CN104604869A - Weeding composition containing dicamba and quinclorac, and application thereof - Google Patents
Weeding composition containing dicamba and quinclorac, and application thereof Download PDFInfo
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- CN104604869A CN104604869A CN201310539327.1A CN201310539327A CN104604869A CN 104604869 A CN104604869 A CN 104604869A CN 201310539327 A CN201310539327 A CN 201310539327A CN 104604869 A CN104604869 A CN 104604869A
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- dicamba
- herbicidal combinations
- quinolinic acid
- dichloro quinolinic
- weed
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Abstract
The invention discloses a weeding composition containing dicamba and quinclorac, and an application thereof. Effective components of the weeding composition comprise dicamba and quinclorac, and a mass ratio of dicamba to quinclorac is 1-60:1-60. The weeding composition can be used for rice field post-emergence weeding, and especially has a substantial control effect on grassy and broad leaf weeds in the rice field. Compared with single doses, the weeding composition has the advantages of drug effect improvement, weed resistance delaying, broad weeding spectrum, long persistent period, and safety to rice and later 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 dichloro quinolinic acid, 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.
Dichloro quinolinic acid, have another name called quinclorac, barnyard grass is clean, barnyard grass is died, kill barnyard grass spy, gram barnyard grass is clever, chemical name: 3,7-dichloro-8-quinoline carboxylic acid, belongs to quinoline carboxylic acid weed killer herbicide, structural formula:
Dichloro quinolinic acid mainly by weeds root absorption, also by the neutron absorption germinateed, can be absorbed by leaf portion on a small quantity, conducts in weeds body, makes weeds dead.Weeds poisoning symptom is similar to the effect symptom of growth hormone material, namely has the feature of hormone herbicide.Good preventive effect is had to barnyard grass.
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 dichloro quinolinic acid 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 dichloro quinolinic acid.
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 dichloro quinolinic acid, it is characterized in that this Herbicidal combinations with dicamba and dichloro quinolinic acid for active ingredient, the mass ratio of dicamba and dichloro quinolinic acid is 1 ~ 60:1 ~ 60, be preferably 1 ~ 60:1 ~ 30, more preferably 29 ~ 60:1 ~ 5, most preferably are 12 ~ 59:1.
In Herbicidal combinations, both dicamba and the dichloro quinolinic acid 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 dichloro quinolinic acid, except dicamba and dichloro quinolinic acid 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 grass family and 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.Dichloro quinolinic acid is broad spectrum weeding agent, and it has good preventive effect to the grass family such as barnyard grass and most broad leaved 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.
Herbicidal combinations of the present invention, is applied to paddy field postemergence weed control, and it can prevent and kill off various grass family and 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 grass family and broad leaved weed in paddy field.
Embodiment
Embodiment 1
Dicamba 34%, dichloro quinolinic acid 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%, dichloro quinolinic acid 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%, dichloro quinolinic acid 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%, dichloro quinolinic acid 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%, dichloro quinolinic acid 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%, dichloro quinolinic acid 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%, dichloro quinolinic acid 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%, dichloro quinolinic acid 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%, dichloro quinolinic acid 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%, dichloro quinolinic acid 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 Monochoria vaginalis.
Test method: be seeded in respectively in the Disposable paper cup of 9cm by the seed of quantitative Monochoria vaginalis, sows 10 ~ 15 seeds in every glass, cultivates in illumination box, when Monochoria vaginalis 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), 25% Dichloroquinolinic acid suspending agent (commercially available).
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 barnyard grass, green foxtail, lady's-grass, 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 dichloro quinolinic acid, it is characterized in that this Herbicidal combinations with dicamba and dichloro quinolinic acid for active ingredient, wherein, the mass ratio of dicamba and dichloro quinolinic acid is 1 ~ 60:1 ~ 60.
2. the Herbicidal combinations containing dicamba and dichloro quinolinic acid according to claim 1, is characterized in that the mass ratio of dicamba and dichloro quinolinic acid in this Herbicidal combinations is 1 ~ 60:1 ~ 30.
3. the Herbicidal combinations containing dicamba and dichloro quinolinic acid according to claim 2, is characterized in that the mass ratio of dicamba and dichloro quinolinic acid 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 dichloro quinolinic acid mass percentage in Herbicidal combinations is 1 ~ 80%.
5. Herbicidal combinations according to claim 4, is characterized in that both dicamba and the dichloro quinolinic acid 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 dichloro quinolinic acid 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 grass family and broad leaved weed in paddy field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310539327.1A CN104604869A (en) | 2013-11-04 | 2013-11-04 | Weeding composition containing dicamba and quinclorac, and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310539327.1A CN104604869A (en) | 2013-11-04 | 2013-11-04 | Weeding composition containing dicamba and quinclorac, and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104604869A true CN104604869A (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310539327.1A Pending CN104604869A (en) | 2013-11-04 | 2013-11-04 | Weeding composition containing dicamba and quinclorac, and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108605938A (en) * | 2016-12-12 | 2018-10-02 | 沈阳中化农药化工研发有限公司 | A kind of herbicide and its application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19834627A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| CN1517022A (en) * | 2003-01-14 | 2004-08-04 | 沈阳化工研究院 | Herbicide-detoxifying agent composition and its use method and use |
| CN101778564A (en) * | 2007-07-23 | 2010-07-14 | 巴斯夫欧洲公司 | soluble liquid formulations of quinclorac ammonium salts |
-
2013
- 2013-11-04 CN CN201310539327.1A patent/CN104604869A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19834627A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| CN1517022A (en) * | 2003-01-14 | 2004-08-04 | 沈阳化工研究院 | Herbicide-detoxifying agent composition and its use method and use |
| CN101778564A (en) * | 2007-07-23 | 2010-07-14 | 巴斯夫欧洲公司 | soluble liquid formulations of quinclorac ammonium salts |
Non-Patent Citations (2)
| Title |
|---|
| LORA M. FRANETOVIC,ET,AL.: "Quinclorac for Cheat (Bromus secalinus) Control in Winter Wheat (Triticum aestivum)", 《WEED TECHNOLOGY》 * |
| TIMOTHY W. MILLER,ET,AL.,: "Cross-Resistance in and Chemical Control of Auxinic Herbicide-Resistant Yellow Starthistle (Centaurea solstitialis )", 《WEED TECHNOLOGY》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108605938A (en) * | 2016-12-12 | 2018-10-02 | 沈阳中化农药化工研发有限公司 | A kind of herbicide and its application |
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Application publication date: 20150513 |
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