CN101485319A - Herbicidal composition containing oxadiazon and butralin - Google Patents
Herbicidal composition containing oxadiazon and butralin Download PDFInfo
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- CN101485319A CN101485319A CNA2009100142374A CN200910014237A CN101485319A CN 101485319 A CN101485319 A CN 101485319A CN A2009100142374 A CNA2009100142374 A CN A2009100142374A CN 200910014237 A CN200910014237 A CN 200910014237A CN 101485319 A CN101485319 A CN 101485319A
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- oxadiazon
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Abstract
The invention relates to a weeding composition, which is characterized by comprising oxadiazon and butralin as active components, wherein the weight ratio of the oxadiazon to the butralin is 1:0.5-50; and the active components are prepared into pesticides such as missible oil, powder, suspending agents, and the like which contains 1 to 90 percent of active components by adopting a general preparation method. The weeding composition has a reasonable formulation, is applicable to various farm crops, in particular to peanut fields, has higher preventive effect on monogenus and dicotyledonous weeds than the prospective preventive effect of mixed use thereof, has obvious synergism, simultaneously the preparation method is simple, the application is convenient, the cost is reduced, and the generation of weed drug resistance and weed community succession is retarded and controlled. The weeding composition is the perfect herbicide for the monogenus and dicotyledonous weeds for the current peanut fields.
Description
Technical field:
The invention belongs to pesticide field, relate to a kind of herbicidal composition, it contains the active component that You Evil humulone and butralin combine, and mainly is applied to the peanut field and broadcasts weeding before the seedling of back.
Background technology:
Peanut is the main oil crop of China, and along with the adjustment of the structure of agricultural production, cultivated area enlarges year by year, because suitable factors such as weather, cropping systems, crop smothering over the years is serious.The harm of weeds, influence have an acupuncture treatment after peanut is bloomed, bury, the result, cause the underproduction in various degree at last.The weeding of applied chemistry medicament is the effective means of preventing and kill off farmland weed, but at present because the long-term weed killer herbicides such as butachlor, Acetochlor that use, and causes that weeds develop immunity to drugs, changing of ruderal species mass-sending, and herbicidal effect descends year by year.In order to address these problems, be badly in need of research and development in the production to peanut safety, to weeds novel herbicide kind efficiently, in order to substitute Acetochlor.Evil humulone Shi oxadiazole ketone weed killer herbicide, have another name called Lonster, farming think it etc., english common name: oxadiazon, chemical name is the 5-tert-butyl group-3-(2,4-two chloro-5-o-phenyl-isopropyls)-1,3,4-oxadiazole quinoline-2-ketone, can be used for crop fields such as peanut, cotton, paddy rice, all can use in early days before the weeds seedling and behind the seedling.Can effectively prevent and kill off monocotyledon weeds such as broadleaf weeds such as kitchen garden, piemarker, Amaranthus retroflexus, lamb's-quarters, pharbitis nilChoisy, Pharbitis purpurea, Siberian cocklebur, black nightshade, acalypha copperleaf and lady's-grass, but the effect that it prevents and kill off monocotyledon weed is starkly lower than the effect to dicotyledonous leaf weeds.Butralin is a nitroaniline herbicide, have another name called Amex820, English common name: dibutalin, chemical name is N-sec-butyl-4-tertiary butyl-2, and the 6-dinitroaniline is Herbicidal agent before the selectivity bud, its effect is similar to trefanocide, after medicament enters plant corpus, mainly suppress merismatic cell division, thereby suppress weeds young shoot and young root growth.Be applicable to that crop Tanakas such as soybean, cotton, paddy rice, corn, sunflower, potato, peanut, watermelon, beet, sugarcane and vegetables prevent and kill off barnyard grass grass, eleusine indica, lady's-grass, 1 year living monocotyledon weed such as green foxtail and part broadleaf weed, but the preventive effect of broadleaf weed is starkly lower than preventive effect to monocotyledon weed.Therefore, need the weed killer herbicide of development, and the synergistic complex of agricultural chemicals is the control spectrum that enlarges agricultural chemicals, improves drug effect and delay the drug-fast effective ways of weeds to the control of weeds better effects if.
Summary of the invention:
Technical problem:
For solving the problems of the technologies described above, the invention provides a kind of Han oxadiazon and butralin Herbicidal combinations as active component, kill the grass spectrum in order to enlarge, reduce dosing, slow down the weeds pesticide resistance, reduce labour intensity.
