CN105794819B - Mixed herbicide and application thereof containing flazasulfuron, carfentrazoneethyl and oxadiargyl - Google Patents
Mixed herbicide and application thereof containing flazasulfuron, carfentrazoneethyl and oxadiargyl Download PDFInfo
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- CN105794819B CN105794819B CN201410836898.6A CN201410836898A CN105794819B CN 105794819 B CN105794819 B CN 105794819B CN 201410836898 A CN201410836898 A CN 201410836898A CN 105794819 B CN105794819 B CN 105794819B
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- carfentrazoneethyl
- oxadiargyl
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Abstract
The invention discloses a kind of mixed herbicide and application thereof containing flazasulfuron, carfentrazoneethyl and oxadiargyl, for the herbicide using flazasulfuron, carfentrazoneethyl and oxadiargyl as principle active component, the mass ratio of flazasulfuron, carfentrazoneethyl and oxadiargyl is 0.1~80：0.1~80：0.1~80.Application of the mixed herbicide of the present invention in Kill weeds, the application especially in Weeds in Turf in various grass family, Cyperaceae and broad leaved weed have remarkable result.Herbicide of the present invention under the premise of improving drug effect, delays Weed Resistance compared to single agent, and herbicidal spectrum is wide, and the lasting period is long, and has safety to lawn.
Description
Technical field
The invention belongs to technical field of pesticide, are related to a kind of herbicide, and in particular to a kind of flazasulfuron, carfentrazoneethyl with
The ternary of oxadiargyl mixes compounding agent, which can be applied to before the seedling of lawn and/or postemergence weed control.
Background technology
With increasing substantially for the quickening of Urbanization in China, the promotion of urban afforestation standard and urban size, respectively
Kind lawn is come into being, and has caused the great demand to lawn, Development of Turf has good business opportunity.Ensureing highway, iron
The infrastructure such as road, airport, reservoir, riverbank, Hu Di are firm, aesthetic, and lawn is important auxiliary equipment；It is built in city
If, in terms of afforestation, " tropical island effect " that lawn can substantially improve living environment, effectively reduce city.Green grassland
Area, quality reflect The Surroundings in Cities quality and civilization degree.The city in some developed countries such as U.S., European Union is even more grass
Level ground industry is as one of national pillar industry.Currently, the Lawn Industry in China has large development, but not yet form complete integration
Industrial system.Lawn plays important in the spiritual civilization level of China's urban construction, living environment beautification and the raising people
Role, it not only has very high economic benefit, but also has huge ecological benefits and social benefit.
However, since management is improper, there is quality decline in many lawns, and turfgrass is dead, weedy, pest and disease damage
The problems such as occur again and again, the serious use value and landscape value for reducing lawn causes a large amount of fund to waste, so research grass
Level ground administrative skill, especially Kill weeds technology are the important measures for changing lawn present situation and improving ecological environment.
Artificial weeding, throwing work is big, weeding is not thorough, and has the disadvantage for trampleing on lawn, to reduce turf quality.Some places
It must not be changed without lawn, it is costly.Chemical weed control saving of work and time, low-cost high-efficiency, later stage weeds occurrence quantity is few, this is people
Work uprooting weed cannot than.And chemical weed control also has sealing process, and the weeds newly gone out later want much less.Chemical weed control is to grass
Level ground interference is few, and rational environment is provided for Turfgrass Growth.Weeding expense is low, and expense is the l/3-l/4 of labour cost, and one
The expense in year is the 1/4-1/5 of labour cost.Labor intensity is low, and a people can spray 7-9 mus of lawns, machine spraying effect daily
Rate higher has large area weeding advantage.In order to reduce the economic loss caused by crop smothering, reduce labor intensity, at the same also because
For chemical weed control is convenient, quick-acting, control time is long, chemical weed control is gradually received by people.
Flazasulfuron (flazasulfuron) is the sulfonylurea herbicide that the exploitation of industry chemical company is originated in by Japanese stone.
