CN103271064A - Weeding composition - Google Patents
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- CN103271064A CN103271064A CN2013102202499A CN201310220249A CN103271064A CN 103271064 A CN103271064 A CN 103271064A CN 2013102202499 A CN2013102202499 A CN 2013102202499A CN 201310220249 A CN201310220249 A CN 201310220249A CN 103271064 A CN103271064 A CN 103271064A
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- cyhalofop
- butyl
- herbicidal combinations
- promazine sulfometuron
- sulfometuron methyl
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Abstract
The invention relates to a weeding composition, and especially relates to the weeding composition comprising propyrisulfuron and cyhalofop-butyl, use of the weeding composition, and a corresponding method of weed control. Active ingredients of the weeding composition comprise the propyrisulfuron and the cyhalofop-butyl, wherein a weight ratio of the propyrisulfuron to the cyhalofop-butyl is 100:1 to 1:100. The weeding composition is used for control of gramineae weeds, broadleaf weeds and cyperaceae weeds in crop growth environment. According to the invention, the weeding composition is prepared by complex formulation of herbicides comprising the propyrisulfuron and the cyhalofop-butyl. Because the propyrisulfuron has prevention and control capability to weeds that show resistance to known sulfonylurea herbicides, and the weeding composition is prepared by binary complex formulation of the two herbicides, the weeding composition has an enhanced effect. Compared with single use of one herbicide, control effect on the weeds is significantly enhanced and a weed killing spectrum is enlarged.
Description
Technical field
What the present invention relates to is a kind of Herbicidal combinations, relates in particular to a kind of Herbicidal combinations that contains promazine Sulfometuron Methyl and cyhalofop-butyl and uses thereof and corresponding weed control method.
Background technology
At present, in order to promote the growth quality of crop, constantly be devoted to develop the herbicidal effect height in the industry, have the weed killer herbicide that kills careless spectrum, low toxicity, low-residual, crop-selective excellence widely.In the production environment of crop, use some weed killer herbicide can cause some weeds that corresponding medicine is produced certain resistance for a long time.Up to now, many kinds of sulfonyl urea compounds have been actually used in the rice field, and widely used usually is the composite preparation form, contain two or more active components in the preparation and reach for preventing the effective grassy weed kill agent miscellaneous of grassy weed.But in recent years, the weeds of resistance occur sulfonylurea herbicide (for example bensulfuron-methyl, pyrazosulfuron and flazasulfuron) is had, their control has become problem.
Especially can grow in the rice crops influences the important monocotyledon weed of economic benefit in a large number, for example mainly is barnyard grass grass, ischaemum or moleplant seed, uses at present known a kind of rice crops weed killer herbicide or its combination can not obtain satisfied control effect.From global rice culture system, also find noxious plant in addition: belong to as arrowhead genus, pin Lin, for example scouring rush's shape water chestnut, Herba Cyperi Glomerati, firefly Lin and other noxious plant, they mainly are rudiments in the perennial tissue from soil, so than the more difficult control of the weeds of seed germination, and be not easy to control best broad leaved weed kind in the whole weeds spectrum.And resistant weed kind incidence increases (comprising that Herba Cyperi Glomerati belongs to or pin Lin belongs to), uses single-activity component or common combinations can not control these weeds even this makes.
Sulfonylurea herbicide is selectivity inner sucting conduction type weed killer herbicide, is easily absorbed by the root of plant, leaf, and in xylem and phloem conduction, it can suppress the activity of vital acetolactate synthestase (ALS) in the plant corpus.Still there are some difficult problems in sulfonylurea herbicide in application process, wherein the most outstanding is that its residual key and weeds are to the pesticide resistance problem of sulfonylurea herbicide.
Conventional control method for weed is to add effectively to prevent and treat the active component that sulfonylurea herbicide is had the weeds of resistance in existing preparation, thereby has increased the active component number that is used for the combination agent of weeds.In this case, such weed killer herbicide need be arranged, they have gratifying effect for the weeds of anti-sulfonylurea herbicide, and can reduce the amount of active component in the composition.
Promazine Sulfometuron Methyl (Propyrisulfuron) is by the pyrimidine radicals sulfonylurea herbicide of SUMITOMO CHEMICAL chemistry exploitation, is mainly used in paddy field and prevents and kill off grass family and broad leaved weeds such as barnyard grass grass.This product consumption is low, and the weeds that some known sulfonylurea herbicide produced resistance have good preventive effect.
The molecular formula of promazine Sulfometuron Methyl is C
16H
18O
5N
7SCl, its molecular structure is as follows:
Cyhalofop-butyl (cyhalofop-butyl) is fragrant phenoxy propionic acid class weed killer herbicide, and paddy rice is had tight security, inhales conductivity in having.Medicament absorbs via blade, the leaf sheath of weeds, through the phloem conduction, accumulates in weeds meristem zone, resist acetyl-CoA carboxylase (ACCase), fatty acid is synthesized stop, the growth division of cell can not normally be carried out, film system etc. contains the fat structural deterioration, causes plant death at last.It is slower to be absorbed into weeds death from cyhalofop-butyl, generally needs 1-3 week.The symptom of weeds after dispenser is as follows: the tender shoots atrophy of four leaf phases causes death.The Lao Ye of two leaf stage changes minimum, keeps green.Cyhalofop-butyl is higher to grass family moleplant seed, barnyard grass grass preventive effect, the anti-lady's-grass of holding concurrently simultaneously, Paspalum distichum, green foxtail, eleusine indica, etc.Cyhalofop-butyl is invalid to sedge weed and broad leaved weed, especially to the above broad leaved weed of 4 leaves; During high dose 2 leaf age angustifolia arrowhead herbs also only there is certain inhibitory action, kills grass and compose narrower.Cyhalofop-butyl is for many years applied with the form of single agent always, the rising year by year of the weeds resistance that causes after the use, and consumption increases year by year, and use cost is more and more higher.
After cyhalofop-butyl is absorbed by paddy rice, be degraded to the diacid attitude to the acetyl-CoA carboxylase non-activity rapidly, thereby paddy rice had the safety of height.Cyhalofop-butyl degraded in soil, typical paddy field water either is rapid, to succession crop safety.
