CN102461508A - Mixed herbicide composition containing bispyribac-sodium and butachlor - Google Patents
Mixed herbicide composition containing bispyribac-sodium and butachlor Download PDFInfo
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- CN102461508A CN102461508A CN2010105526015A CN201010552601A CN102461508A CN 102461508 A CN102461508 A CN 102461508A CN 2010105526015 A CN2010105526015 A CN 2010105526015A CN 201010552601 A CN201010552601 A CN 201010552601A CN 102461508 A CN102461508 A CN 102461508A
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- butachlor
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- herbicidal
- careless ethers
- weed
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Abstract
The invention belongs to the field of pesticides, and discloses a mixed herbicide composition containing bispyribac-sodium and butachlor. The herbicide composition adopts the bispyribac-sodium and the butachlor as main active components, the weight ratio of the bispyribac-sodium and the butachlor is 1 to 99:1 to 99, and different surfactants, thickening agents, solvents or solid fillers can be added to the herbicide composition to become a variety of agents, such as emulsifiable concentrate, suspending agents, water-dispersible granules, wettable powder and the like. The herbicide composition can prevent and get rid of 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 ethers and butachlor.This Herbicidal combinations can be used the paddy field postemergence weed control.
Background technology
Two careless ethers have another name called Nong Meili, the salicylic acid Sulfadiazine Compound, and chemical name: 2, two (4, the 6-SDM base-2-oxygen base) Sodium Benzoates of 6-.Belong to phenoxy carboxylic acid herbicides, mainly hindered aminoacid biosynthesis side chain is selective herbicide through the acid of root leaf absorption inhibition vinegar milk is synthetic, uses rice direct-seeding Tanaka, and herbicidal spectrum is wide.Its structural formula is following:
This medicament is to belong to benzoic acid derivative, is highly active ALS inhibitor, and efficient, wide spectrum, consumption are extremely low.Effectively prevent and kill off barnyard grass in paddy field and other grassy weeds, double most of broad leaved weeds, some sedge weeds and the Stam F-34 controlled produces resistance barnyard grass grass.
Butachlor has another name called Machete, and weed eradication is special, Machete, fourth grass lock.Chemical name: N-(fourth oxygen methyl)-α-chloro-α ', 6 '-the diethyl acetanil, structural formula is:
This weed killer herbicide is an amide-type selectivity preemergence herbicide.Main it is synthetic to suppress the body internal protein, makes the enlargement of weeds shoot, deformity through weeds young shoot and immature secondary root absorption, and color depth is green, finally causes death.It is anti-divided by the grassy weed of seed germination, annual nutgrass flatsedge and some annual broadleaf weeds to can be used for paddy field and nonirrigated farmland, like barnyard grass grass, moleplant seed, difformed galingale herb, cyperus iria, needle spikesedge herb etc. good preventive effect is arranged.Monochoria vaginalis, Drilgrass, cusp flower and firefly Lin etc. there is better prevention effect.Perennial weeds such as triangular, the inclined to one side stalk bit of a bridle grass of water, angustifolia arrowhead herb then there is not obvious preventive effect.Have only a small amount of butachlor to be absorbed by rice seedling, and rapidly complete in vivo katabolism, thereby rice seedling has bigger drug-resistant capability.Butachlor stability in soil is little, and is stable to light, can be decomposed by edaphon.Lasting period is 30-40 days, to second stubble crop safety.
At present; Herbicide for paddy field is limit by crop safety; It is also limited to kill the grass spectrum, use the agent of a kind of weed killer herbicide list can not control the generation of paddy field weed completely effectively separately, moreover the weed killer herbicide consumption is excessive or the inhomogeneous residual hazard that also causes easily this season crop or succession crop of dispenser.
Summary of the invention
The present invention is according to the present situation of present paddy field herbicide after seedling; And behind the paddy field seedling weeds a situation arises; Provide a kind of by two careless ethers and the composite binary mixed herbicidal composite of butachlor; This Herbicidal combinations can not only improve the preventive effect of medicament to weeds, and to when stubble and succession crop safety, has reduced peasant's drug cost simultaneously.
The purpose of this invention is to provide a kind of mixed herbicidal composite that contains two careless ethers and butachlor; It is characterized in that this Herbicidal combinations is main active ingredient with two careless ethers and butachlor; The mass ratio of two careless ethers and butachlor is 1～99: 1～99; The mass ratio of preferred two careless ether and butachlor is 1～40: 1～90, and the mass ratio of further preferred two careless ethers and butachlor is 1～30: 1～30, and most preferably mass ratio is 1～10: 1～15.
In mixed herbicidal composite, the two quality percentage composition in Herbicidal combinations of two careless ethers and butachlor is 1～99%, and the preferred mass percentage composition is 10～95%.