Chemical name 1- (4,6- dimethoxypyridin -2- bases) -3- (3- trifluoromethyl -2- pyridine sulfonyl sulfonyls) urea, structure are as follows：
Acetolactate synthestase (ALS) inhibitor.It is main to inhibit to generate side chain amino acid, leucine, isoleucine and figured silk fabrics
The reaction of the predecessor acetolactate synthestase of propylhomoserin.The medicament broad weed-killing spectrum, it is annual in Weeds in Turf that can not only be fabulous
Broad-leaved and grassy weed, and perennial broadleaf weed and sedge weed can also be prevented and kill off, such as lady's-grass, barnyard grass, eleusine indica, morning
Ripe standing grain, amur foxtail, green bristlegrass, the rhizome of nutgrass flatsedge, kyllinga brevifolia, cyperus iria, difformed galingale herb, alternanthera philoxeroides, Horseweed Herb, white axle
Grass, day recklessly appropriate, Tufted Cerastium, creeping oxalis, hairy tare, pale reddish brown mesh place, clover, pale persicaria, sheep hoof, euphorbia maculata, greater plantain,
Argy wormwood, sweet vernal grass, green amaranth, shepherd's purse, benbie, common vetch, chickweed etc., it is splendid to kyllinga brevifolia, lady's-grass and rhizome of nutgrass flatsedge preventive effect.
Under normal circumstances, weeds stop growing immediately after processing, the leaf chlorisis that newly sends out after absorbing 4-5 days, then by
Gradually necrosis and to spread to 20-30 days weeds of entire plant thoroughly withered.The medicament can be absorbed by weeds cauline leaf, and can inhibit soil
Suppressing weed seed germination in earth, control time is longer, and the lasting period is about 40 days or more in spring and summer, and autumn and winter is 120 days or more.
Flazasulfuron is that first, China formal registration is special on warm-season turf (Korea lawn grass class and Bermuda grass class)
Herbicide.Medicament can be decomposed rapidly after Korea lawn grass and Bermuda grass class turfgrass contact medicament, be converted into innocuous substance, Bu Huiying
The normal growth on lawn is rung, it is safe to turfgrass.It is used in lawn rest period, does not interfere with germination and growth in the future.
It is widely used in greening lawn, golf course etc..
Carfentrazoneethyl (carfentrazone-ethyl) is the triazolineone herbicide developed by FMC Corp., chemistry
Title：(RS) (the chloro- 5- of 2- (4- difluoromethyl -4,5- dihydro -3- methyl -5- oxygen -1H-1,2,4- triazol-1-yls)-of -2- chloro- 3
4- fluorophenyls) ethyl propionate, structure is as follows：
Carfentrazoneethyl is triazolineone selectivity herbicide after seedling.Proporphyrinogen oxidase inhibitor, by inhibiting leaf
Proporphyrinogen oxidase in green element biosynthetic process and destroy cell membrane, so that blade is dried up rapidly, is dead.Carfentrazoneethyl is being applied
It is absorbed by plant leaf blade in 15 minutes after medicine, not drenched with rain influences, and weeds occur as soon as poisoning symptom, 2-4 after 3-4 hours
It is dead.Prevent and kill off broad leaved weed and nutgrass flatsedge, as clearvers, white dead nettle, Veronica, piemarker, red heart lamb's-quarters, blank pipe are led a cow, lamb's-quarters, anti-branch
The weeds such as amaranth, fruitlet flax, summer cypress, pale persicaria, benbie, black nightshade, sinapsis alba.Especially to clearvers, piemarker, red heart lamb's-quarters, sky
Pipe, which is led a cow, waits weeds to have excellent preventive effect, and the certain weeds for generating antibody to sulfonylurea herbicide have good activity.Recommend to use
Measure 20-35g/hm2, to water spray processing.
Oxadiargyl (oxadiargyl) is the oxadiazoles type herbicides developed by Rhone-Poulenc.Chemistry
Title：5- tertiary butyls -3- (2,4- bis- chloro- 5- (Propargyl oxygroup) phenyl) -1,3,4 oxadiazoles -2- (3H) -one.Its structure
It is as follows：
Oxadiargyl is proporphyrinogen oxidase inhibitor, is selective contact killing type young plant weeding agent.It emerges in weeds
It works by young shoot or seedling contact absorb afterwards, medicament is accumulated in the vigorous position of growth after entering plant, in illumination
Under the conditions of, inhibit growth, so that weed organization is rotted dead.It is mainly used for preventing and kill off broad leaved weed, grassy weed and nutgrass flatsedge
Section weeds, such as piemarker, beggar-ticks, Chenopodium weeds, Siberian cocklebur, dawrf mallow, Monochoria vaginalis, Polygonum weeds, black nightshade, sonchus oleraceus, successively
Dish, barnyard grass, moleplant seed, tribulus terrestris grass, Lan Macao, lady's-grass, eleusine indica, millet category weeds, difformed galingale herb, cyperus iria, needle spikesedge herb
Deng.There is good preventive effect to malignant weed Si Ye Ping etc..Soil, cauline leaf process, herbicidal effect sustainable 30 days or so.