Technical scheme:
Specifically, the present composition contains You imitates Cheng Fen Evil humulone and butralin, and the weight ratio Wei Evil humulone of wherein said active component: butralin is 1:0.5～50, and preferably both weight ratios are 1:1～10, and most preferred both weight ratios are 1:3～6.The weight percentage of active component in Herbicidal combinations is 1～90%, preferably 30～80%.
Peanut field weeding composition of the present invention has good Herbicidal synergistic activity.
The present invention's combination can convert conventional formulation such as missible oil, microemulsion, dispersibility granula, suspension emulsion, oil-suspending agent, aqueous suspension agent to, do outstanding agent, aqua, wetting powder, soluble powder, granule and sustained release agent.
Administration form depends on specific use; In all cases, must guarantee that their dispersion is trickle as much as possible and even.
These preparations can prepare in a known manner, for example by reactive compound is mixed with solvent and/or carrier, if desired, adopt emulsifier and dispersant to fill, if use water as thinner, also can make cosolvent with other organic solvent.
The cosolvent that is suitable for this purpose mainly is: in emulsifier, synergist, stabilizing agent, dispersant, wetting agent, bleeding agent, spreader-sticker, antifreezing agent, the water a kind of, two kinds, three kinds, four kinds, five kinds or six kinds.The amount of auxiliary agent is 5～40 weight portions.The said solvent of the present invention is toluene, dimethylbenzene, methyl-sulfoxide, acetone, N, a kind of in dinethylformamide, butanone, cyclohexanone, pyrrolidone, methyl alcohol, isopropyl alcohol, butanols, ethylene glycol, ethyl acetate, butyl acetate, acetonitrile, oxolane, machine oil, the vegetable oil or two kinds.Quantity of solvent is 5～70 weight portions.
The said carrier of the present invention is a kind of in water, bentonite, diatomite, kaolin, talcum, clay, mica, zeolite, pyrophillite, white carbon, precipitated calcium carbonate, rice husk, the phosphorus mud etc.The amount of carrier is 5～70 weight portions.
The said surfactant as emulsifier of the present invention is the common non-ionic surface active agent or the single agent or the complex preparation of cationic surfactant or anion surfactant.Wherein ionic surfactant pack is drawn together: alkylphenol polyoxyethylene, alkyl phenol polyethenoxy ether, benzylphenol polyvinyl chloride ether, phenethyl polyvinyl chloride polyethenoxy ether, fatty acid oxirane ester, sorbitan fatty acid ester etc.Cationic surfactant comprises: fatty amine salt, fat primary amine salt, fatty primary secondary amine salt etc.Anion surfactant comprises: alkyl benzene calcium sulfonate, alkyl sulfonic acid calcium, fatty alcohol-polyoxyethylene ether calcium sulphate, phenethyl phenol polyethenoxy ether sulfate, alkyl polyoxyethylene ether phosphate etc.The amount of emulsifier is 5～35 weight portions.
The synergist that the present invention adopts comprises methylating of plant oil or ethylating vegetable oil, as methylate or ethylating soybean oil, rapeseed oil, sunflower oil, peanut oil, peanut seed wet goods, any and positive structure, isomery alcohol or carbon carbon 3～6 are the compound that 2～5 diol reaction generates in these six kinds of the lauric acid of fatty acid ester, myristic acid, palmitic acid, oleic acid, linoleic acid.The bleeding agent that adopts is azone or thiophene ketone.The consumption of synergist or bleeding agent accounts for 0.1～30 weight portion in composition.
Beneficial effect:
Compared with the prior art the present invention has following advantage:
1, broad weed-killing spectrum.The Evil humulone has good preventive effect to broadleaf weed, and is slightly poor to the preventive effect of monocotyledon weed, and butralin is better than the preventive effect of broadleaf weed to the monocotyledon weed preventive effect, and both have complementary advantages at the back that is mixed, and have enlarged and have killed the grass spectrum, can prevent and kill off all weeds of peanut field substantially.
2, safe.The Evil humulone of Ben Faming and the herbicidal composition of butralin be degraded easily in plant corpus, to peanut safety, has no side effect; Residual life, lack in soil, to succession crop safety.
3, synergistic effect is remarkable.Evil humulone and butralin all belong to synergistic effect in the present invention recommends ratio range.
4, the weeds pesticide resistance delays.Evil humulone and butralin belong to two class weed killer herbicides, effect characteristics difference, and weeds are difficult for developing immunity to drugs; Kill the grass spectrum owing to enlarged, the anti-generation that has also delayed the weed community succession except the most weeds in field.
Embodiment
Example of formulations
The present invention describes with the following example, but does not limit the present invention.
