CN104397000B - A kind of mixed herbicide containing flazasulfuron, fluroxypyr and pyributicarb - Google Patents
A kind of mixed herbicide containing flazasulfuron, fluroxypyr and pyributicarb Download PDFInfo
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- CN104397000B CN104397000B CN201410717563.2A CN201410717563A CN104397000B CN 104397000 B CN104397000 B CN 104397000B CN 201410717563 A CN201410717563 A CN 201410717563A CN 104397000 B CN104397000 B CN 104397000B
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Abstract
The invention discloses a kind of mixed herbicide containing flazasulfuron, fluroxypyr and pyributicarb, this herbicide is taking flazasulfuron, fluroxypyr and pyributicarb as main active ingredient, wherein, the mass ratio of flazasulfuron, fluroxypyr and pyributicarb is 0.1～80:0.1～80:0.1～80. The present invention can be applicable to the weeding before the seedling of lawn, after seedling, is particularly applied in various grass family, Cyperaceae and broad leaved weed in Weeds in Turf, and effect is remarkable. The present invention has higher synergistic function, delays Weed Resistance, and herbicidal spectrum is wide, and the lasting period is long, and lawn is had to security, and its successful uses higher than single dose.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of herbicide, be specifically related to a kind of flazasulfuron, fluroxypyr and barnyard grassThe ternary of fear is mixed built agent, and this herbicidal composition can be applicable to before the seedling of lawn, postemergence weed control.
Background technology
Along with quickening, the lifting of urban afforestation standard and the increasing substantially of urban size of Urbanization in China, various grassArising at the historic moment in level ground, has caused the great demand to lawn, and Development of Turf has good business opportunity. Ensure highway, railway,The infrastructure such as airport, reservoir, riverbank, Hu Di are firm, aesthetic, and lawn is important auxiliary equipment; Build in cityIf, afforestation aspect, " tropical island effect " in city can be bettered people's living environment, effectively be reduced in lawn greatly. Lawn is greenArea, the quality on ground have reflected The Surroundings in Cities quality and civilization degree. Some developed countries as the city of the U.S., European Union moreUsing Lawn Industry as one of national pillar industry. At present, the Lawn Industry of China has large development, but not yet forms completeIntegrated industrial system. Play the part of in the people's spiritual civilization level is beautified and improved to China's urban construction, living environment on lawnDrilling key player, 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, turfgrass death, weedy, disease and pest in a lot of lawnsAgain and again occur etc. problem, seriously reduce use value and the landscape value on lawn, cause a large amount of fund wastes, so researchTurf management technology, especially Kill weeds technology are the important measures that change lawn present situation and improve ecological environment.
Artificial weeding, throwing work is large, weeding is not thorough, has the disadvantage of trampleing on lawn, thereby reduces turf quality. Some placesHave to change lawn, costly. Chemical weed control saving of work and time, low-cost high-efficiency, later stage weeds generating capacity is few, thisBe artificial uprooting weed can not than. And chemical weed control also has sealing process, the weeds that newly go out are wanted much less later. Chemistry removesGrass disturbs few to lawn, for Turfgrass Growth provides rational environment. Weeding expense is low, what expense was labour costL/3-l/4, the 1/4-1/5 that the expense of a year is labour cost. Labour intensity is low, and a people can spray 7-9 mu lawn every day,Machine nebulization efficiency is higher, has large area weeding advantage. The economic loss causing in order to reduce crop smothering, lightens one's labor strongDegree, also because chemical weed control is convenient, quick-acting, the control time is long, chemical weed control is gradually by people are accepted simultaneously.
