CN105432644A - Mixed herbicide containing halosulfuron-methyl and flufenacet - Google Patents
Mixed herbicide containing halosulfuron-methyl and flufenacet Download PDFInfo
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- CN105432644A CN105432644A CN201410495487.5A CN201410495487A CN105432644A CN 105432644 A CN105432644 A CN 105432644A CN 201410495487 A CN201410495487 A CN 201410495487A CN 105432644 A CN105432644 A CN 105432644A
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- flufenacet
- halosulfuronmethyl
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Abstract
The invention belongs to the technical field of pesticide, and discloses a mixed herbicide containing halosulfuron-methyl and flufenacet; the mixed herbicide takes halosulfuron-methyl and flufenacet as main effective components, and the mass ratio of halosulfuron-methyl to flufenacet is (0.1-80) to (0.1-80). The mixed herbicide containing halosulfuron-methyl and flufenacet is applied in weeding of wheat, corn and paddy rice fields, has the advantages of wide weeding spectrum, quick acting, low residue, low toxicity, safety, environmental protection and the like, and is a high-quality chemical herbicide for wheat, corn and paddy rice and other crops.
Description
Technical field
The invention belongs to technical field of pesticide, especially weed killer herbicide field, relate to a kind of mixed herbicide containing halosulfuronmethyl and flufenacet.This herbicidal composition can be applicable to wheat, corn, paddy field postemergence weed control.
Background technology
Halosulfuronmethyl (halosulfuronmethyl), molecular formula: C
13h
15clN
6o
7s, chemical name: 3-(4,6-dimethoxypyridin-2-base)-1-(1-methyl-3-chloro-4-methoxy formoxyl pyrazoles-5-base) sulfonylureas, has another name called: pyrrole chlorsulfuron.Halosulfuronmethyl belongs to novel sulfonic acid carbamide herbicides, is a kind of inhibitor of acetolactate synthestase, and absorbed by the root of weeds, stem and leaf, conduct in plant corpus, namely weeds stop growing, then withered.Be mainly used in preventing and kill off broad leaved weed and sedge weed, as piemarker, storehouse ear, datura, artemisiifolia, Amaranthus retroflexus, flowerofanhour root or herb, knotweed, kitchen garden, black nightshade, Cassia tora, lead a cow, the rhizome of nutgrass flatsedge etc.Suitable for crop as wheat, corn, paddy rice, sugarcane, lawn etc., before seedling and Miao Houjun can use.Because its rapid metabolization in crop is harmless object, therefore to crop safety.
Flufenacet (flufenacet), molecular formula: C
14h
13f
4n
3o
2s, the fluoro-N-isopropyl of chemical name: 4'--2-(5-Trifluoromethyl-1,3,4-thiadiazoles-2-base oxygen) antifebrin, belong to aryloxyl acetamide type compound, its mechanism of action is T suppression cell division and growth mainly, can effectively prevent and kill off before seedling and early stage multiple annual gramineous weed and some broad leaved weed after seedling.For corn, Soybean Field weeding before plantation or before seedling, before potato plantation or potato, weeding before sunflower seedling, the postemergence weed controls such as wheat, barley, paddy rice, corn.But cauline leaf process activity when flufenacet is alone is relatively low, and herbicide spectrum is narrower, and mu unit use cost is higher.
In recent years, due to the excessive use of weed killer herbicide, make the resistance of weeds to agricultural chemicals increasing.And halosulfuronmethyl, flufenacet are when being used alone as single dose, herbicide spectrum is narrow, and drug action is undesirable, thus causes weed control efficacy to reduce year by year.
Summary of the invention
The object of the invention is to develop immunity to drugs problem and the poor problem of single use control efficiency to farmland weed in prior art, a kind of mixed herbicide containing halosulfuronmethyl and flufenacet is provided, this Herbicidal combinations has high-efficiency broad spectrum, reduce pesticide usage amount, reduce residue of pesticide, Environmental compatibility is good, to advantages such as person poultry safeties.
Another object of the present invention is to provide the application of this weed killer herbicide in wheat, corn, agent for removing grass in paddy field.
The object of the invention is to be achieved through the following technical solutions:
Containing a mixed herbicide for halosulfuronmethyl and flufenacet, it is characterized in that this weed killer herbicide with halosulfuronmethyl and flufenacet for principle active component, the mass ratio of halosulfuronmethyl and flufenacet is 0.1 ~ 80:0.1 ~ 80; The mass ratio of halosulfuronmethyl and flufenacet is preferably 1 ~ 60:1 ~ 60, more preferably 2 ~ 14:1.