Lawn herbicide is limited by safety at present, and herbicide controlling spectrum is also limited, and a kind of herbicide single dose is used alone cannot be complete
The full generation for efficiently controlling turf weed, furthermore some herbicides are since the water-soluble big or field lasting period is too long, dosage mistake
It is big or dispenser is uneven all be easy to cause residual hazard.Therefore, the present invention selects herbicide controlling spectrum different, the phonetic sulphur of pyridine of advantage and disadvantage complementation
It is made into mixture use after three kinds of herbicides of grand, carfentrazoneethyl and oxadiargyl suitably decrement, both expands herbicide controlling spectrum in this way, it is bright
It is aobvious to improve herbicidal effect, also avoid the possibility that poisoning and residual hazard are generated to lawn.
Invention content
The object of the present invention is to provide a kind of mixed herbicides containing flazasulfuron, carfentrazoneethyl and oxadiargyl.
It is a further object of the present invention to provide application of the herbicide before the seedling of lawn and/or in postemergence weed control.
A kind of mixed herbicide containing flazasulfuron, carfentrazoneethyl and oxadiargyl, it is characterised in that the herbicide with
Flazasulfuron, carfentrazoneethyl and oxadiargyl be principle active component, flazasulfuron, carfentrazoneethyl and oxadiargyl matter
Amount is than being 0.1~80：0.1~80：0.1~80.It is preferred that the mass ratio of flazasulfuron, carfentrazoneethyl and oxadiargyl be 1~
70：1~60：1~60, the mass ratio of further preferred flazasulfuron, carfentrazoneethyl and oxadiargyl is 1~5：1~60：1
~25, the most preferably mass ratio of flazasulfuron, carfentrazoneethyl and oxadiargyl is 1：1：18、3：2：25、5：4：1 or 3：60：
2。
In mixed herbicide, the quality percentage of flazasulfuron, carfentrazoneethyl and oxadiargyl three in herbicide
Content is 1~85%, and preferred mass percentage composition is 10~80%, and most preferably mass percentage is 10~65%.
In the flazasulfuron of the present invention, the ternary built preparation of carfentrazoneethyl and oxadiargyl, in addition to flazasulfuron, azoles
Outside the active ingredients such as ketone grass ester and oxadiargyl, the conventional surfactants allowed on pesticidal preparations, thickening can also be added
The auxiliary agents such as agent, solvent or solid packing are configured to any one dosage form allowed on pesticide.It is preferred that being processed into suspending agent, wettable
Pulvis, water dispersion granule, missible oil, microcapsule formulations.
Mixed herbicide of the present invention can be applied before the seedling of lawn and/or in postemergence weed control, especially in anti-weeding
Using with remarkable result in various grass family, Cyperaceae and broad leaved weed in level ground.
The herbicidal composition of the present invention has the following advantages：
1, activity of weeding is high.Flazasulfuron is inhibitor of acetolactate synthetase.Mainly by root and stem absorb by
Conducting tissue is transmitted to separate living tissue, inhibits the biosynthesis of branched-chain amino acid (such as serine, isoleucine).Carfentrazoneethyl is former
Oxidation of porphyrinogen enzyme inhibitor destroys cell membrane by proporphyrinogen oxidase during inhibiting chlcrophyll biosynthesis, makes
Blade dries up rapidly, is dead.The certain weeds for generating antibody to sulfonylurea herbicide have good activity.Oxadiargyl is
Proporphyrinogen oxidase inhibitor is selective contact killing type young plant weeding agent.It is contacted by young shoot or seedling after weeds emerge
It absorbs and works, medicament is accumulated in the vigorous position of growth after entering plant, under conditions of illumination, inhibits growth, finally
Weed organization is set to rot dead.That is, the herbicidal composition of the present invention can kill weeds by three kinds of different approaches,
The removing activity of herbicide can be greatlyd improve.
2, herbicidal spectrum is wide, and the lasting period is long.After flazasulfuron, carfentrazoneethyl are mixed with oxadiargyl three, action compensating,
Herbicidal spectrum is wider, moreover, because flazasulfuron is mainly effective to broad leaved weed and sedge weed, and can spread pesticide-clay mixture or spray
Mist；And carfentrazoneethyl is mainly used for preventing and kill off broad leaved weed and sedge weed, foliage-spray.Oxadiargyl is protoporphyrinogen oxygen
Change enzyme inhibitor, is selective contact killing type young plant weeding agent.It is mainly used for preventing and kill off broad leaved weed, grassy weed and Cyperaceae miscellaneous
Grass.Soil, cauline leaf process, herbicidal effect sustainable 30 days or so.So the herbicide of the present invention has foliar treatment and envelope
The double action on ground extends the lasting period of medicament.
