CN103210944B - Compound herbicide composition - Google Patents
Compound herbicide composition Download PDFInfo
- Publication number
- CN103210944B CN103210944B CN201310156861.4A CN201310156861A CN103210944B CN 103210944 B CN103210944 B CN 103210944B CN 201310156861 A CN201310156861 A CN 201310156861A CN 103210944 B CN103210944 B CN 103210944B
- Authority
- CN
- China
- Prior art keywords
- pyrazosulfuron
- penoxsuam
- herbicidal combinations
- azoles humulone
- weed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- VXMNDQDDWDDKOQ-UHFFFAOYSA-N Pyrazosulfuron Chemical compound COC1=CC(OC)=NC(NC(=O)NS(=O)(=O)C=2N(N=CC=2C(O)=O)C)=N1 VXMNDQDDWDDKOQ-UHFFFAOYSA-N 0.000 claims description 74
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a compound herbicide composition. The compound herbicide composition comprises a first active ingredient, a second active ingredient and a third active ingredient, wherein the first active ingredient is penoxsulam; the second active ingredient is carfentrazone-ethyl; the third active ingredient is pyrazosulfuron-ethyl; and the weight percent ratio of the three active ingredients is (0.1-20):(0.1-20):(0.1-20). By carrying out ternary compounding on penoxsulam, carfentrazone-ethyl and pyrazosulfuron-ethyl, the obtained new composition has beneficial effects on control of weeds in rice fields, reduces the application dosage of active compounds, expands the weed-controlling spectrum and does not increase the phytotoxicity to crops unacceptably.
Description
Technical field
The present invention relates to a kind of novel built Herbicidal combinations, relate in particular to a kind of ternary built, be applied to paddy rice, novel built Herbicidal combinations between wheat, corn field.
Background technology
Paddy rice is one of world's staple food crop, and nearly half population in the world, all taking rice as food, produces the each continent spreading all over except south, the arctic; 20 end of the centurys, 4,000 hundred million kilograms of left and right of View of World Rice annual production average out to, approximately 1.45 hundred million hectares of cultivated areas.Be one of important cereal crops in rice in China, rice in China sowing area accounts for 1/4 of national cereal crops, and annual approximately 3,500 ten thousand hectares, and output accounts for 50% of total grain output.No matter cultivated area or output all ranks first in Grain in China crop.
The paddy field with water direct seeding or direct-sowing dry is economized in rice field, particularly Zhejiang, the Jiangxi of all rice workspaces of China, Jiangsu, Anhui etc., all has a large amount of weeds to occur; Paddy rice all has plantation all over China, weeds in paddy field is of a great variety, and rice district, various places weeds kind is different.According to statistics, the weeds that national rice field forms harm have more than 200 to plant, wherein the most common, endanger and heavier have more than 40 to plant.It is documented, crop smothering (2～5 grades) crop smothering area more than medium in national rice field reaches 1546.7 ten thousand hm
2, accounting for 46% of total cultivated area, (4～5 grades) area of wherein seriously causing harm is 3,800,000 hm
2, account for 11.5% of Monitoring of Paddy Rice Plant Area.According to weeds harm statistics, barnyard grass generation area and harm rank first, and are secondly difformed galingale herb, Monochoria vaginalis, flat stalk Fischer grass, moleplant seed, pondweed, Monochoria korsakowii, ear leaf water amaranth etc.
Along with the development of agricultural cience and farming techniques and the enforcement of mechanization, live field (water direct seeding and direct-sowing dry) is the planting patterns that reduces artificial and the amount of lightening one's labor, but more relies on the chemical weed control in later stage; The simultaneously propagation and employment of chemical herbicide, as saving of labor, one of the strong well stimulation that saves time, reduce costs supporting the enforcement of the new mode of heavily planting.
(be after the seedling of being developed by Tao Nongke company of the U.S. (Dow AgroSciences), to use weed killer herbicide, it works by suppressing acetolactate synthestase (ALS) penoxsuam.On September 24th, 2004, in the registration of U.S. EPA official register, applies in southern US rice district for 2005, within 2008, registers and starts in China and promote the use of.This medicament can very effectively be prevented and kill off barnyard grass and (comprise Stam F-34, the barnyard grass of dichloro quinolinic acid and anti-acetyl coenzyme A carboxylase tool resistance), moleplant seed and annual sedge weed, simultaneously, it also can prevent and kill off anti-sulfonylurea weeds in paddy field, and many broad-leaveds and sedge weed and barnyard grass etc. are had to residual activity, for the widest kind of herbicide spectrum in weed killer herbicide for current paddy field, but use cost is high, limiting its spread uses, therefore by composite to penoxsuam and other kind combinations of herbicides, improve drug effect, expand control of weeds spectrum, reduce usage amount, expanding using of this medicament is current urgent problem.
