CN104604855B - A kind of Herbicidal combinations containing Mediben and butachlor and application thereof - Google Patents
A kind of Herbicidal combinations containing Mediben and butachlor and application thereof Download PDFInfo
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- CN104604855B CN104604855B CN201310539064.4A CN201310539064A CN104604855B CN 104604855 B CN104604855 B CN 104604855B CN 201310539064 A CN201310539064 A CN 201310539064A CN 104604855 B CN104604855 B CN 104604855B
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Abstract
The invention discloses a kind of Herbicidal combinations containing Mediben and butachlor and application thereof, this Herbicidal combinations with Mediben with butachlor as effective ingredient, Mediben is 1～60:1～60 with the mass ratio of butachlor.Herbicidal combinations of the present invention can be used for wheat paddock postemergence weed control, has remarkable result especially for preventing and kill off grass family and broad leaved weed in wheat paddock.Herbicidal combinations of the present invention on the premise of improve drug effect, delays Weed Resistance relative to single dose, and herbicidal spectrum is wide, and the lasting period is long, and Semen Tritici aestivi and succession crop are all had safety.
Description
Technical field
The invention belongs to technical field of pesticide, especially herbicide field, be specifically related to the binary built of a kind of Mediben and butachlor
Herbicidal combinations, this Herbicidal combinations can be applicable to wheat paddock postemergence weed control.
Background technology
Mediben, has another name called wheat straw prestige；Dicamba.Chemical name: 3,6-bis-chloro-2-methoxybenzoic acid, structural formula is:
Mediben belongs to hormone herbicide.There is Uptake and translocation effect, annual and perennial broadleaf weed are had notable preventive effect.
Mediben is sprayed after the Seedling, and medicament can be quickly by the leaf of weeds, stem, root absorption, by phloem and xylem to conducting up and down,
Focus mostly at the vigorous position of separate living tissue and metabolic activity, hinder the normal activity of phytohormone, so that it is dead.With rear one
As 24h broad leaved weed i.e. there will be deformity curling symptom, 15～20d is dead.
Butachlor, has another name called Machete, weed eradication spy, Machete, the chloro-N-of chemical name: 2-(2,6-diethyl phenyl)-N-(fourth oxygen
Methyl) acetamide, belong to chloro-acetyl amine herbicide, structural formula:
Butachlor mainly suppresses the growth of cell by hindering the synthesis of protein, i.e. by weeds plumelet and immature secondary root
Absorbing, suppression vivo protein matter synthesis, make weeds shoot enlargement, deformity, color depth is green, ultimately results in death.
Wheat field herbicide is limited by crop safety at present, and weed control spectrum is the most limited, and being used alone a kind of herbicide single dose can not be complete
Efficiently control the generation of weeds of wheat, furthermore some herbicide owing to water solublity is big or the field lasting period is oversize, consumption is excessive or
The uneven residual hazard all easily caused this season crop or succession crop of dispenser.Therefore, the present invention select can weed control spectrum different,
It is made into mixture use after the Mediben of pluses and minuses complementation and two kinds of suitable decrements of herbicide of butachlor, the most both expands weed control spectrum, bright
Show and improve herbicidal effect, it also avoid and this season crop is produced poisoning and succession crop is produced the probability of residual hazard.
Summary of the invention
It is an object of the invention to provide a kind of Herbicidal combinations containing Mediben Yu butachlor.
It is a further object of the present invention to provide the application in wheat paddock weeding of this Herbicidal combinations.
A kind of Herbicidal combinations containing Mediben Yu butachlor, it is characterised in that this Herbicidal combinations is effective with Mediben and butachlor
Composition, the mass ratio of Mediben and butachlor is 1～60:1～60, preferably 1～60:1～30, more preferably 29～
60:1～5, most preferably 12～59:1.
In Herbicidal combinations, Mediben and both butachlors weight/mass percentage composition in Herbicidal combinations are 1～80%, preferably
Weight/mass percentage composition is 10～65%, and further preferred weight/mass percentage composition is 30～65%.
In the binary built compositions of the Mediben of the present invention and butachlor, in addition to Mediben with butachlor effective ingredient, it is also possible to
The auxiliary agents such as conventional surfactants, thickening agent, solvent or the solid packing allowed on interpolation pesticidal preparations are configured on pesticide permission
Any one dosage form.Preferably it is processed into cream, suspending agent, aqueous emulsion, microemulsion, water dispersion granule, wettable powder etc..
Herbicidal combinations of the present invention can be applied in wheat paddock postemergence weed control, particularly grass family and wealthy in preventing and kill off wheat paddock
In leaf weeds, application has remarkable result.