3, delay Weed Resistance.Since weeds easily generate resistance to sulfonylurea herbicide, and in the herbicide of the present invention
Containing triazolineone herbicide carfentrazoneethyl and proporphyrinogen oxidase inhibitor oxadiargyl, enable medicament effectively
Prevent extending the service life of medicament in addition, reducing resistance weed in addition to the weeds of anti-sulfonylurea.
4, safe.The herbicidal composition of the present invention is applied to Kill weeds, being capable of various standing grain in Weeds in Turf
Undergraduate course, Cyperaceae and broad leaved weed have safety under the premise of improving drug effect to lawn.
Therefore, mixed herbicide of the present invention can be applied in the herbicide for preparing Kill weeds, especially make
It is applied in the herbicide of various grass family, Cyperaceae and broad leaved weed in standby Weeds in Turf.
Specific implementation mode
Embodiment 1
Flazasulfuron 1%, carfentrazoneethyl 1%, oxadiargyl 18%, alkyl phenol polyoxyethylene ether 4%, polyoxyethylene are poly-
Oxygen propylene block compound 5%, thickener 2%, vegetable oil adds to 100%, and quality hundred is configured to according to conventional formulation method
It is 20% suspending agent to divide content.
Embodiment 2
Flazasulfuron 3%, carfentrazoneethyl 2%, oxadiargyl 25%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 9%, alkyl
Phenol polyethenoxy ether 5%, sodium lignin sulfonate to 100%, being configured to mass percentage according to conventional formulation method is
30% suspending agent.
Embodiment 3
Flazasulfuron 5%, carfentrazoneethyl 4%, oxadiargyl 1%, sodium lignin sulfonate 7%, dodecyl benzene sulfonic acid
Sodium 5%, ammonium sulfate 5%, diatomite complements to 100%, and it is 10% to be configured to mass percentage according to conventional formulation method
Water dispersion granule.
Embodiment 4
Flazasulfuron 3%, carfentrazoneethyl 60%, oxadiargyl 2%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6% are wooden
Plain sodium sulfonate 5%, white carbon 9%, kaolin complements to 100%, and mass percentage is configured to according to conventional formulation method
For 65% wettable powder.
Embodiment 5
Flazasulfuron 70%, carfentrazoneethyl 5%, oxadiargyl 5%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5% are wooden
Plain sodium sulfonate 4%, white carbon 5%, kaolin complements to 100%, and mass percentage is configured to according to conventional formulation method
For 80% wettable powder.
Embodiment 6
Flazasulfuron 10%, carfentrazoneethyl 10%, oxadiargyl 60%, NN O (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 9%, alkane
Base phenol polyethenoxy ether 5%, sodium lignin sulfonate adds to 100%, and mass percentage is configured to according to conventional formulation method
For 80% missible oil.
Embodiment 7
1), toxicity determination test
Using the preparation in Examples 1 to 4, its co-toxicity coefficient to lawn common weed difformed galingale herb is measured.
Test method：The seed of quantitative difformed galingale herb is seeded in the disposable paper cup of 9cm respectively, is sowed in every glass
10~15 seeds, are cultivated in illumination box, when 3~6 leaf phase of difformed galingale herb, are carried out in crawler crop spray
Spraying treatment.Continue to cultivate in greenhouse after processing, routine observation respectively handles the preventive effect to weeds, and each processing is weighed after 30d
Weeds fresh weight afterwards calculates its toxicity regression curve and co-toxicity coefficient by the method that the nineteen sixties such as Sun Yunpei propose.Co-toxicity coefficient
More than 120, shows that there is three kinds of active principles synergistic effect, co-toxicity coefficient to be less than 120, show that three kinds of active principles have antagonism
Effect.Measurement result is as shown in table 1.
1 toxicity measurement result of table
As can be seen from the above table, the co-toxicity coefficient after three kinds of active principle compoundings is both greater than 100, and it is bright to illustrate that the present invention has
Aobvious synergistic effect.
2), field control effectiveness test
Reagent agent：
4 kinds of ternary built herbicides in Examples 1 to 4.
Comparison medicament：
25% flazasulfuron water dispersible granules (commercially available), 40% carfentrazoneethyl dry suspending agent (commercially available), 80% propine dislike grass
Ketone wettable powder (commercially available).
For trying lawn：Bermuda grass
Bermuda grass was 3~5 leaf phases, was grown fine, robust plant, without other pest and disease damages.
