CN104686555A - Mixed herbicide containing flazasulfuron and bensulfuron methyl - Google Patents
Mixed herbicide containing flazasulfuron and bensulfuron methyl Download PDFInfo
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- CN104686555A CN104686555A CN201310656773.0A CN201310656773A CN104686555A CN 104686555 A CN104686555 A CN 104686555A CN 201310656773 A CN201310656773 A CN 201310656773A CN 104686555 A CN104686555 A CN 104686555A
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- flazasulfuron
- bensulfuron
- methyl
- herbicide
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Abstract
The invention discloses a mixed herbicide containing flazasulfuron and bensulfuron methyl. The herbicide takes flazasulfuron and bensulfuron methyl as the main effective components, and flazasulfuron and bensulfuron methyl are in a mass ratio of 1-80:1-80. The mixed herbicide provided by the invention has significant application effect in lawn weeding, especially in control and elimination of various Gramineae, cyperaceae and broadleaf weed in lawn. Relative to a single agent, under the premise of improving the efficacy, the herbicide provided by the invention delays weed resistance and has wide weeding spectrum, long duration and safety to lawn.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of weed killer herbicide, be specifically related to the two end number mixing built agent of a kind of flazasulfuron and bensulfuron-methyl, this herbicidal composition can be applicable to before turf weed seedling or postemergence weed control.
Background technology
Along with the quickening of Urbanization in China, the lifting of urban afforestation standard and increasing substantially of urban size, arising at the historic moment in various lawn, has caused the great demand to lawn, and Development of Turf has good business opportunity., aesthetic firm in infrastructure such as guarantee highway, railway, airport, reservoir, riverbank, Hu Di, lawn is important auxiliary equipment; In urban construction, afforestation, can better people's living environment greatly in lawn, effectively reduce " tropical island effect " in city.The area of green grassland, quality reflect The Surroundings in Cities quality and civilization degree.Some developed countries as the city of the U.S., European Union especially using Lawn Industry as one of national pillar industry.At present, the Lawn Industry of China has large development, but not yet forms complete integrated industrial system.Lawn is beautified and is improved in China's urban construction, living environment in the spiritual civilization level of the people and plays key player, and it not only has very high economic benefit, and has huge ecological benefits and social benefit.
But, because management is improper, there is Quality Down in a lot of lawn, the problems such as turfgrass is dead, weedy, damage by disease and insect occur again and again, the use value on serious reduction lawn and landscape value, cause a large amount of fund wastes, so research turf management technology, especially Kill weeds technology is the important measures changing lawn present situation and improve ecotope.
Artificial weeding, throwing work is large, weeding is thorough, has the disadvantage of trampleing on lawn, thus reduces turf quality.Some places have to change lawn, costly.Chemical weed control saving of work and time, low-cost high-efficiency, later stage weeds generating capacity is few, and this is that artificial uprooting weed institute can not be than.And chemical weed control also has sealing process, the weeds later newly gone out want much less.Chemical weed control is few to lawn interference, for Turfgrass Growth provides rational environment.Weeding expense is low, and an expense is the l/3-l/4 of labour cost, and the expense of a year is the 1/4-1/5 of labour cost.Labour intensity is low, and a people can spray 7-9 mu lawn every day, and machine nebulization efficiency is higher, has large area weeding advantage.In order to reduce the economic loss that crop smothering causes, reduce labor intensity, simultaneously also because chemical weed control is convenient, quick-acting, the control time is long, chemical weed control is gradually by people are accepted.
Flazasulfuron (flazasulfuron) is the sulfonylurea herbicide being originated in the exploitation of industry chemical company by Japanese stone.Chemical name 1-(4,6-dimethoxypyridin-2-base)-3-(3-trifluoromethyl-2-pyridine sulfonyl sulfonyl) urea, its structural formula is as follows:
Acetolactate synthestase (ALS) inhibitor.The main reaction suppressing the predecessor acetolactate synthestase producing side chain amino acid, leucine, isoleucine and valine.This medicament broad weed-killing spectrum, annual broad-leaved and grassy weed in Weeds in Turf that can not only be fabulous, and perennial broadleaf weed and sedge weed can also be prevented and kill off, as lady's-grass, barnyard grass, eleusine indica, annual bluegrass, amur foxtail, green foxtail, the rhizome of nutgrass flatsedge, kyllinga brevifolia, cyperus iria, difformed galingale herb, alternanthera philoxeroides, Horseweed Herb, white clover, it is recklessly appropriate, Tufted Cerastium, creeping oxalis, hairy tare, pale reddish brown order place, clover, pale persicaria, sheep hoof, class humid euphorbia, greater plantain, argy wormwood, sweet vernal grass, green amaranth, shepherd's purse, chickweed etc., to short leaf kyllinga brevifolia, lady's-grass and rhizome of nutgrass flatsedge preventive effect splendid.