The English common name penoxsulam of penoxsuam, chemical name 2-(2,2-difluoro ethoxy)-N-(5,8-dimethoxy (1,2,4) triazole-(1,5-C) pyrimidine-2-base)-6-trifluoromethyl-benzene sulfanilamide (SN).Structural formula is:
Penoxsuam is a kind of triazolopyrimidine sulfonamide weed killer herbicide, works by suppressing acetyl-lactic acid ester synzyme, and medicament, via grass cutting blade, sheath portion or root absorption, conducts to meristematic tissue, causes that weed growth stops, yellow, then dead.Be used for preventing and kill off paddy field annual weed, to barnyard grass special efficacy, but to the anti-heterodyne of part grassy weed, nutgrass flatsedge and broad leaved weed.The action target of this medicament is acetolactate synthestase (ALS), it is documented the weeds of anti-sulfonylurea herbicide to the cross resistance level of triazolopyrimidine sulfonamides herbicide significantly lower than to other sulfonylurea medicaments, and the activity of weeding of penoxsuam and other ALS inhibitor have obvious difference.Therefore penoxsuam is the comparatively ideal weed killer herbicide of control paddy field weed.Penoxsuam effectively defense sector is prevented and kill off barnyard grass (comprising the barnyard grass to Stam F-34, dichloro quinolinic acid and anti-acetyl coenzyme A carboxylase tool resistance) rice barnyard grass, angustifolia arrowhead herb, sesbania and annual sedge weed; For place of water rice field, sulfonylurea is produced the improvement of resistant weed.
In the use procedure of field, although showing, penoxsuam there is good preventive effect to most of grass family such as barnyard grass are assorted, part grassy weed, broad leaved weed, nutgrass flatsedge are only only had to some inhibitory action, a drug cannot solve the harm of weeds in field.Penoxsuam has used nearly 10 years in paddy area in the southern part of China, by initial consumption (active ingredient) 15g/hm
2be increased to present 37.5g/hm
2.Although temporarily have no the report to penoxsuam resistance about weeds, in actual production, consumption has improved 2-2.5 doubly, and the coming years, consumption will improve again, and the pesticide resistance of concern weeds is very important problem.
Penoxsuam is control paddy field grass family and the comparatively ideal weed killer herbicide of part sedge weed in sum, but still have its weak point, based on above reason by penoxsuam and other herbicide for paddy field science assembly, thereby expand herbicide spectrum, reducing medication number of times and dosage, is current rice district urgent need to solve the problem.
Azoles humulone, Chinese name is again good fortune agriculture, go out spirit, triazolone grass ester, carfentrazone soon, and it is the triazolineone weed killer herbicide by the exploitation of rich U.S. real (FMC) company of the U.S..Its chemical name is: the chloro-5-[4-of the chloro-3-{2-of ethyl-2-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxygen-1H-1,2,4-triazol-1-yl]-4-fluorophenyl } ethyl propionate, its structural formula is:
Azoles humulone is a kind of contact killing type selective herbicide, under the condition that has light, in chlcrophyll biosynthesis process, causes the accumulation of poisonous intermediate by suppressing proporphyrinogen oxidase, thereby destroys the cell membrane of weeds, makes blade withered, dead rapidly.Carfentrazoneethyl is absorbed by plant leaf blade in 15 minutes after spray medicine, and it is not drenched with rain and affect, and after 3-4 hours, poisoning symptom just appears in weeds, death in 2-4 days.The feature of azoles humulone is that herbicide speed is fast, be subject to low temperature effect little, medication chance is wide, because azoles humulone has good low temperature resistant and resistance of rainwater washing against effect, can be before the winter temperature drop to medication when very low, also can get the jump on frequently the timely medication in rainy day gap spring in rainfall, and fool proof to succession crop, be the fine herbicide that wheatland is eliminated spring.
Being mainly used in of azoles humulone prevented and kill off broad leaved weed and nutgrass flatsedge as weeds such as clearvers, white dead nettle, Veronica, piemarker, Armstrong, lamb's-quarters, red heart lamb's-quarters, blank pipe are led a cow, weasel hemp nettle, pale persicaria, willow leaf thorn knotweed, volume stem knotweed, Amaranthus retroflexus, acalypha copperleaf, precious leaf mustard, corn sow thistle, white dead nettle, fruitlet flax, summer cypress, black nightshade, sinapsis albas.Especially clearvers, piemarker, red heart lamb's-quarters, shepherd's purse, wartwort, corn gromwell, the blank pipe weeds such as lead a cow are had to excellent imitation, the weeds etc. that sulfonylurea herbicide produced to resistance have good activity.
