CN102461506B - Mixed herbicide composition containing bispyribac-sodium and pyriminobac-methyl - Google Patents
Mixed herbicide composition containing bispyribac-sodium and pyriminobac-methyl Download PDFInfo
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- CN102461506B CN102461506B CN201010552242.3A CN201010552242A CN102461506B CN 102461506 B CN102461506 B CN 102461506B CN 201010552242 A CN201010552242 A CN 201010552242A CN 102461506 B CN102461506 B CN 102461506B
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Abstract
The invention belongs to the field of pesticides, and relates to a mixed herbicide composition containing bispyribac-sodium and pyriminobac-methyl. The herbicide composition adopts the bispyribac-sodium and the pyriminobac-methyl as main active components, the weight ratio of the bispyribac-sodium and the pyriminobac-methyl is 1 to 99:1 to 99. The herbicide composition can prevent and get rid of annual gramineous weeds, broadleaf weeds and cyperaceous weeds in paddy fields, and compared with single agents, the herbicide composition delays the resistance of weeds under the premise that the pesticide effect is enhanced, has a broad weeding spectrum and long persistence, is safe for rice and next-stubble crops, and therefore is an ideal paddy field herbicide.
Description
Technical field
The invention belongs to pesticide field, weed killer herbicide field especially, relates to the mixed herbicidal composite of two careless ether and KIH 6127.This Herbicidal combinations can be applied paddy field postemergence weed control.
Background technology
Two careless ether, has another name called Nong Meili, salicylic acid Sulfadiazine Compound, two (4, the 6-SDM base-2-oxygen base) Sodium Benzoates of chemical name: 2,6-.Belong to phenoxy carboxylic acid herbicides, mainly by the acid of root leaf absorption inhibition vinegar milk is synthetic, hindered aminoacid biosynthesis side chain is selective herbicide, rice direct-seeding Tanaka, uses, and herbicidal spectrum is wide.Its structural formula is as follows:
KIH 6127, has another name called Bi Libi energy.Chemical name: 2-[(4,6-dimethoxypyridin-2-yl) oxygen]-6-[1-(N-methoxyimino) ethyl] methyl benzoate, structural formula is:
This weed killer herbicide is that a kind of inner sucting conduction type specialty that Japanese combinatorial chemistry is researched and developed is recently removed barnyard grass agent, belong to pyrimidinylthiobenzoate herbicides, it can pass through cauline leaf and the root absorption of weeds, and conduct to rapidly complete stool, suppress acetolactate synthestase (ALS) and amino acid whose biosynthesis, thereby suppress and hinder the cell division in weeds body, weeds are stopped growing, finally making weeds albefaction and withered.
At present, herbicide for paddy field is limit by crop safety, herbicide spectrum is also limited, uses separately a kind of weed killer herbicide single dose can not control completely effectively the generation of paddy field weed, moreover weed killer herbicide consumption is excessive or dispenser is inhomogeneous also easily causes the residual hazard to this season crop or succession crop.Therefore, the present invention selects the two careless ether of pluses and minuses complementation and KIH 6127 to be made into combination agent use, has so both reduced the consumption of medicament, has obviously improved herbicidal effect, has also avoided this season to make deposits yields poisoning and the possibility to succession crop generation residual hazard.
Summary of the invention
The present invention is according to the present situation of current paddy field herbicide after seedling, and after paddy field seedling weeds a situation arises, provide a kind of by two careless ether and the composite binary mixed herbicidal composite of KIH 6127, this Herbicidal combinations can not only improve the preventive effect to weeds, and to when stubble and succession crop safety, reduced peasant's drug cost simultaneously.
The object of this invention is to provide a kind of mixed herbicidal composite containing two careless ether and KIH 6127, it is characterized in that it is main active ingredient that this Herbicidal combinations be take two careless ether and KIH 6127, the mass ratio of two careless ether and KIH 6127 is 1～99: 1～99, the mass ratio of preferably two careless ether and KIH 6127 is 1～50: 1～60, further the mass ratio of preferably two careless ether and KIH 6127 is 1～30: 1～40, and most preferably the mass ratio of two careless ether and KIH 6127 is 1～10: 1～20.
In mixed herbicidal composite, the two quality percentage composition in Herbicidal combinations of two careless ether and KIH 6127 is 1～85%, and preferred mass percentage composition is 10～80%.
In the binary built preparation of two careless ether of the present invention and KIH 6127, except two kinds of active ingredients, the auxiliary agent allowing on the agricultural chemicals such as different surfaces activating agent, thickener, solvent or solid packing can also be added, the multiple formulations such as missible oil, suspending agent, water dispersion granule, wetting powder can be processed into.