At present common practice still prepares the weeding medicine with the promazine Sulfometuron Methyl as the active ingredient of weed killer herbicide separately in the industry, does not occur the technology that promazine Sulfometuron Methyl and other active ingredient are mixed so far.Studies show that, separately also exist some deficiency with the promazine Sulfometuron Methyl as the active ingredient of herbicide, such as, not high enough to crop safety, to kill the grass spectrum wide inadequately, medicament residue weak effect etc., thus cause the control of weeds effect to be difficult to reach best.
Summary of the invention
The present invention seeks at above-mentioned weak point, a kind of Herbicidal combinations is provided, and is that a kind of activity of weeding mixture is so that those skilled in the art can control multiple weeds or a certain unmanageable weeds kind at the rice crops applied once or after using these weed killer herbicides several times.
The present invention obtains the required weeds control level of technical staff by promazine Sulfometuron Methyl and cyhalofop-butyl are made up in particularly advantageous mode, even comprises unmanageable some weeds kind.And, use the amount of application that the present invention's combination can significantly reduce a certain component in the combination, therefore provide more economical occupation mode for the user.
A kind of Herbicidal combinations of the present invention is to take following technical scheme to realize:
A kind of Herbicidal combinations of the present invention, the active principle of described Herbicidal combinations comprises promazine Sulfometuron Methyl and cyhalofop-butyl, wherein promazine Sulfometuron Methyl and cyhalofop-butyl weight proportion are 100:1 to 1:100.
As a further improvement on the present invention, described two kinds of active principle promazine Sulfometuron Methyls and cyhalofop-butyl weight proportion are 50:1 to 1:50, are preferably 25:1 to 1:25 again, more preferably 10:1 to 1:10.
Described Herbicidal combinations can be mixed with agricultural and go up any formulation that allows.Preferred liquor, wetting powder, soluble powder, aqua, missible oil, suspending agent, oil-suspending agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, water-soluble granule, ZC, ultra low volume liquids, the agent of kind clothing.
The present invention also provides a kind of Herbicidal combinations, and the reactive compound combination that comprises described cooperative effective quantity mixes with at least a preparation technique usual auxiliaries.
The present invention also provides a kind of Herbicidal combinations, and the active principle of described Herbicidal combinations also comprises azoles humulone, bentazone, the third careless amine, bensulfuron-methyl, pyrazosulfuron or two careless ether.
The present invention also aims to provide a kind of weed control method of using above-mentioned Herbicidal combinations, comprise Herbicidal combinations is applied to noxious plant, its plant parts or cultural area.Described noxious plant is grassy weed, broad leaved weed and sedge weed.As Stellaria, bean cotyledon Lepidium, Agrostis, knotgrass, Avena, setaria, Europe sinapsis alba genus, Lolium, Solanum, Brome, amur foxtail genus, Matricaria, Tong fiber crops genus, chrysanthemum harvest spp, Xanthium, Amaranthus, Chenopodium, Ipomoea, crowndaisy chrysanthemum genus, Bedstraw, Viola and Veronica.
Described noxious plant is short Brittle Falsepimpernel Herb, flat bar rattan grass, needle spikesedge herb, Japan's Fischer grass, Herba Cyperi Glomerati, cyperus iria, difformed galingale herb, the barnyard grass grass, the rice barnyard grass, lady's-grass, eleusine indica, moleplant seed, green foxtail, annual bluegrass, needle spikesedge herb, firefly Lin, Monochoria vaginalis, mexicana, water starwort, the dragon's tongue, cyperus iria L. rhizoma scirpi, angustifolia arrowhead herb, pondweed, clearvers, shepherd's purse, field thistle, Siberian cocklebur, the rhizome of nutgrass flatsedge, acalypha copperleaf, lamb's-quarters, thorn amaranth and branch amaranth, hold back blue dish, grass of meadow rue, kitchen garden, Monochoria korsakowii, Procumbent Falsepimpernel, Monochoria korsakowii etc.
Described weed control method is characterized in that: described cultural area is paddy field or dry land.
The invention still further relates to a kind of Herbicidal combinations of promazine Sulfometuron Methyl and cyhalofop-butyl that contains for the purposes of management of weeds.
The present invention compared with prior art has following beneficial effect:
When the weed killer herbicide of common use promazine Sulfometuron Methyl and cyhalofop-butyl, there is super additive effect.In addition, the effect of composition has synergistic function greater than the summation of the expection of the effect of single weed killer herbicide promazine Sulfometuron Methyl and cyhalofop-butyl.Described super addition can reduce rate of application, prevent and treat the more weeds of wide spectrum (comprising grassy weed, broad-leaved section weeds, sedge weed); The herbicide effect onset is faster, and action time is longer, only once or several times uses and can better prevent and treat noxious plant and prolong possible administration period.There is not bad competitive plant in these performances just actual opposing weeds to protect in the crops, thereby guarantee and improve productive rate to need from quality and output aspect.The described performance of new composition of the present invention has obviously surpassed the routine techniques level.
Embodiment
The invention provides a kind of Herbicidal combinations, comprise promazine Sulfometuron Methyl and the cyhalofop-butyl of herbicidally effective amount.
Herbicidal combinations of the present invention comprises promazine Sulfometuron Methyl and the cyhalofop-butyl of synergy amount.The weight proportion of promazine Sulfometuron Methyl and cyhalofop-butyl is 100:1 to 1:100.As a further improvement on the present invention, described two kinds of active components are 50:1 to 1:50 by weight ratio, are preferably 25:1 to 1:25 again, more preferably 10:1 to 1:10.
The combination of promazine Sulfometuron Methyl and cyhalofop-butyl has surpassed the addition to the desire controlling weeds of expection in principle, therefore particularly widened the sphere of action of two kinds of active components aspect following two: at first, reduce the consumption of individualized compound, kept good exposure level simultaneously; Secondly, under the situation that becomes invalid from the viewpoint of agricultural under the low amount ranges, the present composition also can obtain high control of weeds level at single material.The result has significantly widened the weeds spectrum, has increased the selectivity to the useful plants crop in addition, and this is required and expectation under the situation that is not intended to excessive use active component just.The present composition also has bigger adaptability to succession crop in the weeds that keep preventing and treating well in the useful plants.Being combined in of promazine Sulfometuron Methyl and cyhalofop-butyl all has remarkable meaning on economy and the environment.
