CN105494366A - Mixed herbicide comprising topramezone and pendimethalin and application of mixed herbicide - Google Patents
Mixed herbicide comprising topramezone and pendimethalin and application of mixed herbicide Download PDFInfo
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- CN105494366A CN105494366A CN201510964466.8A CN201510964466A CN105494366A CN 105494366 A CN105494366 A CN 105494366A CN 201510964466 A CN201510964466 A CN 201510964466A CN 105494366 A CN105494366 A CN 105494366A
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- pendimethalin
- azoles humulone
- mixed herbicide
- benzene azoles
- 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
- 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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- 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
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
- A01N33/18—Nitro compounds
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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 comprising topramezone and pendimethalin and an application of the mixed herbicide. According to the mixed herbicide, the topramezone and the pendimethalin serve as main active ingredients; the mass ratio of the topramezone to the pendimethalin is 1:3-900:1. The mixed herbicide has a remarkable effect on the application to corn-field weeding and particularly has a remarkable effect on the application to preventing and removing of various coming-up or to-coming-up gramineae weeds, various coming-up or to-coming-up cyperaceae weeds and various coming-up or to-coming-up wide leaf weeds. By means of the mixed herbicide, compared with a single pesticide, on the premise that the pesticide effect is improved, the resistance of weeds is delayed, the weeding range is wide, the lasting period is long, and corn safety is achieved.
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 Pendimethalin.
Background technology
Corn is the cereal crops that China extensively plants, happiness high temperature, generally ripe in summer and autumn, and summer and autumn high temperature and rainy, corn field weed occurs general, main weeds has the kind more than 30 such as lady's-grass, barnyard grass, green foxtail, eleusine indica, Amaranthus retroflexus, kitchen garden, acalypha copperleaf, the rhizome of nutgrass flatsedge, and therefore maize seedling weed control is an important engineering of corn planting.Chemical herbicide saves time, laborsaving, its use will consider the many factors such as herbicidal effect, persistence, ecological environment security, therefore, selects a kind of efficient, safe chemical herbicide to be the key subject that this area researcher faces.
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; be novel hydroxyl phenylacetone acid esters dual oxide enzyme inhibitor (HPPD) weed killer herbicide, be wide spectrum herbicide after seedling, effectively can prevent 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, 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.
Pendimethalin (pendimethalin), trade name weeding is led to, chemical name: N-1-(ethyl propyl) 2,6-dinitro-3,4-dimethylaniline.
Pendimethalin works after young shoot, stem and root absorption medicament in suppressing weed seed germination process, and dicotyledon absorption site is hypocotyl, and monocotyledon is young shoot, and its damage symptoms is that young shoot and secondary root are suppressed, finally causes death.Mainly prevent and kill off annual gramineae and some annual broadleaf weed.As: lady's-grass, eleusine indica, barnyard grass, annual bluegrass, multitude, kitchen garden, Amaranthus retroflexus, Asiatic plantain, corn sow thistle, amur foxtail, clearvers, green foxtail, volume stem knotweed, chickweed, summer cypress, nutgrass flatsedge, benbie, difformed galingale herb etc.Pendimethalin is mainly used in the front feud process of weeds seedling and uses, and cauline leaf process activity is poor.
Summary of the invention
The object of this invention is to provide a kind of mixed herbicide containing benzene azoles humulone and Pendimethalin.
Another object of the present invention is to provide the application of this weed killer herbicide in cornfield weeding.
1. the invention provides a kind of mixed herbicide comprising benzene azoles humulone and Pendimethalin, this mixed herbicide with benzene azoles humulone and Pendimethalin for principle active component; Wherein, the mass ratio of benzene azoles humulone and Pendimethalin is 1: 3-900: 1.
2. above-mentioned 1 mixed herbicide provided, wherein, the mass ratio of benzene azoles humulone and Pendimethalin is 1: 1-15: 1.
3. above-mentioned 1 mixed herbicide provided, wherein, the mass ratio of benzene azoles humulone and Pendimethalin is 2: 1-10: 1.
4. above-mentioned 1 mixed herbicide provided, wherein, the mass ratio of benzene azoles humulone and Pendimethalin is 4: 1-15: 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 Pendimethalin and Pendimethalin gross mass mass percent in weed killer herbicide is 15%-80%.
6. the mixed herbicide that provides of above-mentioned 5 any one, wherein, the benzene azoles humulone of benzene azoles humulone and Pendimethalin and Pendimethalin gross mass mass percent in weed killer herbicide is 40%-80%.
7. the mixed herbicide described in above-mentioned 6, wherein, the benzene azoles humulone of benzene azoles humulone and Pendimethalin and Pendimethalin gross mass mass percent in weed killer herbicide is 15%-60%.
8. the mixed herbicide described in above-mentioned 6, wherein, this mixed herbicide with benzene azoles humulone and Pendimethalin 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. the mixed herbicide described in above-mentioned 7, wherein, the formulation of weed killer herbicide is oil-suspending agent, suspension emulsion, wetting powder, water dispersible granules, missible oil, microcapsule formulations suspending agent.