In the binary built preparation of two careless ether of the present invention and butachlor; Except two kinds of active ingredients; The auxiliary agent that allows on the agricultural chemicals such as different surfaces activating agent, thickener, solvent or solid packing can also be added, multiple formulations such as missible oil, suspending agent, water dispersion granule, wetting powder can be processed into.
This Herbicidal combinations can delay the weeds resistance with respect to single agent under the prerequisite that has improved drug effect, 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 preparation especially 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 through two kinds of different mechanism, makes weeds resistance generation speed reduce, and greatly improves the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Two careless ethers are broad spectrum weeding agent, and are effective to the part broad leaved weed, and it has good preventive effect to annual gramineous weed, and butachlor is mainly to be the weed killer herbicide of preventing and kill off annual gramineous weed.Both can improve the preventive effect of multiple annual gramineous weed and broad leaved weed and sedge weed, thereby prolong the lasting period of medicament after mixing.
3, safe.Medicament of the present invention is under the prerequisite that has improved drug effect, and its safety to paddy field and succession crop also is improved.
Embodiment
Herbicidal combinations of the present invention is according to the former medicine correlation properties of two careless ethers and butachlor, with and weeder reason etc., can be processed into multiple formulations such as missible oil, suspending agent, water dispersion granule, wetting powder.Two kinds of content of effective in the Herbicidal combinations of the present invention are not limited to the scope in following examples.
Embodiment 1
Two careless ethers 5%, butachlor 20%, calcium dodecyl benzene sulfonate 5%, APES 3%, solvent naphtha supplies 100%, and being mixed with active ingredient quality percentage composition according to the conventional formulation method is 25% missible oil.
Embodiment 2
Two careless ethers 10%; Butachlor 20%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 2%; Water to 100%, being mixed with active ingredient quality percentage composition according to the conventional formulation method is 30% suspending agent.
Embodiment 3
Two careless ethers 20%, butachlor 60%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, polyvinyl alcohol 2%, kaolin to 100%, being mixed with active ingredient quality percentage composition according to the conventional formulation method is 80% water dispersion granule.
Embodiment 4
Two careless ethers 15%, butachlor 40%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, being mixed with active ingredient quality percentage composition according to the conventional formulation method is 55% wetting powder.
Embodiment 5
Two careless ethers 1%, butachlor 9%, calcium dodecyl benzene sulfonate 5%, APES 3%, solvent naphtha supplies 100%, and being mixed with active ingredient quality percentage composition according to the conventional formulation method is 10% missible oil.
Embodiment 6
Two careless ethers 40%, butachlor 20%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, being mixed with active ingredient quality percentage composition according to the conventional formulation method is 60% water dispersion granule.
Embodiment 7
Two careless ethers 5%, butachlor 90%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, being mixed with active ingredient quality percentage composition according to the conventional formulation method is 95% water dispersion granule.
Embodiment 8
Two careless ethers 19%, butachlor 1%, calcium dodecyl benzene sulfonate 5%, APES 3%, solvent naphtha supplies 100%, and being mixed with active ingredient quality percentage composition according to the conventional formulation method is 20% missible oil.
Embodiment 9
The biologicall test experiment
1), indoor active determination test
Utilize the preparation among the embodiment 1～4, measure its co-toxicity coefficient the barnyard grass grass.
Test method: the seed of quantitative barnyard grass grass is seeded in respectively in the Disposable paper cup of 9cm, sows 10～15 seeds in every glass, in illumination box, cultivate, broadcast back 3d, do the enterprising capable soil spraying of composition spray in crawler type and handle.Handle in the greenhouse, back and continue to cultivate, each handles the preventive effect to weeds routine observation, and each weeds fresh weight after handling of weighing behind the 30d is pressed the method for nineteen sixty propositions such as Sun Yunpei, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient shows that greater than 100 two kinds of active principles have synergistic effect, and co-toxicity coefficient shows that less than 100 two kinds of active principles have antagonism.Mensuration result is as shown in table 1.
The indoor determination of activity result of table 1
Can find out that from last table the co-toxicity coefficient after two kinds of active principles are composite explains that all greater than 100 the present invention has obvious synergistic effect.
2) field control effectiveness test of combinations of herbicides of the present invention.
Supply the reagent agent:
Re-compounded binary herbicide among among the embodiment 1～4 4.
The contrast medicament:
The two careless ether suspending agents (commercially available) of 100 grams per liters, 50% butachlor ec (commercially available).
Confession studies thing: paddy rice
The paddy rice seedling grows fine, and robust plant does not have other damage by disease and insect.
Prevent and kill off object:
Grassy weed, broad leaved weed and sedge weeds such as barnyard grass grass, moleplant seed, difformed galingale herb, needle spikesedge herb, short arrowhead, mexicana, four Ye Ping.
