CN104604913A - Herbicide composition containing dicamba and imazosulfuron, and applications thereof - Google Patents
Herbicide composition containing dicamba and imazosulfuron, and applications thereof Download PDFInfo
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- CN104604913A CN104604913A CN201310536537.5A CN201310536537A CN104604913A CN 104604913 A CN104604913 A CN 104604913A CN 201310536537 A CN201310536537 A CN 201310536537A CN 104604913 A CN104604913 A CN 104604913A
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- imazosulfuron
- dicamba
- herbicidal combinations
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Abstract
The invention discloses a herbicide composition containing dicamba and imazosulfuron, and applications thereof. Dicamba and imazosulfuron are taken as active ingredients of the herbicide composition, and mass ratio of dicamba to imazosulfuron is 1-60:1-60. The herbicide composition can be used for weeding of paddy fields after seedling, and especially possesses excellent effects on preventing and killing grassy weed and broadleaf weed in paddy fields. Compared with single ingredient preparations, drug effect of the herbicide composition is improved, generation of weed resistance is delayed, weed control spectrum is broad, effect lasting period is long, and the herbicide composition is safe for both rice and afterreap crops.
Description
Technical field
The invention belongs to technical field of pesticide, especially weed killer herbicide field, be specifically related to the binary built Herbicidal combinations of a kind of dicamba and imazosulfuron, this Herbicidal combinations can be applicable to paddy field postemergence weed control.
Background technology
Dicamba, has another name called wheat straw prestige; Dicamba.The chloro-O-Anisic Acid of chemical name: 3,6-bis-, structural formula is:
Dicamba belongs to hormone herbicide.There is Uptake and translocation effect, have remarkable preventive effect to annual and perennial broadleaf weed.Dicamba is used for spraying after seedling, and medicament very soon by the leaf of weeds, stem, root absorption, can be conducted by phloem and xylem up and down, focuses mostly at meristematic tissue and the vigorous position of metabolic activity, hinders the normal activity of plant hormone, thus make it dead.Namely there will be lopsided curling symptom with rear general 24h broad leaved weed, 15 ~ 20d is dead.
Imazosulfuron, has another name called imidazoles sulphur grand, chemical name: the chloro-N-of 2-(((4,6-dimethoxy-2-pyrimidine radicals) is amino) formyl) imidazo [1,2-a] pyridine-3-sulfonamide, belongs to sulfonylurea herbicide, structural formula:
Imazosulfuron is acetolactate synthestase (ALS) inhibitor.Absorbed by weeds root and leaf, be then transported in whole strain plant.Imazosulfuron suppresses the growth of weeds terminal buds, stops growing of root and seedling, thus makes complete stool dead.
Current herbicide for paddy field limit by crop safety, herbicide spectrum is also limited, be used alone the generation that a kind of weed killer herbicide single dose can not control paddy field weed completely effectively, moreover some weed killer herbicide is due to water-soluble large 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 selects herbicide to compose different, be made into mixture after the dicamba of pluses and minuses complementation and imazosulfuron two kinds of suitable decrements of weed killer herbicide to use, so both expand herbicide spectrum, significantly improve herbicidal effect, it also avoid and poisoning and the possibility to succession crop generation residual hazard are produced to this season crop.
Summary of the invention
The object of this invention is to provide a kind of Herbicidal combinations containing dicamba and imazosulfuron.
Another object of the present invention is to provide the application of this Herbicidal combinations in agent for removing grass in paddy field.
A kind of Herbicidal combinations containing dicamba and imazosulfuron, it is characterized in that this Herbicidal combinations with dicamba and imazosulfuron for active ingredient, the mass ratio of dicamba and imazosulfuron is 1 ~ 60:1 ~ 60, be preferably 1 ~ 60:1 ~ 30, preferably 29 ~ 60:1 ~ 5, most preferably 12 ~ 59:1 further.
In Herbicidal combinations, both dicamba and the imazosulfuron mass percentage in Herbicidal combinations is 1 ~ 80%, and preferred mass percentage composition is 10 ~ 65%, and further preferred mass percentage composition is 30 ~ 65%.
In the binary built composition of dicamba of the present invention and imazosulfuron, except dicamba and imazosulfuron active ingredient, the auxiliary agents such as conventional surfactants, thickener, solvent or the solid packing that pesticidal preparations allows can also be added and be mixed with any one formulation that agricultural chemicals allows.Preferably be processed into missible oil, suspending agent, aqueous emulsion, microemulsion, water dispersion granule, wetting powder etc.
Herbicidal combinations of the present invention can be applied in paddy field postemergence weed control, particularly has remarkable result preventing and kill off in paddy field application in broad leaved weed.
Herbicidal combinations of the present invention has the following advantages:
1, activity of weeding is high.Herbicidal combinations of the present invention can kill weeds by two kinds of different mechanism, makes Weed Resistance produce speed and reduces, greatly improve the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Imazosulfuron is mainly used in preventing and kill off most of annual and perennial broadleaf weed, and dicamba is the weed killer herbicide preventing and kill off broad leaved weed.After both mixing, the control to multiple grassy weed and broad leaved weed can be improved.