Both described halosulfuronmethyl and the flufenacet mass percentage in mixed herbicide is 1 ~ 85%, is preferably 6 ~ 75%, more preferably 20 ~ 75%.
In the binary built preparation of halosulfuronmethyl of the present invention and flufenacet, except active ingredient halosulfuronmethyl and flufenacet, the auxiliary agents such as conventional surfactants, thickener, solvent or the solid packing that pesticidal preparations allows can also be added and be mixed with any one formulation that agricultural chemicals allows.Preferably be processed into missible oil, suspending agent, aqueous emulsion, microemulsion, wetting powder, water dispersible granules.
Mixed herbicide containing halosulfuronmethyl and flufenacet of the present invention is preventing and treating the application in wheat, corn, agent for removing grass in paddy field, especially in the application of preventing and kill off annual and perennial grassy weed in wheat, corn, paddy field, sedge weed and broad leaved weed, having the advantage such as broad weed-killing spectrum, instant effect, residual low, low toxicity, safety and environmental protection, is the chemical herbicide of the crops such as the wheat of high-quality, corn, paddy rice.
Compared to the prior art, beneficial effect of the present invention:
1, activity of weeding is high.Herbicidal combinations of the present invention can kill weeds by two kinds of different mechanism, and make Weed Resistance produce speed and reduce, effective ingredient consumption reduces, but drastically increases the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Halosulfuronmethyl belongs to novel sulfonic acid carbamide herbicides, it is a kind of inhibitor of acetolactate synthestase, flufenacet belongs to aryloxyl acetamide type compound, its mechanism of action is T suppression cell division and growth mainly, both mechanisms are different, after both mixing, herbicidal spectrum is wider, can prevent and kill off annual and perennial grassy weed, sedge weed and broad leaved weed.
3, safety is high.Because the use content of various active ingredient reduces, make medicament under the prerequisite that improve drug effect, reduce residue of pesticide, it also avoid and raising be have also been obtained to wheat, corn, paddy rice and succession crop safety, avoid agricultural chemicals produces residual hazard possibility to people and animals.
Specific embodiments
Embodiment 1
Halosulfuronmethyl 70%, flufenacet 5%, dispersing agent MF 6%, maleic acid-acrylic acid copolymer sodium 3%, lauryl sodium sulfate 2%, white carbon 3%, add kaolin to 100%, formulation method is conveniently mixed with the wetting powder that mass percentage is 75%.
Embodiment 2
Halosulfuronmethyl 15%, flufenacet 5%, dimethylbenzene 15%, calcium dodecyl benzene sulfonate 2%, styrylphenol polyoxyethylene ether 2%, castor oil polyoxyethylene ether 4%, xanthans 0.15%, ethylene glycol 5%, adds water to 100%, and formulation method is conveniently mixed with the aqueous emulsion that mass percentage is 20%.
Embodiment 3
Halosulfuronmethyl 40%, flufenacet 20%, naphthalenesulfonate formaldehyde condensation compound 5%, lauryl sodium sulfate 2%, maleic acid-acrylic acid copolymer sodium 4%, ammonium sulfate 5%, white carbon 3%, adds kaolin to 100%, and formulation method is conveniently mixed with the water dispersible granules that mass percentage is 60%.
Embodiment 4
Halosulfuronmethyl 35%, flufenacet 5%, polyoxyethylene nonylphenol ether 3%, sodium lignin sulfonate 5%, lauryl sodium sulfate 0.5%, magnesium silicate 1%, xanthans 0.1%, propane diols 5%, polysiloxane defoamers 0.2%, Sodium Benzoate 0.3%, adds water to 100%, and formulation method is conveniently mixed with the suspending agent that mass percentage is 40%.
Embodiment 5
Halosulfuronmethyl 60%, flufenacet 10%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, adds kaolin to 100%, and formulation method is conveniently mixed with the water dispersible granules that mass percentage is 70%.
Embodiment 6
Halosulfuronmethyl 20%, flufenacet 5%, calcium dodecyl benzene sulfonate 5%, alkylphenol polyoxyethylene 3%, adds 150# solvent naphtha to 100%, and formulation method is conveniently mixed with the missible oil that mass percentage is 25%.