This Herbicidal combinations can delay Weed Resistance with respect to single dose having improved under the prerequisite of drug effect, and herbicidal spectrum is wide, and the lasting period is long, enough prevents and kill off paddy field annual gramineous weed, broad leaved weed and sedge weed, and to paddy rice and second stubble crop safety.Herbicidal combinations of the present invention can be used for preparing the weed killer herbicide of paddy field postemergence weed control, can be used in especially preparation and prevent and kill off the weed killer herbicide of various annual weed and perennial weed, especially can prepare the weed killer herbicide of preventing and kill off grassy weed, broad leaved weed and sedge 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 Reduction, greatly improves removing activity.
2, herbicidal spectrum is wide, and the lasting period is long.Two careless ether is broad spectrum weeding agent, and it has good preventive effect to annual gramineous weed, and KIH 6127 is to be mainly the weed killer herbicide of preventing and kill off annual gramineous weed.Both can improve the preventive effect of preventive effect, particularly annual gramineous weed, broad leaved weed and the sedge weed of grassy weed, broad leaved weed and sedge weed, thereby extend the lasting period of medicament after mixing.
3, safe.Medicament of the present invention is improving under the prerequisite of drug effect, and its safety to paddy field and succession crop is also improved.
Embodiment
Herbicidal combinations of the present invention is according to the former medicine correlation properties of two careless ether and KIH 6127, with and mechanisms etc., can be processed into the multiple formulations such as missible oil, suspending agent, water dispersion granule, wetting powder.The content of two kinds of active ingredients in Herbicidal combinations of the present invention does not limit to the scope in following examples.
Embodiment 1
Two careless ether 5%, KIH 6127 5%, calcium dodecyl benzene sulfonate 5%, alkylphenol polyoxyethylene 3%, solvent naphtha supplies 100%, according to conventional formulation method, is mixed with the missible oil that active ingredient quality percentage composition is 10%.
Embodiment 2
Two careless ether 10%, KIH 6127 10%, methyl naphthalene sulfonate formaldehyde condensate 6%, polyoxyethylene nonylphenol ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 2%, water to 100%, is mixed with according to conventional formulation method the suspending agent that active ingredient quality percentage composition is 20%.
Embodiment 3
Two careless ether 20%, KIH 6127 10%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, polyvinyl alcohol 2%, kaolin to 100%, is mixed with according to conventional formulation method the water dispersion granule that active ingredient quality percentage composition is 30%.
Embodiment 4
Two careless ether 10%, KIH 6127 10%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, is mixed with 20% wetting powder.
Embodiment 5
Two careless ether 5%, KIH 6127 75%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, is mixed with according to conventional formulation method the water dispersion granule that active ingredient quality percentage composition is 80%.
Embodiment 6
Two careless ether 1%, KIH 6127 24%, calcium dodecyl benzene sulfonate 5%, alkylphenol polyoxyethylene 3%, solvent naphtha supplies 100%, according to conventional formulation method, is mixed with the missible oil that active ingredient quality percentage composition is 25%.
Embodiment 7
Two careless ether 40%, KIH 6127 10%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, is mixed with according to conventional formulation method the wetting powder that active ingredient quality percentage composition is 50%.
Embodiment 8
Two careless ether 14%, KIH 6127 1%, calcium dodecyl benzene sulfonate 5%, alkylphenol polyoxyethylene 3%, solvent naphtha supplies 100%, according to conventional formulation method, is mixed with the missible oil that active ingredient quality percentage composition is 15%.
Embodiment 9
Biologicall test experiment
1), toxicity determination test
Utilize the preparation in embodiment 1～4, measure its co-toxicity coefficient to barnyard grass.
Test method: the seed of quantitative barnyard grass is seeded in respectively in the Disposable paper cup of 9cm, sows 10～15 seeds in every glass, cultivate in illumination box, broadcast rear 3d, do to carry out soil spraying on composition spray in crawler type and process.After processing, in greenhouse, continue cultivation, each processes the preventive effect to weeds routine observation, weighs the weeds fresh weight after each processing after 30d, by the method that the nineteen sixties such as Sun Yunpei propose, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is greater than 100, shows that two kinds of active principles have synergistic effect, and 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 of combinations of herbicides of the present invention.
Reagent agent:
4 kinds of re-compounded binary herbicides in embodiment 1～4.
Contrast medicament:
The two careless ether suspending agents (commercially available) of 100 grams per liters, 10% KIH 6127 wetting powder (commercially available).