The Herbicidal combinations of the present invention has the advantage that
1, activity of weeding is high.The Herbicidal combinations of the present invention can kill weeds by two kinds of different mechanism so that weeds resist
Property produce speed reduce, be greatly enhanced the removing activity of herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Butachlor is broad spectrum weeding agent, its to the grassy weed of seed germination,
Annual dried tuber and some broad leaved weeds have good preventive effect, and Mediben is the herbicide preventing and kill off broad leaved weed.Both are mixed
After conjunction, it is possible to increase to multiple grassy weed and the preventing and treating of broad leaved weed.
3, Weed Resistance is delayed.Herbicidal combinations of the present invention passes through binary built, reduces the weeds resistance to medicament, and carries
The preventive effect of high antagonism weeds, thus extend the service life of medicament.
4, safety is high.Owing to its using dosage is under control, making medicament on the premise of improve drug effect, it is to little
The safety of wheat and succession crop have also been obtained raising.
The Herbicidal combinations of the present invention, is applied to wheat paddock postemergence weed control, and it can prevent and kill off various grass family and broad-leaved in wheat paddock
Weeds, on the premise of improve drug effect, all have safety to Semen Tritici aestivi and succession crop.
Therefore, Herbicidal combinations of the present invention can be applied in the herbicide of wheat paddock postemergence weed control in preparation, particularly exists
Preparation is applied in the herbicide of grass family and broad leaved weed for preventing and kill off in wheat paddock.
Detailed description of the invention
Embodiment 1
Mediben 34%, butachlor 1%, alkylphenol polyoxyethylene 4%, phenethyl phenol polyethenoxy ether 15%, dimethylbenzene is extremely
100%, it is configured to, according to conventional formulation method, the cream that weight/mass percentage composition is 35%.
Embodiment 2
Mediben 29%, butachlor 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, magnesium silicate
Aluminum 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, is configured to matter according to conventional formulation method
Amount percentage composition is the suspending agent of 30%.
Embodiment 3
Mediben 59%, butachlor 1%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%,
Kaolin, to 100%, is configured to, according to conventional formulation method, the water dispersion granule that weight/mass percentage composition is 60%.
Embodiment 4
Mediben 60%, butachlor 5%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, wooden sodium iodate 4%, Kaolin is extremely
100%, it is configured to, according to conventional formulation method, the wettable powder that weight/mass percentage composition is 65%.
Embodiment 5
Mediben 3%, butachlor 12%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, magnesium silicate
Aluminum 0.5%, ethylene glycol 7%, tributyl phosphate 2%, solvent naphtha 20%, water to 100%, according to conventional formulation method preparation
Becoming weight/mass percentage composition is the aqueous emulsion of 15%.
Embodiment 6
Mediben 1%, butachlor 9%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, magnesium silicate
Aluminum 0.5%, ethylene glycol 7%, tributyl phosphate 2%, water to 100%, it is configured to percent mass according to conventional formulation method and contains
Amount is the microemulsion of 10%.
Embodiment 7
Mediben 10%, butachlor 50%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, wooden sodium iodate 4%, Kaolin
To 100%, it is configured to, according to conventional formulation method, the wettable powder that weight/mass percentage composition is 60%.
Embodiment 8
Mediben 20%, butachlor 31%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, silicic acid
Magnalium 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, is configured to according to conventional formulation method
Weight/mass percentage composition is the suspending agent of 51%.
Embodiment 9
Mediben 19%, butachlor 60%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%,
Kaolin, to 100%, is configured to, according to conventional formulation method, the water dispersion granule that weight/mass percentage composition is 79%.
Embodiment 10
Mediben 5%, butachlor 5%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, wooden sodium iodate 4%, Kaolin is extremely
100%, it is configured to, according to conventional formulation method, the wettable powder that weight/mass percentage composition is 10%.
Embodiment 11
1), toxicity determination test
Utilize the preparation in embodiment 1～4, measure its co-toxicity coefficient to corn field common weed Herba Commelinae.
Test method: be seeded in respectively in the Disposable paper cup of 9cm by the seed of quantitative Herba Commelinae, sows 10～15 in every glass
Grain seed, cultivates in illumination box, when the 3～6 leaf phase of Herba Commelinae, makees to carry out on composition spray spraying treatment in crawler type.
Continuing in greenhouse after process to cultivate, routine observation respectively processes the preventive effect to weeds, weighs the weeds fresh weight after each process after 30d,
Calculate its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is more than 100, shows that two kinds of active substance have potentiation, altogether poison
Coefficient is less than 100, shows that two kinds of active substance have antagonism.Measurement result is as shown in table 1.