3, Weed Resistance is delayed.Herbicidal combinations of the present invention, by binary built, reduces weeds to the resistance of medicament, and improves the preventive effect of antagonism weeds, thus extend the service life of medicament.
4, safety is high.Because its using dosage is under control, make medicament under the prerequisite that improve drug effect, it have also been obtained raising to the safety of paddy rice and succession crop.
Safety is high.Herbicidal combinations of the present invention, is applied to paddy field postemergence weed control, and it can prevent and kill off broad leaved weed in paddy field, under the prerequisite that improve drug effect, all has safety to paddy rice and succession crop.
Therefore, Herbicidal combinations of the present invention can be applied in the weed killer herbicide for the preparation of paddy field postemergence weed control, particularly applies in for the preparation of the weed killer herbicide preventing and kill off broad leaved weed in paddy field.
Embodiment
Embodiment 1
Dicamba 34%, imazosulfuron 1%, alkylphenol polyoxyethylene 4%, phenethyl phenol polyethenoxy ether 15%, dimethylbenzene to 100%, formulation method is conveniently mixed with the missible oil that mass percentage is 35%.
Embodiment 2
Dicamba 29%, imazosulfuron 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, polyoxyethylene nonylphenol ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, and formulation method is conveniently mixed with the suspending agent that mass percentage is 30%.
Embodiment 3
Dicamba 59%, imazosulfuron 1%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, formulation method is conveniently mixed with the water dispersion granule that mass percentage is 60%.
Embodiment 4
Dicamba 60%, imazosulfuron 5%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, wooden sodium iodate 4%, kaolin to 100%, formulation method is conveniently mixed with the wetting powder that mass percentage is 65%.
Embodiment 5
Dicamba 3%, imazosulfuron 12%, methyl naphthalene sulfonate formaldehyde condensate 6%, polyoxyethylene nonylphenol ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, solvent naphtha 20%, water to 100%, formulation method is conveniently mixed with the aqueous emulsion that mass percentage is 15%.
Embodiment 6
Dicamba 1%, imazosulfuron 9%, methyl naphthalene sulfonate formaldehyde condensate 6%, polyoxyethylene nonylphenol ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, water to 100%, formulation method is conveniently mixed with the microemulsion that mass percentage is 10%.
Embodiment 7
Dicamba 10%, imazosulfuron 50%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, wooden sodium iodate 4%, kaolin to 100%, formulation method is conveniently mixed with the wetting powder that mass percentage is 60%.
Embodiment 8
Dicamba 20%, imazosulfuron 31%, methyl naphthalene sulfonate formaldehyde condensate 6%, polyoxyethylene nonylphenol ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, and formulation method is conveniently mixed with the suspending agent that mass percentage is 51%.
Embodiment 9
Dicamba 19%, imazosulfuron 60%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, formulation method is conveniently mixed with the water dispersion granule that mass percentage is 79%.
Embodiment 10
Dicamba 5%, imazosulfuron 5%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, wooden sodium iodate 4%, kaolin to 100%, formulation method is conveniently mixed with the wetting powder that mass percentage is 10%.
Embodiment 11
1), toxicity determination test
Utilize the preparation in embodiment 1 ~ 4, measure its co-toxicity coefficient to paddy field common weed dayflower.
Test method: be seeded in respectively in the Disposable paper cup of 9cm by the seed of quantitative dayflower, sows 10 ~ 15 seeds in every glass, cultivates in illumination box, when dayflower 3 ~ 6 leaf phase, does composition spray to carry out spraying process in crawler type.Continue 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, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is greater than 100, and show that two kinds of active principles have synergistic effect, co-toxicity coefficient is less than 100, shows that two kinds of active principles 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 principles are composite is all greater than 100, illustrates that the present invention has obvious synergistic effect.
2), field control effectiveness test.
Reagent agent:
4 kinds of re-compounded binary herbicides in embodiment 1 ~ 4.
Contrast medicament:
48% dicamba aqueous solution (commercially available), 1% imazosulfuron granule (self-control).
For studying thing: paddy rice
Rice seedlings grows fine, robust plant, without other damage by disease and insect.
Prevent and kill off object:
The weeds such as needle spikesedge herb, nutgrass flatsedge, lamb's-quarters, amaranth, smartweed.
Test method:
According to the area of experimental plot, the good various medicament of precise, and after being watered dilution, utilize knapsack sprayer, carry out even spraying, the Fan spray head that sprinkler selection weed killer herbicide is special.During spraying, liquid be noted evenly to spray application in experimental plot, accomplish the phenomenon not having drain spray, many sprays.