Example of formulations 1:50% missible oil
Composition percentage by weight (%)
Evil humulone 5
Butralin 45
Farming breast 1600
#10
Sodium alkyl benzene sulfonate 10
Butanols 30
Above-mentioned various materials are added in the reactor successively, under stirring condition, it is fully mixed, be crushed to certain fineness and can obtain 50% Evil humulone butralin missible oil (1:9) herbicidal composition finished product.
Example of formulations 2:35% missible oil
Composition percentage by weight (%)
Evil humulone 5
Butralin 30
Farming breast 1600
#10
Sodium alkyl benzene sulfonate 25
Butanols 30
Above-mentioned various materials are added in the reactor successively, under stirring condition, it is fully mixed, be crushed to certain fineness and can obtain 35% Evil humulone butralin missible oil (1:6) herbicidal composition finished product.
Example of formulations 3:60% aqueous suspension agent
Composition percentage by weight (%)
Evil humulone 15
Butralin 45
Farming breast 600
#6
Neopelex 9
Palmitic acid 2
Water 23
Above-mentioned various compositions are mixed, in sand mill, be ground to the active ingredient particle diameter, sample examination, qualified 60% Evil humulone butralin aqueous suspension agent (1:3) the herbicidal composition finished product that promptly gets of every index less than 3 μ m.
Example of formulations 4:70% wetting powder
Composition percentage by weight (%)
Evil humulone 35
Butralin 35
Calcium dodecyl benzene sulfonate 8
Lignin sodium sulphate 10
Bentonite 12
Above-mentioned various compositions are added in the reactor successively, stir, it is fully mixed, be crushed to certain fineness and promptly get 70% Evil humulone butralin wetting powder (1:1) herbicidal composition finished product.
Example of formulations 5:60% wetting powder
Composition percentage by weight (%)
Evil humulone 45
Butralin 15
Calcium dodecyl benzene sulfonate 8
Lignin sodium sulphate 20
Bentonite 12
Above-mentioned various compositions are added in the reactor successively, stir, it is fully mixed, be crushed to certain fineness and promptly get 60% Evil humulone butralin wetting powder (3:1) herbicidal composition finished product.
Example of formulations 6:56% does outstanding agent
Composition percentage by weight (%)
Evil humulone 8
Butralin 48
Sodium lignin sulfonate 5
Kaolin 29
Disintegrant 10
Above-mentioned various compositions are mixed, grind, mix suitable quantity of water and mist projection granulating, drying gets final product to such an extent that 56% oxadiazon butralin is done outstanding agent (1:6) herbicidal composition finished product.
Example of formulations 7:56% aqueous suspension agent
Composition percentage by weight (%)
Evil humulone 8
Butralin 48
Farming breast 600
#6
Neopelex 13
Palmitic acid 2
Water 23
Above-mentioned various compositions are mixed, in sand mill, be ground to the active ingredient particle diameter, sample examination, qualified 56% Evil humulone butralin aqueous suspension agent (1:6) the herbicidal composition finished product that promptly gets of every index less than 3 μ m.
Biological activity determination embodiment
1, for the examination weed killer herbicide
25% Evil humulone missible oil (French Rhone-Poulenc produces);
48% butralin missible oil (production of Sichuan shield company);
The mixed agent of Evil humulone and 5 different proportionings of butralin
| No. 1 | No. 2 | No. 3 | No. 4 | No. 5 | |
| The Evil humulone | 1 | 1 | 1 | 1 | 3 |
| Butralin | 9 | 6 | 3 | 1 | 1 |
Annotate: be the weight ratio of active ingredient in the table.
2, examination material: monocotyledon weed-lady's-grass, barnyard grass grass, broadleaf weed-Amaranthus retroflexus, piemarker.
3, effective dose:
75,150,300,600,900ga.i./ha Evil humulone missible oil:;
250,500,1000,1500,2000ga.i./ha butralin missible oil:;
150,300,450,600,750ga.i./ha mixed agent (1～No. 5):.