For studying thing: paddy rice
Rice seedlings grows fine, and robust plant, without other damage by disease and insect.
Prevent and kill off object:
Grassy weed, broad leaved weed and the sedge weeds such as barnyard grass, moleplant seed, difformed galingale herb, needle spikesedge herb, short arrowhead, mexicana.
Test method:
According to the area of experimental plot, accurately weigh good various medicaments, and be watered after dilution, utilize knapsack sprayer, carry out even spraying, the Fan spray head of sprinkler selection weed killer herbicide special use.During spraying, note liquid evenly to spray application in experimental plot the phenomenon of accomplishing there is no drain spray, spraying more.
After test, after medicine, 20d, 40d observe weeds death condition respectively, and the activity of weeding of more various medicaments.In addition, also to after medicine, in 1～15d, observe the condition of production of crop, to investigate medicament, whether crop be had to poisoning.
Embodiments of the invention preparation weeding test effect see the following form (40d after medicine)
The security survey result of medicament to crop
More than process the equal safety of paddy rice.
Claims (7)
1. containing a mixed herbicidal composite for two careless ether and KIH 6127, it is characterized in that it is active ingredient that this Herbicidal combinations be take two careless ether and KIH 6127, the mass ratio of two careless ether and KIH 6127 is 1:1～2:1.
2. mixed herbicidal composite according to claim 1, is characterized in that the two quality percentage composition in Herbicidal combinations of two careless ether and KIH 6127 is 1～85%.
3. mixed herbicidal composite according to claim 2, is characterized in that the two quality percentage composition in Herbicidal combinations of two careless ether and KIH 6127 is 10～80%.
4. according to the mixed herbicidal composite described in claim 1, it is characterized in that it take the auxiliary agent that two careless ether and KIH 6127 allow on active ingredient and agricultural chemicals and be mixed with any one formulation.
5. mixed herbicidal composite according to claim 4, is characterized in that described formulation is wetting powder, water dispersible granules, missible oil or suspending agent.
6. the application of mixed herbicidal composite claimed in claim 1 in the weed killer herbicide of preparing paddy field postemergence weed control.
7. mixed herbicidal composite claimed in claim 1 is prevented and kill off the application in the weed killer herbicide of annual gramineous weed in paddy field, broad leaved weed and sedge weed in preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010552242.3A CN102461506B (en) | 2010-11-19 | 2010-11-19 | Mixed herbicide composition containing bispyribac-sodium and pyriminobac-methyl |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010552242.3A CN102461506B (en) | 2010-11-19 | 2010-11-19 | Mixed herbicide composition containing bispyribac-sodium and pyriminobac-methyl |
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| Publication Number | Publication Date |
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| CN102461506A CN102461506A (en) | 2012-05-23 |
| CN102461506B true CN102461506B (en) | 2014-04-16 |
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| CN201010552242.3A Active CN102461506B (en) | 2010-11-19 | 2010-11-19 | Mixed herbicide composition containing bispyribac-sodium and pyriminobac-methyl |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102228026B (en) * | 2011-05-25 | 2014-11-12 | 陕西韦尔奇作物保护有限公司 | Weeding composition containing bispyribac-sodium and pyrimidinyloxy (thio) benzoates |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1457641A (en) * | 2002-05-13 | 2003-11-26 | 陈丰喜 | Built herbicide for rice field |
| CN101084750A (en) * | 2007-07-12 | 2007-12-12 | 徐开云 | Synergistic herbicide |
| CN101115389A (en) * | 2005-02-04 | 2008-01-30 | 辛根塔参与股份公司 | Process for the control of undesired plant growth in rice |
| US20090298693A1 (en) * | 2008-04-25 | 2009-12-03 | Koschnick Tyler J | Control of aquatic weeds with endothall and als-inhibiting agent |
-
2010
- 2010-11-19 CN CN201010552242.3A patent/CN102461506B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1457641A (en) * | 2002-05-13 | 2003-11-26 | 陈丰喜 | Built herbicide for rice field |
| CN101115389A (en) * | 2005-02-04 | 2008-01-30 | 辛根塔参与股份公司 | Process for the control of undesired plant growth in rice |
| CN101084750A (en) * | 2007-07-12 | 2007-12-12 | 徐开云 | Synergistic herbicide |
| US20090298693A1 (en) * | 2008-04-25 | 2009-12-03 | Koschnick Tyler J | Control of aquatic weeds with endothall and als-inhibiting agent |
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| CN102461506A (en) | 2012-05-23 |
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