The present invention also provides a kind of Herbicidal combinations, and the reactive compound combination that comprises described cooperative effective quantity mixes with at least a preparation technique usual auxiliaries.
The auxiliary agent that uses in the Herbicidal combinations of the present invention comprises that liquid-carrier, solid carrier, dispersant, emulsifier, stabilizing agent, antifreezing agent, thickener etc. and other are of value to the known substance that active ingredient is stablized and drug effect is brought into play in preparation, all be the various compositions of using or allow use in the agricultural chemicals always, be not particularly limited, concrete composition and consumption require to determine by simple experiment according to prescription.
The liquid-carrier that is fit to preparation Herbicidal combinations of the present invention comprises water, alcohols (methyl alcohol for example, ethanol), ketone (acetone for example, methyl ethyl ketone), aromatic hydrocarbon based (benzene for example, toluene, dimethylbenzene, ethylbenzene, methyl naphthalene), aliphatic hydrocarbon (n-hexane for example, cyclohexane, kerosene), ester class (ethyl acetate for example, butyl acetate), nitrile (acetonitrile for example, isobutyronitrile), ethers (diox for example, diisopropyl ether), acid amide-type (N for example, N-dimethyl formamide, dimethylacetylamide〉and halogenated hydrocarbons (dichloroethane for example, trichloro-ethylene, carbon tetrachloride) etc.
The solid carrier that is fit to Herbicidal combinations of the present invention is diatomite, Magnesiumaluminumsilicate, atlapulgite, kaolin, clay, gypsum, bentonite, white carbon, precipitated calcium carbonate, lime stone, wood chip, corn starch, soluble starch etc.
The emulsifier that is fit to preparation Herbicidal combinations of the present invention can be anion and/or non-example type emulsifier, for example alkylphenol polyoxyethylene, alkylphenol-polyethenoxy polyethenoxy ether, benzylphenol APEO, polyoxyethylene fatty acid ester, polyoxyethylene aliphatic alcohol ether, polyoxyethylene fatty amine, alkyl phenol polyglycol ether etc.
The dispersant that is fit to preparation Herbicidal combinations of the present invention can be alkylnaphthalene sulfonate, two (alkyl) naphthalenesulfonate formaldehyde condensation compound, naphthalene sulfonic acid-formaldehyde condensation product, the alkylphenol-polyethenoxy based phosphates, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, the alkylphenol polyoxyethylene phosphate, alkylphenol polyoxyethylene, the castor oil ethylene oxide adduct, oxirane-propylene oxide block copolymer, the dirt of alkylphenol polyoxyethylene formaldehyde condensation, octylphenol polyethylene oxyethylene group ether sulfate and methylcellulose.For example sodium lignin sulfonate, calcium lignosulfonate, methyl naphthalene sulfonate formaldehyde condensate, the dirt of sodium naphthalene sulfonate formaldehyde condensation, methanonaphthalene sodium sulfonate etc.
Other additive can be enumerated the carboxymethyl cellulose that uses with the auxiliary agent form usually, ethylene glycol and propane diols etc. when preparation.
Herbicidal combinations among the present invention can also contain colouring agent, for example inorganic pigment iron oxide, titanium oxide or Prussia orchid; Organic dyestuff alizarin, azo dyes, metal phthalocyanine orchid or kiton colors etc.
Can any form commonly used use composition of the present invention.The blade face formulation example of premix composition is:
GR: granule
WP: wetting powder
WG: but the water dispersible granule
SG: solvable granula
SL: soluble concentrate
EC: missible oil
EW: emulsion, aqueous emulsion
ME: microemulsion
SC: suspending agent
CS: microcapsule suspending agent
OD: oil-based suspension
SE: suspension emulsion
FS: plant the clothing agent
The preferred formulation of the present invention can be liquor, aqua, soluble powder, soluble granula, wetting powder, missible oil, suspending agent, oil-suspending agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, ZC, ultra low volume liquids, the agent of kind clothing.
For water dispersible granules, those skilled in the art are familiar with the corresponding auxiliary agent of use and finish the present invention very much.Dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, alkylphenol polyoxyethylene, EO/PO block polyether; Wetting agent is selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate, sodium lignin sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene; Disintegrant is selected from ammonium sulfate, sodium sulphate, sodium chloride, ammonium chloride, urea, sucrose, glucose, carboxymethyl cellulose, soluble starch, polyvinylpyrrolidone; Binding agent is selected from polyvinyl alcohol, soluble starch, dextrin, xanthans, carboxymethyl (ethyl) cellulose family; Filler is selected from diatomite, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, potter's clay.
To wetting powder, spendable auxiliary agent has: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate; Wetting agent is selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate; Filler is selected from ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, potter's clay.
To suspending agent, spendable auxiliary agent has: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, TERSPERSE 2425 (U.S. Huntsman Corporation produces, the alkyl naphthalene sulfonic acid salt); Alkyl phenol formaldehyde resin polyoxyethylene ether), farming breast 2201, this dish-60# (common name: sorbitan monostearate), emulsifier T-60 (common name: the sorbitan monostearate APEO), agricultural newborn 1601# (common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), TERSPERSE 4894 (U.S. Huntsman Corporation product) emulsifier is selected from Nongru-700 # (common name:; Wetting agent is selected from alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE2500 (U.S. Huntsman Corporation product); Thickener is selected from xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate; Preservative is selected from formaldehyde, benzoic acid, Sodium Benzoate; Defoamer is silicone based defoamer; Antifreezing agent is selected from ethylene glycol, propane diols, glycerine, urea, inorganic salts (as sodium chloride).