Embodiment 7
Halosulfuronmethyl 5%, flufenacet 1%, calcium dodecyl benzene sulfonate 5%, castor oil polyoxyethylene ether 5%, 150# solvent naphtha 15%, cyclohexanone 5%, ethylene glycol 5%, adds water to 100%, and formulation method is conveniently mixed with the microemulsion that mass percentage is 6%.
Embodiment 8
Halosulfuronmethyl 1%, flufenacet 9%, methyl naphthalene sulfonate formaldehyde condensate 6%, polyoxyethylene nonylphenol ether 3%, xanthans 0.3%, propane diols 5%, polysiloxane defoamers 0.2%, adds water to 100%, and formulation method is conveniently mixed with the suspending agent that mass percentage is 10%.
Embodiment 9
1) toxicity determination test
Utilize the binary built preparation of halosulfuronmethyl (A) in embodiment 1 ~ 4 and flufenacet (B), measure its co-toxicity coefficient to acalypha copperleaf.
Test method: be seeded in respectively in the Disposable paper cup of 9cm by the seed of quantitative acalypha copperleaf, sows 10 ~ 15 seeds in every glass, cultivates in illumination box, when acalypha copperleaf 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 toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is greater than 120, shows that two kinds of active principles have synergistic effect, and co-toxicity coefficient is between 80-120, and show that two kinds of active principles are summation action, co-toxicity coefficient is less than 80, shows that two kinds of active principles have antagonism.Measurement result is as shown in table 1.
Table 1 toxicity measurement result
As can be seen from the above table, the co-toxicity coefficient after two kinds of active principles are composite is all greater than 120, illustrates that the present invention has obvious synergistic effect.
2) field control effectiveness test.
Reagent agent:
4 kinds of re-compounded binary herbicides in embodiment 1 ~ 4.
Contrast medicament:
75% halosulfuronmethyl water dispersion granule (commercially available), 25% flufenacet suspending agent (commercially available).
For studying thing: wheat
Wheat seedling grows fine, robust plant, without other damage by disease and insect
Prevent and kill off object:
The weeds such as eleusine indica, Amaranthus retroflexus, acalypha copperleaf.
Test method:
According to the area of experimental plot, the good various medicament of precise, after being watered dilution, utilizes knapsack sprayer, carries out even spraying, the Fan spray head selecting weed killer herbicide special of spraying.During spraying, liquid be noted evenly to spray application in experimental plot, the spray of anti-Zhiduo County, drain spray phenomenon.
After test, after medicine, 20d, 40d observe weeds death condition respectively, and the activity of weeding of more various medicament.In addition, after medicine, the growing state (consumption is the consumption of every mu of active ingredient) of crop also in 1-15 days, to be observed, whether have poisoning to investigate medicament to crop.
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)
By table 2, table 3 is known, and Herbicidal combinations of the present invention has expansion herbicidal spectrum, improves activity of weeding, and has quick-acting and lasting effect.
Table 4 medicament is to the security survey result of crop
As shown in Table 4, the wheat seedling in each process community grows fine, and has no any medicine spot, illustrates that various medicament is all safe to wheat.
Claims (10)
1., containing a mixed herbicide for halosulfuronmethyl and flufenacet, it is characterized in that this weed killer herbicide with halosulfuronmethyl and flufenacet for principle active component, the mass ratio of halosulfuronmethyl and flufenacet is 0.1 ~ 80:0.1 ~ 80.
2. the mixed herbicide containing halosulfuronmethyl and flufenacet according to claim 1, is characterized in that the mass ratio of halosulfuronmethyl and flufenacet in this weed killer herbicide is 1 ~ 60:1 ~ 60.
3. the mixed herbicide containing halosulfuronmethyl and flufenacet according to claim 2, is characterized in that the mass ratio of halosulfuronmethyl and flufenacet in this weed killer herbicide is 2 ~ 14:1.
4. the mixed herbicide containing halosulfuronmethyl and flufenacet according to claim 1, is characterized in that both halosulfuronmethyl and the flufenacet mass percentage in weed killer herbicide is 1 ~ 85%.
5. the mixed herbicide containing halosulfuronmethyl and flufenacet according to claim 4, is characterized in that both halosulfuronmethyl and the flufenacet mass percentage in weed killer herbicide is 6 ~ 75%.