Flazasulfuron (flazasulfuron) is the sulfonylurea herbicide by the exploitation of Japanese Shi Yuan industry chemical company. ChangeFormal name used at school claims 1-(4,6-dimethoxypyridin-2-yl)-3-(3-trifluoromethyl-2-pyridine sulphonyl) urea, its structural representationScheme as follows:
Flazasulfuron is acetolactate synthestase (ALS) inhibitor. Main generation side chain amino acid, the leucine, different of suppressingThe reaction of the predecessor acetolactate synthestase of leucine and valine. This medicament broad weed-killing spectrum, anti-weeding that can not only be fabulousAnnual broad-leaved and grassy weed in level ground, and can also prevent and kill off perennial broadleaf weed and sedge weed, as lady's-grass, barnyard grassGrass, eleusine indica, annual bluegrass, amur foxtail, green bristlegrass, the rhizome of nutgrass flatsedge, kyllinga brevifolia, cyperus iria, difformed galingale herb, hollow lotusSon grass, Horseweed Herb, white clover, day Hu are appropriate, Tufted Cerastium, creeping oxalis, hairy tare, pale reddish brown order place, clover, acidMould leaf knotweed, sheep hoof, class humid euphorbia, greater plantain, argy wormwood, sweet vernal grass, green amaranth, shepherd's purse, benbie, common vetch, chickweed etc.,Splendid to short leaf kyllinga brevifolia, lady's-grass and rhizome of nutgrass flatsedge preventive effect.
Generally, after processing, weeds stop growing immediately, absorb the leaf chlorisis newly sending afterwards for 4-5 days, then graduallyNecrosis also spreads to whole plant 20-30 days weeds thoroughly withered. This medicament can absorb by weeds cauline leaf, can suppress again soilSuppressing weed seed germination in earth, the control time is longer, the lasting period was about more than 40 days in spring and summer, autumn and winter be 120 days withOn.
Flazasulfuron be China first be formally registered in the special weeding on warm-season turf (Korea lawn grass class and Bermuda grass class)Agent. After Korea lawn grass contacts medicament with Bermuda grass class turfgrass, can rapidly medicament be decomposed, be converted into innocuous substance, can not affectThe normal growth on lawn, safe to turfgrass. Use in lawn rest period, can not affect germination and growth in the future.Be widely used in greening lawn, golf course etc.
Fluroxypyr (Fluroxypyr), is the pyridine oxycarboxylic acid class herbicide of being developed by DowChemicalCo., chemical name:4-amino-3, the fluoro-2-pyridine of the chloro-6-of 5-bis-fluoroacetic acid, its structural representation is as follows:
Fluroxypyr is pyridine fluoroacetic acid class herbicide. There is interior suction conduction, after medicine, be absorbed by plants very soon sensitive cropThere is the reaction of typical hormone herbicide, plant deformity, distortion. Temperature on the final effect of its weeding without impact, but shadowRing the speed of its drug effect performance. Generally in the time that temperature is low, drug effect performance slowly, can make to stop growing after dunsiekte, but not verticalDead, after temperature raises, plant is very fast dead. Use optimum period wider, can be used for wheat, barley, corn, grape and fruitBroad leaved weed is prevented and kill off on the ground such as garden, pasture, forest farm, as clearvers, field bindweed, shepherd's purse, ball order grasswort, chickweed, dayflower,Monochoria vaginalis, volume stem knotweed, Amaranthus retroflexus, black nightshade, common vetch, field bindweed, little japanese bearbind, weasel hemp nettle, pale persicaria, willow leaf thorn knotweed,Alternanthera philoxeroides, humulus grass, elscholtiza, vetch, broadcast the weeds such as ma wormwood artemisia, purslane.
Pyributicarb (pyributicarb) is the sulfo-by the development of Cao Da industrial group of Japanese Japan, the exploitation of Dainippon companyChloropropham. Chemical name: O-3-tert-butyl-phenyl-6-methoxyl group-2-pyridine (methyl) sulfo-amino firstIts structural formula of acid esters is as follows:
Pyributicarb belongs to dithiocarbamate herbicide, is absorbed by root, leaf and the stem of weeds, is transferred to sensitive part, presses downRoot processed and aerial part extend. Mainly prevent and kill off barnyard grass, lady's-grass, green bristlegrass, difformed galingale herb, Monochoria vaginalis, short arrowhead, firefly Lin,The annual gramineaes such as bog pondweed and broad leaved weed. Before weed germination, using can Weeds in Turf annual grassy weeds.
Lawn herbicide is limit by security at present, and herbicide spectrum is also limited, uses separately a kind of herbicide single dose not have completelyThe generation of turf weed is controlled on effect ground, moreover some herbicide due to water-soluble large or the field lasting period is oversize, consumption is excessive orThe inhomogeneous residual hazard that all easily causes of dispenser.
Summary of the invention
The object of this invention is to provide a kind of mixed herbicide containing flazasulfuron, fluroxypyr and pyributicarb.