Test method:
According to the area of experimental plot, the accurate good various medicaments of weighing, and after converting the water dilution, carry out pesticide-clay mixture and use.When using, note medicament is evenly sprayed application in the experimental plot, accomplishing does not have to leak the phenomenon of spreading, spreading more.
After the test respectively behind medicine 20d, 40d observe the weeds death condition, and the activity of weeding of more various medicaments.In addition, also to behind medicine, observe the condition of production of crop in 1～15d, whether crop had poisoning to investigate medicament.
Embodiments of the invention preparation weeding test effect see the following form (40d behind the medicine)
Medicament is to the security survey result of crop
More than handle the equal safety of paddy rice.
Claims (10)
1. a mixed herbicidal composite that contains two careless ethers and butachlor is characterized in that this Herbicidal combinations is main active ingredient with two careless ethers and butachlor, and the mass ratio of two careless ethers and butachlor is 1～99: 1～99.
2. mixed herbicidal composite according to claim 1 is characterized in that in this Herbicidal combinations that the mass ratio of two careless ethers and butachlor is 1～40: 1～90.
3. mixed herbicidal composite according to claim 2 is characterized in that in this Herbicidal combinations that the mass ratio of two careless ethers and butachlor is 1～30: 1～30.
4. mixed herbicidal composite according to claim 3 is characterized in that in this Herbicidal combinations that the mass ratio of two careless ethers and butachlor is 1～10: 1～15.
5. mixed herbicidal composite according to claim 1 is characterized in that two careless ethers and the two quality percentage composition in Herbicidal combinations of butachlor are 1～99%.
6. mixed herbicidal composite according to claim 5 is characterized in that two careless ethers and the two quality percentage composition in Herbicidal combinations of butachlor are 10～95%.
7. mixed herbicidal composite according to claim 1 is characterized in that it is that the auxiliary agent that allows on main active ingredient and the agricultural chemicals is mixed with any one formulation with two careless ethers and butachlor.
8. mixed herbicidal composite according to claim 7 is characterized in that described formulation is wetting powder, water dispersible granules, missible oil or suspending agent.
9. the application of the described mixed herbicidal composite of claim 1 in the weed killer herbicide of preparation paddy field postemergence weed control.
10. the described mixed herbicidal composite of claim 1 is prevented and kill off the application in the weed killer herbicide of grassy weed in the paddy field, broad leaved weed and sedge weed in preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105526015A CN102461508A (en) | 2010-11-19 | 2010-11-19 | Mixed herbicide composition containing bispyribac-sodium and butachlor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105526015A CN102461508A (en) | 2010-11-19 | 2010-11-19 | Mixed herbicide composition containing bispyribac-sodium and butachlor |
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| Publication Number | Publication Date |
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| CN102461508A true CN102461508A (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105526015A Pending CN102461508A (en) | 2010-11-19 | 2010-11-19 | Mixed herbicide composition containing bispyribac-sodium and butachlor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103493815A (en) * | 2013-09-26 | 2014-01-08 | 江苏省农业科学院 | Pesticide combination containing bispyribac-sodium and diflufenican and application of pesticide combination |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2813900B2 (en) * | 1989-09-28 | 1998-10-22 | クミアイ化学工業株式会社 | Herbicide composition |
| DE19834627A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| WO2003000058A1 (en) * | 2001-06-21 | 2003-01-03 | Bayer Cropscience Ag | Selective herbicides based on pyrimidine derivatives |
| EP1221844B1 (en) * | 1999-10-06 | 2004-08-18 | Bayer CropScience AG | Selective herbicides based on pyrimidine-derivatives |
| JP2005239635A (en) * | 2004-02-26 | 2005-09-08 | Nissan Chem Ind Ltd | Weeding method in paddy rice cultivation by direct sowing on dry rice field |
-
2010
- 2010-11-19 CN CN2010105526015A patent/CN102461508A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2813900B2 (en) * | 1989-09-28 | 1998-10-22 | クミアイ化学工業株式会社 | Herbicide composition |
| DE19834627A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| EP1221844B1 (en) * | 1999-10-06 | 2004-08-18 | Bayer CropScience AG | Selective herbicides based on pyrimidine-derivatives |
| WO2003000058A1 (en) * | 2001-06-21 | 2003-01-03 | Bayer Cropscience Ag | Selective herbicides based on pyrimidine derivatives |
| JP2005239635A (en) * | 2004-02-26 | 2005-09-08 | Nissan Chem Ind Ltd | Weeding method in paddy rice cultivation by direct sowing on dry rice field |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103493815A (en) * | 2013-09-26 | 2014-01-08 | 江苏省农业科学院 | Pesticide combination containing bispyribac-sodium and diflufenican and application of pesticide combination |
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Application publication date: 20120523 |