Pyrazosulfuron Chinese name cry again careless jinx, rice song or the rice moon raw, its chemical name be 5-(the amino sulphur-1-methylpyrazole-4-carboxylic acid of 4,6-dimethoxypyridin base-2-carbamyl (ethyl ester), its structural formula is:
Pyrazosulfuron is efficient selective herbicide for paddy field, belongs to side chain amino acid synthetic inhibitor.Its active ingredient can spread rapidly in water, after the root absorption of weeds, be transmitted to the biosynthesis that suppresses acetolactate synthestase, the necessary amino acid valine of plant and isoleucine in plant body and stoped cell division, suppress rapidly the growth of weeds leaves and stems and the stretching, extension of root, then completely withered.Though after dispenser, weeds still present green sometimes, grow and receive inhibition, lose the competitive ability with paddy rice.After rice absorbing, in plant body, carry out hydroxylating, and be degraded to rapidly the compound of non-activity, therefore pyrazosulfuron is to rice safety.Not temperature influence of its drug effect, lasting medicine, disposable employed, can control the perennial long-term multiple weeds harm of paddy rice.Better to the control efficiency such as broad leaved weed, sedge weed.Can prevent and treat rice direct seeding field, transplant field, seedling throwing field weeds, as needle spikesedge herb, Herba Cyperi Glomerati, difformed galingale herb, Monochoria vaginalis, Monochoria korsakowii, rhizoma alismatis, short arrowhead, pondweed, firefly Lin, duckweed, bur beggar-ticks, floating life water starwort, grass, take turns hot-tempered, little najas marina, three calyx waterworts, horsefly eye, sweet wine intestines, mexicana, Chinese celery etc.But using continuously due to long-term, there is resistance in various degree to pyrazosulfuron in the rice field main weeds such as difformed galingale herb, firefly Lin, arrowhead, Monochoria korsakowii, Monochoria vaginalis, Procumbent Falsepimpernel.Pyrazosulfuron only has stronger inhibitory action to barnyard grass.Before bud or seedling post processing, preventive effect is good.
CN200810097409 discloses a kind of rice direct seeding field mixed herbicide that contains penoxsuam and pyrazosulfuron.Practical application finds that penoxsuam and pyrazosulfuron show as not high shakiness for the preventive effect of some weeds.Especially to lady's-grass, eleusine indica, moleplant seed, flat stalk Fischer grass, faber bristlegrass herb, angustifolia arrowhead herb etc.
CN200810243289 discloses pyrazosulfuron and the composite weed killer herbicide of azoles humulone, for preventing and kill off paddy field broad leaved weed.It is invalid to rice field grassy weed.
Summary of the invention
The present invention seeks in order disposablely to prevent and kill off all weeds in field, expand the restriction of the herbicide spectrum of pyrazosulfuron and the combination of azoles humulone, mention penoxsuam and the pyrazosulfuron speed to nutgrass flatsedge and broadleaved herb herbicide, the weed killer herbicide that provides a kind of overall process at paddy growth to use, the invention provides a kind of novel built Herbicidal combinations, said composition is undertaken composite by penoxsuam, azoles humulone and pyrazosulfuron.The discovery that the present invention is surprised, the new compositions obtaining has been obtained gain effect on control paddy field, corn field, wheat paddock malignant weed, especially to thering is special efficacy in the long-term weeds that use sulfonylureas weed killer herbicide area to develop immunity to drugs, to succession crop safety, significantly reduce the amount of the required active component of control of weeds, and the phytotoxicity of crop is not produced to unacceptable toxicity.
In order to solve the problems of the technologies described above, the invention provides a kind of novel built Herbicidal combinations, said composition is by carrying out ternary built by penoxsuam, azoles humulone and pyrazosulfuron, make obtained new compositions obtain gain effect in the control of paddy rice, wheat, corn weeds in field, especially to thering is special efficacy in the long-term weeds that use sulfonylureas weed killer herbicide area to develop immunity to drugs, to succession crop safety.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of composite Herbicidal combinations, comprises
The first active component: penoxsuam,
The second active component: azoles humulone,
The 3rd active component: pyrazosulfuron,
Above-mentioned three kinds of active components ratio range is by weight percentage 0.1～20:0.1～20:0.1～20.
As a further improvement on the present invention, described three kinds of active components ratio range is by weight percentage 1～10:1～10:1～10, preferably 1～5:1～5:1～5.
Described novel built Herbicidal combinations can be mixed with the upper any formulation allowing of agricultural.Preferably liquor, wetting powder, missible oil, suspending agent, oil-suspending agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, ZC, ultra low volume liquids.
The present invention also provides a kind of novel built Herbicidal combinations, and the reactive compound that comprises described cooperative effective quantity combination mixes with at least one preparation technique usual auxiliaries.
The present invention also provides the method for the undesirable plant of a kind of collaborative control, comprises described novel built Herbicidal combinations is applied on the growth place or leaf or stem of undesirable plant.Described undesirable plant is grassy weed, broad leaved weed and sedge weed.
The preferred barnyard grass of described undesirable plant, moleplant seed, clearvers, white dead nettle, Veronica, piemarker, Armstrong, lamb's-quarters, red heart lamb's-quarters, blank pipe is led a cow, weasel hemp nettle, pale persicaria, willow leaf thorn knotweed, volume stem knotweed, Amaranthus retroflexus, acalypha copperleaf, precious leaf mustard, corn sow thistle, white dead nettle, fruitlet flax, summer cypress, black nightshade, sinapsis alba, rice Li Shi standing grain, needle spikesedge herb, Herba Cyperi Glomerati, difformed galingale herb, Monochoria vaginalis, Monochoria korsakowii, rhizoma alismatis, short arrowhead, pondweed, firefly Lin, duckweed, bur beggar-ticks, floating life water starwort, not grass, take turns hot-tempered, little najas marina, three calyx waterworts, horsefly eye, sweet wine intestines, mexicana, Chinese celery.
