CN105532701A - Mixed herbicide containing topramezone and rimsulfuron and application of mixed herbicide - Google Patents
Mixed herbicide containing topramezone and rimsulfuron and application of mixed herbicide Download PDFInfo
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- CN105532701A CN105532701A CN201510964570.7A CN201510964570A CN105532701A CN 105532701 A CN105532701 A CN 105532701A CN 201510964570 A CN201510964570 A CN 201510964570A CN 105532701 A CN105532701 A CN 105532701A
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- rimsulfuron
- azoles humulone
- benzene azoles
- herbicide
- mixed herbicide
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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<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
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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
- 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
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of pesticides and provides a mixed herbicide containing topramezone and rimsulfuron and application of the mixed herbicide. The mixed herbicide employs topramezone and rimsulfuron as major effective ingredients, wherein the mass ratio of topramezone to rimsulfuron is (1: 15) to (900: 1). The mixed herbicide provided by the invention is applied to the weeding of corn fields and particularly has a remarkable effect in application of preventing and weeding emerged or forthcoming various Gramineae, Cyperaceae and broad-leaf weeds. Compared with single agents, the herbicide provided by the invention has the advantages that the resistance to the weeds is retarded on the premise of improving drug effect, the weeding spectrum is broad, the effect duration is long, and the herbicide has safety to corn.
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 rimsulfuron.
Background technology
Corn is the crops that China extensively plants, and because corn planting environmental requirement fertile soil is moistening, ground temperature more than 10 DEG C, therefore, corn field is the severely afflicated area of weeds.Chemical herbicide is widely used herbicidal methods in Maize Production, have efficiently, feature fast, but, weeds different in corn field are different to different sensitivity to herbicides, and heavy dose of use weed killer herbicide not only can endanger Maize Production and more can produce unpredicted problems of ecological security.Therefore, selecting efficient, safe weed killer herbicide, is one of key of Chemical Weeding in Maize Field.
Benzene azoles humulone (topramezone); have another name called: benzene pyrazoles humulone; chemical name 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 is novel hydroxyl phenylacetone acid esters dual oxide enzyme inhibitor (HPPD) weed killer herbicide, is wide spectrum herbicide after seedling, effectively can prevents and kill off corn field annual gramineae and broad leaved weed, sedge weed.Corn postemergence application, absorbed by root and seedling, leaf, in plant Xiang Ding, be transmitted to meristematic tissue to base, suppress p-hydroxyl oxygen phenylacetone acid esters dual oxide enzyme (4-HPPL), suppress plastoquinone and indirectly suppress the biosynthesis of carotenoid, chloroplast synthesis and function upset, due to chlorophyllous oxidative degradation, cause the susceptible weeds albefaction of germinateing, with growth inhibition, under photosynthesis, its damage symptoms is like chlorotic necrosis, responsive target weeds 2 ~ 5d Inner bleaching symptom after treatment, in 14d, plant is dead.
Rimsulfuron (Rimsulfuron), chemical name: N-(((4,6-dimethoxy-2-pyrimidine radicals) is amino) carbonyl)-3-(ethylsulfonyl)-2-pyridine sulfonamide.Rimsulfuron is sulfonylurea herbicide, branched-chain amino acid synthetic inhibitor, selective post-emergence herbicide.For preventing and kill off annual in corn field or perennial grass family and broad leaved weed, as creeping thistle, iron shepherd's purse, the rhizome of nutgrass flatsedge, curly dock, johnson grass, wild oat, Digitaria ischaemum (Schreib.) Schreib. Ex Mubl, barnyard grass, Annual Ryegrass, piemarker, Amaranthus retroflexus, clearvers, corn poppy, chickweed.To corn safety, the safest to spring corn.
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.Therefore, the mixed herbicide finding a kind of stability and high efficiency is needed to reach optimum state to make the removing of corn weeds.
Summary of the invention
The object of the invention is to solve the simple problem using benzene azoles humulone to remove in corn field the effect instability of not being unearthed or by weeds of being unearthed, and provides one mixed herbicide efficiently and safely.