6. the mixed herbicide containing halosulfuronmethyl and flufenacet according to claim 5, is characterized in that both halosulfuronmethyl and the flufenacet mass percentage in weed killer herbicide is 20 ~ 75%.
7. the mixed herbicide containing halosulfuronmethyl and flufenacet according to claim 1, is characterized in that it with halosulfuronmethyl and flufenacet for the auxiliary agent that principle active component and agricultural chemicals allow is mixed with any one formulation.
8. the mixed herbicide containing halosulfuronmethyl and flufenacet according to claim 7, is characterized in that described formulation is missible oil, suspending agent, aqueous emulsion, microemulsion, wetting powder, water dispersible granules.
9. the mixed herbicide containing halosulfuronmethyl and flufenacet according to claim 1 is preventing and treating the application in wheat, corn, agent for removing grass in paddy field.
10. the mixed herbicide containing halosulfuronmethyl and flufenacet according to claim 1 is preventing and kill off the application of annual and perennial grassy weed in wheat, corn, paddy field, sedge weed and broad leaved weed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410495487.5A CN105432644A (en) | 2014-09-24 | 2014-09-24 | Mixed herbicide containing halosulfuron-methyl and flufenacet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410495487.5A CN105432644A (en) | 2014-09-24 | 2014-09-24 | Mixed herbicide containing halosulfuron-methyl and flufenacet |
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| CN105432644A true CN105432644A (en) | 2016-03-30 |
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|---|---|---|---|
| CN201410495487.5A Pending CN105432644A (en) | 2014-09-24 | 2014-09-24 | Mixed herbicide containing halosulfuron-methyl and flufenacet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857608A (en) * | 2017-02-24 | 2017-06-20 | 江苏省农用激素工程技术研究中心有限公司 | Composition pesticide and its application containing isoproturon, flufenacet and halosulfuronmethyl |
| CN109105381A (en) * | 2018-11-01 | 2019-01-01 | 山东省农业科学院植物保护研究所 | A kind of binary herbicidal composition and its preparation and the application of humulone containing quinoline and flucarbazone |
| WO2019034934A1 (en) * | 2017-08-14 | 2019-02-21 | Adama Agan Ltd. | Oil dispersable formulation |
| CN109757507A (en) * | 2015-12-03 | 2019-05-17 | 江苏龙灯化学有限公司 | A kind of Herbicidal combinations |
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|---|---|---|---|---|
| CN1527666A (en) * | 2001-06-13 | 2004-09-08 | �����ɷ� | Herbicidal composition |
| CN101946791A (en) * | 2010-09-28 | 2011-01-19 | 安徽丰乐农化有限责任公司 | Synergistic herbicide composition |
| CN101965846A (en) * | 2010-09-25 | 2011-02-09 | 安徽丰乐农化有限责任公司 | Maize seedling post compound herbicide containing flufenacet |
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2014
- 2014-09-24 CN CN201410495487.5A patent/CN105432644A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527666A (en) * | 2001-06-13 | 2004-09-08 | �����ɷ� | Herbicidal composition |
| CN101965846A (en) * | 2010-09-25 | 2011-02-09 | 安徽丰乐农化有限责任公司 | Maize seedling post compound herbicide containing flufenacet |
| CN101946791A (en) * | 2010-09-28 | 2011-01-19 | 安徽丰乐农化有限责任公司 | Synergistic herbicide composition |
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| UMEDA KAI ET AL: "Performance of Postemergence Herbicides for Cantaloupe Weed Control", 《VEGETABLE REPORT》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109757507A (en) * | 2015-12-03 | 2019-05-17 | 江苏龙灯化学有限公司 | A kind of Herbicidal combinations |
| CN106857608A (en) * | 2017-02-24 | 2017-06-20 | 江苏省农用激素工程技术研究中心有限公司 | Composition pesticide and its application containing isoproturon, flufenacet and halosulfuronmethyl |
| WO2019034934A1 (en) * | 2017-08-14 | 2019-02-21 | Adama Agan Ltd. | Oil dispersable formulation |
| CN109105381A (en) * | 2018-11-01 | 2019-01-01 | 山东省农业科学院植物保护研究所 | A kind of binary herbicidal composition and its preparation and the application of humulone containing quinoline and flucarbazone |
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Application publication date: 20160330 |