4, assay method: indoor pot method.In the glass greenhouse of heating installation is arranged, experimentize and try the cultivation of material, 10～35 ℃ of temperature.The seed of quantitative lady's-grass, barnyard grass grass, Amaranthus retroflexus, piemarker is sowed in the plastic basin that diameter is 8cm, lady's-grass, barnyard grass grass, the every basin of Amaranthus retroflexus are broadcast 40～50, the every basin of piemarker is broadcast 10～20, and earthing 1～2mm puts into the enamel tray that water is housed, allow water infiltrate gradually, be seeped into and be transferred to glass greenhouse behind the soil table and cultivate in water, soil treatment is broadcast spraying in back 1 day and is handled, and seedling was decided strain during cauline leaf was handled and treated weeds 2～3 leaves, lady's-grass, barnyard grass grass, the every basin of Amaranthus retroflexus are decided 30 of strains, and the every basin of piemarker is decided 6 of strains.Sowing peanut in the time of the sowing weeds, 4～5 of every basin sowings, earthing 2～3cm.With the moisturizing of basin alms bowl bottom infiltrating irrigation mode, to keep soil moisture.Test according to test dose described in the table.By the long-pending (0.12m of the actual spray of accurate spray tower powder
2, convert water 10mL, amount to a mu water consumption 56kg) accurately calculate and prepare required soup, pending plastic basin is gone in ring to be evenly arranged on the rotating spraying platform, and spraying is handled.Atomisation pressure 2kg/m
2, Conic nozzle flow 100mL/min.Every processing peanut and every kind of weeds are established 4 repetitions respectively.
Utilize the DPS process software to obtain the ED of toxicity regression formula, correlation coefficient and each medicament of each single agent and mixture embodiment
50, ED
90, and obtain the co-toxicity coefficient of the embodiment that respectively is mixed by the method for the abundant introduction of Sun Yun.
Calculate the fresh weight preventive effect that each is handled by following formula:
The ratio of toxicity index * B in mixture of the ratio+B of toxicity index * A in mixture of the toxicity index theoretical value=A of mixture
Criterion: co-toxicity coefficient＜80 are antagonism, are summation action between 80-120,〉120 o'clock be synergistic effect.
5, experimental result
Herbicidal composition of the present invention is considered in conjunction with economical and practical aspect through long-term, a large amount of optimum experimental, selects rationally to allot proportioning, and its herbicidal effect and crop safety experimental data see Table 1～4.By data in the table as can be seen: peanut field herbicidal composition provided by the present invention all has obvious synergistic effect to the single broadleaf weed in peanut field, enlarged and killed the grass spectrum, good to the peanut safety, effect of increasing production is obvious, and the preparation processing method is simple, and is easy to use, reduced dosing, delayed the drug-fast development of weeds, had remarkable economic efficiency and social benefit, made the desirable weed killer herbicide of preventing and kill off the single broadleaf weed in peanut field both at home and abroad.
The indoor measurement result sees table 1, table 2 for details.From table 1, table 2 data as can be seen, all greater than 120, it is composite with 1:1～9 to Shuo Ming Evil humulone and butralin, all shows stronger synergistic effect to the co-toxicity coefficient of monocotyledon weed and broadleaf weed for No. 1～4, mixed agent; Mixed agent 5 (Evil humulone butralins=3:1) co-toxicity coefficient belongs to summation action and certain synergistic effect is arranged between 100～120.
Table 1 soil treatment is to monocotyledon weed ED
50, ED
90, co-toxicity coefficient and evaluation
Investigation: fresh weight method test in 35 days behind the medicine: potted plant
Table 2 soil treatment is to broadleaf weed ED
50, ED
90, co-toxicity coefficient and evaluation
Investigation: fresh weight method test in 35 days behind the medicine: potted plant
Field test effect and evaluation
Test is located at Licheng District Zhang Matun village, Jinan City, Shandong Province to be carried out, and peanut varieties is that spend No. 11 the Shandong, and the overlay film spring flower is given birth to, and the main monocotyledon weed in field has lady's-grass, eleusine indica, green foxtail etc., and broadleaf weed has Amaranthus retroflexus, kitchen garden and acalypha copperleaf etc.The test spray date is on April 27th, 2008, behind peanut seeding, presses table 3 drug dose preparating liquid, with the spraying of knapsack sprayer soil, and covering with plastic film behind the spray medicine.4 points are got in dispenser 50 days, every sub-district at random, every some investigation 0.25m
2, record weeds kind and strain number calculate the strain preventive effect, and the harvesting peanut phase, the limit row was removed in every sub-district, and real receipts are surveyed and are produced, and calculate effect of increasing production.
Observe after the dispenser, it is normal that each handles peanut growth, do not see any symptom of chemical damage, illustrates that the test medicine field uses peanut safety, and the weeding result of the test sees Table 3.Complex preparation has enlarged grass spectrum extremely as can be seen, and the total preventive effect of single broadleaf weed is significantly higher than each single agent.Show remarkable advantages.
In sum, herbicidal composition of the present invention has tangible using value and social benefit.