Another object of the present invention is to provide the application of this herbicide in Kill weeds.
For achieving the above object, the present invention selects herbicide spectrum different, flazasulfuron, fluroxypyr and the pyributicarb of pluses and minuses complementationAfter three kinds of suitable decrements of herbicide, be made into mixture and use, so both expanded herbicide spectrum, obviously improved herbicidal effect, also keep awayExempt from lawn to produce the possibility of poisoning and residual hazard. The following technical scheme of the concrete employing of the present invention:
Containing a mixed herbicide for flazasulfuron, fluroxypyr and pyributicarb, this herbicide is with flazasulfuron, fluroxypyr and barnyard grassGrass fear is main active ingredient, and wherein, the mass ratio of flazasulfuron, fluroxypyr and pyributicarb is 0.1～80:0.1～80:0.1～80。
In this mixed herbicide, the mass ratio of flazasulfuron, fluroxypyr and pyributicarb is preferably 1～70:1～60:1～60.More preferably 1～5:1～60:1～25 of the mass ratio of flazasulfuron, fluroxypyr and pyributicarb.
In a kind of technical scheme, the mass ratio of flazasulfuron, fluroxypyr and pyributicarb is preferably 1～5:1～5:1～25.
In another kind of technical scheme, the mass ratio of flazasulfuron, fluroxypyr and pyributicarb is 1:1:18 or 3:2:25Or 5:4:1 or 3:60:2.
In mixed herbicide of the present invention, flazasulfuron, fluroxypyr and the pyributicarb three quality percentage composition in herbicideBe 1～85%, preferred mass percentage composition is 15～80%, and most preferably quality percentage composition is 10～65%.
In the ternary built preparation of flazasulfuron of the present invention, fluroxypyr and pyributicarb, except flazasulfuron, fluroxypyr and barnyard grassOutside the active ingredients such as grass fear, can also add the conventional surfactants, thickener, solvent or the solid that on pesticidal preparations, allowThe auxiliary agents such as filler and excipient are mixed with any one formulation allowing on agricultural chemicals. Preferably be processed into suspending agent, wettable powder,Water dispersion granule, missible oil, microcapsule formulations.
The present invention can be applicable to the weeding before the seedling of lawn, after seedling, is particularly applied in various grass family, nutgrass flatsedge in Weeds in TurfSection and broad leaved weed, effect is remarkable.
Herbicidal composition of the present invention has the following advantages:
1, Synergistic, activity of weeding are high. Flazasulfuron is inhibitor of acetolactate synthetase. Mainly by root and stemPortion absorbs and is sent to separate living tissue by conducting tissue, suppresses the biosynthesis of branched-chain amino acid (as serine, isoleucine).Fluroxypyr is inner sucting conduction type herbicide after seedling, makes sensitive crop occur the reaction of typical hormone herbicide, plant deformity,Distortion. Pyributicarb belongs to dithiocarbamate herbicide, is absorbed by root, leaf and the stem of weeds, is transferred to sensitive part,Suppressing root and aerial part extends. That is to say, herbicidal composition of the present invention can kill by three kinds of different approachesDead weeds, produce higher synergistic function, can greatly improve the removing activity of herbicide.
2, herbicidal spectrum is wide, and the lasting period is long. After flazasulfuron, fluroxypyr mix with pyributicarb three, action compensating, removesGrass spectrum is wider, and flazasulfuron is mainly effective to broad leaved weed and sedge weed, and can spread pesticide-clay mixture or spraying; FluroxypyrIt is invalid to grass family and sedge weed to be that pyridines herbicide is mainly used in preventing and kill off broad leaved weed, foliage-spray. Pyributicarb masterPrevent and kill off annual gramineous weed and part broad leaved weed. So herbicide of the present invention has the dual of foliar treatment and feudAct on, extended the lasting period of medicament.
3, delay Weed Resistance. Because weeds easily produce resistance to sulfonylurea herbicide, and herbicide of the present inventionIn contain pyridines herbicide fluroxypyr and dithiocarbamate herbicide pyributicarb, medicament can be prevented effectivelyExcept the weeds of anti-sulfonylurea, in addition, reduce the resistance to the action of a drug of weeds, extend the service life of medicament.
