CN105475318A - Mixed herbicide comprising topramezone and diflufenzopyr and application thereof - Google Patents
Mixed herbicide comprising topramezone and diflufenzopyr and application thereof Download PDFInfo
- Publication number
- CN105475318A CN105475318A CN201510964611.2A CN201510964611A CN105475318A CN 105475318 A CN105475318 A CN 105475318A CN 201510964611 A CN201510964611 A CN 201510964611A CN 105475318 A CN105475318 A CN 105475318A
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- China
- Prior art keywords
- diflufenzopyr
- herbicide
- azoles humulone
- benzene azoles
- mixed
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/34—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the groups, e.g. biuret; Thio analogues thereof; Urea-aldehyde condensation products
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
Abstract
The invention belongs to the technical field of pesticide, and provides a mixed herbicide comprising topramezone and diflufenzopyr and application thereof. The mixed herbicide takes the topramezone and diflufenzopyr as main effective components, wherein, a mass ratio of the topramezone to diflufenzopyr is (1:900)-(900:1). The mixed herbicide is applied in weeding of a corn field, and especially has obvious effect in application of preventing and killing unearthed or various grass family, sedge family and broad leaf weeds which are about to earth. Compared with a single herbicide, the herbicide delays weed resistance under a premise of improving the herbicide effect, and is wide in a weeding spectrum, long in duration and is safe to corns.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of mixed herbicide and the application thereof that comprise benzene azoles humulone and diflufenzopyr.
Background technology
Benzene azoles humulone (topramezone), chemical name: [3-(4,5-dihydro-1,2-oxazole-3-base)-4-formoxyl 0-tolyl] (5-hydroxyl-1-methyl-pyrazol-4-yl) ketone.
Benzene azoles humulone system wide spectrum herbicide after seedling, effectively can prevent and kill off corn field annual gramineae and broad leaved weed, sedge weed.Corn postemergence application, susceptible weeds is absorbed by blade, and conducts up and down in plant, occur albefaction poisoning symptom in 2-5 days, the poisoning symptom of growing point, internode, blade and vein is the most obvious, and organizing of albefaction is downright bad gradually, and stop growing very soon, dead in a little a few week.Benzene azoles humulone has certain activity to not being unearthed or being about to unearthed weeds, but activity affects by its concentration and soil organic matter content height.
Diflufenzopyr (diflufenzopyr), chemical name: 2-{1-[4-(3,5-difluorophenyl) amino carbonyl hydrazone] ethyl } nicotinic acid.As corn field herbicide, to corn safety, multiple broad leaved weed and part grassy weed can be prevented and kill off.But current diflufenzopyr domestic production is less, and price is higher, and unit are use cost is large.
Chemical method management of weeds is the herbicidal methods extensively adopted in present agricultural production, but is used alone a certain weed killer herbicide due to large area, has caused a lot of weeds to develop immunity to drugs.Meanwhile, polytype weeds mixed growth such as grass family, broad leaved weed, nutgrass flatsedge often in corn field, certain weed killer herbicide of single use is often difficult to solve situation weedy in corn field.Complex weedicide, because herbicidal spectrum is wide, consumption is few, delay the plurality of advantages such as herbicide resistance, becomes one of direction of corn field herbicide use.
Summary of the invention
The object of the invention is the blank filling up existing research, provides one mixed herbicide efficiently and safely.
1. the invention provides a kind of mixed herbicide comprising benzene azoles humulone and diflufenzopyr, this mixed herbicide with benzene azoles humulone and diflufenzopyr for principle active component; Wherein, the mass ratio of benzene azoles humulone and diflufenzopyr is 1: 900-900: 1.
2. above-mentioned 1 mixed herbicide provided, wherein, the mass ratio of benzene azoles humulone and diflufenzopyr is 1: 10-8: 1.
3. above-mentioned 1 mixed herbicide provided, wherein, the mass ratio of benzene azoles humulone and diflufenzopyr is 1: 10-1: 1.
4. above-mentioned 1 mixed herbicide provided, wherein, the mass ratio of benzene azoles humulone and diflufenzopyr is 3: 5-8: 1.