Claims (7)
1. Herbicidal combinations that contains oxadiazon and butralin, it is characterized in that containing the active ingredient 5-tert-butyl group-3-(2,4-two chloro-5-o-phenyl-isopropyls)-1,3,4-oxadiazole quinoline-2-ketone A and N-sec-butyl-4-tertiary butyl-2,6-dinitroaniline B is by weight the mixture of 1:0.5～50 configurations.
2. as the Herbicidal combinations of claims 1 described a kind of Han oxadiazon and butralin, it is characterized in that: the active ingredient weight percentage is 1～90%.
3. as claim 1,2 described a kind of Herbicidal combinations that contain oxadiazon and butralin, it is characterized in that: the active ingredient weight ratio of Evil humulone and butralin can be 1:0.5～50, with 1:1～10 for well.
4. the Herbicidal combinations of a kind of Han oxadiazon as claimed in claim 3 and butralin is characterized in that the weight ratio of: Evil humulone and butralin serves as better with 1:3 to 1:6.
5. as the Herbicidal combinations of described a kind of Han oxadiazon of claim 1～4 and butralin, it is characterized in that: the formulation of herbicidal composition is missible oil, microemulsion, dispersibility granula, suspension emulsion, oil-suspending agent, aqueous suspension agent, do a kind of in outstanding agent, aqua, wetting powder, soluble powder, granule, the sustained release agent.
6. the Herbicidal combinations of a kind of Han oxadiazon as claimed in claim 5 and butralin is characterized in that: the formulation of herbicidal composition with missible oil for well.
7. as the Herbicidal combinations of described a kind of Han oxadiazon of claim 1～6 and butralin, it is characterized in that: its purposes is that peanut is broadcast the preceding weeding of back seedling.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100142374A CN101485319A (en) | 2009-02-19 | 2009-02-19 | Herbicidal composition containing oxadiazon and butralin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100142374A CN101485319A (en) | 2009-02-19 | 2009-02-19 | Herbicidal composition containing oxadiazon and butralin |
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|---|---|---|---|
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102217609A (en) * | 2011-04-12 | 2011-10-19 | 安徽丰乐农化有限责任公司 | Oxadiazon and flumioxazin compound weeding composition |
| CN103651348A (en) * | 2013-12-26 | 2014-03-26 | 张掖市大弓农化有限公司 | Butralin suspension agent type herbicide and production method thereof |
| CN104430360A (en) * | 2013-09-23 | 2015-03-25 | 丹阳恒安化学科技研究所有限公司 | Production technology for complexed herbicide |
| CN105941394A (en) * | 2016-05-27 | 2016-09-21 | 创新美兰（合肥）股份有限公司 | Oxadiazon and butralin compound missible oil and preparation method thereof |
| CN107593724A (en) * | 2017-09-19 | 2018-01-19 | 黑龙江省农业科学院耕作栽培研究所 | A kind of direct-sowing dry paddy field soil closes herbicide |
| WO2018028318A1 (en) * | 2016-08-08 | 2018-02-15 | 江苏辉丰农化股份有限公司 | Weeding composition having synergistic effect |
| CN111066782A (en) * | 2019-12-27 | 2020-04-28 | 张掖市大弓农化有限公司 | Oxadiazon and butralin emulsion in water and preparation method thereof |
-
2009
- 2009-02-19 CN CNA2009100142374A patent/CN101485319A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102217609A (en) * | 2011-04-12 | 2011-10-19 | 安徽丰乐农化有限责任公司 | Oxadiazon and flumioxazin compound weeding composition |
| CN104430360A (en) * | 2013-09-23 | 2015-03-25 | 丹阳恒安化学科技研究所有限公司 | Production technology for complexed herbicide |
| CN103651348A (en) * | 2013-12-26 | 2014-03-26 | 张掖市大弓农化有限公司 | Butralin suspension agent type herbicide and production method thereof |
| CN105941394A (en) * | 2016-05-27 | 2016-09-21 | 创新美兰（合肥）股份有限公司 | Oxadiazon and butralin compound missible oil and preparation method thereof |
| WO2018028318A1 (en) * | 2016-08-08 | 2018-02-15 | 江苏辉丰农化股份有限公司 | Weeding composition having synergistic effect |
| CN107593724A (en) * | 2017-09-19 | 2018-01-19 | 黑龙江省农业科学院耕作栽培研究所 | A kind of direct-sowing dry paddy field soil closes herbicide |
| CN111066782A (en) * | 2019-12-27 | 2020-04-28 | 张掖市大弓农化有限公司 | Oxadiazon and butralin emulsion in water and preparation method thereof |
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Open date: 20090722 |