CN105766967B - A kind of mixed herbicide containing flazasulfuron, oxadiargyl and Pendimethalin - Google Patents
A kind of mixed herbicide containing flazasulfuron, oxadiargyl and Pendimethalin Download PDFInfo
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- CN105766967B CN105766967B CN201410823225.7A CN201410823225A CN105766967B CN 105766967 B CN105766967 B CN 105766967B CN 201410823225 A CN201410823225 A CN 201410823225A CN 105766967 B CN105766967 B CN 105766967B
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- oxadiargyl
- flazasulfuron
- pendimethalin
- herbicide
- weeds
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Abstract
The invention discloses a kind of mixed herbicides containing flazasulfuron, oxadiargyl and Pendimethalin, for the herbicide using flazasulfuron, oxadiargyl and Pendimethalin suspending agent as principle active component, the mass ratio of flazasulfuron, oxadiargyl and Pendimethalin suspending agent is 0.1~80：0.1~80：0.1~80.Application of the mixed herbicide of the present invention in Kill weeds, the application particularly in Weeds in Turf in various grass family, Cyperaceae and broad leaved weed have remarkable result.Herbicide of the present invention on the premise of drug effect is improved, delays Weed Resistance compared to single agent, and herbicidal spectrum is wide, and the lasting period is long, and has security 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, oxadiargyl
Compounding agent is mixed with the ternary of Pendimethalin, which can be applied to before the bud of lawn and weeding after early stage bud.
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 triggered 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, lawn can substantially improve living environment, " tropical island effect " that effectively reduces 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.At present, the Lawn Industry in China has large development, but not yet forms 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 with 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 substantial amounts 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, so as to reduce turf quality.Some places
Lawn must not be changed without, 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 diagram is such as
Under：
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, 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 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..
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
Schematic diagram is as follows：
Oxadiargyl is proporphyrinogen oxidase inhibitor, is selective contact killing type young plant weeding agent.It emerges in weeds
It absorbs to work by young shoot or seedling contact afterwards, medicament is accumulated in the vigorous position of growth after entering plant, in illumination
Under the conditions of, inhibit growth, weed organization is finally made to rot death.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.
Pendimethalin (pendimethalin), trade name weeding are led to, and are removed by the phenyl amines of BASF Corp's exploitation
Careless agent.Chemical name：N-1- (ethyl propyl) 2,6- dinitro -3,4- dimethylanilines.Its structural formula is as follows：
Pendimethalin is meristem cell division inhibitor, mainly inhibits meristem cell division, is not influenced miscellaneous
The sprouting of grass seed, but work after young shoot, stem and root absorption medicament during suppressing weed seed germination.Dicotyledon
Absorption site is hypocotyl, and monocotyledon is young shoot, and damage symptoms are that young shoot and secondary root are suppressed, and is ultimately resulted in dead
It dies.Mainly prevent and kill off annual gramineae and some annual broadleaf weeds.Such as：Lady's-grass, eleusine indica, barnyard grass, annual bluegrass, multitude, horse
Bitterroot, Amaranthus retroflexus, Asiatic plantain, sowthistle, amur foxtail, clearvers, green bristlegrass, volume stem smartweed, chickweed, summer cypress, nutgrass flatsedge, benbie,
Difformed galingale herb etc..
Lawn herbicide is limited by lawn security at present, and herbicide controlling spectrum is also limited, and a kind of herbicide single dose is used alone not
The generation of turf weed can be completely effectively controlled, furthermore some herbicides are since the water-soluble big or field lasting period is too long, uses
Measure that excessive or dispenser is uneven all to be easy to cause poisoning and residual hazard.Therefore, present invention selection can herbicide controlling spectrum it is different, advantage and disadvantage
Three kinds of flazasulfuron, oxadiargyl and Pendimethalin herbicides of complementation are made into mixture use after being suitably reduced, so both
Expand herbicide controlling spectrum, hence it is evident that improve herbicidal effect, also avoid generating lawn the possibility of poisoning and residual hazard.
The content of the invention
The object of the present invention is to provide a kind of mixed herbicides containing flazasulfuron, oxadiargyl and Pendimethalin.
It is a further object of the present invention to provide application of the herbicide in lawn before seedling, postemergence weed control.
A kind of mixed herbicide containing flazasulfuron, oxadiargyl and Pendimethalin, it is characterised in that the herbicide
Using flazasulfuron, oxadiargyl and Pendimethalin as principle active component, flazasulfuron, oxadiargyl and pendimethalin
The mass ratio of spirit is 0.1~80：0.1~80：0.1~80.It is preferred that the quality of flazasulfuron, oxadiargyl and Pendimethalin
Than for 1~70：1~60：1~60, the mass ratio of further preferred flazasulfuron, oxadiargyl and Pendimethalin for 1~
5：1~60：1~25, the most preferably mass ratio of flazasulfuron, oxadiargyl and Pendimethalin is 1：1：18、3：2：25、5：
4：1 or 3：60：2.