5. the mixed herbicide that provides of above-mentioned any one of 1-4, wherein, the benzene azoles humulone of benzene azoles humulone and diflufenzopyr and diflufenzopyr gross mass mass percent in weed killer herbicide is 15%-80%.
6. above-mentioned 5 mixed herbicides provided, wherein, the benzene azoles humulone of benzene azoles humulone and diflufenzopyr and diflufenzopyr gross mass mass percent in weed killer herbicide is 15%-60%.
7. above-mentioned 5 mixed herbicides provided, wherein, the benzene azoles humulone of benzene azoles humulone and diflufenzopyr and diflufenzopyr gross mass mass percent in weed killer herbicide is 35%-80%.
8. above-mentioned 5 mixed herbicides provided, wherein, this mixed herbicide with benzene azoles humulone and diflufenzopyr for the auxiliary agent that principle active component and agricultural chemicals allow is mixed with any one formulation.
Any one formulation that agricultural chemicals allows comprises conventional surfactants, thickener, solvent or solid packing.Surfactant can in water, demonstrate gelation or the surfactant of swellability, can be fatty acid ester, alkyl ether, acetylenediol, polyoxy acetylene castor-oil plant wet goods non-ionic surface active agent, as anion surfactants such as alkylphenol polyoxyethylene, the rare block compound of polyoxyethylene polyoxy third or alkyl sulfate, lignosulfonates, soaps, as cationic surfactants such as sodium lignin sulfonate, neopelex or laurylamine hydrochloride, acetic acid stearylamines.Above surfactant can one or more be used in combination.Thickener, as white carbon, is not particularly limited.Solvent can be inert liquid carrier, such as monohydric alcohol, polyalcohol, ketone, ethers, fat hydrocarbon, halogenated hydrocarbon etc., as vegetable oil; Above inert liquid carrier can one or more be used in combination.Solid carrier can be natural mineral matter class, inorganic salts, starch, cellulose etc., as ammonium sulfate, diatomite, kaolin; Above solid carrier can one or more be used in combination.
9. above-mentioned 8 mixed herbicides provided, wherein, the formulation of weed killer herbicide is aqueous suspension agent, oil-suspending agent, wetting powder, water dispersible granules.
10. the present invention also provides the mixed herbicide described in above-mentioned any one of 1-9 preventing and kill off the application in various grass family, sedge family and broad leaved weed in corn field.
Beneficial effect:
1, activity of weeding is high.Benzene azoles humulone absorbs primarily of root and young stem, leaf, in plant body Xiang Ding, be transmitted to meristematic tissue to base, by suppressing 4-medical midbodies of para (ortho)-hydroxybenzoic acetone acid esters dual oxide enzyme (4HPPD) in plastoquinone biosynthesis, the synthesis of remote-effects carotenoid, the synthesis of interference chloroplast and function, finally cause serious albefaction (due to chlorophyllous degraded).Diflufenzopyr is interior suction selective herbicide, growth hormone transfer inhibitor.The two has the different mechanism of action, and the composition of the two can kill weeds by two kinds of different approaches, greatly can improve the removing activity of weed killer herbicide.Measure through toxicity, when benzene azoles humulone and diflufenzopyr are when proportion is 1: 10-8: 1, be all greater than 120 to the co-toxicity coefficient of weeds barnyard grass, both explanations compound synergic is obvious.
2, herbicidal spectrum is wide, and the lasting period is long.Benzene azoles humulone and diflufenzopyr are all broad spectrum weeding agent, and after both mixing, action compensating, herbicidal spectrum is wider.Through field trial, no matter be to sedge weed or grass family, broad leaved weed, after medication, the preventive effect of 20 days and 40 days is all obviously greater than the preventive effect being used alone a certain weed killer herbicide.
3, Weed Resistance is delayed.Because weeds easily produce resistance to weed killer herbicide single dose, and containing diflufenzopyr in weed killer herbicide of the present invention, enabling the medicament anti-weeds except easily producing resistance effectively, reducing resistance weed, improving the activity of medicament, extending the service life of medicament.
Therefore, mixed herbicide of the present invention can be applied in cornfield weeding, is particularly preventing and kill off unearthed or is being about to apply in unearthed various grass family, sedge family and broad leaved weed to have significant effect.
