CN105766970B - A kind of mixed herbicide containing flazasulfuron, oxadiargyl and Flumetsulam - Google Patents
A kind of mixed herbicide containing flazasulfuron, oxadiargyl and Flumetsulam Download PDFInfo
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- CN105766970B CN105766970B CN201410828213.3A CN201410828213A CN105766970B CN 105766970 B CN105766970 B CN 105766970B CN 201410828213 A CN201410828213 A CN 201410828213A CN 105766970 B CN105766970 B CN 105766970B
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- oxadiargyl
- flumetsulam
- flazasulfuron
- herbicide
- weeds
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Abstract
The invention discloses a kind of mixed herbicides containing flazasulfuron, oxadiargyl and Flumetsulam, for the herbicide using flazasulfuron, oxadiargyl and Flumetsulam as principle active component, the mass ratio of flazasulfuron, oxadiargyl and Flumetsulam 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 Flumetsulam, which can be applied to lawn before seedling, 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 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, green bristlegrass, eleusine indica, millet category weeds, difformed galingale herb, cyperus iria,
Needle spikesedge herb etc..There is good preventive effect to malignant weed Si Ye Ping etc..Soil, cauline leaf process, herbicidal effect sustainable 30
It or so.
Flumetsulam (Flumetsulam) is the triazole developed by road agricultural sciences (Dow Agroscience) company
And pyrimidine sulfonyl amine herbicide.Chemical name：2', 6'- bis- fluoro- 5- methyl (1,2,4)-triazol (1,5-a) pyrimidine -2- sulphurs
Its structure diagram of anilide is as follows：
Flumetsulam is typical inhibitor of acetolactate synthetase.Albumen is made by the synthesis for inhibiting branched-chain amino acid
Matter biosynthesis block, plant stop growing, final dead.Flumetsulam has very strong uptake and translocation, from plant absorption medicine
Agent start to occur damage symptoms, until Plant death be a slow process of comparison.Weeds absorb medicament after symptom be：
Blade middle arteries chlorosis, vein and blade tip fade, by lobus cardiacus yellowish-whiteization, purpleization, internode shorten, terminal bud death, final complete stool
It is dead.
Flumetsulam is a kind of broad spectrum weeding agent.Longevity of residure length, broad weed-killing spectrum, soil, cauline leaf process.It can be anti-
Except most of annual and perennial broadleaf weed, also have inhibitory action to young age grassy weed, such as to piemarker, lamb's-quarters, chickweed,
The preventive effects such as tattooing is harvested, clearvers, Mandala, Amaranthus retroflexus, pineapple weed, corn radish are excellent, to knotweed, summer cypress, black nightshade, white dead nettle, grandmother
It receives, a variety of cruciferous weeds such as flowerofanhour root or herb, Siberian cocklebur and elegance and talent dish, penny cress also have significant preventive effect, to green bristlegrass, iron
Water chestnut has good activity.
Lawn herbicide is limited by security 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, present invention selection herbicide controlling spectrum is different, the phonetic sulphur of pyridine of advantage and disadvantage complementation
Mixture use is made into after three kinds of herbicides of grand, oxadiargyl and Flumetsulam suitably decrement, so both expands herbicide controlling spectrum,
Herbicidal effect is significantly improved, also avoids 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 Flumetsulam.
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 Flumetsulam, the herbicide with flazasulfuron,
Oxadiargyl and Flumetsulam are principle active component, the mass ratio of flazasulfuron, oxadiargyl and Flumetsulam
For 0.1~80：0.1~80：0.1~80.It is preferred that the mass ratio of flazasulfuron, oxadiargyl and Flumetsulam is 1~70：
1~60：1~60, the mass ratio of further preferred flazasulfuron, oxadiargyl and Flumetsulam is 1~5：1~60：1~
25, the most preferably mass ratio of flazasulfuron, oxadiargyl and Flumetsulam is 1：1：18、3：2：25、5：4：1 or 3：60：
2。
In mixed herbicide, the quality hundred of flazasulfuron, oxadiargyl and Flumetsulam 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 Flumetsulam, except flazasulfuron,
Outside the active ingredients such as oxadiargyl and Flumetsulam, 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 suspending agent, can
Wet powder, water dispersion granule, missible oil, microcapsule formulations.
Mixed herbicide of the present invention can be applied in lawn before seedling, postemergence weed control, particularly in Weeds in Turf
Being applied 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 and Flumetsulam are all inhibitor of acetolactate synthetase.Mainly pass through root
Portion and stem absorb is transmitted to separate living tissue by conducting tissue, inhibits the biology of branched-chain amino acid (such as serine, isoleucine)
Synthesis.Bensulfuron-methyl is selective inner-adsorption conduction-type herbicide, and active ingredient can be spread rapidly in water, is weeds root and leaf
Piece absorbs and is transferred to each portion of weeds, the biosynthesis of hindered aminoacid, lysine, isoleucine, prevent cell division and
Growth.Oxadiargyl is proporphyrinogen oxidase inhibitor, is selective contact killing type young plant weeding agent.Lead to after weeds emerge
It crosses young shoot or seedling contact is absorbed and worked, medicament is accumulated in the vigorous position of growth after entering plant, in the condition of illumination
Under, inhibit growth, weed organization is finally made to rot death.That is, the herbicidal composition of the present invention can pass through three kinds
Different approaches kill weeds, can greatly improve the removing activity of herbicide.