Generally, process after weeds stop growing immediately, absorbs the leaf chlorisis newly sent afterwards for 4-5 days, then gradually necrosis and spread to whole plant 20-30 days weeds thoroughly withered.This medicament absorbs by weeds cauline leaf, and can suppress suppressing weed seed germination in soil again, the control time is longer, and the lasting period is about more than 40 days in spring and summer, and autumn and winter is more than 120 days.
Flazasulfuron is the herbicides special that first, China is formally registered on warm-season turf (Korea lawn grass class and Bermuda grass class).Can rapidly medicament be decomposed, be converted into innocuous substance after Korea lawn grass contacts medicament with Bermuda grass class turfgrass, the normal growth on lawn can not be affected, high to turfgrass safety.Use in lawn resting stage, germination in the future and growth can not be affected.Be widely used in greening lawn, golf course etc.
Bensulfuron-methyl (bensulfuron methyl); be Nongdeshi again; the sulfonylurea herbicide developed by E.I.Du Pont Company, chemical name: α-{ [(4,6-dimethoxypyridin-α-Ji) amino carbonyl amino] sulfonvlmethvl } methyl benzoate.Its structural formula is as follows:
Bensulfuron-methyl is selectivity inner-adsorption conduction-type herbicide.Active ingredient can spread rapidly in water, transfers to each portion of weeds, the biosynthesis of hindered aminoacid, lysine, isoleucine, stop division and the growth of cell for weeds root and blade absorb.Susceptible weeds GF is obstructed, and tender tissue turns to be yellow too early and suppresses the growth of leaf portion, hinders root growth and downright bad.Using method is flexible, available pesticide-clay mixture, mispickel, spraying, sprinkles methods such as watering.In soil, mobility is little, and temperature, soil property are little on the impact of its herbicidal effect.Effectively can prevent and treat life in 1 year and perennial broadleaf weed and nutgrass flatsedge, can be absorbed by weeds root, leaf and pass to other positions.Be mainly used in preventing and kill off broad leaved weed and sedge weed as Monochoria vaginalis, pondweed, mexicana, chickweed, Monochoria korsakowii, difformed galingale herb, Herba Cyperi Glomerati, cyperus iria, kitchen garden etc.To grassy weed weak effect.
Current lawn herbicide limit by safety, herbicide spectrum is also limited, be used alone the generation that a kind of weed killer herbicide single dose can not control paddy field weed completely effectively, moreover some weed killer herbicide is due to water-soluble large or the field lasting period is oversize, consumption is excessive or the uneven residual hazard all easily caused this season crop or succession crop of dispenser.Therefore, the present invention is made into mixture after selecting the flazasulfuron of pluses and minuses complementation and bensulfuron-methyl two kinds of suitable decrements of weed killer herbicide and uses, so both decrease the consumption of medicament, significantly improve herbicidal effect, it also avoid possibility lawn being produced to poisoning and residual hazard.
Summary of the invention
The object of this invention is to provide a kind of mixed herbicide containing flazasulfuron and bensulfuron-methyl.
Another object of the present invention is to provide the application of this weed killer herbicide before the seedling of lawn, in postemergence weed control.
Containing a mixed herbicide for flazasulfuron and bensulfuron-methyl, it is characterized in that this weed killer herbicide with flazasulfuron and bensulfuron-methyl for principle active component, the mass ratio of flazasulfuron and bensulfuron-methyl is 1 ~ 80:1 ~ 80.The mass ratio of preferred flazasulfuron and bensulfuron-methyl is 1 ~ 10:1 ~ 10, and preferably the mass ratio of flazasulfuron and bensulfuron-methyl is 1:1 ~ 10 further, and most preferably the mass ratio of flazasulfuron and bensulfuron-methyl is 1:6 ~ 9.
In mixed herbicide, both flazasulfuron and the bensulfuron-methyl mass percentage in weed killer herbicide is 1 ~ 85%, and preferred mass percentage composition is 10 ~ 80%, and the mass percentage most preferably both flazasulfuron and bensulfuron-methyl in weed killer herbicide is 10 ~ 45%.
In the binary built preparation of flazasulfuron of the present invention and bensulfuron-methyl, except the active ingredient such as flazasulfuron and bensulfuron-methyl, 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 water dispersion granule, wetting powder etc.
Mixed herbicide of the present invention can application before turf weed seedling or in postemergence weed control, and particularly in Weeds in Turf, in various grass family, sedge family and broad leaved weed, application has remarkable result.
