulfuron and auxiliary agent,
Filler mixes, and again through comminution by gas stream, mix homogeneously after mechanical activation comminution, adds water through pelletize, and dries,
I.e. can be made into corresponding water dispersible granules.
Comparative example 14:21% pyribenzoxim halosulfuronmethyl water dispersible granules (1:20)
Preparation method: by above-mentioned formula by effective ingredient pyribenzoxim, halosulfuronmethyl and auxiliary agent,
Filler mixes, and again through comminution by gas stream, mix homogeneously after mechanical activation comminution, adds water through pelletize, and dries,
I.e. can be made into corresponding water dispersible granules.
Comparative example 15:21% bispyribac-sodium flazasulfuron water dispersible granules (1:20)
Preparation method: by above-mentioned formula by effective ingredient bispyribac-sodium, flazasulfuron and auxiliary agent, filler
Mixing, again through comminution by gas stream, mix homogeneously after mechanical activation comminution, adds water through pelletize, and dries,
Make corresponding water dispersible granules.
(2) the pesticidal preparations field control effectiveness test one that prepared by previous embodiment
Reagent agent: the re-compounded binary herbicide in embodiment 1～5, in comparative example 1～15.
Comparison medicament: 5% pyribenzoxim cream, 25% flazasulfuron water dispersible granules.
Prevent and kill off object: lawn advantage weeds, Herba Eleusines Indicae, amur foxtail, Herba Digitariae, light squama Herba Kyllingae, perfume (or spice)
Radix Aconiti Lateralis Preparata, bamboo are picked up food with chopsticks, sweet wine intestinal.
Test method: according to the area of experimental plot, the good each medicament of precise, after being watered dilution,
Utilize knapsack sprayer, carry out even spraying.The Fan spray head that sprinkler selection weeding is special, selects
Fine day is sprayed in calm afternoon.During spraying, medicinal liquid is uniformly sprayed application in experimental plot, accomplish not
Respray, drain spray.
After off-test, after medicine, 5d, 10d, 20d, 30d, 45d observe weeds death feelings respectively
Condition, and take 1 square meter at random from each community and carry out weeds mortality survey, calculate preventive effect.
Table 4 field control effectiveness test
As shown in table 4 result of the test shows, the present invention by pyribenzoxim and flazasulfuron binary built,
After medicine, 20d preventive effect is compared with respective single dose, expand preventing and treating grass spectrum, to weeds particularly Herba Digitariae,
The preventive effect of Rhizoma Cyperi etc. is all significantly improved, and the preventive effect of mixture preparation is all better than in comparative example
Each medicament.
(3) the pesticidal preparations field control effectiveness test two that prepared by previous embodiment
Test condition is with field control effectiveness test one.
Table 5 embodiment and comparative example field control effectiveness test
After pyribenzoxim is compounded by the present invention with flazasulfuron, 10d, 20d after medicine, compare it to cattle
Muscle grass, the prevention effect of light squama Herba Kyllingae.Result of the test shows, in weight ratio 20 as shown in table 5:
In the range of 1～1:20, particularly in the range of weight ratio 12:1-1:12, pyribenzoxim and pyridine
After Sulfometuron Methyl is compounding, prevention effect is better than the pyribenzoxim sulfonylurea herbicide with other (such as benzyl
Sulfometuron Methyl, nicosulfuron, pyrazosulfuron, halosulfuronmethyl, amidosulfuron, promazine Sulfometuron Methyl etc.)
Compounding prevention effect.Owing to length is limited, only list the most representational sulfonylurea herbicide
Agent sulfonylurea herbicide bensulfuron-methyl, nicosulfuron, pyrazosulfuron, halosulfuronmethyl and pyrimidine oxime
Grass ether is compounding carries out preventive effect contrast (as shown in table 5).Further, at identical weight ratio 20:1～1:20
In the range of, particularly in the range of weight ratio 12:1-1:12, pyribenzoxim and flazasulfuron
Effect after Fu Pei is also better than the effect that bispyribac-sodium is compounding with flazasulfuron.
(4) the pesticidal preparations field control effectiveness test three that prepared by previous embodiment
Test condition is with field control effectiveness test one
Table 6 embodiment field control effectiveness test
The result of the test of table 6 shows, the present invention uses pyribenzoxim to compound with flazasulfuron, described
Built agent relatively single dose has obvious synergistic function, not only can strengthen and weeds are prevented and kill off effect
Really, and can extend control grass the time.