The present invention also provides the method for the undesirable plant of a kind of collaborative control, comprises composite Herbicidal combinations is used under the seed of useful crop plant, useful crop or other breeding part existence of useful crop.Wherein said useful crop is paddy rice, wheat, corn.Preferably paddy rice and corn crop.
The composite Herbicidal combinations of the present invention, said composition is by carrying out ternary built by penoxsuam, azoles humulone and pyrazosulfuron, make obtained new compositions obtain gain effect in the control of paddy rice, wheat, corn weeds in field, especially to thering is special efficacy in the long-term weeds that use sulfonylureas weed killer herbicide area to develop immunity to drugs, to succession crop safety.
The composite Herbicidal combinations of the present invention is in order disposablely to prevent and kill off all weeds in field, expand the restriction of the herbicide spectrum of pyrazosulfuron and the combination of azoles humulone, mention penoxsuam and the pyrazosulfuron speed to nutgrass flatsedge and broadleaved herb herbicide, the weed killer herbicide that provides a kind of overall process at paddy growth to use.
Embodiment
The combination of active principles of different agricultural chemicals is made to agricultural chemicals, is effectively and the efficiently mode of one of the upper resistant weed of current development novel pesticide and control agricultural.The agricultural chemicals of different cultivars shows three kinds of type of action: summation action, synergistic effect and antagonism after mixing conventionally.But be specially which kind of effect, unpredictable, only have by great many of experiments and just can know.Compound synergic is good formula, owing to obviously having improved actual control efficiency, has reduced the usage amount of agricultural chemicals, thereby has delayed widely drug-fast generation speed, is the important means of integrated control disease.
The invention provides a kind of composite Herbicidal combinations, comprise
The first active component: penoxsuam,
The second active component: azoles humulone,
The 3rd active component: pyrazosulfuron,
Inventor is by a large amount of screening tests, the different proportionings of penoxsuam, azoles humulone, pyrazosulfuron test and effectiveness analysis have been carried out a large amount of, find in certain ratio range, the Herbicidal combinations obtaining has gain effect, and is not only the simple addition of three kinds of medicaments.
Above-mentioned three kinds of active components ratio range is by weight percentage 0.1～20:0.1～20:0.1～20, preferably 1～10:1～10:1～10, preferably 1～5:1～5:1～5.
The present invention also provides a kind of composite Herbicidal combinations, and the reactive compound that comprises described cooperative effective quantity combination mixes with at least one preparation technique usual auxiliaries.
The auxiliary agent using in composite 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 of active ingredient stable and drug effect performance in preparation, all various compositions conventional in agricultural chemicals or that permission is used, be not particularly limited, concrete composition and consumption require to determine by simple experiment according to formula.
The liquid-carrier that is applicable to preparation composite Herbicidal combinations of the present invention comprises aromatic hydrocarbons, aliphatic hydrocarbon.Particularly suitable be polar solvent, as alcohols and their ether and ester.In addition also have vegetable oil and the molten fiber of methyl.Meanwhile, the mixture of different liquids is also suitable for.
The solid carrier that is applicable to novel built 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 applicable to preparation novel built Herbicidal combinations of the present invention can be anion and/or non-example type emulsifier, such as alkylphenol polyoxyethylene, alkylphenol-polyethenoxy polyethenoxy ether, Ben-zylphenol Polyoxyethyl Ether, polyoxyethylene fatty acid ester, polyoxyethylene aliphatic alcohol ether, polyoxyethylene fatty amine, alkyl phenol polyglycol ether etc.
The dispersant that is applicable to preparation novel built Herbicidal combinations of the present invention can be alkylnaphthalene sulfonate, two (alkyl) naphthalenesulfonate formaldehyde condensation compound, naphthalene sulfonic acid-formaldehyde condensation product, alkylphenol-polyethenoxy based phosphates, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol polyoxyethylene phosphate, alkylphenol polyoxyethylene, 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.Such as 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 enumerate the carboxymethyl cellulose conventionally using with auxiliary agent form in the time of preparation, ethylene glycol and propane diols etc.
Novel built Herbicidal combinations in the present invention can also contain colouring agent, for example inorganic pigment iron oxide, titanium oxide or Prussian blue; Organic dyestuff alizarin, azo dyes, metal phthalocyanine orchid or kiton colors etc.
Can any conventional form use composition of the present invention.The blade face formulation example of premix composition is:
GR: granule
WP: wetting powder
WG: water dispersibles granula
SG: soluble granule
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
The preferred formulation of the present invention can be liquor, wetting powder, missible oil, suspending agent, oil-suspending agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, ZC, ultra low volume liquids.
For water dispersible granules, those skilled in the art are familiar with the corresponding auxiliary agent of use and complete 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 (Huntsman Corporation of the U.S. produces, alkyl naphthalene sulfonic acid salt); Emulsifier is selected from Nongru-700 # (common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60# (common name: sorbitan monostearate), emulsifier T-60 (common name: sorbitan monostearate APEO), agriculture breast 1601# (common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), TERSPERSE 4894 (Huntsman Corporation of U.S. product); 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 (Huntsman Corporation of U.S. 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).
