CN104585201B - A kind of Herbicidal combinations containing Mediben and cumyluron and application thereof - Google Patents
A kind of Herbicidal combinations containing Mediben and cumyluron and application thereof Download PDFInfo
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- CN104585201B CN104585201B CN201310535043.5A CN201310535043A CN104585201B CN 104585201 B CN104585201 B CN 104585201B CN 201310535043 A CN201310535043 A CN 201310535043A CN 104585201 B CN104585201 B CN 104585201B
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Abstract
The invention discloses a kind of Herbicidal combinations containing Mediben and cumyluron and application thereof, this Herbicidal combinations with Mediben with cumyluron as effective ingredient, Mediben is 1～60:1～60 with the mass ratio of cumyluron.Herbicidal combinations of the present invention can be used for rice terrace postemergence weed control, has remarkable result especially for preventing and kill off grass family and broad leaved weed in rice terrace.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 Oryza sativa L. 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 Herbicidal combinations of a kind of Mediben and cumyluron, this Herbicidal combinations can be applicable to rice terrace 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, focuses mostly at the vigorous position of separate living tissue and metabolic activity, hinders the normal activity of phytohormone, so that it is dead.I.e. there will be deformity curling symptom with rear general 24h broad leaved weed, 15～20d is dead.
Cumyluron, have another name called can go out grand, chemical name: 1-(2-chlorphenyl)-3-(1-methyl isophthalic acid-phenylethyl) urea, belong to carbamide herbicides, structural formula:
Cumyluron is cell separation and Hemapoiesis inhibitor.By suppression root and rhizomatous elongation, thus suppress the growth of overground part.Important annual and perennial grassy weed is prevented and kill off before being mainly used in Oryza sativa L. (transplanting and live) mausoleum, field.
Herbicide for paddy field is limited by crop safety at present, weed control spectrum is the most limited, it is used alone a kind of herbicide single dose and can not control the generation of paddy field weed completely effectively, furthermore some herbicide is 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 cumyluron, the most both weed control spectrum had been expanded, significantly 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 cumyluron.
It is a further object of the present invention to provide the application in agent for removing grass in paddy field of this Herbicidal combinations.
A kind of Herbicidal combinations containing Mediben Yu cumyluron, it is characterized in that this Herbicidal combinations is with Mediben and cumyluron as effective ingredient, Mediben is 1～60:1～60 with the mass ratio of cumyluron, it is preferably 1～60:1～30, more preferably 29～60:1～5, most preferably 12～59:1.
In Herbicidal combinations, Mediben and both cumylurons weight/mass percentage composition in Herbicidal combinations are 1～80%, and preferred 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 cumyluron, in addition to Mediben with cumyluron 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 any one dosage form allowed.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 rice terrace postemergence weed control, and particularly in preventing and kill off rice terrace, in grass family and broad leaved weed, 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 Weed Resistance produces speed and reduces, and is greatly enhanced the removing activity of herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Cumyluron is broad spectrum weeding agent, is mainly used in preventing and kill off annual and perennial grassy weed, and Mediben is the herbicide preventing and kill off broad leaved weed.After both mixing, 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, the reduction weeds resistance to medicament, and improves the preventive effect of antagonism weeds, thus extends 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 have also been obtained raising to the safety of Oryza sativa L. and succession crop.
The Herbicidal combinations of the present invention, is applied to rice terrace postemergence weed control, and it can prevent and kill off various grass family and broad leaved weed in rice terrace, on the premise of improve drug effect, Oryza sativa L. and succession crop is all had safety.
Therefore, Herbicidal combinations of the present invention can be applied in the herbicide of rice terrace postemergence weed control in preparation, particularly applies in the herbicide of grass family and broad leaved weed for preventing and kill off in rice terrace in preparation.
Detailed description of the invention
Embodiment 1
Mediben 34%, cumyluron 1%, alkylphenol polyoxyethylene 4%, phenethyl phenol polyethenoxy ether 15%, dimethylbenzene to 100%, it is configured to, according to conventional formulation method, the cream that weight/mass percentage composition is 35%.
Embodiment 2
Mediben 29%, cumyluron 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, is configured to, according to conventional formulation method, the suspending agent that weight/mass percentage composition is 30%.
Embodiment 3
Mediben 59%, cumyluron 1%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, Kaolin to 100%, be configured to, according to conventional formulation method, the water dispersion granule that weight/mass percentage composition is 60%.
Embodiment 4
Mediben 60%, cumyluron 5%, 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 65%.