2nd, herbicidal spectrum is wide, and the lasting period is long.After flazasulfuron, oxadiargyl are mixed with Flumetsulam three, effect is mutual
Mend, herbicidal spectrum is wider, moreover, because flazasulfuron is mainly effective to broad leaved weed and sedge weed, and can spread pesticide-clay mixture or
Spraying；And Flumetsulam can prevent and kill off most of annual and perennial broadleaf weed, also have inhibition to young age grassy weed
Effect, soil, cauline leaf process.Oxadiargyl is proporphyrinogen oxidase inhibitor, is to remove in selective contact killing type seedling stage
Careless 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
Continue 30 days or so.So the herbicide of the present invention has the double action in foliar treatment and feud, the lasting period of medicament is extended.
3rd, Weed Resistance is delayed.Since weeds easily generate sulfonylurea herbicide resistance, and in the herbicide of the present invention
Containing proporphyrinogen oxidase inhibitor oxadiargyl and triazolopyrimidine sulfonamides herbicide Flumetsulam, make medicament
Can effectively it prevent except the weeds of anti-sulfonylurea, in addition, reducing resistance weed, extend medicament uses the longevity
Life.
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 security to lawn.
Therefore, mixed herbicide of the present invention can be applied in the herbicide for preparing Kill weeds, particularly make
It is applied in herbicide in standby Weeds in Turf in various grass family, Cyperaceae and broad leaved weed.
Specific embodiment
Embodiment 1
Flazasulfuron 1%, oxadiargyl 1%, Flumetsulam 18%, alkylphenol polyoxyethylene ether 4%, polyoxyethylene
Polyoxy propylene block compound 5%, thickener 2%, vegetable oil adds to 100%, and quality is configured to according to conventional formulation method
Percentage composition is 20% suspending agent.
Embodiment 2
Flazasulfuron 3%, oxadiargyl 2%, Flumetsulam 25%, NNO (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 30% suspending agent.
Embodiment 3
Flazasulfuron 5%, oxadiargyl 4%, Flumetsulam 1%, 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
10% water dispersion granule.
Embodiment 4
Flazasulfuron 3%, oxadiargyl 60%, Flumetsulam 2%, 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 65%.
Embodiment 5
Flazasulfuron 70%, oxadiargyl 5%, Flumetsulam 5%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, wood
Quality sodium sulfonate 4%, white carbon 5%, kaolin complements to 100%, and being configured to quality percentage according to conventional formulation method contains
Measure the wettable powder for 80%.
Embodiment 6
Flazasulfuron 10%, oxadiargyl 10%, Flumetsulam 60%, NN O (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 9%,
Alkylphenol polyoxyethylene ether 5%, sodium lignin sulfonate to 100% are configured to mass percentage 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 green bristlegrass is measured.
Test method：The seed of quantitative green bristlegrass is seeded in the disposable paper cup of 9cm respectively, 10 are sowed in every glass
~15 seeds, are cultivated in illumination box, when 3~6 leaf phase of green bristlegrass, are sprayed in crawler crop spray
Processing.Continue to cultivate in greenhouse after processing, each preventive effect handled to weeds of routine observation, respectively treated for weighing after 30d
Weeds 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 function, co-toxicity coefficient is less than 120, shows 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 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), 80% azoles are phonetic
Sulphur grass aqueous amine dispersible granule (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.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)
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.
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 lawn.
Claims (8)
1. a kind of mixed herbicide containing flazasulfuron, oxadiargyl and Flumetsulam, it is characterised in that the herbicide with
Flazasulfuron, oxadiargyl and Flumetsulam be active ingredient, the matter of flazasulfuron, oxadiargyl and Flumetsulam
Amount is than being 1~5：1~60：1~25.
2. mixed herbicide according to claim 1, it is characterised in that flazasulfuron, oxadiargyl and Flumetsulam
Mass percentage of the three in herbicide is 1~85%.
3. mixed herbicide according to claim 1, it is characterised in that flazasulfuron, oxadiargyl and Flumetsulam
Mass percentage of the three in herbicide is 10~80%.
4. mixed herbicide according to claim 1, it is characterised in that flazasulfuron, oxadiargyl and Flumetsulam
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 the phonetic sulphur of azoles
Careless amine 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 for suspending agent, wettable powder,
Water dispersible granules, missible oil.
7. application of the mixed herbicide described in claim 1 in lawn before seedling, 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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| CN201410828213.3A CN105766970B (en) | 2014-12-25 | 2014-12-25 | A kind of mixed herbicide containing flazasulfuron, oxadiargyl and Flumetsulam |
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| CN105766970A CN105766970A (en) | 2016-07-20 |
| CN105766970B true CN105766970B (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 CN201410828213.3A patent/CN105766970B/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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Effective date of registration: 20200907 Address after: Room 1909, block C, Zhengda Himalaya, Yuhuatai District, Nanjing City, Jiangsu Province 210000 Patentee after: Jiangsu yiyunfan Network Technology Co., Ltd Address before: Dongfeng Road, Sam town Gaochun District of Nanjing City, Jiangsu Province, No. 09 211300 Patentee before: Nanjing Huazhou Parmaceutical Co.,Ltd. |