After test, after medicine, 20d, 40d observe weeds death condition respectively, and the activity of weeding of more various medicament.In addition, after medicine, the condition of production (consumption is the consumption of every mu of ground active ingredient) of crop also in 1 ~ 15d, to be observed, whether have poisoning to investigate medicament to crop.
Embodiments of the invention preparation Herbicidal Testing Trials effect sees the following form 20d after 2(medicine) and table 3(medicine after 40d)
Table 2 field control effectiveness test result (after medicine 20d)
Table 3 field control effectiveness test result (after medicine 40d)
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 the lasting period of medicament.
Table 4 medicament is to the security survey result of crop
In each process community, the rice is doing well, has no any medicine spot, illustrates that various medicament is all safe to paddy rice.
Claims (9)
1., containing a Herbicidal combinations for dicamba and imazosulfuron, it is characterized in that this Herbicidal combinations with dicamba and imazosulfuron for active ingredient, wherein, the mass ratio of dicamba and imazosulfuron is 1 ~ 60:1 ~ 60.
2. the Herbicidal combinations containing dicamba and imazosulfuron according to claim 1, is characterized in that the mass ratio of dicamba and imazosulfuron in this Herbicidal combinations is 1 ~ 60:1 ~ 30.
3. the Herbicidal combinations containing dicamba and imazosulfuron according to claim 2, is characterized in that the mass ratio of dicamba and imazosulfuron in this Herbicidal combinations is 29 ~ 60:1 ~ 5, preferably 12 ~ 59:1.
4., according to the Herbicidal combinations in claims 1 to 3 described in any one, it is characterized in that both dicamba and the imazosulfuron mass percentage in Herbicidal combinations is 1 ~ 80%.
5. Herbicidal combinations according to claim 4, is characterized in that both dicamba and the imazosulfuron mass percentage in Herbicidal combinations is 10 ~ 65%, preferably 30 ~ 65%.
6. Herbicidal combinations according to claim 1, is characterized in that it with dicamba and imazosulfuron for the auxiliary agent that active ingredient and agricultural chemicals allow is mixed with any one formulation.
7. Herbicidal combinations according to claim 6, is characterized in that described formulation is missible oil, suspending agent, aqueous emulsion, microemulsion, water dispersion granule or wetting powder.
8. the application of Herbicidal combinations according to claim 1 in the weed killer herbicide for the preparation of paddy field postemergence weed control.
9. Herbicidal combinations according to claim 1 is for the preparation of the application of preventing and kill off in the weed killer herbicide of broad leaved weed in paddy field.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310536537.5A CN104604913B (en) | 2013-11-04 | 2013-11-04 | Herbicide composition containing dicamba and imazosulfuron, and applications thereof |
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| CN201310536537.5A CN104604913B (en) | 2013-11-04 | 2013-11-04 | Herbicide composition containing dicamba and imazosulfuron, and applications thereof |
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| CN104604913B CN104604913B (en) | 2017-01-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109757478A (en) * | 2017-11-09 | 2019-05-17 | 山东润博生物科技有限公司 | A kind of dicamba type missible oil and preparation method thereof |
| CN116998490A (en) * | 2023-07-19 | 2023-11-07 | 镇江先锋植保科技有限公司 | Water dispersible granule containing flumetsulam and dicamba and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1059073A (en) * | 1986-03-20 | 1992-03-04 | 武田药品工业株式会社 | Solsonylurea compounds is as the purposes of weed killer herbicide |
| JPH07196416A (en) * | 1993-12-28 | 1995-08-01 | Takeda Chem Ind Ltd | Herbicical composition |
| CN101431898A (en) * | 2006-04-28 | 2009-05-13 | 住友化学株式会社 | Herbicidal composition comprising a mixture of sulfonylurea herbicides |
-
2013
- 2013-11-04 CN CN201310536537.5A patent/CN104604913B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059073A (en) * | 1986-03-20 | 1992-03-04 | 武田药品工业株式会社 | Solsonylurea compounds is as the purposes of weed killer herbicide |
| JPH07196416A (en) * | 1993-12-28 | 1995-08-01 | Takeda Chem Ind Ltd | Herbicical composition |
| CN101431898A (en) * | 2006-04-28 | 2009-05-13 | 住友化学株式会社 | Herbicidal composition comprising a mixture of sulfonylurea herbicides |
Non-Patent Citations (1)
| Title |
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| 邓金保: "Gowan公司的除草剂yukon将在美国投放市场", 《南方农药》, vol. 11, no. 2, 31 December 2007 (2007-12-31), pages 40 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109757478A (en) * | 2017-11-09 | 2019-05-17 | 山东润博生物科技有限公司 | A kind of dicamba type missible oil and preparation method thereof |
| CN116998490A (en) * | 2023-07-19 | 2023-11-07 | 镇江先锋植保科技有限公司 | Water dispersible granule containing flumetsulam and dicamba and preparation method thereof |
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| CN104604913B (en) | 2017-01-11 |
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Effective date of registration: 20180521 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. |