Herbicidal composition of the present invention has the following advantages:
1, activity of weeding is high.Flazasulfuron is inhibitor of acetolactate synthetase.Absorb mainly through root and stem and be sent to meristematic tissue by conducting tissue, suppress the biosynthesis of branched-chain amino acid (as serine, isoleucine).Bensulfuron-methyl is selectivity inner-adsorption conduction-type herbicide, and active ingredient can spread rapidly in water, absorbs and transfer to each portion of weeds, the biosynthesis of hindered aminoacid, lysine, isoleucine for weeds root and blade, stops division and the growth of cell.Susceptible weeds GF is obstructed, and tender tissue turns to be yellow too early and suppresses the growth of leaf portion, hinders root growth and downright bad.That is, herbicidal composition of the present invention, under the prerequisite reducing dosage, greatly can improve the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Flazasulfuron and bensulfuron-methyl are all sulfonylurea herbicides, after both mixing, and action compensating, herbicidal spectrum is wider, because flazasulfuron is mainly effective to annual broad-leaved and grassy weed, perennial broadleaf weed and sedge weed can also be prevented and kill off, soil and foliage application.And bensulfuron-methyl is mainly used in preventing and kill off broad leaved weed and sedge weed, and using method is flexible, and available pesticide-clay mixture, poison are husky, spraying, sprinkle methods such as watering.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.Owing to using sulfonylurea herbicide weeds easily to produce resistance in a large number, containing two kinds of sulfonylurea herbicides in weed killer herbicide of the present invention, reduce the consumption of medicament, delayed the generation of herbicide resistance simultaneously, extended the service life of medicament.
4, safety is high.Herbicidal composition of the present invention, is applied to Kill weeds, and it can various grass family, sedge family and broad leaved weed in Weeds in Turf, under the prerequisite improving drug effect, has safety to lawn.
Therefore, mixed herbicide of the present invention can be applied in the weed killer herbicide preparing Kill weeds, particularly applies in various grass family, sedge family and broad leaved weed in Weeds in Turf.
Embodiment
Embodiment 1
Flazasulfuron 1%, bensulfuron-methyl 9%, 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 water dispersible granules that mass percentage is 10%.
Embodiment 2
Flazasulfuron 2%, bensulfuron-methyl 18%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 9%, alkylphenol polyoxyethylene 5%, sodium lignin sulfonate to 100%, formulation method is conveniently mixed with the water dispersible granules that mass percentage is 20%.
Embodiment 3
Flazasulfuron 5%, bensulfuron-methyl 30%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, and formulation method is conveniently mixed with the wetting powder that mass percentage is 35%.
Embodiment 4
Flazasulfuron 10%, bensulfuron-methyl 60%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, sodium lignin sulfonate 5%, white carbon 9%, kaolin supplies 100%, and formulation method is conveniently mixed with the wetting powder that mass percentage is 70%.
Embodiment 5
Flazasulfuron 70%, bensulfuron-methyl 1%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, sodium lignin sulfonate 4%, white carbon 9%, kaolin supplies 100%, and formulation method is conveniently mixed with the water dispersible granules that mass percentage is 71%.
Embodiment 6
Flazasulfuron 20%, bensulfuron-methyl 30%, NN O(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 9%, alkylphenol polyoxyethylene 5%, sodium lignin sulfonate to 100%, formulation method is conveniently mixed with the wetting powder that mass percentage is 50%.
Embodiment 7
1), toxicity determination test
Utilize the preparation in embodiment 1 ~ 4, measure its co-toxicity coefficient to lawn common weed chickweed.
Test method: be seeded in respectively in the Disposable paper cup of 9cm by the seed of quantitative chickweed, sows 10 ~ 15 seeds in every glass, cultivates in illumination box, when chickweed 2 ~ 3 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, and show that two kinds of active principles have synergistic effect, co-toxicity coefficient is less than 120, 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:
25% flazasulfuron water dispersible granules (commercially available), 10% bensulfuron-methyl wetting powder (commercially available).
For examination lawn: Bermuda grass
Bermuda grass seedling was 3 ~ 5 leaf phases, grew fine, robust plant, without other damage by disease and insect.
Prevent and kill off object:
The turf weed such as lady's-grass, barnyard grass, eleusine indica, annual bluegrass, amur foxtail, green foxtail, chickweed, summer cypress, nutgrass flatsedge, benbie, cyperus iria, difformed galingale herb.
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, after medicine, the condition of production of Bermuda grass also in 1 ~ 15d, to be observed, whether have poisoning to investigate medicament to lawn.
Embodiments of the invention preparation Herbicidal Testing Trials effect sees the following form 20d after 2(medicine) and table 3(medicine after 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 grass family, sedge weed and broad leaved weed, significantly building performance, and the lasting period is long.
Table 4 medicament is to the security survey result on lawn
Bermuda grass in each process community grows fine, and has no any medicine spot, illustrates that various medicament is all safe to Bermuda grass.