Table 1 toxicity measurement result
As can be seen from the above table, the co-toxicity coefficient after two kinds of active substance are compounding is both greater than 100, illustrates that the present invention has significantly
Potentiation.
2), field control effectiveness test.
Reagent agent:
4 kinds of re-compounded binary herbicides in embodiment 1～4.
Comparison medicament:
48% dicamba aqueous solution (commercially available), 60% butachlor ec (commercially available).
For studying thing: Semen Tritici aestivi
Caulis et Folium Tritici aestivi grows fine, robust plant, without other pest and disease damages.
Prevent and kill off object:
The weeds such as barnyard grass, Semen Euphorbiae, Herba Clinopodii Polycephali, Sagittaria trifolia L. Var. Angusti-folia(Sieb.) Kitag.(Sagittaria sagittifolia L.), Herba Galii Teneri, smartweed.
Test method:
According to the area of experimental plot, the good various medicaments of precise, and after being watered dilution, utilize knapsack sprayer, carry out all
Even spraying, the Fan spray head that sprinkler selection herbicide is special.During spraying, it should be noted that medicinal liquid is uniformly sprayed application in experimental plot, does
To there is no drain spray, the phenomenon of many sprays.
After test, after medicine, 20d, 40d observe weeds death condition respectively, and compare the activity of weeding of various medicaments.Additionally, also
The condition of production consumption of every mu of ground effective ingredient (consumption be) of crop is observed in 1～15d, to investigate medicament pair after medicine
Whether crop has poisoning.
Embodiments of the invention preparation Herbicidal Testing Trials effect see table 20d after 2(medicine) and table 3(medicine after 40d)
Table 2 field control effectiveness test result (20d after medicine)
Table 3 field control effectiveness test result (40d after medicine)
Consumption in table 2 and table 3 is effective ingredient consumption.
As can be seen from the above table, Herbicidal combinations of the present invention has expansion herbicidal spectrum, improves the effect of activity of weeding, and extends medicine
The lasting period of agent.
Table 4 medicament security survey result to crop
Each Semen Tritici aestivi processed in community grows fine, and has no any medicine speckle, illustrates that various medicament is the safest to Semen Tritici aestivi.
Claims (7)
1. the Herbicidal combinations containing Mediben and butachlor, it is characterised in that this Herbicidal combinations with Mediben with butachlor as effective ingredient, wherein, Mediben is 12～59:1 with the mass ratio of butachlor.
Herbicidal combinations the most according to claim 1, it is characterised in that Mediben and both butachlors weight/mass percentage composition in Herbicidal combinations are 1 ~ 80%.
Herbicidal combinations the most according to claim 2, it is characterised in that Mediben and both butachlors weight/mass percentage composition in Herbicidal combinations are 10 ~ 65%.
Herbicidal combinations the most according to claim 1, it is characterised in that the auxiliary agent that it allows with Mediben and butachlor as effective ingredient with on pesticide is configured to any one dosage form.
Herbicidal combinations the most according to claim 4, it is characterised in that described dosage form is cream, suspending agent, aqueous emulsion, microemulsion, water dispersion granule or wettable powder.
6. the application in preparation is used for the herbicide of wheat paddock postemergence weed control of the Herbicidal combinations described in claim 1.
7. the Herbicidal combinations described in claim 1 is used for the application prevented and kill off in wheat paddock in the herbicide of grass family and broad leaved weed in preparation.
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| CN201310539064.4A CN104604855B (en) | 2013-11-04 | 2013-11-04 | A kind of Herbicidal combinations containing Mediben and butachlor and application thereof |
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| CN201310539064.4A CN104604855B (en) | 2013-11-04 | 2013-11-04 | A kind of Herbicidal combinations containing Mediben and butachlor and application thereof |
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| CN104604855A CN104604855A (en) | 2015-05-13 |
| CN104604855B true CN104604855B (en) | 2016-08-17 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002080680A2 (en) * | 2001-04-07 | 2002-10-17 | Bayer Cropscience Gmbh | Synergistic active combinations for controlling harmful plants |
| CN102907451A (en) * | 2012-11-19 | 2013-02-06 | 江苏扬农化工股份有限公司 | Compound herbicide composition containing dicamba and application thereof |
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2013
- 2013-11-04 CN CN201310539064.4A patent/CN104604855B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002080680A2 (en) * | 2001-04-07 | 2002-10-17 | Bayer Cropscience Gmbh | Synergistic active combinations for controlling harmful plants |
| CN102907451A (en) * | 2012-11-19 | 2013-02-06 | 江苏扬农化工股份有限公司 | Compound herbicide composition containing dicamba and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 丁草胺除草剂的应用;李进 等;《新农业》;19841231(第18期);第22页 * |
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