But to the dispersed oil suspending agent, spendable auxiliary agent has: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), TERSPERSE 2425, and emulsifier is selected from the serial emulsifier (BY-110 of BY (castor oil polyoxyethylene ether), BY-125, BY-140) Nongru-700 # (common name: alkyl phenol formaldehyde resin polyoxyethylene ether), farming breast 2201, this dish-60# (common name: sorbitan monostearate), Tween-60 # (common name: the sorbitan monostearate APEO), the newborn 1601# of farming (common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), TERSPERSE4894; Wetting agent is selected from alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500; Thickener is selected from white carbon, polyvinyl alcohol, bentonite, aluminium-magnesium silicate; Antifreezing agent is selected from ethylene glycol, propane diols, glycerine, urea, inorganic salts (as sodium chloride); Stabilizing agent is selected from epoxidized soybean oil, epoxychloropropane, triphenyl phosphate; Dispersion medium is selected from soybean oil, rapeseed oil, corn oil, methyl oleate, diesel oil, machine oil, mineral oil.
The formulation example that is fit to the bucket mixing composition is solution, dilution emulsion, suspending agent or its mixing and pulvis.
Usually, the bucket mixing composition is to contain different agricultural chemicals and one or more premix compositions of further auxiliary agent randomly with what solvent (as water) dilution formed.
Generally, blade face bucket mixture comprises 0.1-20%, the reactive compound of 0.1-15% particularly, and 99.9%-80%, solid-state or the liquid flux of 99.9-85% (comprising ratio of solvent such as water) particularly, wherein auxiliary agent can be based on the bucket mixture, the surfactant of content 0-20%, particularly 0.1-15%.
Usually the pre-mixing agent of foliage applying comprises 0.1-99.9%, the active compound component of 1-95% particularly, and 99.9-0.1%, solid-state or the liquid flux of 99-5% (comprising as ratio of solvent such as water) particularly, wherein auxiliary agent can be based on pre-mixing agent, the surfactant of content 0-50%, particularly 0.5-40%.
Of the present inventionly comprise 0.5-99.9% through composition prepared, 1-95% particularly, the active compound component of 1-50% advantageously, and 99.5-0.1%, the particularly solid of 99-5% quality or liquid assistant agent (comprising as solvent such as water), wherein said auxiliary agent (or assistant agent) can be based on the surfactant of the 0-50%, particularly 0.5-40% of pre-mixing agent quality.
Herbicidal combinations of the present invention has showed very strong activity of weeding to economic important unifacial leaf and the dicotyledonous harmful plants of wide spectrum.In addition, active component combination of the present invention can be controlled the perennial broadleaf weed that is difficult to prevent and kill off and pass through seed or rhizome, root-like stock or other perennial tissue propagation effectively.Prior to seeding, before the seedling or postemergence application do not influence effect of the present invention.
Active component of the present invention makes up has remarkable result to the rice barnyard grass of taking place under the specific cultivation condition in the control rice crops, moleplant seed, the Monochoria vaginalis of anti-sulfonylurea herbicide, the Procumbent Falsepimpernel of anti-sulfonylurea herbicide, firefly Lin of anti-sulfonylurea herbicide, the angustifolia arrowhead herb of anti-sulfonylurea herbicide etc.
When Herbicidal combinations of the present invention is used, can prevent fully that weeds from emerging or weed growth to cotyledon period stops growing then and process 3-4 is dead fully after week before rudiment.
When active component of the present invention makes up postemergence application to the green plant part, can after processing, stop weed growth equally rapidly and effectively.Weeds keep the vegetative period of existence in use after a period of time, more or less die off rapidly, therefore use the present composition by this way and can prevent from rapidly and enduringly the harmful weed competition of crop is reduced the loss of crop quality and quantity simultaneously.
The noxious plant that needs control appointment, particularly unmanageable grass family, dicotyledonous and/or sedge.The noxious plant that can control comprises, Stellaria, bean cotyledon Lepidium, Agrostis, knotgrass, Avena, setaria, Europe sinapsis alba genus, Lolium, Solanum, Brome, amur foxtail genus, Matricaria, Tong fiber crops genus, chrysanthemum harvest spp, Xanthium, Amaranthus, Chenopodium, Ipomoea, crowndaisy chrysanthemum genus, Bedstraw, Viola and Veronica.In particular for flat bar rattan grass, needle spikesedge herb, Japan's Fischer grass, Herba Cyperi Glomerati, cyperus iria, difformed galingale herb, the barnyard grass grass, the rice barnyard grass, lady's-grass, eleusine indica, moleplant seed, green foxtail, annual bluegrass, needle spikesedge herb, firefly Lin, Monochoria vaginalis, mexicana, water starwort, the dragon's tongue, cyperus iria L. rhizoma scirpi, angustifolia arrowhead herb, pondweed, clearvers, shepherd's purse, field thistle, Siberian cocklebur, the rhizome of nutgrass flatsedge, acalypha copperleaf, lamb's-quarters, thorn amaranth and branch amaranth, hold back blue dish, grass of meadow rue, kitchen garden etc., Procumbent Falsepimpernel, short Brittle Falsepimpernel Herb, Procumbent Falsepimpernel, Monochoria korsakowii etc.
Herbicidal combinations of the present invention can use in for example farmland of the following crop of cultivation:
Crops: corn, rice, wheat, barley, rye, oat, Chinese sorghum, cotton, soybean, peanut, buckwheat, beet, rape, sunflower, sugarcane, tobacco etc.