To dispersibling oil-suspending agent, spendable auxiliary agent has: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), TERSPERSE 2425, 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), agriculture breast 2201, this dish-60# (common name: sorbitan monostearate), Tween-60 # (common name: sorbitan monostearate APEO), agriculture breast 1601# (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 applicable to bucket mixing composition is solution, dilution emulsion, suspending agent or its mixing and pulvis.
Conventionally, bucket mixing composition be form with solvent (as water) dilution containing different agricultural chemicals, and one or more premix compositions of further auxiliary agent optionally.
Generally, blade face bucket mixture comprises 0.1-20%, the particularly reactive compound of 0.1-15%, and 99.9%-80%, the particularly solid-state or liquid flux of 99.9-85% (comprising ratio of solvent as water), wherein auxiliary agent can be taking bucket mixture as basis, the surfactant of content 0-20%, particularly 0.1-15%.
Conventionally the pre-mixing agent of foliage applying comprises 0.1-99.9%, the particularly active compound component of 1-95%, and 99.9-0.1%, the particularly solid-state or liquid flux of 99-5% (comprising if ratio of solvent is as water), wherein auxiliary agent can be taking pre-mixing agent as basis, the surfactant of content 0-50%, particularly 0.5-40%.
Composition through preparation of the present invention comprises 0.5-99.9%, particularly 1-95%, the advantageously active compound component of 1-50%, and 99.5-0.1%, the particularly solid of 99-5% quality or liquid assistant agent (comprising if solvent is as water), wherein said auxiliary agent (or assistant agent) can be the surfactant of the 0-50% based on pre-mixing agent quality, particularly 0.5-40%.
The present invention also provides the method for the undesirable plant of a kind of collaborative control, comprises described composite Herbicidal combinations is applied on the growth place or leaf or stem of undesirable plant.Described undesirable plant is grassy weed, broad leaved weed and sedge weed.Preferably clearvers, white dead nettle, Veronica, piemarker, Armstrong, lamb's-quarters, red heart lamb's-quarters, blank pipe is led a cow, weasel hemp nettle, pale persicaria, willow leaf thorn knotweed, volume stem knotweed, Amaranthus retroflexus, acalypha copperleaf, precious leaf mustard, corn sow thistle, white dead nettle, fruitlet flax, summer cypress, black nightshade, sinapsis alba, barnyard grass, rice Li Shi standing grain, needle spikesedge herb, Herba Cyperi Glomerati, difformed galingale herb, Monochoria vaginalis, Monochoria korsakowii, rhizoma alismatis, short arrowhead, pondweed, firefly Lin, duckweed, bur beggar-ticks, floating life water starwort, not grass, take turns hot-tempered, little najas marina, three calyx waterworts, horsefly eye, sweet wine intestines, mexicana, Chinese celery etc.
The present invention also provides the method for the undesirable plant of a kind of collaborative control, comprises novel built Herbicidal combinations is used under the seed of useful crop plant, useful crop or other breeding part existence of useful crop.Wherein said useful crop is corn, paddy rice, wheat.Preferably paddy rice and corn crop.
According to preparation characteristic, can be selected from application process according to expection object and popular environment, as blade face, soak into, spray, dust, scattering selects.
The cooperative effective quantity that is applicable to the combination of composition of the present invention can be according to condition at that time as variations such as the kinds of weed pressure, time of application, method of application, weather, soil regime, features of terrain, target crop.In practicing, about 0.10kg/ha-1.00kg/ha is enough provided, preferably the rate of application of the active component of approximately 0.25 kg/ha-0.75 kg/ha is suitable.
The inventive method is most preferably for preventing and treating plant growth district maybe by the weeds in the region for kind of plant.When for plant growth district, amount of application should be enough to control weed growth but can be to not do the permanent injury that deposits yields is serious.
Herbicidal combinations of the present invention can also can be at postemergence application at preemergence application, preferably postemergence application, and particularly weed growth is early stage.With Herbicidal combinations early time treatment before plantation (particularly soil surface is used) be also one of feature of the inventive method.
The present invention compared with prior art has following beneficial effect:
The invention provides a kind of novel built Herbicidal combinations, said composition is by carrying out ternary built by penoxsuam, azoles humulone and pyrazosulfuron, make obtained new compositions to having obtained gain effect in the control of grassy weed, broad leaved weed and sedge weed, expanded herbicidal spectrum.Especially on control paddy field, wheat paddock, corn field malignant weed, obtained gain effect, significantly having reduced controlling weeds dispensary needs the amount of active component, and the phytotoxicity of crop is not produced to unacceptable increase.And Herbicidal combinations of the present invention is especially to having special efficacy in the long-term weeds that use sulfonylureas weed killer herbicide area to develop immunity to drugs, to succession crop safety.
From the following embodiments can be seen that, herbicide composition of the present invention shows good activity of weeding, and the activity of weeding of single reactive compound or binary activity of weeding a little less than, the activity of combination of the present invention exceed each single compound activity and binary combination activity simply adding and.