Embodiment
Below in conjunction with embodiment, the present invention will be further described, and the experimental technique of unreceipted actual conditions in the following example, usually according to the known approaches of this area.
Embodiment 1
Benzene azoles humulone 15%, diflufenzopyr 15%, alkylphenol polyoxyethylene 4%, the rare block compound 5% of polyoxyethylene polyoxy third, thickener 2%, vegetable oil to 100%, formulation method is conveniently mixed with the oil-suspending agent that mass percentage is 30%.
Embodiment 2
Benzene azoles humulone 10%, diflufenzopyr 20%, neopelex 2%, alkylphenol polyoxyethylene phosphate 5%, propane diols 5%, xanthans 0.1%, water to 100%, formulation method is conveniently mixed with the suspending agent that mass percentage is 30%.
Embodiment 3
Benzene azoles humulone 20%, diflufenzopyr 15%, alkylphenol polyoxyethylene phosphate 4%, aliphatic acid polyethenoxy ether 2%, propane diols 5%, xanthans 0.1%, white carbon 2%, water supplies 100%, and formulation method is conveniently mixed with the suspending agent that mass percentage is 35%.
Embodiment 4
Benzene azoles humulone 10%, diflufenzopyr 40%, sodium lignin sulfonate 5%, neopelex 2%, white carbon 10%, kaolin supplies 100%, and formulation method is conveniently mixed with the wetting powder that mass percentage is 50%.
Embodiment 5
Benzene azoles humulone 30%, diflufenzopyr 50%, sodium lignin sulfonate 5%, lauryl sodium sulfate 2%, white carbon 3%, corn starch supplies 100%, and formulation method is conveniently mixed with the water dispersible granules that mass percentage is 80%.
Embodiment 6
Benzene azoles humulone 30%, diflufenzopyr 30%, sodium lignin sulfonate 5%, neopelex 2%, white carbon 10%, kaolin supplies 100%, and formulation method is conveniently mixed with the wetting powder that mass percentage is 60%.
Embodiment 7
Benzene azoles humulone 5%, diflufenzopyr 10%, neopelex 2%, alkylphenol polyoxyethylene phosphate 5%, propane diols 5%, xanthans 0.1%, water to 100%, formulation method is conveniently mixed with the suspending agent that mass percentage is 15%.
Embodiment 8
1), toxicity determination test
Mensuration benzene azoles humulone and diflufenzopyr are to the co-toxicity coefficient of weeds barnyard grass.
Test method: be seeded in respectively in the Disposable paper cup of 9cm by the seed of quantitative barnyard grass, sows 10 ~ 15 seeds in every glass, cultivates in illumination box, when barnyard grass 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, and the method proposed by nineteen sixties such as Sun Yunpei, calculates its co-toxicity coefficient.Co-toxicity coefficient is less than 80 for antagonism, is summation action between 80-120, is greater than 120 for synergistic effect.Measurement result is as shown in table 1.
Table 1 toxicity measurement result
As can be seen from the above table, two kinds of active principle benzene azoles humulones and diflufenzopyr proportionally 1: 10-8: 1 composite after, co-toxicity coefficient, is greater than 120, the two is described within the scope of this active principle is composite to have obvious synergistic effect.
2), field control effectiveness test
Reagent agent:
4 kinds of re-compounded binary herbicides in embodiment 1 ~ 4.
Contrast medicament:
30% benzene azoles humulone SC (commercially available), 50% diflufenzopyr WP (commercially available).
For studying thing: corn
Before rear seedling broadcast by corn.
Prevent and kill off object:
The weeds such as lady's-grass, barnyard grass, green foxtail, leaf knotweed, Siberian cocklebur, summer cypress, nutgrass flatsedge, benbie, the rhizome of nutgrass flatsedge, difformed galingale herb, shepherd's purse.
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, also after medicine, emerging and growing state of corn in 1 ~ 15d, will be observed, whether have poisoning to investigate medicament to corn.
Embodiments of the invention preparation Herbicidal Testing Trials effect sees the following form 2 (after medicine 20d) and table 3 (after medicine 40d)
Table 2 field control effectiveness test result (after medicine 20d)
Table 3 field control effectiveness test result (after medicine 40d)
As can be seen from table 2 and table 3, the present invention has significant preventive effect to grassy weed, sedge weed and broad leaved weed, significantly building performance, and the lasting period is long.