Control object：
The lawns such as rhizoma alismatis, nutgrass flatsedge, apple, bog pondweed, arrowhead, difformed galingale herb, chickweed, lady's-grass, green bristlegrass, barnyard grass, eleusine indica
Gesture weeds.
Test method：
According to the area of experimental plot, good various medicaments of precise, and after being watered dilution, using knapsack sprayer,
Carry out even spraying, the dedicated Fan spray head of sprinkler selection herbicide.When spraying, it should be noted that it is small that liquid is uniformly sprayed application to experiment
Qu Zhong accomplishes no drain spray, the phenomenon that spraying more.
20d, 40d observe weeds death condition, and the activity of weeding of more various medicaments after medicine respectively after experiment.This
Outside, the growing state that also observe lawn in 1~15d after medicine, to investigate whether medicament has poisoning to lawn.
The embodiment of the present invention preparation Herbicidal Testing Trials effect see the table below 2 (20d after medicine) and table 3 (40d after medicine)
2 field control effectiveness test result of table (20d after medicine)
3 field control effectiveness test result of table (40d after medicine)
The present invention be can be seen that from table 2 and table 3 to grassy weed, sedge weed and broad leaved weed all with aobvious
The preventive effect of work, it is building performance notable, and also the lasting period is long.
Security survey result of 4 medicament of table to lawn
Lawn in each processing cell is grown fine, and is had no any medicine spot, is illustrated that various medicaments are safe to lawn.
Claims (8)
1. a kind of mixed herbicide containing flazasulfuron, carfentrazoneethyl and oxadiargyl, it is characterised in that the herbicide is with pyridine
Sulfometuron Methyl, carfentrazoneethyl and oxadiargyl are active ingredient, and the mass ratio of flazasulfuron, carfentrazoneethyl and oxadiargyl is
1：1：18、3：2：25、5：4：1、3：60：2.
2. mixed herbicide according to claim 1, it is characterised in that flazasulfuron, carfentrazoneethyl and oxadiargyl three
Mass percentage of the person in herbicide is 1~85%.
3. mixed herbicide according to claim 2, it is characterised in that flazasulfuron, carfentrazoneethyl and oxadiargyl three
Mass percentage of the person in herbicide is 15~80%.
4. mixed herbicide according to claim 3, it is characterised in that flazasulfuron, carfentrazoneethyl and oxadiargyl three
Mass percentage of the person in herbicide is 10~65%.
5. mixed herbicide according to claim 1, it is characterised in that it dislikes grass with flazasulfuron, carfentrazoneethyl and propine
Ketone is that the auxiliary agent allowed on principle active component and pesticide is configured to any one dosage form.
6. mixed herbicide according to claim 5, it is characterised in that the dosage form be suspending agent, wettable powder,
Water dispersible granules, missible oil.
7. application of the mixed herbicide that claim 1 is stated before the seedling of lawn and/or in postemergence weed control.
8. mixed herbicide described in claim 1 answering in various grass family, Cyperaceae and broad leaved weed in Weeds in Turf
With.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410836898.6A CN105794819B (en) | 2014-12-29 | 2014-12-29 | Mixed herbicide and application thereof containing flazasulfuron, carfentrazoneethyl and oxadiargyl |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410836898.6A CN105794819B (en) | 2014-12-29 | 2014-12-29 | Mixed herbicide and application thereof containing flazasulfuron, carfentrazoneethyl and oxadiargyl |
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| Publication Number | Publication Date |
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| CN105794819A CN105794819A (en) | 2016-07-27 |
| CN105794819B true CN105794819B (en) | 2018-09-07 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990002120A1 (en) * | 1988-08-31 | 1990-03-08 | Fmc Corporation | Herbicidal triazolinones |
| WO1996003878A1 (en) * | 1994-08-02 | 1996-02-15 | E.I. Du Pont De Nemours And Company | Herbicidal mixtures |
| CN103596437A (en) * | 2011-04-11 | 2014-02-19 | 石原产业株式会社 | Herbicidal composition comprising flazasulfuron and an inhibitor of protoporphyrinogen oxidase |
-
2014
- 2014-12-29 CN CN201410836898.6A patent/CN105794819B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990002120A1 (en) * | 1988-08-31 | 1990-03-08 | Fmc Corporation | Herbicidal triazolinones |
| WO1996003878A1 (en) * | 1994-08-02 | 1996-02-15 | E.I. Du Pont De Nemours And Company | Herbicidal mixtures |
| CN103596437A (en) * | 2011-04-11 | 2014-02-19 | 石原产业株式会社 | Herbicidal composition comprising flazasulfuron and an inhibitor of protoporphyrinogen oxidase |
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