When active sum in the time that the activity of weeding of reactive compound combination exceedes each reactive compound and uses separately, always there is synergy.
example of formulations
realexecute routine 1:1% penoxsuam+5% azoles humulone+10% pyrazosulfuron oil-suspending agent
Penoxsuam 1%
Azoles humulone 5%
Pyrazosulfuron 10%
Methyl naphthalene sulfonate formaldehyde condensate 10%
Bentonite 1%
Glycerine 5%
Corn oil complements to 100%
Active component, dispersant, wetting agent and the each component of corn wet goods are mixed according to the ratio of formula, after grinding and/or high speed shear, obtain 1% penoxsuam+5% azoles humulone+10% pyrazosulfuron oil-suspending agent.
Embodiment 2 0.1% penoxsuam+10% azoles humulone+10% pyrazosulfuron wetting powders
Penoxsuam 0.1%
Azoles humulone 10%
Pyrazosulfuron 10%
Lauryl sodium sulfate 10%
Sodium lignin sulfonate 5%
Sucrose complements to 100%
Active component, various auxiliary agent and filler etc. are mixed in the ratio composition of formula, after ultra-fine pulverizer disintegrating, obtain 0.1% penoxsuam+10% azoles humulone+10% pyrazosulfuron wetting powder.
Embodiment 3 1% penoxsuam+5% azoles humulone+20% pyrazosulfuron wetting powders
Penoxsuam 1%
Azoles humulone 5%
Pyrazosulfuron 20%
Calcium dodecyl benzene sulfonate 1%
Sodium lignin sulfonate 2%
White carbon complements to 100%
Active component, various auxiliary agent and filler etc. are mixed in the ratio composition of formula, after ultra-fine pulverizer disintegrating, obtain 1% penoxsuam+5% azoles humulone+20% pyrazosulfuron Wettable Powder.
Embodiment 4 0.1% penoxsuam+1% azoles humulone+3% pyrazosulfuron water-soluble granules
Penoxsuam 0.1%
Azoles humulone 1%
Pyrazosulfuron 3%
Sodium lignin sulfonate 4%
Lauryl sodium sulfate 5%
Urea 5%
Sucrose complements to 100%
Active component, dispersant, wetting agent, disintegrant and filler are mixed in the ratio of formula, become wetting powder through air-flow crushing, then add a certain amount of water mixing extruding to make material.After drying screening, obtain 0.1% penoxsuam+1% azoles humulone+3% pyrazosulfuron water-soluble granule.
Embodiment 5 1% penoxsuam+10% azoles humulone+10% pyrazosulfuron ultra low volume liquids
Penoxsuam 1%
Azoles humulone 10%
Pyrazosulfuron 10%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
Dimethyl sulfoxide (DMSO) complements to 100%
Mentioned component is proportionally prepared, stirred and obtain the phase of homogeneous.
Embodiment 6 10% penoxsuam+5% azoles humulone+20% pyrazosulfuron suspension emulsions
Penoxsuam 10%
Azoles humulone 5%
Pyrazosulfuron 20%
Methyl naphthalene sulfonate formaldehyde condensate 5%
Ethoxylated castor oil 3%
Bentonite 1%
Aromatic solvent 100 20%
Soybean oil complements to 100%
Penoxsuam, pyrazosulfuron, methyl naphthalene sulfonate formaldehyde condensate are obtained after grinding and/or high speed shear to the suspending agent of penoxsuam and pyrazosulfuron; Azoles humulone, aromatic solvent 100, ethoxylated castor oil mixing and stirring are obtained to the missible oil of azoles humulone; The azoles humulone missible oil obtaining is joined in the oil-suspending agent of penoxsuam+pyrazosulfuron, obtain 10% penoxsuam+5% azoles humulone+20% pyrazosulfuron suspension emulsion.
Embodiment 7 20% penoxsuam+2% azoles humulone+0.1% pyrazosulfuron wetting powders
Penoxsuam 20%
Azoles humulone 2%
Pyrazosulfuron 0.1%
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 5% penoxsuam+0.1% azoles humulone+20% pyrazosulfuron water dispersible granules
Penoxsuam 5%
Azoles humulone 0.1%
Pyrazosulfuron 20%
MODIFIED LIGNOSULPHONATE 5%
Lauryl sodium sulfate 5%
Urea 5%
Kaolin complements to 100%
Penoxsuam, azoles humulone active component, dispersant, wetting agent, disintegrant and filler are mixed in the ratio of formula, become wetting powder through air-flow crushing; Add again pyrazosulfuron to mix; Add again a certain amount of water to mix extruding and make material.After drying screening, obtain 5% penoxsuam+0.1% azoles humulone+20% pyrazosulfuron water dispersible granule.
Embodiment 9 0.1% penoxsuam+2% azoles humulone+2% pyrazosulfuron aqueous emulsions
Oil phase:
Penoxsuam 0.1%
Azoles humulone 2%
Methyl oleate 10%
Ethoxylated castor oil 5%
Water:
Pyrazosulfuron 2%
The sodium salt 1% of the naphthalene sulfonic acids-formaldehyde condensation products of sulfonation
Water complements to 100%
Azoles humulone and pyrazosulfuron are dissolved in methyl oleate, add ethoxylated castor oil to obtain oil phase; , water, mix and obtain water the sodium salt of the naphthalene sulfonic acids-formaldehyde condensation products of penoxsuam and sulfonation according to formula; Under agitation add water to obtain aqueous emulsion oil phase.