4, safe. Herbicidal composition of the present invention, is applied to Kill weeds, and they are various in can Weeds in TurfGrass family, Cyperaceae and broad leaved weed, having improved under the prerequisite of drug effect, have security to lawn.
Therefore, mixed herbicide of the present invention can be applied in the herbicide of preparing Kill weeds, particularly in anti-weedingIn level ground, in various grass family, Cyperaceae and broad leaved weed, apply.
Detailed description of the invention
Embodiment 1
Flazasulfuron 1%, fluroxypyr 1%, pyributicarb 18%, APES 4%, polyoxyethylene polyoxy third is rareBlock compound 5%, thickener 2%, vegetable oil to 100%, is mixed with quality percentage composition according to conventional formulation methodIt is 20% suspending agent.
Embodiment 2
Flazasulfuron 3%, fluroxypyr 2%, pyributicarb 25%, NN0 (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 9%, alkyl phenolAPEO 5%, sodium lignin sulfonate to 100%, being mixed with quality percentage composition according to conventional formulation method is 30%Suspending agent.
Embodiment 3
Flazasulfuron 5%, fluroxypyr 4%, pyributicarb 1%, sodium lignin sulfonate 7%, neopelex 5%,Ammonium sulfate 5%, diatomite supplies 100%, and being mixed with quality percentage composition according to conventional formulation method is 10% moistureScattered seed agent.
Embodiment 4
Flazasulfuron 3%, fluroxypyr 60%, pyributicarb 2%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, ligninSodium sulfonate 5%, white carbon 9%, kaolin supplies 100%, is mixed with quality percentage composition to be according to conventional formulation method65% wettable powder.
Embodiment 5
Flazasulfuron 70%, fluroxypyr 5%, pyributicarb 5%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, ligninSodium sulfonate 4%, white carbon 5%, kaolin supplies 100%, is mixed with quality percentage composition to be according to conventional formulation method80% wettable powder.
Embodiment 6
Flazasulfuron 10%, fluroxypyr 10%, pyributicarb 60%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 9%, alkaneBase phenol polyethenoxy ether 5%, sodium lignin sulfonate to 100%, is mixed with quality percentage composition according to conventional formulation methodBe 80% missible oil.
Embodiment 7
1), toxicity determination test
Utilize the preparation in embodiment 1～4, measure its co-toxicity coefficient to lawn common weed Monochoria vaginalis.
Test method: the seed of quantitative Monochoria vaginalis is seeded in respectively in the Disposable paper cup of 9cm to sowing in every glass10～15 seeds are cultivated in illumination box, in the time of 3～6 leaf phase of Monochoria vaginalis, do to carry out on composition spray in crawler typeSpraying is processed. After processing, in greenhouse, continue to cultivate, routine observation is respectively processed the preventive effect to weeds, after 30d, weighs everywhereWeeds fresh weight after reason, by the method that the nineteen sixties such as Sun Yunpei propose, calculates its toxicity regression curve and co-toxicity coefficient. AltogetherPoison coefficient is greater than 120, shows that three kinds of active principles have synergy, and co-toxicity coefficient is greater than 100, shows three kinds of working substancesMatter has synergistic effect, and co-toxicity coefficient is less than 100, shows that three kinds of active principles have antagonism. Measurement result is as table 1Shown in.
Table 1 toxicity measurement result
As can be seen from the above table, the co-toxicity coefficient after three kinds of active principles are composite is all greater than 120, illustrates that the present invention has obviouslySynergy and synergistic effect.
2), field control effectiveness test
Reagent agent:
4 kinds of ternary built herbicides in embodiment 1～4.
Contrast medicament:
25% flazasulfuron water dispersible granules (commercially available), 20% fluroxypyr missible oil (commercially available), 47% pyributicarb wettable powder(commercially available).
For trying lawn: Bermuda grass
Bermuda grass was 3～5 leaf phases, grew fine, and robust plant, without other disease and pests.
Prevent and kill off object:
Rhizoma alismatis, nutgrass flatsedge, apple, bog pondweed, arrowhead, difformed galingale herb, ball order grasswort, chickweed, lady's-grass, green bristlegrass, barnyard grass,The lawn gesture weeds such as eleusine indica.
