CN102461546B - Mixed herbicide composition containing bispyribac-sodium and flucetosulfuron - Google Patents
Mixed herbicide composition containing bispyribac-sodium and flucetosulfuron Download PDFInfo
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- CN102461546B CN102461546B CN201010552686.7A CN201010552686A CN102461546B CN 102461546 B CN102461546 B CN 102461546B CN 201010552686 A CN201010552686 A CN 201010552686A CN 102461546 B CN102461546 B CN 102461546B
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Abstract
The invention relates to a mixed herbicide composition containing bispyribac-sodium and flucetosulfuron, belonging to the field of pesticide. The herbicide composition takes the bispyribac-sodium and the flucetosulfuron as main effective ingredients; and a mass ratio of the ispyribac-sodium and the flucetosulfuron is 1-99:1-99. Different surfactants, thickening agents, solvents or solid filler and the like can be added to, the herbicide composition so as to be processed into a plurality of dosage forms such as missible oil, suspending agent, water dispersible granule, wettable powder and the like. The herbicide composition can prevent and eliminate gramineae weeds, sedge weeds and broadleaf weeds in paddy fields; compared with a single agent, under the premise of improving the drug effect, the herbicide composition delays resistibility of the weeds, has a wide weeding spectrum and a long lasting period, is safe to rice and succeeding crops, and is an ideal herbicide for the paddy fields.
Description
Technical field
The invention belongs to pesticide field, especially weed killer herbicide field, relates to a kind of mixed herbicidal composite containing two careless ether and flucetosulfuron, and this Herbicidal combinations thing 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:
Flucetosulfuron, has another name called Han Lefu.Chemical name: 1-(4,6-dimethyl pyrimidine-2-yl) the fluoro-1-of-3-[2-(methoxyl group acetoxyl group) propyl group-3-pyridine sulfonyl] urea, structural formula is:
This weed killer herbicide is mainly to suppress acetolactate synthestase, is mainly used in the sulfonylurea herbicide that multiple annual weed is prevented and kill off in rice seedlings post processing, is mainly used in the control of the multiple annual weed in transplanted rice field, live field.For rice seedlings post processing, prevent and kill off multiple annual weed.
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 flucetosulfuron to be made into combination agent use, so both reduce the consumption of medicament, obviously improved herbicidal effect, and 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 flucetosulfuron, this Herbicidal combinations thing can not only improve the preventive effect of medicament 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 flucetosulfuron, it is characterized in that it is main active ingredient that this Herbicidal combinations be take two careless ether and flucetosulfuron, the mass ratio of two careless ether and flucetosulfuron is 1～99: 1～99.The mass ratio of preferably two careless ether and flucetosulfuron is 1～60: 1～60, and the mass ratio of preferably two careless ether and flucetosulfuron is 1～40: 1～40, and most preferably mass ratio is 1～10: 1～10.
In mixed herbicidal composite, the two quality percentage composition in Herbicidal combinations of two careless ether and flucetosulfuron 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 flucetosulfuron, except two kinds of active ingredients, can also add the auxiliary agent allowing on the agricultural chemicals such as different surfaces activating agent, thickener, solvent or solid packing, be processed into the multiple formulations such as missible oil, suspending agent, water dispersion granule, wetting powder.
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 thing 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 flucetosulfuron is to be mainly the weed killer herbicide of preventing and kill off multiple annual weed.Both can improve the preventive effect, particularly annual gramineous weed of multiple grassy weed and broad leaved weed and sedge weed and the preventive effect of 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 flucetosulfuron, 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 thing of the present invention does not limit to the scope in following examples.
Embodiment 1
Two careless ether 5%, flucetosulfuron 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%, flucetosulfuron 5%, 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 15%.
Embodiment 3
Two careless ether 20%, flucetosulfuron 40%, 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 60%.
Embodiment 4
Two careless ether 15%, flucetosulfuron 20%, 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 35%.
Embodiment 5
Two careless ether 5%, flucetosulfuron 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%, flucetosulfuron 9%, 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 7
Two careless ether 40%, flucetosulfuron 20%, 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 60%.
Embodiment 8
Two careless ether 14%, flucetosulfuron 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 Herbicidal combinations 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% flucetosulfuron 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, four Ye Ping.
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 (6)
1. containing a mixed herbicidal composite for two careless ether and flucetosulfuron, it is characterized in that it is active ingredient that this Herbicidal combinations be take two careless ether and flucetosulfuron, this mixed herbicidal composite is:
Two careless ether 5%, flucetosulfuron 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%.
2. containing a mixed herbicidal composite for two careless ether and flucetosulfuron, it is characterized in that it is active ingredient that this Herbicidal combinations be take two careless ether and flucetosulfuron, this mixed herbicidal composite is:
Two careless ether 10%, flucetosulfuron 5%, 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 15%.
3. the mixed herbicidal composite containing two careless ether and flucetosulfuron, it is characterized in that it is active ingredient that this Herbicidal combinations be take two careless ether and flucetosulfuron, this mixed herbicidal composite is: two careless ether 20%, flucetosulfuron 40%, di-2-ethylhexylphosphine oxide bitter edible plant sodium 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 60%.
4. the mixed herbicidal composite containing two careless ether and flucetosulfuron, it is characterized in that it is active ingredient that this Herbicidal combinations be take two careless ether and flucetosulfuron, this mixed herbicidal composite is: two careless ether 15%, flucetosulfuron 20%, di-2-ethylhexylphosphine oxide bitter edible plant sodium 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 35%.
5. the application of the mixed herbicidal composite described in claim 1,2,3 or 4 in the weed killer herbicide of preparing paddy field postemergence weed control.
6. the mixed herbicidal composite described in claim 1,2,3 or 4 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010552686.7A CN102461546B (en) | 2010-11-19 | 2010-11-19 | Mixed herbicide composition containing bispyribac-sodium and flucetosulfuron |
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| CN201010552686.7A CN102461546B (en) | 2010-11-19 | 2010-11-19 | Mixed herbicide composition containing bispyribac-sodium and flucetosulfuron |
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| CN102461546A CN102461546A (en) | 2012-05-23 |
| CN102461546B true CN102461546B (en) | 2014-04-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102334479A (en) * | 2011-06-02 | 2012-02-01 | 陕西韦尔奇作物保护有限公司 | Herbicidal composition containing bispyribac-sodium and sulfonylureas |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5186734A (en) * | 1990-09-22 | 1993-02-16 | Bayer Aktiengesellschaft | Herbicidal bisazinyl compounds |
| CN1247703A (en) * | 1998-07-08 | 2000-03-22 | 罗纳-普朗克农业公司 | Novel herbicide composition |
| CN101102671A (en) * | 2004-12-17 | 2008-01-09 | 株式会社Lg生命科学 | Synergistic herbicidal compositions |
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2010
- 2010-11-19 CN CN201010552686.7A patent/CN102461546B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5186734A (en) * | 1990-09-22 | 1993-02-16 | Bayer Aktiengesellschaft | Herbicidal bisazinyl compounds |
| CN1247703A (en) * | 1998-07-08 | 2000-03-22 | 罗纳-普朗克农业公司 | Novel herbicide composition |
| CN101102671A (en) * | 2004-12-17 | 2008-01-09 | 株式会社Lg生命科学 | Synergistic herbicidal compositions |
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