Vegetables: solanaceous vegetable (eggplant, tomato, green pepper, capsicum, potato etc.), cucurbitaceae vegetable (cucumber, pumpkin, little cucumber, watermelon, muskmelon etc.), brassicaceous vegetable (radish, turnip, horseradish, kohlrabi, Chinese cabbage, cabbage, leaf mustard, broccoli, cauliflower etc.), composite vegetable (burdock, crowndaisy chrysanthemum, lettuce etc.), liliaceous vegetable (green onion, onion, garlic, asparagus etc.), Umbelliferae vegetables (carrot, the ocean celery, celery, the edible celery of the U.S. etc.), goosefoot vegetable (spinach etc.), Labiatae vegetables (purple perilla, peppermint etc.), strawberry, sweet potato, Chinese yam, taro etc.;
Fruit tree: pomaceous fruit (apple, European pear, Japanese pear, Hua Li etc.), drupe class (peach, Lee, nectarine, plum, cherry, apricot, plum etc.), citrus (orange, lemon, bitter orange, grapefruit etc.), nut fruits (Chinese chestnut, walnut, almond, American pistachios, cashew nut etc.), soft fruits (blueberry, tongue are mould, blackberry, blueberry, wood are mould etc.), grape, persimmon, olive, loquat, banana, coffee bean, coconut, coconut oil etc.;
Lawn: Korea lawn grass class (Zoysia sinica, Korea's grass etc.), annual bluegrass class (kentucky blue grass, rough bluegrass etc.), fescue grass class (Festuca Arundinacea etc.), orchardgrass, timothy grass etc.;
Other: flowers class (rose, China pink, chrysanthemum, tulip, rough gentian, orchid etc.), biofuel plant (manioca, safflower, Chinese silvergrass, mestha, cassava etc.), ornamental foliage plant etc.
Also comprise genetically modified crops in the above-mentioned crop.
Herbicidal combinations of the present invention has selectivity for paddy rice.Thereby Herbicidal combinations of the present invention is suitable as paddy field weed-killer composite.
Can produce super adding and (=synergy) effect during the combined administration of promazine Sulfometuron Methyl and cyhalofop-butyl.Described synergistic effect should be able to reduce each active substance rate of application, improve drug effect under the identical rate of application, species that control still can't prevent and treat so far, prolong administration period, reduce the required number of times of using separately.Therefore for the user, be economically with ecology on more favourable weeds opposing system.This activity especially can reduce amount of application, control more broad-leaved and the grassy weed of wide spectrum, remedied the active leak of antagonism weeds populations, rapider and more reliable activity, the longer lasting period, only once or several times use and to control noxious plant fully and prolong the working life of active component in the combination.
In weeds in field control, need above-mentioned characteristic so that crops break away from the competition that do not need plant and as barrier, and/or increase the quality of output.Make up in the present invention aspect the above-mentioned characteristic and significantly to have exceeded prior art.
In addition, the present invention can also better controlled resistance noxious plant.
In addition, the present invention also aims to provide a kind of weed control method of using above-mentioned Herbicidal combinations, comprise Herbicidal combinations is applied to noxious plant, its plant parts or cultural area.
The cultivation area be cultivated plant in the soil that growth or the seeds of those cultivated plants have been sowed, and plan the soil of the above-mentioned cultivated plant of cultivation.
The cooperative effective quantity that is applicable to the combination of composition of the present invention can be according to the variations such as kind of at that time condition such as weed pressure, time of application, method of application, weather, soil regime, features of terrain, target crop.In practicing, about 0.001kg/ha-1.00kg/ha enough is provided, the rate of application of the active component of preferred 0.01 kg/ha-0.075 kg/ha is suitable.The usage amount of attention in following biological test example is lower than the amount that is applied to big Tanaka usually, because herbicidal effect is exaggerated under such condition.
Particularly, in the weed control method of the present invention, carry out the real area of the crop production environment of weed control at first as required, and the condition of production of weeds in the above-mentioned environment, estimate the amount of the Herbicidal combinations that roughly needs, but choose the Herbicidal combinations of wetting powder or missible oil or suspending agent or dispersed oil suspending agent or kind clothing agent or microemulsion or aqueous emulsion or water dispersible granules arbitrarily, Herbicidal combinations is become certain density dilution with thin up, spray at last in the crop production environment.
If Herbicidal combinations of the present invention can the promazine Sulfometuron Methyl and cyhalofop-butyl-suitable also have other conventional formulations-the mix preparation form exist, it is usual manner dilute with water use subsequently, perhaps also can form " the mixed thing of bucket " by the component that the common described independent preparation of dilution of water or part are prepared separately.
According to the preparation characteristic, can be selected from application process according to expection object and popular environment, as the blade face, soak into, spray, dust, scattering selects.
The inventive method most preferably is used for control plant growth district maybe will be for the weeds in the zone of kind of plant.When being used for the plant growth district, amount of application should be enough to control weed growth but can be to not do the serious nonvolatil injury of deposits yields.
Herbicidal combinations of the present invention can also can be at postemergence application at preemergence application, preferred postemergence application, and particularly weed growth is early stage.Also be one of feature of the inventive method with Herbicidal combinations early time treatment before plantation (particularly soil surface is used).
The present invention also comprises following Herbicidal combinations: its except promazine Sulfometuron Methyl and cyhalofop-butyl, also comprise one or more other have the agrochemical active ingredients of different structure, as weed killer herbicide, insecticide, bactericide or safener.
Preferred other weed killer herbicides comprise serial herbicides for use in paddy such as azoles humulone, bentazone, the third careless amine, bensulfuron-methyl, pyrazosulfuron or two careless ethers.
The rate of application of the safe practice relevant with weed killer herbicide depends on the method for using to a great extent.Under the situation about handling in the field (use and comprise that barrel cage mixture or separate administration safener that safener, Herbicidal mixtures combine all are effective with Herbicidal mixtures) weed killer herbicide to the ratio of safener generally be from 100:1 to 1:10. preferred 20:1 to 1:1. under the situation of field processing, generally use the safener of per hectare 0.001kg to 1.0kg, the safener of preferred per hectare 0.001kg to 0.25kg.
The present invention equally also comprises following Herbicidal combinations: it also comprises fertilizer except promazine Sulfometuron Methyl and cyhalofop-butyl, as ammonium sulfate, ammonium nitrate, urea, potassium nitrate and composition thereof.
FORMULATION EXAMPLE
Embodiment 1:25% promazine Sulfometuron Methyl++ 1% cyhalofop-butyl oil-suspending agent
Promazine Sulfometuron Methyl 25%
Cyhalofop-butyl 1%
Methyl naphthalene sulfonate formaldehyde condensate 10%
Bentonite 1%
Glycerine 5%
Corn oil complements to 100%
Active component, dispersant, wetting agent and each component of corn wet goods ratio according to prescription is mixed, after grinding and/or high speed shear, obtain 25% promazine Sulfometuron Methyl+1% cyhalofop-butyl oil-suspending agent.