1. the invention provides a kind of mixed herbicide comprising benzene azoles humulone and rimsulfuron, this mixed herbicide with benzene azoles humulone and rimsulfuron for principle active component; Wherein, the mass ratio of benzene azoles humulone and rimsulfuron is 1: 15-900: 1.
2. above-mentioned 1 mixed herbicide provided, wherein, the mass ratio of benzene azoles humulone and rimsulfuron is 1: 10-8: 1.
3. above-mentioned 1 mixed herbicide provided, wherein, the mass ratio of benzene azoles humulone and rimsulfuron is 2: 1-8: 1.。
4. the mixed herbicide that provides of above-mentioned any one of 1-3, wherein, the benzene azoles humulone of benzene azoles humulone and rimsulfuron and rimsulfuron gross mass mass percent in weed killer herbicide is 15%-80%.
5. above-mentioned 4 mixed herbicides provided, wherein, the benzene azoles humulone of benzene azoles humulone and rimsulfuron and rimsulfuron gross mass mass percent in weed killer herbicide is 40%-80%.
6. above-mentioned 4 mixed herbicides provided, wherein, the benzene azoles humulone of benzene azoles humulone and rimsulfuron and rimsulfuron gross mass mass percent in weed killer herbicide is 30%-60%.
7. above-mentioned 4 mixed herbicides provided, wherein, this mixed herbicide with benzene azoles humulone and rimsulfuron 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.
8. above-mentioned 7 mixed herbicides provided, wherein, the formulation of weed killer herbicide is oil-suspending agent, suspension emulsion, wetting powder, water dispersible granules, missible oil, microcapsule formulations suspending agent.
9. the mixed herbicide that the present invention also provides above-mentioned any one of 1-8 to provide is 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).Rimsulfuron is sulfonylurea herbicide, branched-chain amino acid synthetic inhibitor, selective post-emergence herbicide.Through virulence test, in benzene azoles humulone and rimsulfuron proportion >=1: 15 scopes, the two is composite all obvious synergistic effect; And through field trial, the weed killer herbicide after composite is all obviously greater than the preventive effect of sedge family, grass family, broad leaved weed and is used alone wherein a certain weed killer herbicide, illustrate that weed killer herbicide provided by the invention has good herbicidal effect, and efficiency time is long.In sum, herbicidal composition of the present invention can kill weeds by two kinds of different approaches, greatly can improve the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Benzene azoles humulone can prevent and kill off annual gramineae and broad leaved weed, sedge weed, and rimsulfuron mainly prevents and kill off broad leaved weed, and after both mixing, action compensating, herbicidal spectrum is wider.
3, Weed Resistance is delayed.Because weeds easily produce resistance to weed killer herbicide single dose, and containing rimsulfuron in weed killer herbicide of the present invention, it is a kind of new herbicides, for cauline leaf process weed killer herbicide before seedling, after seedling, enable the medicament anti-weeds except easily producing resistance effectively, reduce resistance weed, extend 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.
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 20%, rimsulfuron 10%, alkylphenol polyoxyethylene 4%, the rare block compound 5% of polyoxyethylene polyoxy third, organobentonite 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 40%, rimsulfuron 20%, calcium dodecyl benzene sulfonate 2%, alkylphenol polyoxyethylene phosphate 5%, capsule leather material (gelatin and gum Arabic or pollopas) 5%, propane diols 5%, xanthans 0.1%, water to 100%, formulation method is conveniently mixed with the microcapsule formulations suspending agent that mass percentage is 60%.
Embodiment 3
Benzene azoles humulone 10%, rimsulfuron 30%, 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 40%.
Embodiment 4
Benzene azoles humulone 40%, rimsulfuron 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 80%.
Embodiment 5
Benzene azoles humulone 5%, rimsulfuron 10%, sodium lignin sulfonate 4%, aliphatic acid polyethenoxy ether 2%, propane diols 5%, xanthans 0.1%, vegetable oil 10%, white carbon 2%, water supplies 100%, and formulation method is conveniently mixed with the suspension emulsion that mass percentage is 15%.