Embodiment 10 15% penoxsuam+5% azoles humulone+5% pyrazosulfuron wetting powders
Penoxsuam 15%
Azoles humulone 5%
Pyrazosulfuron 5%
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 0.1% penoxsuam+0.1% azoles humulone+0.1% pyrazosulfuron coated granules
Penoxsuam 0.1%
Azoles humulone 0.1%
Pyrazosulfuron 0.1%
Polyethylene glycol 3%
The silicic acid 1% of high degree of dispersion
Calcium carbonate complements to 100%
In blender, levigate active component is evenly applied on the carrier being soaked by polyethylene glycol.Can obtain in this way dustless coated granule.
Embodiment 12 20% penoxsuam+20% azoles humulone+10% pyrazosulfuron wetting powders
Penoxsuam 20%
Azoles humulone 20%
Pyrazosulfuron 10%
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 10% penoxsuam+1% azoles humulone+10% pyrazosulfurons are extruded granule
Penoxsuam 10%
Azoles humulone 1%
Pyrazosulfuron 10%
Sodium lignin sulfonate 4%
Carboxymethyl cellulose 2%
Kaolin complements to 100%
Active component is mixed with auxiliary agent and grind, mixture water-wet.This mixture is extruded, then dry in air stream.
Embodiment 14 1% penoxsuam+20% azoles humulone+1% pyrazosulfuron aqueous emulsions
Penoxsuam 1%
Azoles humulone 20%
Pyrazosulfuron 1%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Methyl oleate 5%
Water complements to 100%
Pyrazosulfuron, azoles humulone are dissolved in methyl oleate, add ethoxylated castor oil to obtain oil phase; , water, mix and obtain water the sodium salt of the naphthalene sulfonic acids-formaldehyde condensation products of penoxsuam and sulfonation according to formula; Under agitation add water to obtain aqueous emulsion oil phase.
Embodiment 15 3% penoxsuam+10% azoles humulone+5% pyrazosulfuron ZC
Atlox 4913 4%
Citric acid 0.05%
Catalyzer 0.1%
Water 13%
Pyrazosulfuron 5%
PAPI 1.35%
Solvesso 200 10%
Atlox4913 16%
Dispersant LFH 0.3%
Defoamer 0.16%
Urea 8.4%
Penoxsuam 3%
Azoles humulone 10%
Water complements to 100%
By PAPI, the oil phase that azoles humulone, Solvesso 100 form adds in the aqueous solution containing Atlox4913, forms emulsion.Then heat and be incubated 50
ounder C, add catalyst reaction 2 hours.After cooling, obtain the microcapsules of azoles humulone.
Atlox 4913, dispersant LFH, defoamer, urea, penoxsuam+pyrazosulfuron and water mix in proportion, and through sand milling, are prepared into suspending agent.
The microcapsules of the azoles humulone obtaining is added in the suspending agent of penoxsuam+pyrazosulfuron, stir and obtain 3% penoxsuam+10% azoles humulone+5% pyrazosulfuron ZC.
Embodiment 16 5% penoxsuam+15% azoles humulone+15% pyrazosulfuron suspended emulsions
Penoxsuam 5%
Azoles humulone 15%
Pyrazosulfuron 15%
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%
Azoles humulone is dissolved in Solvesso 200, adds ethoxylated castor oil, obtain the missible oil of azoles humulone;
By penoxsuam+pyrazosulfuron, fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium, above-mentioned each component mixes in proportion, and through sand milling, is prepared into suspending agent.
Oil phase containing azoles humulone is joined containing in penoxsuam+pyrazosulfuron suspending agent, obtain suspended emulsion.
Embodiment 17 5% penoxsuam+5% azoles humulone+20% pyrazosulfuron missible oil
Penoxsuam 5%
Azoles humulone 5%
Pyrazosulfuron 20%
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 19 30% penoxsuam+30% azoles humulone+40% pyrazosulfurons
Penoxsuam 30%
Azoles humulone 30%
Pyrazosulfuron 40%
Penoxsuam, azoles humulone, pyrazosulfuron are proportionally mixed.
biological test example
In the time that the effect of active compound combinations exceedes the summation of the effect in the time that each reactive compound is used separately, there is synergistic function.The predictive role of the particular combinations 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) calculate as follows: if
A is the activity in the time using consumption for mg/ha or the concentration reactive compound A that is mppm;
B is the activity in the time using consumption for ng/ha or the concentration reactive compound B that is nppm, is expressed as the percentage that accounts for untreated control;
C is the activity in the time using consumption for hg/ha or the concentration reactive compound C that is hppm, is expressed as the percentage that accounts for untreated control;
E is be m when using consumption, n, and h g/ha or concentration are m, n, the reactive compound A of hppm, and expection activity when C,
E=A×B×C/ 100(N-1)
N is 3;
If the activity of actual observation (O) is greater than expection active (E), so said composition super add and, there is synergistic effect.
Invention main points of the present invention provide several preferably embodiments below in order better to explain.