Embodiment 2 10 % promazine Sulfometuron Methyls+2% cyhalofop-butyl wetting powder
Promazine Sulfometuron Methyl 10%
Cyhalofop-butyl 2%
Lauryl sodium sulfate 10%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
Ratio composition in prescription such as active component, various auxiliary agent and filler is mixed, after ultrafine crusher is pulverized, namely obtain 10% promazine Sulfometuron Methyl+2% cyhalofop-butyl wetting powder.
Embodiment 3 1% promazine Sulfometuron Methyls+50% cyhalofop-butyl wetting powder
Promazine Sulfometuron Methyl 1%
Cyhalofop-butyl 50%
Calcium dodecyl benzene sulfonate 1%
Sodium lignin sulfonate 2%
White carbon complements to 100%
Ratio composition in prescription such as active component, various auxiliary agent and filler is mixed, after ultrafine crusher is pulverized, namely obtain 1% promazine Sulfometuron Methyl+50% cyhalofop-butyl wetting powder.
Embodiment 4 0.1% promazine Sulfometuron Methyls+1% cyhalofop-butyl water dispersible granules
Promazine Sulfometuron Methyl 0.1%
Cyhalofop-butyl 1%
Sodium lignin sulfonate 4%
Lauryl sodium sulfate 5%
Urea 5%
Kaolin complements to 100%
Active component, dispersant, wetting agent, disintegrant and the filler ratio in prescription is mixed, be ground into wetting powder through air-flow, add a certain amount of water mixing extruding again and make material.Obtain 0.1% promazine Sulfometuron Methyl+1% cyhalofop-butyl water dispersible granules after the drying screening.
Embodiment 5 5% promazine Sulfometuron Methyls+0.1% cyhalofop-butyl missible oil
Promazine Sulfometuron Methyl 5%
Cyhalofop-butyl 0.1%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
Dimethyl sulfoxide (DMSO) complements to 100%
Mentioned component is proportionally prepared, and stirring obtains the phase of homogeneous.
Embodiment 6 10% promazine Sulfometuron Methyls+0.1% cyhalofop-butyl oil suspension emulsion
Promazine Sulfometuron Methyl 10%
Cyhalofop-butyl 0.1%
Methyl naphthalene sulfonate formaldehyde condensate 5%
Ethoxylated castor oil 3%
Bentonite 1%
Aromatic solvent 100 20%
Soybean oil complements to 100%
Promazine Sulfometuron Methyl, methyl naphthalene sulfonate formaldehyde condensate are obtained promazine Sulfometuron Methyl oil-suspending agent after grinding and/or high speed shear; Cyhalofop-butyl, aromatic solvent 100, ethoxylated castor oil mixing and stirring are obtained the missible oil of cyhalofop-butyl; The cyhalofop-butyl missible oil that obtains is joined in the promazine Sulfometuron Methyl oil-suspending agent, obtain 10% promazine Sulfometuron Methyl+0.1% cyhalofop-butyl suspension emulsion.
Embodiment 7 20% promazine Sulfometuron Methyls+1% cyhalofop-butyl wetting powder
Promazine Sulfometuron Methyl 20%
Cyhalofop-butyl 1%
Lauryl sodium sulfate 10%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
Said components is mixed in proportion, and grind, pulverize, be prepared into wetting powder.
Embodiment 8 40% promazine Sulfometuron Methyls+4% cyhalofop-butyl water dispersible granules
Promazine Sulfometuron Methyl 40%
Cyhalofop-butyl 4%
MODIFIED LIGNOSULPHONATE 5%
Lauryl sodium sulfate 5%
Urea 5%
Kaolin complements to 100%
Promazine Sulfometuron Methyl active component, dispersant, wetting agent, disintegrant and the filler ratio in prescription is mixed, be ground into wetting powder through air-flow; Adding cyhalofop-butyl again mixes; Add a certain amount of water mixing extruding again and make material.Obtain 40% promazine Sulfometuron Methyl+4% cyhalofop-butyl water dispersible granules after the drying screening.
Embodiment 9 2% promazine Sulfometuron Methyls+50% cyhalofop-butyl suspension emulsion
Oil phase:
Promazine Sulfometuron Methyl 2%
Methyl oleate 10%
Ethoxylated castor oil 5%
Water:
Cyhalofop-butyl 50%
MODIFIED LIGNOSULPHONATE 1%
Water complements to 100%
Cyhalofop-butyl is dissolved in the methyl oleate, adds ethoxylated castor oil and obtain oil phase; With promazine Sulfometuron Methyl, MODIFIED LIGNOSULPHONATE and water, sand milling obtains the suspension water of promazine Sulfometuron Methyl according to prescription; Under agitation oil phase is added water and obtain suspension emulsion.
Embodiment 10 5% promazine Sulfometuron Methyls+10% cyhalofop-butyl wetting powder
Promazine Sulfometuron Methyl 5%
Cyhalofop-butyl 10%
Sodium lignin sulfonate 1%
NaLS 2%
The silicic acid 1% of high degree of dispersion
Kaolin complements to 100%
Said components is mixed in proportion, and grind, pulverize, be prepared into wetting powder.
Embodiment 11 1% promazine Sulfometuron Methyls+25% cyhalofop-butyl coated granule
Promazine Sulfometuron Methyl 1%
Cyhalofop-butyl 25%
Polyethylene glycol 3%
The silicic acid 1% of high degree of dispersion
Calcium carbonate complements to 100%
In blender, levigate active component evenly is applied to by on the wetting carrier of polyethylene glycol.Can obtain dustless coated granule in this way.
Embodiment 12 1% promazine Sulfometuron Methyls+5% cyhalofop-butyl wetting powder
Promazine Sulfometuron Methyl 1%
Cyhalofop-butyl 5%
Lauryl sodium sulfate 1%
Sodium lignin sulfonate 1%
Kaolin complements to 100%
Said components is mixed in proportion, and grind, pulverize, be prepared into wetting powder.