Embodiment 6
Benzene azoles humulone 10%, rimsulfuron 30%, calcium dodecyl benzene sulfonate 3%, alkylphenol polyoxyethylene 5%, cyclohexanone 10%, solvent naphtha to 100%, formulation method is conveniently mixed with the missible oil that mass percentage is 40%.
Embodiment 7
1), toxicity determination test
Mensuration benzene azoles humulone and rimsulfuron 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 rimsulfuron are in ratio >=1: 15 carry out composite after co-toxicity coefficient be greater than 120, illustrate that the present invention has obvious synergistic effect within the scope of this.
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), 2% rimsulfuron SC (commercially available).
For studying thing: corn.
Prevent and kill off object:
Barnyard grass, green foxtail, Siberian cocklebur, amaranth, conical silene herb, the weeds such as black nightshade, salsola collina.
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 (9)
1. comprise a mixed herbicide for benzene azoles humulone and rimsulfuron, it is characterized in that: this mixed herbicide with benzene azoles humulone and rimsulfuron for principle active component; Wherein, the mass ratio of benzene azoles humulone and rimsulfuron is 1: 15-900: 1.
2. comprise a mixed herbicide for benzene azoles humulone and rimsulfuron, it is characterized in that: wherein, the mass ratio of benzene azoles humulone and rimsulfuron is 1: 10-8: 1.
3. mixed herbicide according to claim 1, is characterized in that: the mass ratio of benzene azoles humulone and rimsulfuron is 2: 1-8: 1.
4. the mixed herbicide described in any one of claim 1-3, is characterized in that: the benzene azoles humulone of benzene azoles humulone and rimsulfuron and rimsulfuron gross mass mass percent in weed killer herbicide is 15%-80%.
5. mixed herbicide according to claim 4, is characterized in that: the benzene azoles humulone of benzene azoles humulone and rimsulfuron and rimsulfuron gross mass mass percent in weed killer herbicide is 40%-80%.
6. mixed herbicide according to claim 4, is characterized in that: the benzene azoles humulone of benzene azoles humulone and rimsulfuron and rimsulfuron gross mass mass percent in weed killer herbicide is 30%-60%.
7. mixed herbicide according to claim 4, is characterized in that: this mixed herbicide with benzene azoles humulone and rimsulfuron for the auxiliary agent that principle active component and agricultural chemicals allow is mixed with any one formulation.
8. mixed herbicide according to claim 7, is characterized in that: the formulation of weed killer herbicide is oil-suspending agent, suspension emulsion, wetting powder, water dispersible granules, missible oil, microcapsule formulations suspending agent.
9. the mixed herbicide described in any one of claim 1-8 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 |
|---|---|---|---|
| CN201510964570.7A CN105532701A (en) | 2015-12-21 | 2015-12-21 | Mixed herbicide containing topramezone and rimsulfuron and application of mixed herbicide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510964570.7A CN105532701A (en) | 2015-12-21 | 2015-12-21 | Mixed herbicide containing topramezone and rimsulfuron and application of mixed herbicide |
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| CN105532701A true CN105532701A (en) | 2016-05-04 |
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| CN201510964570.7A Pending CN105532701A (en) | 2015-12-21 | 2015-12-21 | Mixed herbicide containing topramezone and rimsulfuron and application of mixed herbicide |
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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 |
| CN103636647A (en) * | 2013-10-30 | 2014-03-19 | 广东中迅农科股份有限公司 | Topramezone-rimsulfuron-containing weeding composition |
| CN106135249A (en) * | 2015-04-24 | 2016-11-23 | 江苏龙灯化学有限公司 | A kind of Herbicidal combinations |
-
2015
- 2015-12-21 CN CN201510964570.7A patent/CN105532701A/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 |
| CN103636647A (en) * | 2013-10-30 | 2014-03-19 | 广东中迅农科股份有限公司 | Topramezone-rimsulfuron-containing weeding composition |
| CN106135249A (en) * | 2015-04-24 | 2016-11-23 | 江苏龙灯化学有限公司 | A kind of Herbicidal combinations |
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