Table 4 medicament is to the security survey result of corn
Emergence of corn in each process community with grow fine, have no any symptom of chemical damage, illustrate that various medicament is all safe to corn.
Can know; above-described embodiment is only in order to illustrate the illustrative embodiments that inventive principle adopts; but the present invention is not limited only to this; those skilled in the art are not departing under real situation of the present invention; can make various improvement and change, these improve and change and also belong to protection scope of the present invention.
Claims (10)
1. comprise a mixed herbicide for benzene azoles humulone and diflufenzopyr, it is characterized in that: this mixed herbicide with benzene azoles humulone and diflufenzopyr for principle active component; Wherein, the mass ratio of benzene azoles humulone and diflufenzopyr is 1: 900-900: 1.
2. mixed herbicide according to claim 1, is characterized in that: the mass ratio of benzene azoles humulone and diflufenzopyr is 1: 10-8: 1.
3. mixed herbicide according to claim 1, is characterized in that: the mass ratio of benzene azoles humulone and diflufenzopyr is 1: 10-1: 1.
4. mixed herbicide according to claim 1, is characterized in that: the mass ratio of benzene azoles humulone and diflufenzopyr is 3: 5-8: 1.
5. the mixed herbicide described in any one of claim 1-4, is characterized in that: the benzene azoles humulone of benzene azoles humulone and diflufenzopyr and diflufenzopyr gross mass mass percent in weed killer herbicide is 15%-80%.
6. the mixed herbicide described in any one of claim 5, is characterized in that: the benzene azoles humulone of benzene azoles humulone and diflufenzopyr and diflufenzopyr gross mass mass percent in weed killer herbicide is 15%-60%.
7. mixed herbicide according to claim 5, is characterized in that: the benzene azoles humulone of benzene azoles humulone and diflufenzopyr and diflufenzopyr gross mass mass percent in weed killer herbicide is 35%-80%.
8. mixed herbicide according to claim 5, is characterized in that: this mixed herbicide with benzene azoles humulone and diflufenzopyr for the auxiliary agent that principle active component and agricultural chemicals allow is mixed with any one formulation.
9. mixed herbicide according to claim 8, is characterized in that: the formulation of weed killer herbicide is aqueous suspension agent, oil-suspending agent, wetting powder, water dispersible granules.
10. the mixed herbicide described in any one of claim 1-9 is preventing and kill off the application in various grass family, sedge family and broad leaved weed in corn field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510964611.2A CN105475318A (en) | 2015-12-21 | 2015-12-21 | Mixed herbicide comprising topramezone and diflufenzopyr and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510964611.2A CN105475318A (en) | 2015-12-21 | 2015-12-21 | Mixed herbicide comprising topramezone and diflufenzopyr and application thereof |
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| CN105475318A true CN105475318A (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510964611.2A Pending CN105475318A (en) | 2015-12-21 | 2015-12-21 | Mixed herbicide comprising topramezone and diflufenzopyr and application thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305346A (en) * | 1998-06-16 | 2001-07-25 | 巴斯福股份公司 | Herbicidal mixtures having synergistic effect |
| CN102317275A (en) * | 2009-01-15 | 2012-01-11 | 辛根塔有限公司 | Novel herbicides |
| CN103025167A (en) * | 2010-05-21 | 2013-04-03 | 拜耳知识产权有限责任公司 | Herbicidal agents for tolerant or resistant rice cultures |
-
2015
- 2015-12-21 CN CN201510964611.2A patent/CN105475318A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305346A (en) * | 1998-06-16 | 2001-07-25 | 巴斯福股份公司 | Herbicidal mixtures having synergistic effect |
| CN102317275A (en) * | 2009-01-15 | 2012-01-11 | 辛根塔有限公司 | Novel herbicides |
| CN103025167A (en) * | 2010-05-21 | 2013-04-03 | 拜耳知识产权有限责任公司 | Herbicidal agents for tolerant or resistant rice cultures |
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Application publication date: 20160413 |
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