Inventor is by a large amount of screening tests, the different proportionings of penoxsuam, azoles humulone and pyrazosulfuron test and effectiveness analysis have been carried out a large amount of, find in certain ratio range, the Herbicidal combinations obtaining has gain effect, and be not only the simple addition of three kinds of medicaments, be specifically illustrated with following biologicall test example.
Test: to the control test of paddy rice, wheat, corn weeds in field
Test method:
Paddy rice, wheat, between corn field, the main weeds that occur have: clearvers, white dead nettle, Veronica, piemarker, Armstrong, lamb's-quarters, red heart lamb's-quarters, blank pipe is led a cow, weasel hemp nettle, pale persicaria, willow leaf thorn knotweed, volume stem knotweed, Amaranthus retroflexus, acalypha copperleaf, precious leaf mustard, corn sow thistle, white dead nettle, fruitlet flax, summer cypress, black nightshade, sinapsis alba, barnyard grass, rice Li Shi standing grain, needle spikesedge herb, Herba Cyperi Glomerati, difformed galingale herb, Monochoria vaginalis, Monochoria korsakowii, rhizoma alismatis, short arrowhead, pondweed, firefly Lin, duckweed, bur beggar-ticks, floating life water starwort, not grass, take turns hot-tempered, little najas marina, three calyx waterworts, horsefly eye, sweet wine intestines, mexicana, Chinese celery etc.
In test, we just select several more difficult weeds that remove as subjects below.
Medicament adopts now with the current mode, and we test with the formula of embodiment the inside.The cultivation of target weeds adopts potted plant cultivation, uses 10*10cm plastic basin, will not use the soil of weed killer herbicide as culture soil.After the seed of the clearvers gathering upper one year, summer cypress, black nightshade, sinapsis alba, barnyard grass, rice Li Shi standing grain, needle spikesedge herb, Herba Cyperi Glomerati, difformed galingale herb, Monochoria vaginalis is soaked, be evenly sprinkling upon soil surface, wait it to grow 3～5 leaves.Then spray respectively penoxsuam, azoles humulone, pyrazosulfuron, according to ternary built medicament of the present invention, then carries out observation analysis.
Results and analysis:
After spray medicine, after 3 weeks, the control of black nightshade, barnyard grass, rice Li Shi standing grain, Monochoria vaginalis, clearvers grass, moleplant seed, pondweed is observed.
To the control of barnyard grass
To the control of rice Li Shi standing grain
To the control of clearvers grass
To the control of Monochoria vaginalis
To the control of moleplant seed
To the control of pondweed
By finding out in above-mentioned table, novel built Herbicidal combinations provided by the invention has obvious gain effect with respect to the independent use of three kinds of chemical substances.In addition, from table, also can significantly find out, the herbicide spectrum that the herbicide spectrum of the medicament that the present invention configures is used separately compared with three kinds of chemical substances has obvious reinforcement.
Claims (10)
1. a composite Herbicidal combinations, is characterized in that: comprise
The first active component: penoxsuam,
The second active component: azoles humulone,
The 3rd active component: pyrazosulfuron,
Above-mentioned three kinds of active components ratio range is by weight percentage 1:1:1.
2. composite Herbicidal combinations according to claim 1, is characterized in that: described composite Herbicidal combinations can be mixed with the upper any formulation allowing of agricultural.
3. composite Herbicidal combinations according to claim 1, is characterized in that: the formulation of described composite Herbicidal combinations is liquor, wetting powder, missible oil, suspending agent, oil-suspending agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, ultra low volume liquids.
4. a composite Herbicidal combinations, is characterized in that: the reactive compound combination that comprises the cooperative effective quantity in claim 1 mixes with at least one preparation technique usual auxiliaries.
5. a method for the undesirable plant of collaborative control, is characterized in that: comprise the composite Herbicidal combinations of claim 1 is applied on the growth place or leaf or stem of undesirable plant.
6. method according to claim 5, is characterized in that: described undesirable plant is grassy weed, broad leaved weed and sedge weed.
7. method according to claim 5, it is characterized in that: described undesirable plant is a thousand pieces of gold, clearvers, white dead nettle, Veronica, piemarker, Armstrong, lamb's-quarters, blank pipe is led a cow, weasel hemp nettle, pale persicaria, willow leaf thorn knotweed, volume stem knotweed, Amaranthus retroflexus, acalypha copperleaf, precious leaf mustard, corn sow thistle, fruitlet flax, summer cypress, black nightshade, sinapsis alba, barnyard grass, rice Li Shi standing grain, needle spikesedge herb, Herba Cyperi Glomerati, difformed galingale herb, Monochoria vaginalis, Monochoria korsakowii, rhizoma alismatis, short arrowhead, pondweed, firefly Lin, duckweed, bur beggar-ticks, floating life water starwort, not grass, stonewort, little najas marina, three calyx waterworts, horsefly eye, sweet wine intestines, mexicana, Chinese celery.
8. method according to claim 5, is characterized in that: comprise the composite Herbicidal combinations of claim 1 is used under the seed of useful crop plant, useful crop or other breeding part existence of useful crop.
9. method according to claim 8, is characterized in that: wherein said useful crop is cereal.
10. method according to claim 8, is characterized in that: wherein said useful crop is paddy rice, corn, wheat.
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