Test method:
According to the area of experimental plot, accurately weigh good various medicaments, and be watered after dilution, utilize knapsack sprayer, enterRow even spraying, the Fan spray head that sprinkler selection herbicide is special. When spraying, note that liquid is evenly sprayed application to test littleQu Zhong, the phenomenon of accomplishing there is no drain spray, spraying more.
After test, after medicine, 20d, 40d observe weeds death condition respectively, and the activity of weeding of more various medicaments. In addition,Whether the growing state that also will observe lawn after medicine in 1～15d, have poisoning to investigate medicament to lawn.
Embodiments of the invention preparation weeding test effect see the following form 2 (20d after medicine) and table 3 (40d after medicine)
Table 2 field control effectiveness test result (20d after medicine)
Table 3 field control effectiveness test result (40d after medicine)
From table 2 and table 3, can find out, the present invention has significantly grassy weed, sedge weed and broad leaved weedPreventive effect, synergy is remarkable, and the lasting period is long.
The security survey result of table 4 medicament to lawn
Growing fine in each lawn of processing in community, has no any medicine spot, illustrates that various medicaments are to all safety of lawn.
Claims (9)
1. containing a mixed herbicide for flazasulfuron, fluroxypyr and pyributicarb, it is characterized in that this herbicide is taking flazasulfuron, fluroxypyr and pyributicarb as active ingredient, the mass ratio of flazasulfuron, fluroxypyr and pyributicarb is 1～5:1～60:1～25.
2. the mixed herbicide containing flazasulfuron, fluroxypyr and pyributicarb according to claim 1, the mass ratio that it is characterized in that flazasulfuron, fluroxypyr and pyributicarb in this herbicide is 1～5:1～5:1～25.
3. the mixed herbicide containing flazasulfuron, fluroxypyr and pyributicarb according to claim 1, the mass ratio that it is characterized in that flazasulfuron, fluroxypyr and pyributicarb in this herbicide is 1:1:18 or 3:2:25 or 5:4:1 or 3:60:2.
4. according to the mixed herbicide containing flazasulfuron, fluroxypyr and pyributicarb described in any one in claim 1 ~ 3, it is characterized in that flazasulfuron, fluroxypyr and the pyributicarb three quality percentage composition in herbicide is 1 ~ 85%.
5. according to the mixed herbicide containing flazasulfuron, fluroxypyr and pyributicarb described in claim 4, it is characterized in that flazasulfuron, fluroxypyr and the pyributicarb three quality percentage composition in herbicide is 10 ~ 65%.
According to described in any one in claim 1 ~ 3 containing the mixed herbicide of flazasulfuron, fluroxypyr and pyributicarb, it is characterized in that it taking flazasulfuron, fluroxypyr and pyributicarb as active ingredient and the auxiliary agent and the excipient that on agricultural chemicals, allow are mixed with any one formulation.
7. according to the mixed herbicide containing flazasulfuron, fluroxypyr and pyributicarb described in claim 6, it is characterized in that described formulation is suspending agent, wettable powder, water dispersion granule, missible oil.
8. the application of the mixed herbicide containing flazasulfuron, fluroxypyr and pyributicarb described in any one before the seedling of lawn and/or in postemergence weed control in claim 1 ~ 3.
9. the mixed herbicide application in various grass family, Cyperaceae and broad leaved weed in Weeds in Turf containing flazasulfuron, fluroxypyr and pyributicarb described in any one in claim 1 ~ 3.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101102671A (en) * | 2004-12-17 | 2008-01-09 | 株式会社Lg生命科学 | Synergistic herbicidal compositions |
| CN103037695A (en) * | 2010-02-03 | 2013-04-10 | 陶氏益农公司 | Synergistic herbicidal composition containing penoxsulam and flazasulfuron |
| CN103732069A (en) * | 2011-06-24 | 2014-04-16 | 石原产业株式会社 | Herbicidal composition |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101102671A (en) * | 2004-12-17 | 2008-01-09 | 株式会社Lg生命科学 | Synergistic herbicidal compositions |
| CN103037695A (en) * | 2010-02-03 | 2013-04-10 | 陶氏益农公司 | Synergistic herbicidal composition containing penoxsulam and flazasulfuron |
| CN103732069A (en) * | 2011-06-24 | 2014-04-16 | 石原产业株式会社 | Herbicidal composition |
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