Claims (10)
1., containing a mixed herbicide for flazasulfuron and bensulfuron-methyl, it is characterized in that this weed killer herbicide with flazasulfuron and bensulfuron-methyl for principle active component, the mass ratio of flazasulfuron and bensulfuron-methyl is 1 ~ 80:1 ~ 80.
2. the mixed herbicide containing flazasulfuron and bensulfuron-methyl according to claim 1, is characterized in that the mass ratio of flazasulfuron and bensulfuron-methyl in this weed killer herbicide is 1 ~ 10:1 ~ 10.
3. the mixed herbicide containing flazasulfuron and bensulfuron-methyl according to claim 1, is characterized in that the mass ratio of flazasulfuron and bensulfuron-methyl in this weed killer herbicide is 1:1 ~ 10.
4. the mixed herbicide containing flazasulfuron and bensulfuron-methyl according to claim 1, is characterized in that the mass ratio of flazasulfuron and bensulfuron-methyl in this weed killer herbicide is 1:6 ~ 9.
5., according to the mixed herbicide described in claim 1,2,3 or 4, it is characterized in that both flazasulfuron and the bensulfuron-methyl mass percentage in weed killer herbicide is 1 ~ 85%.
6., according to the mixed herbicide described in claim 5, it is characterized in that both flazasulfuron and the bensulfuron-methyl mass percentage in weed killer herbicide is 10 ~ 45%.
7., according to the mixed herbicide described in claim 1,2,3 or 4, it is characterized in that it with flazasulfuron and bensulfuron-methyl for the auxiliary agent that principle active component and agricultural chemicals allow is mixed with any one formulation.
8., according to the mixed herbicide described in claim 7, it is characterized in that described formulation is water dispersion granule, wetting powder.
9. the application of mixed herbicide before turf weed seedling or in postemergence weed control described in claim 1,2,3 or 4.
10. the application of mixed herbicide in Weeds in Turf in various grass family, sedge family and broad leaved weed described in claim 1,2,3 or 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656773.0A CN104686555A (en) | 2013-12-05 | 2013-12-05 | Mixed herbicide containing flazasulfuron and bensulfuron methyl |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310656773.0A CN104686555A (en) | 2013-12-05 | 2013-12-05 | Mixed herbicide containing flazasulfuron and bensulfuron methyl |
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| CN104686555A true CN104686555A (en) | 2015-06-10 |
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| CN201310656773.0A Pending CN104686555A (en) | 2013-12-05 | 2013-12-05 | Mixed herbicide containing flazasulfuron and bensulfuron methyl |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087630A (en) * | 2017-05-10 | 2017-08-25 | 镇江润祥园林科技发展有限公司 | A kind of formula of roegneria kamoji weeds in field of degrading and its application process and application |
| CN107410341A (en) * | 2017-05-10 | 2017-12-01 | 镇江润祥园林科技发展有限公司 | A kind of compound prescription and its application method and application that management of weeds is carelessly planted for rattail fescue |
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| CN85109761A (en) * | 1984-12-06 | 1986-12-17 | 石原产业株式会社 | N-[(4,6-dimethoxypyridin-2-yl) aminocarboxyl]-production method of 3-5-flumethiazine-2-sulfanilamide (SN) and salt thereof, and the pesticide composition that contains it |
| CN1058132A (en) * | 1990-06-20 | 1992-01-29 | 石原产业株式会社 | Herbicidal combinations |
| EP0764404A1 (en) * | 1995-09-21 | 1997-03-26 | Ishihara Sangyo Kaisha, Ltd. | Granular herbicidal composition |
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2013
- 2013-12-05 CN CN201310656773.0A patent/CN104686555A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85109761A (en) * | 1984-12-06 | 1986-12-17 | 石原产业株式会社 | N-[(4,6-dimethoxypyridin-2-yl) aminocarboxyl]-production method of 3-5-flumethiazine-2-sulfanilamide (SN) and salt thereof, and the pesticide composition that contains it |
| CN1058132A (en) * | 1990-06-20 | 1992-01-29 | 石原产业株式会社 | Herbicidal combinations |
| EP0764404A1 (en) * | 1995-09-21 | 1997-03-26 | Ishihara Sangyo Kaisha, Ltd. | Granular herbicidal composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087630A (en) * | 2017-05-10 | 2017-08-25 | 镇江润祥园林科技发展有限公司 | A kind of formula of roegneria kamoji weeds in field of degrading and its application process and application |
| CN107410341A (en) * | 2017-05-10 | 2017-12-01 | 镇江润祥园林科技发展有限公司 | A kind of compound prescription and its application method and application that management of weeds is carelessly planted for rattail fescue |
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