Embodiment 13 20% promazine Sulfometuron Methyls+10% cyhalofop-butyl is extruded granule
Promazine Sulfometuron Methyl 20%
Cyhalofop-butyl
10%
Sodium lignin sulfonate 4%
Carboxymethyl cellulose 2%
Kaolin complements to 100%
Active component is mixed with auxiliary agent and grind the mixture water-wet.This mixture is extruded, dry in air stream then.
Embodiment 14 0.1% promazine Sulfometuron Methyls++ 20% cyhalofop-butyl kind clothing agent
Promazine Sulfometuron Methyl 1%
Cyhalofop-butyl 20%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
PVP-K30 1%
Water complements to 100%
Above-mentioned each component is mixed in proportion, and through sand milling, be prepared into kind of a clothing agent.
Embodiment 15 0.1% promazine Sulfometuron Methyls+10% cyhalofop-butyl ZC
Atlox 4913 4%
Citric acid 0.05%
Catalyzer 0.1%
Water 13%
Cyhalofop-butyl 10%
PAPI 1.35%
Solvesso 200 10%
Atlox4913 16%
Dispersant LFH 0.3%
Defoamer 0.16%
Urea 8.4%
Promazine Sulfometuron Methyl 0.1%
Water complements to 100%
The oil phase adding that PAPI, cyhalofop-butyl, Solvesso 100 are formed contains in the aqueous solution of Atlox4913, forms emulsion.Heat then and be incubated under 50oC and added catalyst reaction 2 hours.Obtain the microcapsules of cyhalofop-butyl after the cooling.
Atlox 4913, dispersant LFH, and defoamer, urea, promazine Sulfometuron Methyl and water mix in proportion, and through sand milling, are prepared into suspending agent.
The cyhalofop-butyl microcapsules that obtains is added in the suspending agent of promazine Sulfometuron Methyl, and stirring obtains 0.1% promazine Sulfometuron Methyl+10% cyhalofop-butyl ZC.
Embodiment 16 0.3% promazine Sulfometuron Methyls+0.5% cyhalofop-butyl suspended emulsion
Promazine Sulfometuron Methyl 0.3%
Cyhalofop-butyl 0.5%
Solvesso 200 10%
Ethoxylated castor oil 4%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 5%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
Cyhalofop-butyl is dissolved among the Solvesso 200, adds ethoxylated castor oil, obtain the missible oil of cyhalofop-butyl;
With promazine Sulfometuron Methyl, fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium, above-mentioned each component mixes in proportion, and through sand milling, is prepared into suspending agent.
The oil phase that will contain cyhalofop-butyl joins in the suspending agent that contains the promazine Sulfometuron Methyl, obtains suspended emulsion.
Embodiment 17 10% promazine Sulfometuron Methyls+2% cyhalofop-butyl missible oil
Promazine Sulfometuron Methyl 10%
Cyhalofop-butyl 2%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
Solvesso100 complements to 100%
Above-mentioned each component is mixed, be stirred to and obtain transparent homogeneous phase.
Embodiment 18 50% promazine Sulfometuron Methyls+50% cyhalofop-butyl
Promazine Sulfometuron Methyl 50%
Cyhalofop-butyl 50%
Promazine Sulfometuron Methyl, cyhalofop-butyl are proportionally mixed.
Embodiment 19 30% promazine Sulfometuron Methyls+30% cyhalofop-butyl+40% azoles humulone
Promazine Sulfometuron Methyl 30%
Cyhalofop-butyl 30%
Azoles humulone 40%
Proportioning is the weight per distribution ratio among the above embodiment.
Among the above-mentioned FORMULATION EXAMPLE 1-embodiment 18, the present invention is disclosed respectively with promazine Sulfometuron Methyl and the cyhalofop-butyl different dosage form as the weed killer herbicide of active ingredient, but the present invention is not limited to above-described embodiment, in other feasible embodiment, the proportioning of each chemical composition, working condition all can change in the composition.In the embodiment of the invention 19, in order to access weed killer herbicide more efficiently, the active ingredient of above-mentioned Herbicidal combinations is except comprising above-mentioned two kinds of compounds, also can comprise one or more other effective herbicidal constituents (being ternary or Recompounded multielement), for example, other compositions can comprise serial herbicide for paddy field such as azoles humulone, bentazone, the third careless amine, bensulfuron-methyl, pyrazosulfuron or two careless ethers, mentioned component is carried out composite according to constant weight percentage, can significantly promote the preventive effects of weeds.
In order to embody the weed control efficacy of weed killer herbicide of the present invention better, describe below with reference to concrete experimental data.
The biological test example
When the effect of active compound combinations surpasses the summation of the effect when each reactive compound is used separately, there is synergistic function.The predictive role of the particular combination of two kinds of reactive compounds can use so-called " Colby formula " (referring to S.R. Colby, " Calculating Synergistic and Antagonistic Responses of Herbicide Combinations ", Weeds 1967,15,20-22) following calculating: if
X be when use consumption as mg/ha or concentration the activity during as the reactive compound A of mppm;
Y be when use consumption as ng/ha or concentration the activity during as the reactive compound B of nppm, be expressed as the percentage that accounts for untreated control;
E be when use consumption as m and n g/ha or concentration the activity during as the reactive compound A of m and n ppm and B,
So
If the activity of actual observation (O) is greater than expection active (E), so said composition super add and, namely have synergistic effect.
The inventor is by a large amount of screening tests, the different proportionings of promazine Sulfometuron Methyl and cyhalofop-butyl test and preventive effect analysis have been carried out a large amount of, discovery is in certain ratio range, resulting Herbicidal combinations has synergistic effect, and be not only the simple addition of two kinds of medicaments, be illustrated with following biologicall test example.
Test before the seedling:
Under greenhouse experiment, test plant is seeded in the seedling alms bowl.Use standard soil is as cultivation matrix.In the seedling last stage, weed killer herbicide is administered to soil surface separately or with the form of mixture.Consumption depends on determined optium concentration under field or greenhouse experiment.(100% effect=plant is dead fully in 2-4 week post-evaluation test; 0% effect=plant-less toxicity effect).The mixture of Shi Yonging shows than using good result separately in this test.