(5) the pesticidal preparations field control effectiveness test four that 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: become the 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,
Utilize knapsack sprayer, carry out even spraying.The Fan spray head that sprinkler selection weeding is special, selects
Fine day is sprayed in calm afternoon.During spraying, medicinal liquid is uniformly sprayed application in experimental plot, accomplish not
Respray, drain spray.After medicine, observe the growing state on lawn in 1～25d, observe whether lawn has poisoning.
Table 7 field control effectiveness test (safety)
The result of the test of table 7 shows, after the present invention uses pyribenzoxim and flazasulfuron compounding, right
The warm-season turfs such as Korea lawn grass, Bermuda grass, paradise grass, Manila, eremochloa ophiuroides or Herba Dichodrae are all pacified
Entirely.
The above is the preferred embodiment of the present invention, it is noted that general for the art
For logical technical staff, on the premise of without departing from principle of the present invention, it is also possible to make some changing
Entering and retouch, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (9)
1. a Herbicidal combinations, it is characterised in that effective ingredient comprises component A and component B,
Wherein, component A is pyribenzoxim, and B is flazasulfuron or its salt, described component A and component
The weight ratio of B is 20:1-1:20.
Herbicidal combinations the most according to claim 1, it is characterised in that described component A with
The weight ratio of component B is 12:1-1:12.
Herbicidal combinations the most according to claim 1 and 2, it is characterised in that described weeding
Possibly together with pesticidal preparations auxiliary element in compositions, to make the dosage form being suitable for agriculturally using.
Herbicidal combinations the most according to claim 3, it is characterised in that described pesticidal preparations
Auxiliary element be the one in solvent, emulsifying agent, dispersant, stabilizer, antifreezing agent or wetting agent or
Several；The dosage form of described Herbicidal combinations be wettable powder, aqueous emulsion, microemulsion, suspending agent or
Water dispersion granule.
5. the application of the arbitrary described Herbicidal combinations of Claims 1-4, it is characterised in that use
Pesticidal preparations in preparation controlling weeds.
The application of Herbicidal combinations the most according to claim 5, it is characterised in that be used for making
Pesticidal preparations for above the average age for marriage broad leaved weed, dried tuber and grassy weed below 7 leaves in preventing and treating lawn.
The application of Herbicidal combinations the most according to claim 6, it is characterised in that described grass
Level ground is warm-season turf.
The application of Herbicidal combinations the most according to claim 7, it is characterised in that described warm
Season type lawn is to Korea lawn grass, Bermuda grass, paradise grass, Manila, eremochloa ophiuroides or Dichondra Repens Turf.
9. the application process of the arbitrary described Herbicidal combinations of Claims 1-4, it is characterised in that
Active component is used with above-mentioned weight ratio, and it is used after mixing according to the above ratio, executes the most simultaneously
With or use the most successively.
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| CN201510117287.0A CN104686556A (en) | 2015-03-17 | 2015-03-17 | Weeding composition and application thereof |
| CN2015101172870 | 2015-03-17 |
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| CN105981731A true CN105981731A (en) | 2016-10-05 |
| CN105981731B CN105981731B (en) | 2018-02-13 |
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| CN201510117287.0A Pending CN104686556A (en) | 2015-03-17 | 2015-03-17 | Weeding composition and application thereof |
| CN201610111223.4A Active CN105981731B (en) | 2015-03-17 | 2016-02-29 | Herbicidal combinations and its application |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510117287.0A Pending CN104686556A (en) | 2015-03-17 | 2015-03-17 | Weeding composition and application thereof |
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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 |
|---|---|---|---|---|
| CN101292658B (en) * | 2002-11-21 | 2011-08-24 | 辛根塔参与股份公司 | Herbicidal composition |
| KR101829933B1 (en) * | 2010-02-03 | 2018-02-19 | 다우 아그로사이언시즈 엘엘씨 | 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 |
-
2015
- 2015-03-17 CN CN201510117287.0A patent/CN104686556A/en active Pending
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2016
- 2016-02-29 CN CN201610111223.4A patent/CN105981731B/en active Active
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 |
| CN105981731B (en) | 2018-02-13 |
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