Embodiment 5
Mediben 3%, cumyluron 12%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, solvent naphtha 20%, water, to 100%, is configured to, according to conventional formulation method, the aqueous emulsion that weight/mass percentage composition is 15%.
Embodiment 6
Mediben 1%, cumyluron 9%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, water to 100%, it is configured to, according to conventional formulation method, the microemulsion that weight/mass percentage composition is 10%.
Embodiment 7
Mediben 10%, cumyluron 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%, cumyluron 31%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, is configured to, according to conventional formulation method, the suspending agent that weight/mass percentage composition is 51%.
Embodiment 9
Mediben 19%, cumyluron 60%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, Kaolin to 100%, be configured to, according to conventional formulation method, the water dispersion granule that weight/mass percentage composition is 79%.
Embodiment 10
Mediben 5%, cumyluron 5%, 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 10%.
Embodiment 11
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), 8% cumyluron granule (commercially available).
For studying thing: Oryza sativa L.
Rice seedlings grows fine, robust plant, without other pest and disease damages.
Prevent and kill off object:
The weeds such as barnyard grass, Herba Setariae Viridis, Herba Digitariae, Herba chenopodii, Herba Amaranthi tricoloris, 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 even spraying, the Fan spray head that sprinkler selection herbicide is special.During spraying, it should be noted that uniformly sprayed application in experimental plot by medicinal liquid, accomplish 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 to observe the condition of production consumption of every mu of ground effective ingredient (consumption be) of crop after medicine in 1～15d, to investigate whether medicament has poisoning to crop.
Embodiments of the invention preparation Herbicidal Testing Trials effect see table 20d after 1(medicine) and table 2(medicine after 40d)
Table 1 field control effectiveness test result (20d after medicine)
Table 2 field control effectiveness test result (40d after medicine)
Consumption in Tables 1 and 2 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 the lasting period of medicament.
Table 3 medicament security survey result to crop
In each process community, the rice is doing well, has no any medicine speckle, illustrates that various medicament is the safest to Oryza sativa L..
Claims (7)
1. the Herbicidal combinations containing Mediben with cumyluron, it is characterised in that this Herbicidal combinations with Mediben with cumyluron is
Effective ingredient, wherein, Mediben is 12～59:1 with the mass ratio of cumyluron.
Herbicidal combinations the most according to claim 1, it is characterised in that Mediben and both cumylurons are in Herbicidal combinations
Weight/mass percentage composition be 1～80%.
Herbicidal combinations the most according to claim 2, it is characterised in that Mediben and both cumylurons are in Herbicidal combinations
Weight/mass percentage composition be 10～65%.
Herbicidal combinations the most according to claim 1, it is characterised in that it is with Mediben and cumyluron as effective ingredient with agriculture
The auxiliary agent allowed on medicine is configured to any one dosage form.
Herbicidal combinations the most according to claim 4, it is characterised in that described dosage form be cream, suspending agent, aqueous emulsion,
Microemulsion, water dispersion granule or wettable powder.
6. the application in preparation is used for the herbicide of rice terrace postemergence weed control of the Herbicidal combinations described in claim 1.
7. the Herbicidal combinations described in claim 1 in preparation for preventing and kill off in rice terrace in the herbicide of grass family and broad leaved weed
Application.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101636085A (en) * | 2007-02-19 | 2010-01-27 | 拜尔作物科学股份公司 | Herbicidal compositions comprising difluoromethanesulfonylanilide and one or more herbicides |
| CN102308828A (en) * | 2004-09-17 | 2012-01-11 | 石原产业株式会社 | Herbicidal composition |
| 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 CN201310535043.5A patent/CN104585201B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308828A (en) * | 2004-09-17 | 2012-01-11 | 石原产业株式会社 | Herbicidal composition |
| CN101636085A (en) * | 2007-02-19 | 2010-01-27 | 拜尔作物科学股份公司 | Herbicidal compositions comprising difluoromethanesulfonylanilide and one or more herbicides |
| 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 |
|---|
| Vegyszeres gyomirtasi kiserlet teli almaban.;Baksa, Janos et al.;《Novenyvedelem》;19871231;第23卷(第3期);123-125 * |
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Effective date of registration: 20180514 Address after: 211318 Dongfeng Road 8, Yalong Town, Gaochun, Nanjing, Jiangsu Co-patentee after: Nanjing Redsun Co., Ltd. Patentee after: Nanjing Huazhou Pharmaceutical Co., Ltd. Address before: 211318 Dongfeng Road 8, Yalong Town, Gaochun, Nanjing, Jiangsu Patentee before: Nanjing Huazhou Pharmaceutical Co., Ltd. |