Test behind the seedling:
Test: carry out the weeding test at dissimilar weeds (rice barnyard grass, moleplant seed, Monochoria vaginalis, difformed galingale herb, angustifolia arrowhead herb, Procumbent Falsepimpernel, firefly Lin).
Test method: the paddy soils of in seedling alms bowl (diameter 8cm * degree of depth 12cm), loading the about 8cm of the degree of depth, in this basin, add water and in addition smooth, it was left standstill three days, degree of depth place at the about 0.5cm of distance soil surface, firefly Lin of sowing rice barnyard grass, moleplant seed, the Monochoria vaginalis of anti-sulfonylurea herbicide, the angustifolia arrowhead herb of anti-sulfonylurea herbicide, the Procumbent Falsepimpernel of anti-sulfonylurea herbicide, anti-sulfonylurea herbicide, the difformed galingale herb of anti-sulfonylurea herbicide.Add water till the degree of depth of distance soil surface 3cm.Under irrigation conditions, plant one period predetermined time.When plant reaches the 3-4 leaf during stage, the seedling alms bowl of the predetermined number of the plant that growing is transferred in the square plastic basin, highly be 3cm to wherein being filled to.Use the back type sprayer that weed killer herbicide is administered on the test plants that is under the water saturation soil condition separately or with the form of mixture.Consumption depends on determined optium concentration under field condition.(100% effect=plant is dead fully in chemical treatment 3-5 week post-evaluation test; 0% effect=plant-less toxicity effect).The mixture of Shi Yonging shows good result in this test.
Prepare three kinds of reagent according to constant weight percentage: 1, promazine Sulfometuron Methyl; 2, cyhalofop-butyl; 3, promazine Sulfometuron Methyl+cyhalofop-butyl.With above-mentioned each reagent dilute with water, obtain the medicament dilution afterwards.After the medicament dilution handled the regular hour, observe firefly Lin to the Procumbent Falsepimpernel of the angustifolia arrowhead herb of the Monochoria vaginalis of rice barnyard grass, moleplant seed, anti-sulfonylurea herbicide, anti-sulfonylurea herbicide, anti-sulfonylurea herbicide, anti-sulfonylurea herbicide respectively, the herbicidal effect of the difformed galingale herb of anti-sulfonylurea herbicide.
The herbicidal effect to the rice barnyard grass is observed in the back around handling
The back is to the herbicidal effect of moleplant seed around handling
Handle the herbicidal effect of the Monochoria vaginalis of five weeks back antagonism sulfonylurea herbicide
Handle the herbicidal effect of the angustifolia arrowhead herb of five weeks back antagonism sulfonylurea herbicide
Handle the herbicidal effect of the Procumbent Falsepimpernel of five weeks back antagonism sulfonylurea herbicide
Handle firefly Lin's of five weeks back antagonism sulfonylurea herbicide herbicidal effect
Handle the herbicidal effect of the difformed galingale herb of five weeks back antagonism sulfonylurea herbicide
According to result of the test as can be seen, the herbicidal effect of the Herbicidal combinations of promazine Sulfometuron Methyl+cyhalofop-butyl obviously adopts promazine Sulfometuron Methyl or cyhalofop-butyl better more separately, possess the obvious gain effect, and under the active ingredient of low usage amount, keep higher activity of weeding; In the re-compounded binary herbicide of the present invention, because the existence of promazine Sulfometuron Methyl, it has effectively guaranteed the control to the weeds of the anti-sulfonylurea herbicide of present part, in addition, two kinds of herbicidal constituents are used separately in any one composition wherein, have and wider kill the grass spectrum, and this composition possesses the characteristic of low toxicity, low-residual, significantly promoted the control efficiency to weeds in the crop growth environment.
Composition of the present invention and class methods be described by specific embodiment.Those skilled in the art can use for reference links such as content appropriate change raw material of the present invention, process conditions and realize corresponding other purposes, its relevant change does not all break away from content of the present invention, so similarly replace and change will become apparent to those skilled in the art that and all is regarded as comprising within the scope of the present invention.
Claims (11)
1. a Herbicidal combinations is characterized in that, the active principle of described Herbicidal combinations comprises promazine Sulfometuron Methyl and cyhalofop-butyl, and wherein promazine Sulfometuron Methyl and cyhalofop-butyl weight proportion are 100:1 to 1:100.
2. Herbicidal combinations according to claim 1 is characterized in that, described promazine Sulfometuron Methyl and cyhalofop-butyl weight proportion are 50:1 to 1:50.
3. a kind of Herbicidal combinations according to claim 1, it is characterized in that: described promazine Sulfometuron Methyl and cyhalofop-butyl weight proportion are 25:1 to 1:25.
4. a kind of Herbicidal combinations according to claim 3, it is characterized in that: described promazine Sulfometuron Methyl and cyhalofop-butyl weight proportion are 10:1 to 1:10.
5. a kind of Herbicidal combinations according to claim 1 is characterized in that: described Herbicidal combinations can be mixed with agricultural and go up any formulation that allows.
6. a kind of Herbicidal combinations according to claim 1, it is characterized in that: described Herbicidal combinations can be mixed with wetting powder, soluble powder, aqua, missible oil, suspending agent, oil-suspending agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, water-soluble granule, ZC, ultra low volume liquids, the agent of kind clothing.
7. a kind of Herbicidal combinations according to claim 1, it is characterized in that: the active principle of described Herbicidal combinations also comprises azoles humulone, bentazone, the third careless amine, bensulfuron-methyl, pyrazosulfuron or two careless ether.
8. a Herbicidal combinations is characterized in that, the reactive compound combination that will comprise the cooperative effective quantity of claim 1 or 7 mixes with at least a preparation technique usual auxiliaries.
9. weed control method is characterized in that: described method comprises the described Herbicidal combinations of claim 1 is applied to noxious plant, its plant parts or cultural area.
10. method according to claim 9, it is characterized in that: described noxious plant is grassy weed, broad leaved weed and sedge weed.
11. method according to claim 9 is characterized in that: described cultural area is paddy field or dry land.
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