In mixed herbicide, the quality hundred of flazasulfuron, oxadiargyl and Pendimethalin three in herbicide
It is 1~85% to divide content, 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 oxadiargyl and Pendimethalin, except flazasulfuron,
Outside the active ingredients such as oxadiargyl and Pendimethalin, can also add allow on pesticidal preparations conventional surfactants,
The auxiliary agents such as thickener, solvent or solid packing are configured to any one dosage form allowed on pesticide.It is preferred that be processed into oil-suspending agent,
Missible oil, water dispersion granule, wettable powder etc..
Mixed herbicide of the present invention can be applied before the bud of lawn and after early stage bud in weeding, particularly in anti-weeding
Being applied in level ground in various grass family, Cyperaceae and broad leaved weed has remarkable result.
The herbicidal composition of the present invention has the following advantages：
1st, activity of weeding is high.Flazasulfuron is mainly absorbed by root and stem is transmitted to separate living tissue by conducting tissue,
Inhibit the biosynthesis of branched-chain amino acid (such as serine, isoleucine).Oxadiargyl is proporphyrinogen oxidase inhibitor,
It is selective contact killing type young plant weeding agent.It absorbs to work by young shoot or seedling contact after weeds emerge, medicament enters
The vigorous position of growth is accumulated in after plant, under conditions of illumination, inhibits growth, weed organization is finally made to rot death.Two
First penta find pleasure in spirit be it is main inhibit meristem cell division, do not influence the sprouting of weed seed, but in suppressing weed seed germination mistake
Young shoot, stem and root work after absorbing medicament in journey.That is, the herbicidal composition of the present invention can be by three kinds not
Weeds are killed with approach, the removing activity of herbicide can be greatlyd improve.
2nd, herbicidal spectrum is wide, and the lasting period is long.Flazasulfuron mainly prevents annual broad-leaved and grassy weed, flazasulfuron tool
There is activity of weeding before certain bud；Oxadiargyl is proporphyrinogen oxidase 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 sedge weed.Soil, cauline leaf process, herbicidal effect can be held
It is 30 days or so continuous；And Pendimethalin except to some broad leaved weeds effectively in addition to, also have good effect to grassy weed, and
It can be used after before seedling, seedling.So the herbicide of the present invention has the double action in foliar treatment and feud, holding for medicament is extended
The effect phase.After three's mixing, action compensating, herbicidal spectrum is wider.
3rd, Weed Resistance is delayed.Since weeds easily generate sulfonylurea herbicide resistance, and in the herbicide of the present invention
The Pendimethalin of oxadiargyl containing proporphyrinogen oxidase inhibitor and dinitroaniline, enables medicament effectively to prevent
Except the weeds of anti-sulfonylurea, in addition, reducing resistance weed, the service life of medicament is extended.
4th, it is safe.The herbicidal composition of the present invention, being capable of various standing grain in Weeds in Turf applied to Kill weeds
Undergraduate course, Cyperaceae and broad leaved weed on the premise of drug effect is improved, have very high security to lawn.
Therefore, mixed herbicide of the present invention can be applied in the herbicide for preparing Kill weeds, particularly prepare
It is applied in Weeds in Turf in the herbicide of various grass family, Cyperaceae and broad leaved weed.
Specific embodiment
Embodiment 1
Flazasulfuron 1%, oxadiargyl 10%, Pendimethalin 14%, alkylphenol polyoxyethylene ether 4%, polyoxy second
Alkene polyoxy propylene block compound 5%, thickener 2%, vegetable oil adds to 100%, and matter is configured to according to conventional formulation method
Measure the oil-suspending agent that percentage composition is 25%.
Embodiment 2
Flazasulfuron 2%, oxadiargyl 15%, Pendimethalin 23%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 9%, ten
Dialkyl benzene sulfonic acids calcium 5%, sodium lignin sulfonate adds to 100%, and mass percentage is configured to according to conventional formulation method
For 40% missible oil.
Embodiment 3
Flazasulfuron 5%, oxadiargyl 5%, Pendimethalin 60%, sodium lignin sulfonate 7%, detergent alkylate sulphur
Sour sodium 5%, ammonium sulfate 5%, diatomite complements to 100%, and being configured to mass percentage according to conventional formulation method is
70% water dispersion granule.
Embodiment 4
Flazasulfuron 3%, oxadiargyl 20%, Pendimethalin 47%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, wood
Quality sodium sulfonate 5%, white carbon 9%, kaolin complements to 100%, and being configured to quality percentage according to conventional formulation method contains
Measure the wettable powder for 70%.