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).Pendimethalin is meristem cell division inhibitor, mainly suppresses meristem cell division, does not affect the sprouting of weed seed, but works after young shoot, stem and root absorption medicament in suppressing weed seed germination process.Dicotyledon absorption site is hypocotyl, and monocotyledon is young shoot, and its damage symptoms is that young shoot and secondary root are suppressed, finally causes death.That is, 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 and Pendimethalin are all broad spectrum weeding agent, and after both mixing, action compensating, herbicidal spectrum is wider.Because the main foliage application of benzene azoles humulone uses, prevent and kill off annual broad-leaved and grassy weed and sedge weed.And Pendimethalin has soil treatment effect, be mainly used in the process of weeds seedling front feud and use, except to some broad leaved weed effectively except, also have good effect to grassy weed.So weed killer herbicide of the present invention has the double action in leaf surface treatment and feud, extend the lasting period of medicament.
3, Weed Resistance is delayed.Because weeds easily produce resistance to weed killer herbicide single dose, and the Pendimethalin containing dinitroaniline in weed killer herbicide of the present invention, enabling the medicament anti-weeds except easily producing resistance effectively, reducing resistance weed, 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.
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 10%, Pendimethalin 5%, 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 15%.
Embodiment 2
Benzene azoles humulone 30%, Pendimethalin 10%, 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 40%.
Embodiment 3
Benzene azoles humulone 75%, Pendimethalin 5%, 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 4
Benzene azoles humulone 40%, Pendimethalin 20%, 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 5
Benzene azoles humulone 30%, Pendimethalin 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 40%.
Embodiment 6
Benzene azoles humulone 30%, Pendimethalin 5%, 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 35%.
Embodiment 7
1), toxicity determination test
Mensuration benzene azoles humulone and Pendimethalin 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, when benzene azoles humulone and Pendimethalin ratio are less than or equal to 1: 3, the two does not produce synergistic effect, on the contrary, when the two ratio is 1: 5, co-toxicity coefficient is only 79.87, illustrates may also have antagonism this both ratio is composite.But when the two ratio >=1: when 1, the co-toxicity coefficient after two kinds of active principles are composite is all greater than 120, illustrate composite within the scope of this to there is 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), 33% Pendimethalin EC (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 Pendimethalin, it is characterized in that: this mixed herbicide with benzene azoles humulone and Pendimethalin for principle active component; Wherein, the mass ratio of benzene azoles humulone and Pendimethalin is 1: 3-900: 1.
2. mixed herbicide according to claim 1, is characterized in that: the mass ratio of benzene azoles humulone and Pendimethalin is 1: 1-15: 1.
3. mixed herbicide according to claim 1, is characterized in that: the mass ratio of benzene azoles humulone and Pendimethalin is 2: 1-10: 1.
4. mixed herbicide according to claim 1, is characterized in that: the mass ratio of benzene azoles humulone and Pendimethalin is 4: 1-15: 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 Pendimethalin and Pendimethalin gross mass mass percent in weed killer herbicide is 15%-80%.
6. mixed herbicide according to claim 5, is characterized in that: the benzene azoles humulone of benzene azoles humulone and Pendimethalin and Pendimethalin gross mass mass percent in weed killer herbicide is 40%-80%.
7. mixed herbicide according to claim 5, is characterized in that: the benzene azoles humulone of benzene azoles humulone and Pendimethalin and Pendimethalin gross mass mass percent in weed killer herbicide is 15%-60%.
8. mixed herbicide according to claim 5, is characterized in that: this mixed herbicide with benzene azoles humulone and Pendimethalin for the auxiliary agent that principle active component and agricultural chemicals allow is mixed with any one formulation.
9. 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.
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 |
|---|---|---|---|
| CN201510964466.8A CN105494366A (en) | 2015-12-21 | 2015-12-21 | Mixed herbicide comprising topramezone and pendimethalin and application of mixed herbicide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510964466.8A CN105494366A (en) | 2015-12-21 | 2015-12-21 | Mixed herbicide comprising topramezone and pendimethalin and application of mixed herbicide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105494366A true CN105494366A (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510964466.8A Pending CN105494366A (en) | 2015-12-21 | 2015-12-21 | Mixed herbicide comprising topramezone and pendimethalin and application of mixed herbicide |
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| Country | Link |
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| CN (1) | CN105494366A (en) |
Citations (2)
| 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 |
| CN102986705A (en) * | 2012-11-30 | 2013-03-27 | 王学权 | Herbicide composition containing topramezone |
-
2015
- 2015-12-21 CN CN201510964466.8A patent/CN105494366A/en active Pending
Patent Citations (2)
| 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 |
| CN102986705A (en) * | 2012-11-30 | 2013-03-27 | 王学权 | Herbicide composition containing topramezone |
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