Embodiment 5
Flazasulfuron 70%, oxadiargyl 1%, Pendimethalin 4%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, wood
Quality sodium sulfonate 4%, white carbon 5%, kaolin supplies 100%, and mass percentage is configured to according to conventional formulation method
For 75% wettable powder.
Embodiment 6
Flazasulfuron 4%, oxadiargyl 60%, Pendimethalin 1%, 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 65% dry suspension.
Embodiment 7
1), toxicity determination test
Using the preparation in Examples 1 to 4, its co-toxicity coefficient to lawn common weed barnyard grass is measured.
Test method：The seed of quantitative barnyard grass is seeded in the disposable paper cup of 9cm respectively, in every glass sow 10~
15 seeds, are cultivated in illumination box, when 3~6 leaf phase of barnyard grass, are carried out in crawler crop spray at spraying
Reason.Continue to cultivate in greenhouse after processing, respectively processing to the preventive effects of weeds, weighs that each that treated is miscellaneous to routine observation after 30d
Careless fresh weight by the method that the nineteen sixties such as Sun Yunpei propose, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is more than
120, show that three kinds of active principles have synergistic effect, co-toxicity coefficient is less than 120, shows that three kinds of active principles are made with antagonism
With.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 120, 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), 80% oxadiargyl wettable powder (commercially available), 30% diformazan
The clever suspending agent (commercially available) of penta pleasure.
For trying lawn：Bermuda grass
Bermuda grass seedling was 3~5 leaf phases, was grown fine, robust plant, without other pest and disease damages.
Control object：
Barnyard grass, lady's-grass, difformed galingale herb, eleusine indica, annual bluegrass, amur foxtail, green bristlegrass, alternanthera philoxeroides, pale persicaria, sheep
Hoof, euphorbia maculata, greater plantain, argy wormwood, sweet vernal grass, shepherd's purse, chickweed, cyperus iria, Monochoria vaginalis, water amaranth, black nightshade, sonchus oleraceus, section
Save the lawns dominant weeds such as dish, moleplant seed.
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.During 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 on lawn is also observed 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)
As can be seen that the present invention has significantly grassy weed, Cyperaceae and broad leaved weed from table 2 and table 3
Preventive effect, it is building performance notable, and also the lasting period is long.
4 medicament of table is to the security survey result on lawn
Lawn in each processing cell is grown fine, and is had no any medicine spot, is illustrated that various medicaments are safe to Bermuda grass.
Claims (8)
1. a kind of mixed herbicide containing flazasulfuron, oxadiargyl and Pendimethalin, it is characterised in that the herbicide with
Flazasulfuron, oxadiargyl and Pendimethalin be active ingredient, the matter of flazasulfuron, oxadiargyl and Pendimethalin
Amount is than being 1：10：14、2：15：23、5：5：60.
2. mixed herbicide according to claim 1, it is characterised in that flazasulfuron, oxadiargyl and Pendimethalin
Mass percentage of the three in herbicide is 1~85%.
3. mixed herbicide according to claim 2, it is characterised in that flazasulfuron, oxadiargyl and Pendimethalin
Mass percentage of the three in herbicide is 10~80%.
4. mixed herbicide according to claim 3, it is characterised in that flazasulfuron, oxadiargyl and Pendimethalin
Mass percentage of the three in herbicide is 10~65%.
5. mixed herbicide according to claim 1, it is characterised in that it is with flazasulfuron, oxadiargyl and diformazan penta
Happy spirit is configured to any one dosage form for the auxiliary agent allowed on principle active component and pesticide.
6. mixed herbicide according to claim 5, it is characterised in that the dosage form is suspending agent, missible oil, moisture dissipate
Granule, wettable powder, dry suspension.
7. application of the mixed herbicide described in claim 1 before the bud of lawn and after early stage bud in weeding.
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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| CN201410823225.7A CN105766967B (en) | 2014-12-25 | 2014-12-25 | A kind of mixed herbicide containing flazasulfuron, oxadiargyl and Pendimethalin |
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| CN105766967B true CN105766967B (en) | 2018-05-22 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0764404A1 (en) * | 1995-09-21 | 1997-03-26 | Ishihara Sangyo Kaisha, Ltd. | Granular herbicidal composition |
| 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 |
| CN103929966A (en) * | 2011-01-28 | 2014-07-16 | 陶氏益农公司 | Controlling mealybugs |
-
2014
- 2014-12-25 CN CN201410823225.7A patent/CN105766967B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0764404A1 (en) * | 1995-09-21 | 1997-03-26 | Ishihara Sangyo Kaisha, Ltd. | Granular herbicidal composition |
| CN103929966A (en) * | 2011-01-28 | 2014-07-16 | 陶氏益农公司 | Controlling mealybugs |
| 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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